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MX420 Navigation System - Polaris Electronics A/S

1. HATS Static Configuration Ext GPS Ports occas SERE RES Ee kes z H ECDIS Msg Configr IEC H PILOT Msg Configr IEC H Long Range Reply MANUAL R Levels p FEP Set AIS Passllord RIES Static li IS Static Configurations Default Hiah HO Chnl A Ta Modes silent A Chal A Chhls 2027 H Chal E Ta Modes Silent A Chal E Chhls 2088 a ieee RE ES EE Ie Primary f External GPS Secondary Metal Ant A HATS Static Configuration AIS Ext GPS Ant OME 7 AIS TIE Ext GPS Ant 7 Alarms Ext GPS Ant 3 Anchor Ext GPS Ant 7 COG SOG a AIS GPS Ant He a AIS GPS Ant E AIS GPS Ant C AIS GPS Ant Dz i DED Set AIS Passllord Note A total of 37 lines are available under the AIS Static menu If only 10 lines are listed the Mx420 may not be communicating with the transponder Verify that the AlS Connected value is set to YES 144 Version 2 0 Automatic Identification System Operator s Manual Display Field Descriptions AIS ECDIS PILOT Long Range Ext GPS Connected Use the Change softkey to select Yes or No Yes means that the selected unit is connected to the MX420 ECDIS PILOT Long Range Ext GP
2. Change 1EH hekel Sore oe De Ed DEE 4 Dutput rate Zec 2 ALA AMER version Zul Decimals in position ary BWR loads the port by J Ha Total load is Decimals In Lat Lon The software allows you to select from 2 to Version 2 0 5 decimal places in records containing position or waypoint information It has been our experience that other manufactur ers sometimes hard code these data records to 2 decimal places approximately 18 meters for each change in the hundreths place value The receiver provides you the flexibility to match the expected input on these devices even though it is capable of outputting to the hundred thousandths place approximately 18 millimeters for each change in this place value While the TEZ Operator s Manual Configuration receiver can output to this level of accuracy don t forget that the receiver is a 80 cm to 1 5 m accurate DGPS receiver at best with DGPS corrections at once per second intervals Decimals In BRG or HDG The receiver allows you to select from 0 to decimal places in records containing bearing information IGA Checksum Output rate 360 d i La NMEA version Ful Decimals in heading true field HSC loads the port by i Hda Total
3. ind WPT amp RTE In Version 2 0 125 Operator s Manual Configuration A sample of the Full printer output format 1s given below Leica MX420 8 Navigator Zoe EG 12 Apr 2002 POS Mode DGPS D Datum Waod4 POSE SN 2E AE DODE var Altitude OM COG 546 T Soe LIAN OE From WET To WPT AV Mode RL STE INA SKEL O41 Die LOL NT Sale Leed SBIRADOF Tat TLF IO DGPS Age 26 Secon JES AO VE b MX421 V4 84 Route and DGPS information is printed if these fuctions are active 7 Operation J Organizer 1Positi Frintout 2 i Security J Serial I 1 Time F J Wing PRINT OUTPUT Zf ter Configuration Sending A Print in an _ Format ol ME Ei Change Here 1s a sample of the Brief format without an active route Leica MX420 8 Navigator AESA UTC 12 Apr 2002 POS Mode DGPS 3D Datum Woa4 POS N od N ie AE T SDEL O27 Ka 126 Version 2 0 Configuration Operator s Manual Here is a sample of the Brief format with an active route or MOB condition Leica MX420 8 Navigator m b EG 11 Aug 1997 POS Mode DGPS 3D Volum PEN S We VIS BOELA S IT Ka SET Zool DiE ZA NE SEE SE ee m Wek Fanta i VA EWE oS Sending Causes the printer output to be
4. indicates name is not available Call Sign Enter the 7 character vessel s call sign administrator password re quired The symbol indicates call sign is not available IMO Number a 9 digit IMO identification number when available administrator password required Version 2 0 145 Operator s Manual Automatic ldentifaction System Default Power Use the Change SOftkey to select between High or Low power ad ministrator password required For SAAB transponder only Chnl A Chnl B TX Mode Use the Change softkey to select between Transmit or Silent administrator password required This selection is available under SAAB transponder type selection only For ATLAS transponder selection only ChanlA setting is available Chnl A Chnl B Chnl Enter the operating channel number for channels A and B administrator password required Refer to table A 1 for valid VHF channels used in AIS This field is available only when the SAAB transponder type is selected Table A 1 AIS VHF Channels 2001 2005 2007 2018 2078 2060 2066 2078 2088 7201 2307 2218 2228 _ 1201 2005 N 1218 1228 N __12126___ _ N 421 and External GPS Use the Change softkey to select between Primary and Secondary The MX421 is defaulted as the primary source of GPS data while the Ext GPS is set as the secondary MX421 Ant A B C D These are four dimensions from the bow stern port beam and starboard bea
5. Enter Range and Bearing relative Eo waypoint number 105 Range Bearing allows you to define new waypoint coordinates from an existing waypoint in the Waypoint Bank When you use this feature make sure you align the cursor next to the from waypoint number before you press the Make New WPT softkey Once you have entered the range and bearing the CDU calcu lates the coordinates You can then enter a text description or modify the waypoint number as described in step 6 below Go to step 6 Ab Edit This WPT Select Accept to use the WGS 84 datum or press Change to choose from the more than 110 available Datums High light the desired datum and press the Select softkey Refer to Ap pendix A Datum List for a complete list of datums and their WGS Version 2 0 eal O erator s Manual 84 offset 456 9260 Escape Accept Change LJAVF IHTE VITI LEVU 1916 WAKE ENIWETOK 1960 F ZAHDRIJ WGS 84 85 84 OFFSET GS 72 EUROPEAM 1250 ered 52001 FI Juri E 13 07 UTC 5 Enter the appropriate coordinates using the cursor key and nu meric keypad Move the cursor down and modify the waypoint number if you wish Otherwise the CDU assigns the next available number begin ning at 1 WFT Point of Escape departure EH LIRTFOIHTSE ntered E Jun 8 2001 Entered Jun amp 2001 Done
6. HHER1 out Pulses per Hmz 200 Pulses per Hmz som Change Activate the output by selecting Yes to Emulation Enable select the appropriate hardware port and set the pulse rate based on the device that you are connecting to MX480 MX480 PC Chart Interface Control Version 2 0 The MX420 CDU can be interfaced with the Leica MX480 a PC based electronic charting software When the MX480 mode is enabled the charting program assumes the following functions of the receiver e Active Route Creation e Waypoint Library e Tides Operator s Manual Configuration The COMI port of the PC must be connected to the RS 232 port of NMEA 2 of the CDU refer to the Installation amp Service Manual Initial Pos Language d Lighting j Log M450 uses PORT 2 Laa Pulsas i Havigation i LH L EL H Note The meassage Function is not active will be shown when the WPT or TIDE keys are pressed when the MX480 chart mode is activated Navigation Navigation Method amp Waypoint Pass Criterion Control This screen sets the navigation mode to Rhumb Line or Great Circle Cross track Error limits and alarms Waypoint Pass Criterion and Waypoint Approach alarms These settings have a direct effect on your route calculation and how data is displayed in the NAV and PLOT screens HHL IGAHTI H 1 HavigatieFE Fhurb Li
7. menu to the appropriate NMEA Out port number and change Port Active to Yes In doing so the receiver will display all available NMEA 0183 output sentences 1 3 4 g g HMEA out 106 MX 420 2 NMEA Out Menu MX420 8 amp AIS NMEA Out Menu Scroll down the list using the cursor key to the desired NMEA 0183 sen tence Use the Change softkey or right arrow key on the cursor to select On Config i GA Checksum Output Hote sec J La HMEA version 2 1 Decimals in position z q Decimals in BRG trues field HJ BUR loads the port bu i Hz RE laad iss GRS GPS Range Residu Eed Press the Details softkey to view the characteristics for the NMEA record you select If you notice that the top of some text is cut off by the Capacity Needed window this indicates that there are more selec tions available than can fit in the window Use the cursor key to scroll down the list Each record is controlled separately Generally speaking the following controls are available to you for most or all of the records Checksum On or Off NMEA 0183 version 2 1 requires that the checksum is present Versions 1 5 and 2 0 do not require the 116 Version 2 0 Configuration Operator s Manual checksum The receiver provides you the option of turning the checksum on or off to provide flexibility in interfacing It has been our experience that some of the equipment you will interface
8. User GRID User defined grids is now a standard feature of the MX420 You can set the receiver to provide Easting and Northing position data based on a local grid The grid function is set up in the CFG1 Position screen 92 Version 2 0 Route Operator s Manual POS2 Position Altitude Magnetic Variation amp Time This screen is divided into three windows The upper left window provides your position coordinates the antenna altitude above Mean Sea Level MSL altitude mode 2D or 3D the magnetic variation Variation for your present position and the present datum in use for calculating your position bus en of 12 COG 67 BEE Eed SOE Wian 16 24 38 The lower left window displays your course and speed over ground If the degree symbol has a small c under it this indicates that the mag netic variation and compass deviation table are being calculated and displayed Refer to the CFG1 Compass section for more details on how to set this up The right hand window indicates today s date and time This setup is in the CFG1 Time menu It can be set for UTC time local 12 hour time or local 24 hour time There 1s an added summer winter feature to help you remember which direction to set the clock for day light savings in the summer There are no editing capabilities in this screen POS3 Position amp Log Version 2 0 This screen is divided into three windows The upper left window
9. 3 ER out d Preceding zeroes Ha Ong 4 atl on Retain external alarm OFF Organizer Engineering display Engineering display 4 Position H Demonstration modes Demonstration mode Printout 2 Follow Active s Route f E g Demonstration SOET P EKnE Time j d Mpt input serial 1 i Change In the CFG Operation screen activate the Demonstration Mode by selecting Yes Follow Active Route causes the CDU to use the route loaded in RTE1 screen Rhumb Line causes the CDU to follow the bearing you input in this screen under Demonstration COG Demonstration SOG causes the CDU to simulate a speed of up to 99 knots Slower speeds of 5 to 25 knots provide the best demonstra tion results Demonstration COG causes the CDU to simulate a course over ground of up to 359 9 degrees when Follow is set to Rhumb Line To setup your course load the desired waypoints into RTE Notice that the CDU loads your point of departure as N 00 W 000 Version 1 5 1 95 rator s Manual Demonstration Mode Active Route POSITI OH ETH i4 Jan 1997 05 lz Datum WW55 84 N 2040 0560 W 080 00 0729 Before you adjust your position set your WPT Pass Criterion to Dis tance in the CFG1 Navigation screen To adjust your position pick a point near
10. Entered n EJun 82001 Unlock 3 this WPT H S UPT ET 5255 8940 6 Press the Unlock all WPT softkey 7 Press the E key Removing Waypoints 56 Unlocked waypoints can be overwritten by waypoints received on the NMEA port containing the same waypoint number by the Mark func tion or the MOB function The Mark and MOB functions start storing waypoints beginning at waypoint 1999 and work their way backwards When the Waypoint Bank is full this process starts again at 1999 and begins overwriting each unlocked waypoint in sequence beginning at 1999 Waypoints that are contained within a stored route can not be removed until they are removed from the stored route in the RTE2 screen If you try to remove a waypoint stored in a route a warning will be displayed indicating the first route a waypoint 1s stored in If the waypoint you want remove 1s locked refer to the Waypoint Lock Unlock section for a step by step procedure and then return to this section To remove a waypoint 1 Select the WPT key until the WPT1 screen is displayed 2 Move the cursor to the desired waypoint Version 2 0 Wavpoint Operator s Manual 3 Press the E key 4 Press the Remove softkey Jun 8 2001 13 41 UTC There are three methods to remove a waypoint Remove this WPT Remove Unused and Remove Range 5 If you select Remove this WPT the waypoint will immediately be removed f
11. 124 Version 2 0 Configuration Operator s Manual tion accuracy 1s becoming bad due to poor satellite geometry rela tive to your position and or the number of satellites currently un der track You may want to set the alarm to Yes 1f position accuracy is critical to you Otherwise this alarm is normally set to No HDOP Alarm Limit Sets the HDOP value which will cause the alarm to sound The default value is 4 The valid range is from 1 0 to 9 9 The higher your HDOP value the more error you will have in your position fix Refer to the GPSI Current Satellite Status section of this manual for more information about the HDOP value Alarm If No Update This setting causes an alarm when you stop calculating a position fix for a few seconds when set to Yes default A setting of No disables the alarm when position fix can not be obtained Printout 2 Printer Output Control This menu item controls the printer output sometimes required for commercial shipping The interface is accomplished on NMEA Out 2 port It can be configured for either RS 232 pins 4 and 2 of the Multiport connector or RS 422 pins 25 and 22 of the Multiport connector The printer output is simple ASCII text designed to operate on any serial line printer including narrow column printers The receiver has two print formats namely Full or Brief Operation j Organizer iPasition E J tinto t z LEFIHLOUL 2 Security i Serial 1 0 Time
12. Dat The Man Over Board function 1 PHG 15 now active To cancel Press Cancel MOB Remote MOB 82 The MX420 8 is capable of performing the MOB function from a re mote contact closure input via Cable B MOB Event wire shared with the Mark input If the contact closure 1s made for less than 2 seconds the input 1s registered as a Mark Position If the contact closure 1s made for more than 2 seconds the input is registered as a MOB Posi tion Refer to the Installation amp Service manual for wiring interface instructions Version 2 0 Tide Operator s Manual Tide There are two TIDE screens The TIDE1 screen displays graphic and digital information about the tide conditions at your present position This 1s based on tide table constants that you must enter in the TIDE2 screen then access through the TIDE screen You can store up to 100 tide tables in TIDE2 The following CFG1 menus directly impact the TIDE functions gt Depth sets the measurement units in meters feet or fathoms Note The Tide function is not active in the MX420 AIS Basic model without the MX421 antenna TIDE1 Current Tide Display This screen provides the current tide conditions for the tide constants indicated in the upper left hand corner The number in the upper left corner of the window is the identification number of this table in the British Admiralty Tide Table and in the TIDE2 screen The name to the right of this numbe
13. a 4 56 9260 55627 18 S 03 9058 Range amp Bearing Lat Lon This feature allows you to create a range of waypoints within a particular area For example you could put all of the waypoints for fishing spots near Catalina Island in the range of 500 to 530 all the waypoints for Cabo San Lucas in the range of 575 to 600 etc Move the cursor down and enter the symbol and name informa tion optional Use the techniques described in the Keypad amp Display Description section at the front of this manual 1118 16 1172 Test eto see FLAW EOS Insert LAVF IHTS sorted by number N Entered Jun 8 2001 LEH 313 42 5818 33747081 EW11S 16 1172 Escape J2 Version 2 0 Waypoint Operator s Manual The following international characters are supported by cycling through the standard letter function key ABC C DEF E E GHI MNO N STU U U Press the CFG key when in the edit mode to cycle through these additional characters 2 About one second after you stop scrolling through the alpha char acters the cursor will automatically advance to the next space 7 Press the Done softkey 8 When you are finished press the Lock this WPT softkey to avoid accidentally erasing the waypoint in the future Note Locked waypoints can not be overwritten by waypoints downloaded from the NMEA port or s
14. nes ese cate S GE NE EE Ee STA 92 POS2 Position Altitude Magnetic Variation amp Time 93 POSS PosIlIOME LOG u s 93 Eer N MA OE EA EE Ed 95 GPS1 GPS Stals SOEN GEES a ik 95 GPS6 DGPS STATUS 2c heeded 96 GEST DEPSMESSAAES MEDE ee ee ge acd hestsl asc 98 iv Version 2 0 Table of Contents Operator s Manual 60 9 MON aba ka 99 AIS COMO ME Ed ee ee R 99 AIS SUG SE N ee Ie 99 AlS V OV AOC uses eb EE A EE ee Ge ee eee hee 99 AS EE dase ee Seca nay adda N GE EE ie 99 Anchor Anchor Watch Alarm ee ee ee ek ee Ee ee ee 100 COG SOG Course amp Speed Filter Settings amp 5 100 Compass External Compass Input amp Magnetic Variation Table 101 Datum Current Position Calculation aaiaiinansansasnnnnasannnnnnaa 102 Depth NMEA Input Control aaiaaanannaannnnnnnnnnnnnnnanannnanannnannaa 103 DGPS DGPS Configuration ee Ee ek Ee ee ek ee eke 104 DR Dead Reckoning Re ee en oe ancien ab 106 Dual Contr Dual Station Control Ee ee ek ee 106 GPS Elevation Mask Control iese sees ee ee see ee ee Ee ee ee 107 Init Pos Initial Position ENUY eeror ee see se ee ea 107 Language Language Configuration ee ee ee ek ee 108 Lighting Display Keyboard Light amp Contrast Control 109 Log Speed Log Input Pulse or NMEA 0183 ee ee 109 Log Pulses GPS SOG Log Pulse Outp
15. 100 baud ID 523 REF1 REF2 POLAND DZIWNOW S4 01 N 14 44 E 283 5 kHz 100 baud ID 481 REFI REP2 JAROSLAWIEC 5433 N 14 44 E 295 0 kHz Range 49 n m ROZEWIE 54 49 N 16 33 E 301 0 kHz 100 baud ID 482 REF1 REF2 PORTUGAL Planned CARVOE IRO 39 22 N 09 24 W 311 5 kHz Range 200 n m HORTA 38 32 N 28 37 W 308 0 kHz Range 300 n m LECA 41 12 N 08 42 W 290 0 kHz Range 100 n m PORTO SANTO 3304 N 16 2 1 W 287 5 kHz Range 200 n m SAN MIGUEL 37 44 N 25 39 W 312 5 kHz Range 200 n m SAN VICENTE 37 02 N 09 00 W 305 5 kHz Range 200 n m RUSSIA ASTRAHANSKY 54 41 N 4T3F E 283 5 kHz Range 110 n m BALTIYSK 54738 N 19954 E 286 5 kHz 100 baud DGEDGINSKY Operator s Manual Beacon List 65 12 N 36 49 E 283 5 kHz Range 170 n m GORKOVSKY 59 50 N 30 10 E 288 5 kHz Range 54 n m KANINSKY 68 39 N 43 1V E 284 5 kHz Range 130 n m KODOSHSKTY 1 44 06 N 39 02 E 289 5 kHz Range 110 n m KOPDOSHSK LY 2 44906 N 39902 E 308 5 kHz Range 110 n m NOVOROSSTYKAY 1 44 36 N 3 T58 E 292 0 kHz Range 110 n m NOVOROSSIYKAY 2 44 36 N 3 T58 E 315 0 kHz Range 110 n m SHEPELEVOKY L 59959 N 29908 E 298 5 kHz Range 110 n m SHEPELEVSKY 2 59959 N 29908 E 311 0 kHz Range 110 n m TAGANROGSKY 4712 N 38 57 E 286 0 kHz Range 110 n m TE
16. 5 Go into the RTE1 screen Press Ein the RTE1 screen Select the Route Control softkey Press the up arrow softkey fourth from the left once Press the E key again Refer to the Route section of this manual for more details about skip ping and unskipping waypoints Aal Operator s Manual Navigate NAV2 Basic Steering Information ZZ Navigate screen 2 provides the bearing BRG and range RNG to the waypoint you are approaching in large easily viewed characters Be low these you will see your actual Course Over Ground COG and Speed Over Ground SOG The bottom portion of the screen provides cross track error information Again if you don t see the information described here on your screen you will need to create a route in RTE1 first refer to the Route section of the manual HAV 2 RL 172 040 12 6 od AQO00Hr SOM Mr In the bottom half of the window the vertical line in the center repre sents your course line The checkered area on the left and right side of this area represents the out of bounds or beyond the cross track error limit area Whenever the boat is left or right of the course line the corresponding checkered area changes to solid black indicating the side of the course line that you are on The number next to the course line is your calculated cross track error The numbers in the lower left and right hand corners indicate the cross track limit you set in the CF
17. KENAI AK 60 40 N 151 21 W 310 KHz 100 baud ID 896 REF 1 292 REF 2 293 Message TY PE 9 KODIAK AK 57 37 N 152 12 W 313 KHz 100 baud ID 897 REF 1 294 ANNETTE ISLAND AK 55 04 N 131 37 W 323 KHz 100 baud ID 889 REF 1 278 REF 2 279 Message TY PE 9 COLD BAY AK 55 11 N 162 42 W 289 KHz 100 baud ID 838 REF 1 296 REF 2 297 Message TY PE 9 GUSTAVUS AK 58 25 N 135 42 W 288 KHz 100 baud ID 892 REF 1 284 Message TY PE 9 MILLER S FERRY AL 32 05 N 087 24 W 320 KHz 200 baud ID 865 REF 1 None REF2 None Message TY PE 9 MOBILE POINT AL 30 14 N 088 01 W 300 KHz 100 baud ID 813 REF 1 026 REF 2 027 Message TY PE 9 CAPE MENDOCINO CA 40 26 N 124 24 W 292 KHz 100 baud ID 885 REF 1 270 REF 2 271 Message TYPE 9 PIGEON POINT CA 37711 N 1227723 W 287 KHz 100 baud ID 883 REF 1 266 REF 2 267 Message TY PE 9 POINT ARGUELLO CA 34 34 N 120 39 W 321 KHz 100 baud ID 882 REF 1 264 REF2 265 Message TY PE 9 POINT BLUNT CA 37 51 122 25 W 310 KHz 200 baud ID 884 REF 1 268 REF2 269 Message TY PE 9 POINT LOMA CA 32 40 N 1 17 15 W 302 KHz 100 baud ID 881 REF 1 262 REF2 263 Message TY PE 9 CAPE HENLOPEN DE 38 47 N 075 05 W 298 KHz 200 baud Version 2 0 Engineering Mode Operator s Manual ID 05 REF 1 0
18. Plot Operator s Manua Wed hell 11 Vie WPT 151 wP2 IH 5258 6210 AE 4 56 9070 Datum Ugg 172 126Hu l H is DK nou P 3 Display options plotter Vispla g options Show boat Show all waypoints Show active route Velocd Show recorded track Show aff track limit Show lat lon grid Automatic zoom Press the Display Options softkey The following choices are available gt Show Boat Yes is the default condition which places the boat Version 2 0 1con in the middle of the screen No places the boat in a Compass Rose in the upper right corner of the screen see the diagram be low where your direction 1s indicated by the boat in the Compass Rose The boat s position is then indicated by an X in the center of the screen Show All Waypoints Yes 1s the default condition which displays all waypoints where the first character of the description is a sym bol in its proper location relative to the boat s position No causes none of the waypoints to be displayed Show Active Route Yes 1s the default condition which causes the active route course lines and its waypoint symbols to be dis played No causes the course lines not to be displayed Note that these lines can only be displayed in Rhumb Line navigation mode see CFG1 Navigation gt Show Recorded Track Yes is the default condition which causes the course you have already
19. The NMEA 0183 standard allows you to output the active 118 Version 2 0 Configuration Operator s Manual j Language i Lighting route with an ID sentence that begins either as GPROO or GPROI Some of the equipment you might interface may require this sentence to outputs ROO and other equipment may require this data record as RO1 The receiver allows you to configure the ID either way R00 is the default f W H Configure Enn sentence A Checksum 4 Frin loads the port by i HJ Total oaa 15 WPL Waypoint Location Data Record The receiver outputs all of the waypoints in the active route If you want to output the complete Waypoint Bank simply press Initial Pos Sh the Send All softkey from the NMEA WPL screen s Update Warning Flag OFT Set and Drift Off Waterspeed and Head OFF s Speed up the Wind F COG and SOG OFF WFT Closure Velocity Off thlaupoint Location ERE s Waypoint Event Mack hid WPL S Checksum Dutput rata seco 1 ALA HHEH version 2 1 Include Waypoint names MY WPL loads the port bur iH Total load Version 2 0 The WPL record as defined by the NMEA 0183 standard technically does not allow the output of waypoint descrip tions when interfacing to other devices such as Chart Plotters However Leica realizes that with 2000 waypoints you have spent a lot of time preparing
20. 336 REF2 337 RIGOLET 54915 N 58 30 W TBA kHz 100 baud ID 947 REF1 348 REF2 349 CAP DES ROSIERS 48951 N 64912 W TBA kHz 100 baud ID 924 REF 1 322 REF2 323 LA ROMAINE 50 12 N 60 41 W TBA kHz 100 baud ID 923 REF1 324 REF2 325 DEVIL S HEAD 49 07 N 58 24 W TBA kHz 100 baud ID 943 REF1 344 REF2 345 CAPE BONAVISTA 48 42 N 53 05 W TBA kHz 100 baud ID 943 REF1 346 REF2 347 PARTRIDGE ISLAND 45 14 N 66 03 W 311 0kHz 100 baud ID 939 dd Operator s Manual Beacon List REF1 326 REEF2 327 WESTERN HEAD 43 59 N 64 39 W 296 0 kHz 100 baud ID 935 REF1 334 REF2 335 CAPE RACE 46 39 N 53704 W 288 0 kHz 100 baud ID 940 1 338 REF2 339 PORT AUX BASOUES NFLD 4734 N 59 09 W 290 0 kHz 100 baud ID 941 REF1 340 REF2 341 PISTOLET BAY 5129 N 55 48 W 317 0 kHz 100 baud 1D 944 REF2 WEST COAST TRIPLE ISLAND 54917 N 130952 W 308 0 kHz 100 baud ID REP2 POINT ATKINSON 49 19 N 123915 W 320 0 kHz 100 baud ID 902 REF1 302 REF2 303 RACE ROCKS 48 18 N 123 32 W 309 9 kHz 100 baud ID REFI REF2 Planned ALERT BAY 50 35 125 55 309 9 kHz 100 baud ID 909 REF1 300 301 TOFINO 48 18 N 123 32 W 309 9 kHz 200 baud ID 908 REF 1 304 REF2 305 SANDSPIT 53
21. 36 00 N 05 39 W 302 5 kHz Range 97 n m SWEDEN KAPELLSKAR 59 43 N 19 04 E 307 5 kHz Range 130 n m OSKAR 60 32 N 18 23 E 291 5 kHz baud ID 463 Version 2 0 HOBURGE N 56 55 18 09 E 302 0 kHz 100 baud ID 465 KULLEN 5618 N 12 27 E 293 0 kHz 100 baud ID 466 BJUR KLUBB 64 29 N 21 34 E 311 5kHz 100 baud Range 130 n m HALLO 58 20 N 11 13 E 297 0kHz 200 baud ID 467 UNITED KINGDOM ENCRYPTED SIGNALS ST CATHERINE S POINT 50 34 N 01918 W 293 5 kHz 100 baud ID 440 REF1 680 REF2 LIZARD 49957 N 05 12 W 284 0 kHz 100 baud ID 441 REF1 681 REF2 POINT LYNAS 53 25 N 04 17 W 304 5 kHz 100 baud ID 442 REF1 682 REF2 RHINNS OF ISLAY 55 40 N 06 30 W 293 5 kHz 100 baud ID 443 REF1 683 REF2 BUTT OF LEWIS 58931 N 06 16 W 289 5 kHz 100 baud ID 444 REF1 684 SUMBURGH HEAD 59952 N 01916 W 304 5 kHz 100 baud ID 445 685 REF2 GIRDLE NESS 57908 N 02 03 W 311 5 kHz 100 baud ID 446 REF1 686 REF2 FLAMBOROUGH HEAD 54 07 N 00 04 W 302 5 kHz EA Operator s Manual Beacon List 100 baud ID 447 REF1 687 REF2 NORTH FORELAND 51 22 N 01 27 E 310 5 kHz 100 baud ID 448 REF1 688 REF2 Planned 16 Sta tions UNITED STATES REF 2 285 Message TY PE 9
22. 4a Use WGS 84 Datum 4b Use Datum Other 4c Create a new WPT Based Select Lat Lon W84 Than WGS 84 on a Range amp Bearing Select Lat Lon Datum from an existing WPT Select Range Bearing Select desired datum STD from displayed list Enter desired range Press Select and bearing Press the cursor down arrow 5 Enter Coordinates Press the cursor down arrow 6 Modify WPT Number Optional Press the cursor down arrow 7 Modify WPT Text amp Symbol Optional Press the Done softkey 50 Version 2 0 Wavpoint Operator s Manual Aa Make New WPT Select Lat Lon W84 Lat Lon Datum or Range Bearing 4 dittearent Ways Latitude and Longitude input ir current selected Datum WEE ad dad VITI LEMU 1916 1960 ZAHDEI T Hew at Latitude and Longitude parce and ppg relative to the selected waypoin Escape beeen H Lat Lonl Lat Lon Range j 107 H 1 Wep Datum Bearing eEWPT 107 52 58 021 Lat Lon W84 allows you to enter coordinates in the WGS 84 datum This choice takes you directly into the coordinate input screen Go to step 5 Lat Lon Datum allows you to choose a datum see the list in the screen sample above from the more than 110 available Datums Highlight the desired datum and press the Select softkey Refer to Appendix A Datum List for a complete list of datums and their WGS 84 offset Go to step 5
23. A cold start sets the CDU back to factory default settings Perform this procedure if the CDU becomes non re sponsive fails one of the self tests described above or starts acting very unusually To perform the cold start 1 Turn the CDU off There are three methods you can use A Press the On Off function key and select the Yes softkey this causes a software shut down of the CDU B Press and hold the On Off function key for up to 5 seconds this causes a hardware shut down of the CDU C Turn power off at the circuit breaker panel feed or power supply which feeds the CDU This is preferred method 2 Hold the right most softkey down while applying power to the CDU continue holding the softkey until you hear a normal key click for the softkey 3 Release the softkey 4 Press the POS function key If the position reads N 00 00 0000 W 000 00 0000 then the CDU was properly reset If it does not read this try the procedure again A common source of memory corruption is an aged Lithium memory back up battery This will result in either a slow deterioration of memory retention or it may abruptly dump all its memory 19 Operator s Manual Engineering Mode Leica recommends the battery be changed every 2 to 3 years of opera tion by an authorized technical dealer Marine electronics dealers or radio shops will typically stock the replacement battery Lithium type CR2032 3V GPS GPS CDU Troubleshooting GPS3 Visible Satelli
24. Distance to WPT in the CFG1 Navigation screen and set the WPT Pass Distance 0 00 or set the WPT Pass Criterion to Manual Dual Contrl 3 GFS Initial Pas Lanauage i Lighting Log stance to WPT d Log Pulses WPT Pass Distance 0 10Hm H Approach alarm No Approach distances f NMEA out 1 Autopilot alarm Change t O erator s Manual Man Over Board Grid Search AE JVelocity HAV 2 RL 322 DB9 322 6 By doing this and putting the coordinate you want to maintain in the RTE1 screen you will always get the bearing and distance to the waypoint in the PLOT1 and NAV screens regardless of your angle of approach Note for the plot example above we turned off the cross track error lines the active route and track saving to keep the screen from getting cluttered while drifting If you are attempting to search a given area you can use the PLOT2 screen to define a known coordinate in your search pattern then use both the PLOT1 and PLOT 2 screens to view your progress and help maintain your proper separation You can also use the RTE1 screen s Insert New WPT feature in conjunction with the CFG1 Navigation WPT Pass Criterion Distance to WPT set the WPT Pass Distance to the smallest acceptable value to create the search pattern you want to follow In the RTE1 screen press Insert Ne
25. In this way the pilot can monitor the position and movement of all other vessels in the area independent of the ship s installed navi gation systems Coastal Surveillance In coastal waters shoreside authorities may establish automated AIS stations to monitor the movement of vessels through the area These stations may simply monitor AIS transmissions from passing ships or may actively poll vessels via the AIS channels requesting data such as identification destination ETA type of cargo and other information Coast stations can also use the AIS channels for shore to ship transmissions to send information on tides notices to mariners and local weather forecasts Multiple AIS coast stations and repeaters may be tied together into Wide Area Networks WAN for extended coverage Coastal Surveillance Figure 3 Gi Polling queries KEER vi AIS reports Ship to ship AIS Shore i FER Station AIS shore station queries passing vessels while ships continue exchanging AIS reports automatically 134 Version 2 0 Automatic Identification System Operator s Manual Coastal nations may use AIS to monitor the movement of hazardous cargoes and control commercial fishing operations in their territorial waters AIS data can be logged automatically for playback in investigating an accident oil spill or other event AIS is also a useful tool in search and rescue SAR operations allowing SAR coordinators to monitor the movem
26. Remember that the ETA time is filtered over time so allow a few minutes for the filter to settle when you first get underway or make course and speed changes Erasing an Existing Route To completely erase the active route 1 Select the RTE key until the RTE1 screen is displayed 2 Press the E key 3 Press the Remove softkey 4 Press the Erase Route softkey Active Foute Active Foute 15 Repaining 10 lFT 4 04 Hm Remaining 10 WPTs 4 02 Hm ETH T Jun ZO ETH YJ 41 1 1asdd Version 2 0 Active Route 15 WPTs Remaining 13 WPTs 5 48 Hm ETA 7 Jun 2001 18 10 Da goud really WA d want to clear 5 Press the Yes confirmation softkey The active route is now empty and ready for new input If you want to work in other areas of the CDU first you will need to press the E key to exit the edit mode te Operator s Manual Route Creating a Multi Waypoint Active Route 34 There are four methods to create a multi waypoint route gt Insert By Number allows you to type in or scroll through in numerical order using the cursor key waypoints that you previ ously stored in the Waypoint Bank see WPT later in this manual gt Choose In Bank allows you to sort and scroll through the waypoints stored in the Waypoint Bank WPT by various tech niques symbol date distance from present position numerical order alphabetical order or se
27. Software Version Updated on Software Version Updated on Software Version Updated on Software Version Updated on IVD vArNn Administrator admin Users USCT for SAAB transponder only Note For security reasons cut out this page and store in a safe place after installa tion and setup You need the administrator password to change critical AIS Staticsettings marine MX Marine USA MX Marine Denmark 23868 Hawthorne Blvd Suite 200 H k r12A Torrance CA 90505 DK 2730 Herlev USA Denmark 1 310 791 8213 Telephone 45 44 54 03 00 Telephone 1 310 791 6108 Fax 45 44 54 03 30 Fax Internet www mx marine com BB navigation feica
28. Suite 200 Torrance California 90505 USA 1 310 791 8213 Telephone International 1 310 791 6108 Fax In Europe MX Marine Denmark H k r12A DK 2730 Herlev Denmark 45 44 54 03 00 Telephone 45 44 54 03 30 Fax 45 44 54 03 30 Sales Fax Internet www mx marine com Table of Contents Operator s Manual Table of Contents POOUPGES NAVIG QUOI ss ee GR IE Se Ee DE ie 1 SOCIAL NOOS ie E ie ak EE A 2 GPO Me eb sr a aal tea Ove 2 DEPS ae RS 2 Charts and Navigational Aids aainantaasaansansnnannannnnnnnnannnaanaa 2 PUNCTHONGlDECSCHDUON sss SEER GE ig Seve GE RS EE 3 MX420 Configurations ee ee ER ER EER ER Ee Re eek Ee ek ee ee 3 GPS se EDE ES GE dente 3 MX420 2 DGP S EE SE Ee ee ie EE ie es 3 MAAS GERS MEER Ee tie le eae 3 MX420 6 DGPS ie es alan aha Geen istics 3 MX420 BR te GE GE alk esis 4 MX420 BRIM Dual Control Integrity Monitor a 12 aaa innara 4 MX420 AIS Basic Automatic Identification System Basic 5 MX420 AIS AIS amp Navigation System iss ee ee ee 5 DGPS Beacon SVSlERI MR ee Ge De De GE N ee oe 6 Keypad amp Display DescriptION ymse Ee ke EE Eg dacs aaa a Se De es Ee es ge 7 Differential GPS Traffic Light 8 RedFlashING earo e ER EE OE Ge Se DE 8 FROG Y CHOW SON ES EE EE ee GE De 8 Feed SOM EE EE ES GED r a 8 YollOW G
29. able this LED sequence is provided to quickly identify the DR naviga tion mode A DR indicator is also displayed on all screens in the upper left hand corner of the display Red Solid Tracking one or more satellites no position update This is also normal for the first 2 minutes or so when turning the unit on The very first time you turn the unit on allow the receiver to run for at least 20 10 Version 2 0 Keypad amp Display Description Operator s Manual minutes after changing to Red Solid to collect an almanac from the satellites regardless of whether a position update has been calculated or not This is also a normal indication if the is greater than 10 The HDOP value can be read in the GPS function screens Yellow Solid Green Solid GPS position update has a poor HDOP value You may see this from time to time during normal operation It usually occurs when you are tracking 3 4 or 5 satellites and the satellites have poor geometry relative to your position If you are patient the condition will normally go back to Green Solid when you pick up another satellite or the geom etry of the existing satellites improves The factory default level for this indication 1s with an HDOP of 4 to 10 During this period your positioning information 1s less than optimal and position accuracy may be off by as much as 10 to 30 meters You can press the GPS function key and refer to the GPS section in this manual for guidance i
30. and drop off slowly when running on the boat s batteries This 1s also where you reset the Lithium battery age Press the E key and select the Reset Age softkey after you replace the Lithium battery Refer to the Installation amp Ser vice Manual for instructions on replacing the memory backup battery This battery has a normal life of about 2 years Supply voltage 11 4 Volt ackup Battery as last changed hange again before Version 2 0 Hov 17 1996 How 17 1999 Backup Battery las last changed Change again before How 17 1999 Operator s Manual Auxiliary AUX7 Unit Information This screen indicates the specific CDU model software version num ber the hardware configuration and the printed circuit board PCB serial number of your CDU If you are having problems with your CDU refer to this screen for information to provide to customer ser vice personnel A special softkey sequence displays sub version levels the actual software build date and time and allows access to a selftest sequence This information is useful to the technician and our Field Engineers during troubleshooting To activate the screen press the left most softkey three 3 times Additional information in the Software window will be displayed UHIT IHF ORMATIOH 5 UHIT IHF ORMAT OM LEICA M42072 a LEICA M42072 2001 Leica Inc All rights reserved 2001 Leica Inc All rights reserved Hardware Softwares
31. are reserved for the MX421 GPS and Beacon receiver interface You have no control in these two ports You can not change the baud settings in its original values Serial IU Fort Input Output Baud X Avail Avail 48008 Operation 1 Avail Avail 4800 Organizer H 2 a Avail 421 480010 J M ZI n Hvall Avail Avail Avail Aail Avail MX420 2 Serial VO Menu MX420 8 Serial I O Menu Time Mode and Format Control This menu item sets the method in which time is displayed on the receiver ine Configuration Tine Configurations Operation Time suystem UTCE Operation H Time system i Organizer E 3 Organizer i Position d Position 1Printout 2 Printout 2 Security E HSecurity Serial 1 0 E 8 Serial I 0 Displayed times 19 43 52 EE Oicplaved time 19 43 56 bind t WPTERTE In E UPTERTE In f Change Time System Sets the time to UTC default or Local When Local is selected several parameters associated with local time are displayed Time Format Sets the time to either a 24 Hour default or 12 Hour clock Version 2 0 129 Operator s Manual Configuration cl CFG 1 Jitem i Operation j Organizer i Position I Frintout 2 1 Security j serial 0 Tine
32. function key before you are allowed to change data on the screen You can use the cursor key the big key with the arrows pointing in four directions to move between edit fields or menu choices on most screens when in the edit mode When you are not in the edit mode you can use the cursor to scroll between screens i e NAV1 NAV2 NAV3 or to move up and down on screens like the menu bar in the CFG screen The Softkeys The five softkeys under the display are so named because their pur pose changes from one menu or screen to the next With the exception of a portion of the PLOT screens and the MOB screens all of the screens require that you press the E Edit Mode function key before the softkeys can be accessed Don t forget to press the E function key when you have finished editing a screen The Function Keys The Function Keys are the keys to the right of the display There are 18 function keys in all Eleven of the function keys access various screen and editing displays Three of these keys are used for editing or mov ing within the screens One key 1s used to mark your present position another 1s used strictly for Man Over Board alarms One switches between two display lighting options and finally there 1s the power on off key The ten function keys with alpha abbreviations on them are described in the ensuing chapters The eight function keys with symbols are described below The function keys are also used i
33. lt CR gt lt LF gt The CFG1 NMEA out WPL has a special Send All option Selecting this feature will send all the waypoints in the Waypoint Bank once independent of the WPL sentence setup as ON or OFF This format does not strictly conform to the NMEA 0183 standard and may not work with all equipment It is provided for your use to store data on a PC using normal ASCII text editors WPL can be sent as version 1 5 2 0 or 2 1 2 3 4 5 7 Vl ras YT s rr COCO s LAL n explanation actual use 2 amp 3 Waypoint Latitude North or South N S number of deci mals can be set to 2 3 4 or 5 default 2 4 amp 5 Waypoint longitude East or West E W number of decimals can be set to 2 3 4 or 5 default 2 6 Waypoint identifier 4 place numeric waypoint number fol lowed by 1 space followed by 10 characters for the top line of the description followed by 10 characters for the bottom line of the description When this field is output you may see spaces between the xxx and zzz These are fill characters and are necessary to fulfill the 10 character count to maintain character placement when read back into the CDU 7 Checksum can be set on or off default on Downloading Waypoints to a Personal Computer OZ You can use any terminal or communications program to download or upload waypoints and routes to or from the CDU and a PC Set the PC to 4800 baud 8 bits 1 stop bit no parity n
34. time reference to which all of the stations can synchronize their time slot assign ments in order to avoid overlap This time reference is supplied by the precise timing signal in the GPS satellite message Thus GPS plays a critical role in AIS providing the universal time reference as well as positioning data for each ship Time Slot Assignments 60 Seconds 2250 Slots poo AE Identity Postition i Speed Over Ground 26 67 ms Course Over Ground 1 Slot 256 Bits Heading Rate of Turn Mavigation Status Time Stamp Transponder transmission using time slots Version 2 0 Automatic Identification System Operator s Manual AIS data transmissions utilize a robust 9 6 kbps FM GMSK Gaussian Minimum Shift Keying modulation technique which 1s specified in ITU Recommendation M 1371 1 The International Telecommunications Union ITU has designated two dedicated frequencies for AIS They are 161 975 MHz marine band channel 87B and 162 025 MHz channel 88B In some parts of the world such as the United States where these frequencies may not be available for AIS other chan nels may be designated The ship s AIS station has two independent VHF receivers which are normally tuned to the two AIS frequencies as well as one transmitter which alternates its transmissions back and forth between the two The shipborne system can also be retuned to other frequencies for instance wh
35. 14 N 131 48 W TBA kHz 100 baud ID 906 REF1 305 REF 2 306 CHINA BEI TANG 39 06 N 117 43 E 310 5 kHz 200 baud ID BT REF 1 608 REF2 609 QING HUANG DAO 39955 N 119 377E 287 5 kHz 200 baud ID QH REF1 606 REF2 607 DA SAN SHAN 38 52 N 121 50 E 301 5 kHz 200 baud ID DS REF1 602 REF2 603 WANG JIA MAI DAO 36 04 N 120 26 E 313 5 kHz 200 baud ID MD REF1 614 REF2 615 BAO HU 20 00 N 110 56 E 310 5 kHz 200 baud ID BH REF1 652 REF2 653 SHANGHAT XX KX N xx xx E XXX X kHz 100 baud Versio 1 5 Beacon List Operator s Manual ID REFI REP2 16 Stations Planned DENMARK HAMMERODDE SS18 N 14 46 E 289 5 kHz 100 baud ID 451 REF1 700 REF2 701 SKAGEN 57 45 10 36 E 296 0 kHz 100 baud ID 453 REFI REF2 BLAAVANDS HUK 55933 N 08 05 E 290 0 KHz 100 baud ID 452 REFI REF2 ESTONIA NARVA 59 28 N 28 02 E 295 5 kHz Range 100 n m RISTNA LT 58 50 N 22 0F E 307 0 kHz 100 baud ID 530 840 REF 1 Version 1 5 REF 2 FINLAND KLAMILA 60 30 N 27 30 E 287 0 kHz Range 135 n m KOKKOLA 63 50 N 23 10 E 290 5 kHz Range 135 n m KUOPIO 63 00 N 27 30 E 295 0 kHz Range 38 n m MARJANIEMT 65 02 N 24 35 E 314 5 kHz Range 135 n m PORKKALA 59 58 N 24 23 E 293 5 kHz 100 baud ID 400 REF1 600 REF2
36. 34 ETH 29 Oct 1976 00 30 eS mo Fe LE Direct 3 Then press the E key 4 Use one or more of the insert methods described in the Creating a Multi Waypoint Active Route section above This example shows Waypoint 7 inserted into the route using the Insert by Number method 40 Version 2 0 Route Operator s Manual Active Routes 4WPTs 2WPTs 21 79 Remaining ET Active Route Remaining 0 08 7540 F 0 03 9560 5 Press the E key to end editing 5 WPTs 3 UPTs 23 81 Nm 280 2 There is one special way to add a waypoint to the active route using the Plotter display This method adds the waypoint between your present position and the next waypoint in your active route 1 Select either PLOT1 or PLOT2 display 2 Use the zoom in or zoom out softkeys to display the waypoint you want to insert Press the E key All waypoints in the waypoint bank will be displayed if they are within the zoom level of the display Note that the waypoint must have a symbol as the first character of the waypoint name in order for it to be displayed on the PLOT screen when the edit mode is not active JHext WFT J BRG 167 U RNG if Velocity 167 RE PLOT 1 Wa Hol Vie tl a WPT 104 ISO45 H 5258 4650 JE 4556 9710 Datum led 340 176M F is OK now Display options Plotter 3 Use the cursor key to m
37. BASE seb EURO 1950 Sicily esi SOUTHWEST BASE swb EUROPEAN 1979 EUS TIMBALAI 1948 TIL FINNISH KKJ fin TOKYO TOY GANDAJIKA BASE gan TRISTAN ASTRO 1968 TDC GEODETIC DATUM 1949 GEO VITI LEVU 1916 MVS GUAM 1963 GUA WAKE ENIWETOK 1960 ENW GUX 1 ASTRO DOB ZANDRIJ ZAN 168 Version 2 0 Beacon List Operator s Manual Appendix C Beacon List The following list of known DGPS beacon transmission sites is com piled from government agencies and several publications There may be other beacon sites available which are not on the following list as the network continues to grow You can usually find more information regarding available beacon stations from the maritime authority in the country you are in Leica assumes no responsibility for the accuracy of the information which follows it 1s only provided as a matter of convenience ALGERIA mm RAX CAXINE LT 36 00 N 02 57 E 287 0 kHz xxx baud Range 200 n m ID AUSTRALIA ALBANY WA 35 05 S LI SFE 315 0 kHz 200 baud ID 711 BRISBANE OLD 27 04 S 153 03 E 294 0 kHz 200 baud ID 707 CAPE FLATTIERY QLD 14 57 S 14518 E 304 0 kHz 200 baud ID 700 CAPE SCHANCK 38 30 S 144 53 E 314 0kHz 200 baud ID 700 Version 2 0 CORNY POINT 12 00 S 131 00 E 316 0 kHz 200 baud ID 710 HORN ISLAND 10 36 S 142 18 E 320 0 kHz 200 baud ID 702 INGHAM OLD 18 33 20 S 146 18 21 306 0 kHz 200
38. Change softkey to select specific status This setup item controls the AIS status icon shown on the upper right corner of the display See section below for all available nav stat icons 148 Version 2 0 Automatic Identification System Operator s Manual and descriptions Destination Enter the 20 character destination name A string of indicates the destination has not been set ETA Time Enter the estimated time of arrival at the desired destination ETA Date Enter the estimated date of arrival at the desired destination Draught Enter draught height in meters No of People Enter the number of people on board 1 8191 Ship Cargo Type Use the Change softkey to toggle ship cargo choices Refer to table A 2 for possible ship type values 0 255 Softkey Descriptions Change used to toggle through various values available in the field t press this softkey to send the information about number of people on board to the transponder for broadcasting Nav Stat Icons and Descriptions Vessel underway Not Defined Vessel not commanded limited maneuverability limited by draught aground Or reserved for future use Ship 1s anchored or moored 1 MX420 not communicating with transponder Note The displayed icons located on the top right corner of the screen is set to blink off every 3 seconds to allow the operator to see what is behind it and is not considered an alarm condition An
39. Configuration Time suystem Localli Time Formabr 24 hour Time offsets TODDO Summer 11 Ma Displayed times 19 44 00 cl CFG 1 Items i Operation j Organizer 4 Position 1Printaout 2 4 Security j serial 1 0 Time Configuration Tine system Local Time formatr 24 hour a Time offsett 00 00 Summer timer 111 Eat Displayed times 20 44 35 JWPTERTE In WPTERTE In Change Change Time Offset Sets the local offset to UTC time 0 00 is the default Summer Time Sets the local clock ahead one hour in the summer for daylight savings time when set to Yes or to the Local Offset time when set to No The adjusted time value is displayed in the lower window so you can verify the current time without having to leave the screen Wind The receiver will display wind information in the NAV4 screen when connected to a NMEA 0183 sensor which can provide the MWV or VWR sentence Items i Wind Configuration Operation H Transducer connected Yes Data input port HOE 1 A Wind speed units mk Alarm if no datar ask H AWA offsets ss 0 05 Serial 1 0 B AWS Correction factors Input sentence JUPTERTE In Data Input Port default or 2 for MX420 2 1 default 2 5 6 7 8 9 o
40. DGPS DGPS mode ON in CFG DGPS The receiver will automatically retune the GPS receiver to look for satellites for which it 1s receiving DGPS corrections If DGPS corrections are received the receiver will acquire enough satellites to navigate with before the satellite almanac is collected JInitial Position and Time Positions H 5258 9961 EER EA Al Goad al tg E 004 56 9149 Ht MSLI Er Reset Time and Dater Initial Pos i J Language Version 2 0 Configuration Operator s Manual Language Language Configuration The receiver supports 9 languages English Dutch French Finnish German Italian Spanish Swedish and Danish Lighting Press the E key Use the cursor key to scroll down the list until you find the desired language Press the E key again The CFG menu list will sort the menu selections in alphabetical order based on the language selected Lighting Display Keyboard Light amp Contrast Control There are two basic display setups The light function key 0 allows you to instantly switch between two predefined screens Daylight amp Nightlight CFG 1 HIGHT 1 Light Configuration Len Light Configuration Contrast r H Back light E Traffic light H lights H p s E Ed Display background White E 5 1 e Set back light off tim
41. E key again to exit the edit mode Dual Control Dual Station Control 106 This screen sets the functional control between two MX420 CDU s interfaced together The default setting is No When this selection is changed to Yes one receiver is set to Master the other receiver is set to Slave The master unit can be either an MX420 8 CDU or MX420 2 These two units will share a common database and one antenna Refer to Appendix E for more detailed information about the dual control setup and operation Version 2 0 Configuration Operator s Manual qOual Control configuration Mode asteri 9 Dual Control wishin eth diet Ho Data port is fixed NMEA 1 FILA Ly P Dual status Off Change MX420 Dual Control Menu GPS Elevation Mask Control Version 2 0 This screen controls the elevation mask angle or the angle above the horizon at which the receiver will attempt to track a satellite Satellites with an elevation below this angle will be tracked but will not be in cluded in the position solution You can set the elevation limit to any value up to 45 For most marine applications the default limit of 5 is appropriate However there may be some applications where the re ceiver 1s used where a higher elevation limit is desired For example if you are trying to get the best possible position from the receiver and the environment you are in has significant foliage
42. IJMUIDEN PHARE 52 28 N 04 35 E 301 0 kHz Range 49 n m VLIELAND PHARE 53918 N 0504 E 294 0 kHz Range 119 n m NORWAY ANDENES 69 20 N 16 08 E 311 0kHz Range 162 n m BJORNAYA 74 30 N 19 00 E 301 0 kHz Range 200 n m EKOFISK 56 35 N 03 12 E 289 0 kHz Range 100 n m FAERDER 50 01 N 10 31 E 310 5 kHz 100 baud ID 500 REF1 780 FRUHOLMEN 71 06 N 23959 E 309 5 kHz Range 162 n m UTSIRA 59 18 N 04 52 E 313 0 kHz 100 baud ID 505 REF1 785 UTVAER 61 02 N 04 30 E 314 0 kHz 100 baud ID 507 REF1 787 SVINOEY 62 19 N 05 16 E 302 5 kHz 100 baud ID 508 REF1 788 REF2 HALTEN 64 10 N 09 24 E 313 5 kHz 100 baud ID 510 REF1 790 REF2 SKOMVAER 67 24 N 11 52 E 301 0 kHz 100 baud ID 513 Versio 1 5 Beacon List Qperator s Manual REFI1 793 REF2 LISTA 58 06 N 06 34 E 304 0 kHz 100 baud ID 503 REF1 783 REF2 SKLINNA 65 12 N 10 59 E 303 5 kHz 100 baud ID 511 REF1 REF2 TORSVAAG 70 14 19 284 0 kHz 100 baud ID 516 REF1 REF2 VARDOE 70723 N 31 09 E 305 0 kHz 100 baud ID 520 REP2 TORUNGEN 58 23 N 08 48 E 299 0 kHz 100 baud ID 501 REF1 REF2 HETLNES Version 1 5 71 03 N 26913 E 308 5 kHz 100 baud ID 518 REF2 BELLSUND 77 23 13 57 302 5 kHz
43. No Antenna Connected Connected The interface between the two units takes place over a high speed data link The master unit must be connected to the antenna The master unit receives the NMEA signals from the MX421 antenna and pass it along to the slave unit at a one second rate Due to the high speed data link there is virtually no visible position delay between the two units When the two units are first configured as master and slave the mas ter unit mirrors to the slave and the Common Data Base see Table E 1 is downloaded from the master to the slave This function also takes place each time the units are powered up If you happen to have the CFGI1 Dual Control screen active the status bar will indicate Mirror ing during the database update period 191 Operator s Manual Dual Control Head Mode Table E 1 Master Slave Common Database Present Position Update once per second Time Update once per second Displayed in the same mode on both units S Man Over Board Only one unit can make changes at any given time The items detailed in Table E 2 are independently controlled at the individual CDU heads Table E 2 Independently Controlled Functions Plotter Setup Navigate Displays GPS Engineering Position Displays Displa Dual Control Setup Auxiliary Displays Lighting Setup Tide Displays DGPS Displays slave GPS Displays slave reflects the reflects the conditions conditions in master in master 1
44. PORVOO 60 12 N 25 50 E 292 5 kHz Range 135 n m MANTYLUOTO 61 36 n 21 28 E 287 5 kHz 100 baud ID 401 REF1 601 REF 2 OUTOKUMPU 62 41 N 26 01 E 304 5 kHz 100 baud ID 403 REF 1 603 REF2 PUUMALA 6124 N 28 14 E 290 0 kHz 100 baud ID 402 1 602 SAVONLINNA 61 55 N 28 45 E Range 38 n m TURKU 60 26 N 22 13 E 301 5 kHz Range 108 n m VAASA 63 13 N 21 10 E 294 0 kHz Range 135 n m FRANCE ECKMUHL 47 48 N 04723 W 312 5 kHz 100 Baud ID REP2 GATTEVILLE 49942 N 01 16 W 299 0 kHz Range 97 n m ILE DE GROIX PES Operator s Manual Beacon List PEN MEN 47 39 N 03 31 W 309 0 kHz Range 97 n m LES BALE INES 46 15 N 019734 W 305 0 kHz Range 97 n m LES SABLES 46 31 N 01 48 W 307 0 kHz Range 108 n m CAPE FERRET 44 39 N 01915 W 310 0 kHz Range 97 n m CAP BEAR 42931 N 03 08 E 304 5 kHz Range 97 n m CAP S MATHIEU PHARE 48 20 N 04 0846 E 310 5 kHz Range 97 n m PONT DE BUIS 48 18 N 04 0546 E 308 5 kHz Range 108 n m PORQUE ROLLES PHARE 42 59 N 06 12 E 286 5 kHz Range 195 n m REVELLATA Corsica 42 35 N 08 46 E 294 5 kHz 100 Baud GERMANY KOBLENZ 50 22 N 07 35 E 302 5 kHz Range 122 n m WUSTROW 54020 N 12 23 E 308 0 kHz 200 Baud ID 491 HELGOLAND D NE 54 11 N 07 54 2
45. POSITION UPDATE UTC See UNIVERSAL TIME COORDINATED UTM See UNIVERSAL TRANSVERSE MERCATOR UNIVERSAL TRANSVERSE MERCATOR Alternative grid system used in harbor areas and for land applica tions instead of latitude and longitude VDL VHF Data Link VDOP Vertical Dilution of Precision An indicator of the accuracy in altitude See DILUTION OF POSI TION VELOCITY MADE GOOD VMG The speed by which the vessel 1s moving in the upwind direction When tacking the optimization should be based on VMG assum ing that TWD 1s expected to be fairly constant See also WAY POINT CLOSURE VELOCITY VHF Very High Frequency A set of frequencies in the MHz region VISIBLE SATELLITE A satellite whose orbit has placed it above the earth s horizon el evation angle gt 0 from the location of the navigator and 1s there fore available for acquisition The navigator will not use satellites with an elevation angle lt 5 VMG See VELOCITY MADE GOOD VTS Vessel Traffic Service WAYPOINT A point usually along the track of the vessel or vehicle whose position coordinates may be stored in the navigator The point position 1s the basis for the heading range heading to steer esti mated time of arrival and steering display calculations WAYPOINT CLOSURE VELOCITY WCV The speed the vessel is moving in the direction of the next waypoint WCYV should be used for optimization in cases where TWD is ex pected to vary drasti
46. Plot te gt Cross track error limits gt COG SOG Filter Settings Take a quick look at both screens They both have a graphical area to the right and a text data area to the left Marker IH 52958 9255 IE 4 6 36357 J Datum W4 1 BRG x 6 a RHG x 32174 Record track Return The bottom left softkey 1s the Zoom In softkey the second softkey from the left 1s the Zoom Out softkey These two softkeys are active without pressing the E key Each time you depress one of these softkeys you scale by one half or by double the graphical area If you look to the top of the screen just right of the page number PLOT 1 or PLOT 2 you will see a number in a white square This is the scale of the graphic window based on the units selected in CFG1 Navigation Now look along the left and right edge of the graphic window you will see some vertical black and white dash marks these are harder to see at small scales like 1 and 2 or at large values such as 64 or 128 Each solid dash mark represents 1 nautical mile A broken dash mark indi cates 1 100th of a nautical mile when you are zoomed in at low scale You will find your bearing and range to the next waypoint PLOT1 or marker position PLOT2 just below the page number The PLOT2 screen also provides the marker coordinates and the datum currently in use set in CFG1 Datum Version 2 0 Plot Operator s Manual The CFG1 Navigation menu a
47. Using the GOTO function key is the fastest way to create a single leg route This method will cause the existing active route to be erased and overwritten with the new position you define 1 2 From any screen press the GOTO key Press the E key Press the E key to select where to go to Select where to go to e existing route will be deleted when using the GOTO Function 3 68 Select the waypoint determination method you want Waypoint Number allows you to choose a waypoint stored in the Waypoint Bank where you enter the waypoint number Choose in Bank as used in the Route function refer to Route Choose In Bank section of the manual allows you to view waypoints in the Waypoint Bank as a list Lat Lon Grid Point Loran C TD s Decca TD allows you to define a coordinate and description which 1s also stored at the next available waypoint location in the Waypoint Bank Bearing Range allows you to define a coordinate by specifying the bearing and range from your present position which 1s also stored at the next available waypoint location in the Waypoint Bank If you make a mistake you can use the cursor key to position the cursor over the mistake and overwrite the error Use the DGPS key or cursor key to insert a space in the descrip tion if needed Use the CFG key to select a special character if needed To activate the GOTO waypoint press the E key A warning
48. also collects and decodes AIS reports from other stations and pro vides a readout from all AIS equipped ships and shore stations This model does not have full navigation functions MX423 AIS Transponder GPS Ant VHF MX420 AIS Basic Configuration MX420 AIS AIS amp Navigation System An enhanced MX420 MKD unit supplied with the Leica MX421B 10 smart DGPS antenna This model has full navigation and AIS features MX420 AIS Navigation System Configuration The Installation amp Service Manual has more details on the parts supplied with each configuration and their associated part numbers Note 1 In general this manual will refer to all versions of this product line simply as the MX420 CDU MX420 AIS CDU or navigator Where distinction between models is necessary the particular model type will be indicated Version 2 0 5 Operator s Manual Keypad amp Display Description 2 Three smart GPS DGPS antenna models are compatible with the MX420 CDU They are the MX421 10 GPS or DGPS MX525 DGPS only and MX521 GPS or DGPS 6 Version 2 0 Keypad amp Display Description Operator s Manual DGPS Beacon System N MXA2O Naviga ton System ra Q OQ Tallies 22298 kh dl ooo Professional Commercial Personal Craft Users Version 2 0 an As Maritime Safety Administrations Navy and Coast Guard Organi zations reali
49. baud ID 708 KARRATHA 20 45 S 11627 E 304 0 kHz 200 baud ID 701 MACKAY QLD 21 06 12 S 149 12 41 E 315 0 kHz 200 baud ID 704 MALLACOOTA VIC 37 34 05 S 149 44 10 E 318 0 kHz 200 baud ID 713 PERTH WA 31 47 53 S 115 56 01 306 0 kHz 200 baud ID 712 SYDNEY NSW 33959 11 S 150 58 40 E 308 0 kHz 200 baud ID 703 WEIPA QLD 12 39 13 S 141 51 37 E9 316 0 kHz 200 baud ID 709 BAHRAIN AL BANDER 26 07 N 50 39 E 298 KhZ 200 baud ID 480 481 140 BELGIUM HASSELT 50 56 N 05 20 E 287 0 kHz Baud 200 ID xxx Proposed TOI Operator s Manual Beacon List OOS TD CK 51 16 N 02 26 E 311 5kHz Baud 200 Proposed OOSTENDEN PHARE 51 14 N 02 5S E 312 0kHz 200 baud Range 119 n m 1D 420 REF1 xxx Proposed BERMUDA Sls DAVIS HEAD 32 22 N 64 39 W 323 0 kHz 100 baud ID 950 BRAZIL ABROLHOS 17 57 53 5 38 41 38 2 W 290 0 kHz 100 baud ID 461 ARACAJU 10 58 10 7 S 37 02 11 1 W 320 kHz 100 baud ID 468 CALCANHAR 05 09 36 8 S 29 15 2 W 305 0 kHz 100 baud ID 467 CANIVETE 00 30 31 6 S 0 24 50 1 W 310 0 kHz 100 baud ID 463 ILHA RASA 26 S 43 06 W 315 0 kHz 100 baud MOELA 24 02 S1 9 S 6 15 42 8 W 305 0 kHz 100 baud ID 462 RIO GRANDE 32 08 S4 1 S 2 06 11 7 W 290 0 kHz 100 baud ID 464 SANTA MARTA 28 36 16 2 S 48 48 50 1 W 310 kHz 100 baud ID 466 SAO MAR
50. cursor to the boat s present position If you choose to use the magnifying glass method make sure you move this icon before you select the Move Marker softkey After you press the Move Marker softkey pressing on the cursor keys only allows you to move within the coordinate fields PLOTS3 AIS Plotter Display This plot screen is available only in MX420 AIS and MKD CDUs It is accessed by pressing the PLOT key the third time It displays a graphic picture of the area surrounding your vessel In this display any AIS equipped vessel that is within the range will be shown A maximum of 20 AIS targets will be displayed in the plot 3 screen More PLOT 3 screen details are available in Appendix A Plot Screen Use Examples Station Keeping 78 There may be a time when you want to maintain your position at a given location in open water Some applications for this need may be gt Staying over a dive wreck gt Staying over a fishing hole Version 2 0 Plot Operator s Manual Version 2 0 gt Recovering an oceanographic survey point You can easily accomplish this task by two methods by placing the marker in PLOT 2 on the location you want to maintain and by refer ring to the bearing and range in PLOT2 to maintain the position If you are placing and recovering crab pots along a course line you can enter your course in the RTE1 screen then place the marker at each crab pot in turn You can also select WPT Pass Criterion
51. datums Table A 1 Datum Names and Abbreviations WGS 84 W84 HJORSEY 1955 HJO WGS 84 OFFSET wpo HONG KONG 1963 HKD WGS 72 W72 INDIAN VIETNAM ivi EUROPEAN 1950 EUR INDIAN INDIA lin NAD 27 CONUS NAS IRELAND 1965 IRL NORTH AMERICAN 1983 NAR ISTS 073 ASTRO 1969 IST ADINDAN ADI JOHNSTON IS 1961 JOH AFGOOYE AFG KANDAWALA KAN AIN EL ABD 1970 AIN KERGUELEN ISLAND KEG ANNA 1 ASTRO 1965 ANO NAD 27 CANADA ncd ARC 1950 ARF NAD 27 CANAL ZONE ncz ARC 1960 ARS NAD 27 CARIBBEAN ncr ASCENSION ISL 1958 ASC NAD 27 CENT AMER nca ASTRO BEACON E ATF NAD 27 CUBA ncu ASTRO B4 SOROL ATL ast NAD 27 GREENLAND ngl ASTRO DOS 71 4 SHB NAD 27 MEXICO nmx ASTRONOMIC ST 1952 ASQ OBERVATORIO 1966 nob AUSTRALIAN 1966 AUA OLD EGYPTIAN OEG AUSTRALIAN 1984 AUG OLD HAWAIIAN OHA BANGLADESH ban OMAN FAH BELLEVUE IGN IBE O S G B 1936 OGB BERMUDA 1957 BER PICO DE LAS NIEVES PLN BOGOTA OBSERVATORY BOO PITCAIRN ASTRO 1967 PIT CAMPO INCHAUSPE CAI PROV S CHILEAN 63 HIT CANTON ASTRO 1966 CAO PROV S AMER 1956 PRP CAPE CAP PUERTO RICO PUR CAPE CANAVERAL CAC QATAR NATIONAL QAT CARTHAGE CGE QORNOQ QOU CHATHAM 1971 CHI REUNION REU CHUA ASTRO CHU ROME 1940 MOD CORREGO ALEGRE COA RT 90 SWEDISH swe DJAKARTA BATAVIA BAT SANTO DOS SAE DOS 1968 GIZ SAO BRAZ SOA EASTER ISLAND 1967 EAS SAPPER HILL 1943 SAP EURO 1950 Western ewe SCHWARZECK SCK EURO 1950 Cyprus ecy SOUTH AMERICAN 1969 SAN EURO 1950 Egypt eeg SOUTH ASIA SOA EURO 1950 Iran eir SOUTHEAST
52. finding out how we can improve our information services All of your comments and suggestions become the property of Leica Please send them to Leica Geosystems Inc 23868 Hawthorne Blvd Torrance CA 90505 United States of America or write your comments on the Reader Comment Sheet on the next page and mail it to us Reader Comment Sheet MX420 Operator s Manual P N 3508 102 70040 Leica welcomes your evaluation of this manual Please note errors suggest additions or make general comments below Use extra pages if you like All comments and suggestions become the property of Leica Do not use this form to reguest purchases maintenance assistance or addi tional publications Please contact your Leica marketing representative for pur chases or additional publications and your nearest authorized service represen tative for maintenance assistance Thank you Your Name Address Fold on broken line as shown on other side of page and seal with tape Place Stamp Here MI Marine 23868 Hawthorne Blvd Suite 200 Torrance CA 90505 USA PRODUCT WARRANTY AND LIMITATION OF LIABILITY Leica products are warranted by Leica Geosystems the Seller to original purchaser the buyer for use only to be free of all defects in material and workmanship for a period of twelve 12 months from date of purchase by Buyer If during the warranty period the Leica products or parts thereof Product found
53. is briefly displayed indicating that the active route will be replaced with the GOTO route Version 2 0 Plot Operator s Manual Range 45 000 Hm Bearing 250 Escape If you decide you don t want to continue with this function press the Escape softkey then select another function key e g NAV and your original route will have been left intact Press the RTE function key You will see two waypoints defined in the center of the screen Remaining 1 WPTs Z 45 0 Nm ET 3 Jun 2001 00 45 ae 41212 BE ade SS 3 Jun 0045F Waypoint 0 the first waypoint is your Point of Departure or the position you were at when you created the route The CDU saves and displays the original coordinates date and time when you created the route in Waypoint 0 Waypoint 0 is displayed in Inverse Video that is white characters on a black background when in the normal Daylight display mode see Lighting This indicates that you have already passed this coor dinate The time stamp at the lower portion of the description window indicates when the route was created To the right of the coordinate window of Waypoint 0 is a bent arrow The bend in the arrow is adjacent to the range and bearing between the waypoint you just passed and the waypoint you are approaching Keep in mind that these are the fixed calculated values between these two coordinates and not the real time changing values that you will
54. is the same as POS2 and provides your position coordinates the an tenna altitude above Mean Sea Level MSL altitude mode 2D or 3D the magnetic variation Variation for your present position and the present datum in use for calculating your position D O 94 erator s Manual Position Altitude Mariatdion The lower left window is also the same as POS2 and displays your course and speed over ground If the degree symbol has a small c under it this indicates that the magnetic variation and compass devia tion table are being calculated and displayed Refer to the Com pass section for more details on how to set this up The right hand window indicates your accumulated mileage since the CDU was first turned on Altitude 123m Variation 1 5 W You will also find two Trip Reset softkeys 1f you press the E key Two trip logs are provided so that you can log the mileage for a the current leg or day of your trip and b the entire trip You will also find a flashing cursor on the second line in the Trip Log This is provided so that you can label what type of mileage you are logging Edit this field the same way you would any of the description fields for the waypoints Version 2 0 GPS Operator s Manual GPS Three screens are available under the GPS function key The GPS DGPS functions are highly interactive with these CFG1 menu selec tions gt GPS sets the low
55. is improved to 5 meters or better for 95 of the time subject to the availability accuracy and control of the DGPS correction transmission from the Beacon Station or other reference station connected at the time of usage The differential GPS position is that of the navigator GPS antenna and not that of the beacon antenna if a separate beacon antenna is in use In addition the beacon radio signal which carries the DGPS correc tions may be hampered by weather conditions such as heavy rain snow and thunder storms The beacon radio signal may also be inter rupted by powerful radio transmitters operating in long wavelength bands Charts and Navigational Aids N Positions obtained from charts are not always as accurate as your navigator due to environmental changes the dates of charts and datum offsets 1f the datum differs from the one in use by the naviga tor The position of a floating aid can differ due to tide set and drift Version 2 0 Functional Description Operator s Manual Functional Description 420 Configurations The MX420 Navigation System is available in several configurations Please refer to the Auxiliary Unit Information section of the manual to view sample screens to identify your particular model Described be low are the various MX420 configurations and their differences MX420 2 GPS This 1s a basic MX420 Control and Display Unit CDU model with two 2 bidirectional user NMEA ports This model
56. key is the fastest way to create a single leg route Using this method will cause the existing active route to be erased and overwritten with the new position you define 1 From any screen press the GOTO key 2 Press the E key Warning The esisting route will be deleted when using the GOTO function Press the Es key to select where to go to Select where to go to Waypoint Choose Humber in bank 3 Select the waypoint determination method you want Waypoint Number allows you to choose a waypoint stored in the Waypoint Bank This feature is nice to use if you already know the waypoint number that you want to go to and you don t want to waste time scrolling through the available waypoints Enter the number of the waypoint verify that the coordinates are correct and press the E key to copy the waypoint to the active route Choose In Bank allows you to scroll through the Waypoint Bank Align the cursor with the desired waypoint and press the E key The waypoint is automatically inserted into the active route and the unit will revert to the NAV screens displaying bearing and distance to this waypoint 30 Version 2 0 Route Operator s Manual EF LIFT EM 52755 9930 i EE 456 9443 OOF H 7 Lat Lon Grid Point Loran C TD 5 allows you to define a coordi nate and description which is also stored at the next available waypoint location in the Waypo
57. load is g hope Thor VELELSEF LF ess Hak receiver Stal Change xxx loads the port by The NMEA 0183 standard limits the port baud rate to 4800 bits per second It is impossible to turn on every NMEA 0183 data record on one port in the receiver at a once per second output rate due to the NMEA standard limi tation xxx loads the port by tells you how much throughput capacity is required to send the selected data record out the port where xxx is the NMEA data sentence identifier If you change the Output Rate xxx loads the port by value will adjust to reflect the change after you move the cursor to the next line This is a very helpful tool to ensure that you don t loose data due to lack of throughput on the data port Total load is Due to the throughput limitation of the NMEA 0183 standard you can not turn on all of the output records avail able from the receiver at a once per second output rate at one time The Total load is counter will help you maximize the port usage on the receiver It monitors the total throughput capa bility of all the output records that are currently turned on If you go over 100 and you require all of the data records that are currently turned on try reducing the Output Rate for one or more of the less critical data records Continue this process until the Total load is 100 0 or less There are several special case screens which provide added support Rnn Active Route Data Record
58. map Polled Mode A transponder is in a polled mode during a request response session only Distinguish this from a station which is polled into certain slots This station is first polled and then enters assigned mode POSITION UPDATE The redefining of position by analysis of satellite orbital data as referenced to time PRN See PSEUDORANDOM NUMBER PROCESSOR The processor circuit card in the console that controls system op erations and computes the positioning navigation solutions PROMPT A message on the display instructing the operator to make a key board entry PSEUDORANDOM NUMBER PRN The identification number ofa GPS satellite PSEUDO RANGE Range that includes errors due to clock offset PSP Presentation System Port A communication port on the AIS transponder used as an interface to external systems 1 e the MX420 PULSE SPEED SENSOR Speed log whose speed output signal is defined by a pulse rate output Versio 1 5 Glossary Operator s Manual Version 1 5 RANGERESIDUAL The difference between the expected satellite range and the mea sured satellite range for the last measurement taken from each sat ellite in the constellation RATDMA Random Access Time Division Multiple Access Access protocol for transmissions which have not been pre announced This is used for the first transmission during data link network entry or for messages of non repeatable character REFERENCE COMPASS The
59. of determining absolute position with uniform accuracy at all points on the Earth s surface Version 1 5 203 Operator s Manual Glossary GEOGRAPHIC COORDINATES Angular displacements along parallels of latitude and meridians of longitude on an ellipsoidal surface Ellipsoidal coordinates GEOID The Earth s surface with all topographical undulations removed equipotential surface so that all points on the surface approxi mate mean sea level GEOIDAL HEIGHT Deviations of the geoid above and below the ellipsoid due to non uniformity of the Earth s mass Geoidal height is positive when the deviation is outward from the central volume of the ellipsoid and negative when it is inward GDOP Geometric Dilution of Precision An indicator of the accuracy in position latitude longitude alti tude and time See DILUTION OF PRECISION GFSK Gaussian Filtered Shift Keying A standardized method of modulating digital data prior to transmission on a data link GMSK Gaussian Minimum Shift Keying GFSK using BT products and modulation index which optimizes the modulated signal GNSS Global Navigation Satellite System A common label for satellite navigation systems such as GPS and GLONASS GLOBAL POSITIONING SYSTEM GPS The NAVSTAR Global Positioning System which consists of or biting satellites a network of ground control stations and user positioning and navigation equipment The system has 24 satel lites plu
60. of the wind information is your Velocity Made Good VMG towards the waypoint The VMG data is filtered to show the average speed from the last waypoint to your present posi tion towards the next waypoint VMG is calculated from GPS data The CDU will also use the above data to calculate your speed parallel to wind and can output the VPW NMEA 0183 data sentence to other on board instruments 25 Operator s Manual Navigate 26 The window below the wind data provides information relating to your course and speed You will find the Course Over Ground COG calcu lated by the MX421 smart GPS antenna Heading HDG your NMEA 0183 compass input and Heading To Steer HTS data on the left side of the window HTS data is calculated by considering your Heading minus COG and adding BRG to the waypoint In doing so the soft ware considers any Set to be included in the HDG value If there is no Set your HDG should be egual to COG Set and Drift is calculated from GPS and your Speed Log NMEA 0183 VHW record or Pulse input and Compass NMEA 0183 HDM HDT or VHW input or an operator manual input On the right side of the lower left window you will find the Speed Over Ground SOG calculated by MX421 smart GPS antenna Speed Log LOG the NMEA 0183 or pulse speed input and the Waypoint Clo sure Velocity WCV WCY reflects the real time velocity from your present position and course towards the next waypoint The VMG and WCV are calculated f
61. operate the unit in UTC time mode 1f you are going to cross one or more time zones Note that the time entered uses the offset to UTC applied in the 1 Time display The software calculates Estimated Time of Arrival based on how you configure the unit ETA settings are controlled from the RTE1 screen To change the ETA settings 1 Select the RTE key until the RTE1 screen is displayed 2 Press the E key 3 Select the ETA SOG Calc softkey Insert Remove Control Active Foute 20 WETS Active Foute 20 WPTS Femainings 12 eee 1 5 Mm Remaining __ 12 WPT lt 11 5 Hm cnan ETH SOG calculation j ETH SOG calculation Calculater ETAI z Calculater SORG For arrival time 21 47 4 Use Change softkey to select which value you want the CDU to calculate either ETA based on speed or speed SOG based on desired time and date of arrival 44 Version 2 0 Route Operator s Manual SOG Based on Arrival Date amp Time Active Route Remaining 12 WPTs 7 11 6 Hm T Jun 2001 23 34 20 WPTs 11 WRTs 11 4 Hm Required SOG 11 7 Active Route se Remaining 4 Datuma H 3258 0290 j E ea aa A JZ Ir wcll 487 3200 kek S 142 154 N 52957 2850 5 Enter the arrival time and date Be sure to enter the date as day month year as indicated on the scre
62. per pendicular line from your present course line Approach Alarm Causes an alarm to sound if your position is within the radius defined in Approach Distance below when Yes is selected To disable the alarm select No the default condition with the Change softkey ITA Version 2 0 Configuration Operator s Manual Approach Distance Sets the waypoint approach alarm distance above to sound 1f your position is within the radius defined The default setting is 0 30 Nm This is a convenient tool for large boats and ships that need to perform Transfer and Advance maneuvers prior to reach ing the waypoint Autopilot Alarm Causes an alarm when your position is outside the cross track error limit defined in XTE Limit above or when you change course to a new leg in your route manually or automatically passing a waypoint when Yes is selected It also causes the NMEA data records of APA APB and XTE to change their reported status of Valid to Invalid when you reach the waypoint of the current leg This tells the autopilot not to use the data from the receiver When the alarm is canceled which requires your depression of the Can cel Alarm softkey displayed during the alarm condition these data fields will revert to valid data and the autopilot will accept the receiver data again This is provided as a safety feature so that the boat does not turn toward a new direction without your knowing of the impending change To disable t
63. provided by the CDU the Plot screens provide basic navigation information zoom in out capability and scaling fac tors for the display from around 10 to 20 meters depending on your latitude out to 128 nautical miles You will find these screens very helpful in many ways and we will provide you with a couple of ideas on how to make good use of the PLOT function after the screen de scription which follows For MX420 AIS models a third plot screen PLOTS is available which shows the locations of other AIS equipped vessels relative to your ships position Additional softkeys can be brought up by pressing the E key More detailed information about the PLOT3 screen is avail able in Appendix A page 154 of this manual Note The Plot screens do not show your route and cross track error lines when in Great Circle Navigation mode The following CFG menus directly impact the PLOT functions gt Navigation sets a variety of important functions and alarms gt Rhumb Line or Great Circle navigation gt Range units nautical miles nautical miles and meters when under 1 000 meters nautical miles and feet when under 1 000 feet statute miles statute miles and meters when under 1 000 meters statute miles and feet when under 1 000 feet kilome ters or kilometers and meters when under 1 000 meters 5 Waypoint Pass Criterion and distance 4 Waypoint Approach distance Autopilot alarm control O erator s Manual
64. received As with all other forms of radio signals the ultimate navigation result is depen dent upon the quality of these signals Radio signals may on occa sion be distorted jammed or otherwise incorrect As a result your position accuracy may occasionally be less than that which can nor mally be expected The Navstar Global Positioning System commonly referred to as GPS is a satellite navigation system developed by the U S Department of Defense to provide both military and civilian users with highly accu rate worldwide three dimensional navigation and time By receiving signals from orbiting GPS satellites authorized users are able to con tinuously navigate with an accuracy on the order of 16 meters or bet ter while civilian users are limited to accuracy s of approximately 30 meters 2D RMS A technique referred to as Differential GPS DGPS allows users to obtain maximum accuracy from the GPS system DGPS requires the use of two GPS receivers One receiver known as the Reference Station is placed at a surveyed location the coordinates of which are precisely known The purpose of the differential GPS system is to use the refer ence station to measure the errors in the GPS signals and to compute corrections to remove the errors The corrections are then communi cated in real time to the navigators where they are combined with the satellite signals received by the navigators thereby improving their navigation or position
65. see in the navigate screens between your present position and your next waypoint during normal navigation Version 2 0 69 Operator s Manual Plot 70 Below Waypoint 0 is the waypoint you defined in the GOTO function Notice that this information is in standard video black characters on a white background and that an ETA time is displayed in the same posi tion as the waypoint passed time in Waypoint 0 This indicates that the waypoint has not been passed yet Remember that the ETA time 1s filtered over time so allow a few minutes for the filter to settle when you first get underway or make course and speed changes Version 2 0 Plot Operator s Manual Plot Version 2 0 There are two PLOT screens available in the basic MX420 navigator models The RTE1 and WPT functions are highly interactive with the PLOT screens The primary difference between the PLOT1 and PLOT2 screens is the point of reference The PLOT1 screen displays graphic information around the boat at your present position The boat always remains in the center of the screen The PLOT2 screen displays graphic information around a marker The marker always remains in the center of this screen If you define some of your navigation markers in the Waypoint Bank with a symbol in the first character position the navi gation symbol will show up in relation to your planned course on the plot screen just as it does in the NAV1 Panorama screen In addition to the graphic details
66. set in the CFG Navigation XTE Limit field When the alarm is canceled which requires your depression of the Cancel Alarm softkey displayed during the alarm condition these data fields will revert to Valid data and the autopilot will accept the receiver data again This is provided as a safety feature so that the boat does not turn toward a new direction without your knowing of the impending change Output Port Configuration Conflicts Because the Log Pulses Dual Contr and NMEA out all use the same hardware it is only possible to enable one of these formats on any given port If you have already defined a given port for one format and you attempt to define a different format for the same port the receiver will warn you of the port conflict The first format to be defined on a port maintains the port The second format will be ignored Continue Version 2 0 Configuration Operator s Manual Operation General Setup and Control Settings This screen controls a few basic operating settings Remember Display When set to Yes default the receiver remem bers the Page Number or screen you viewed the last time you used a particular function For example if you normally moni tor the NAV3 display and you decided to look at the PLOT screen the next time you press the NAV function the receiver will automatically revert to the NAV3 screen immediately HOP on setup j Language H Remember displau vesi 3 Lightin
67. the receiver is configured The tem list is arranged alphabetically based on the language chosen This section of the manual is arranged alpha betically for English You may choose to skip to only the items that interest you at first then read this complete section at a later time Note This option lists is too long to show in one page of the display To be sure you have viewed all of the configu ration options scroll through to the bottom of each list with the cursor key AIS Config AIS Static This is an AIS setup screen which is used to identify the type of transponder on the vessel See Apendix A for more details Available only in MX420 AIS This is an AIS setup screen used for configuring the vessel s ID and name IMO transponder radio settings associated communication mode and data output selections See Appendix A for mode details Standard MX420 2 and MX420 8 models does not have this menu item AIS Voyage Version 2 0 This is an AIS setup screen which is used to setup the voyage related information such as navigational status ship and cargo type destination ETA and number of passengers See Appendix A for more details Standard MX420 2 and MX420 8 models does not have this menu item 22 Operator s Manual Configuration Alarms This screen allows you to quickly see which alarms are active and inactive The list of available alarms 1s interactive with the remaining screens described in this secti
68. the waypoint passed determination method There are five methods available Complex This is the default setting Passing the waypoint is determined by reaching an imaginary perpendicular line Or you can pass the a Ls Operator s Manual Configuration waypoint by crossing the bisector line of an acute angle providing you are within 0 2 NM of the waypoint or an obtuse angle between your present course line and the next leg of your route Manual Passing the waypoint can only be accomplished by manually skip ping a waypoint Refer to the Skipping and Unpassing Waypoints in the Route section of this manual This is a great way to perform station keeping maneuvering Refer to the Plot Screen Use Examples in the Plot section for further details on this application Distance Passing the waypoint is determined by reaching an imaginary circle around the waypoint the radius of which you can define in WPT Pass Distance The default value is 0 10 Nm If you set this distance to 0 00 you will never pass the waypoint This is a great way to perform station keeping maneuvering Refer to the Plot Screen Use Examples in the Plot section for further details on this application Bisector Line Passing the waypoint is determined by reaching the bisector line of an acute or obtuse angle between your present course line and the next leg of your route Perpendicular Line Passing the waypoint is determined by reaching an imaginary
69. traveled to be displayed No causes the traveled course not to be displayed gt Show Off Track Limit Yes is the default condition which causes the active route cross track error lines to be displayed These are only displayed for the leg of the course you are presently on If you Ja Operator s Manual Plot reset your cross track error these lines are redrawn to reflect the course change see NAV2 No causes the cross track error lines not to be displayed Note that these lines can only be displayed in Rhumb Line navigation mode see CFG1 Navigation gt Show Lat Lon Grid No is the default condition which causes the coordinate grid not to be displayed Yes causes the Lat Lon grid to be displayed regardless of positioning reference system selection in 1 Position Note that the grid is only displayed at the 4 Nm scale or lower fC PLOT 1 1 00Hm BRG 165 N q ENG 2153 Nm he Velocity 165 mae N ge gt Automatic Zoom No is the default condition which causes the displayed scale to be controlled by you Yes causes the boat icon to be placed along one edge of the screen and the next waypoint flag to be placed along the opposite edge of the screen As you approach your waypoint the screen will automatically zoom in on your course then expand back out after you pass the waypoint and start the next leg of your course If you pre
70. turned On or Off default Printer Interval Sec Allows you to control how often in seconds the print out will be sent out of the printer port The default value is 60 seconds and the valid range is from 1 to 9999 seconds Format Allows you to choose either the Full or Brief formats described above Baud Rate This allows to control the port interface baud rate to match the printer or computer you are interfacing with The available baud rates are 600 1200 2400 4800 9600 default or 19 200 Data Bits This allows you to match the printer s requirement of 7 or amp default bit serial data Stop Bits This allows you to match the printer s requirement of default or 2 stop bits Parity Check This allows you to match the printer s requirement of No default Even or Odd parity Handshake This allows you to match the printer s requirement of No default XON XOFF or HW Hardware CTS RTS requires pins 1 3 and 5 of the of the Multiport interface connector handshaking Version 2 0 Ly Operator s Manual Configuration ROT Rate of Turn J Position Printout 1 J Printout 2 ROT a Security Serial a Time Wind J UPTSETE In Security 128 The ROT configuration menu is only available in MX420 models with the AIS or MKD feature enabled It is not available in standard MX420 models The ROT connected mode can be toggled to YES or NO by pressing the E key and the
71. vehicle COMPASS DEVIATION See DEVIATION COMPASS HEADING Compass reading before correction for deviation and variation COMPASS MAGNETIC VARIATION See MAGNETIC VARIATION 192 Operator s Manual Glossary COURSE The horizontal direction in which a vessel is steered or intended to be steered expressed as angular distance from north clockwise through 360 Strictly the term applies to direction through the water not the direction intended to be made good over the ground The course 1s often designated as true magnetic or compass as the reference direction is true magnetic or compass respectively COURSELINE A line as drawn on a chart extending in the direction of a course Rhumb Line COURSE OVER GROUND Course made good relative to the sea bed CROSS TRACK ERROR XTE The perpendicular distance from the vessel to the actual course line track as defined in the active route CURSOR A flashing rectangle superimposed on a character position in the display window indicating that a character may be entered in that position or that the existing character may be changed via the keyboard DATUM The framework on which the coordinates used to define position on the Earth s surface are based In the navigator a datum is de fined by the following parameters A and I F Size and shape of a reference ellipsoid DX DY DZ Position of the reference ellipsoid origin in relation to the satellite datum ellipsoi
72. 0 r 182 SOG 08 0 Kt C 00 r 186 FOT 004 min D 00 i Destinations ETA Time 09 35 Long Beach Harbor Date 05728 Display Field Descriptions Name Vessels name MMSI Maritime Mobile Service Identity number used for identification of ship and message Ship Cargo Type Ship amp Cargo Type see table A 1 for values AGE Age In seconds of the information on the display Nav Stat Navigation status as entered in AIS Voyage setup CALLSIGN Assigned radio call sign IMO International Marine Organization number when available Version 2 0 FS Operator s Manual Automatic ldentifaction System GPS Source Lat Lon GPS Ant Pos HDG SOG Destination Source of the GPS information in use The choices are Primary MX421 or MX525 smart GPS sensors Secondary external GPS attached to the MX420 CDU and Backup Transponder GPS Position fix of the GPS in use In use GPS Antenna location A B C amp D values see below with reference to aft of bow and port or starboard of centerline Gyro reading in degrees Course Over Ground degrees Estimated time of arrival date amp time Ship s Rate Of Turn in degrees per minute Speed Over Ground knots Operator entered destination under the AIS Voyage setup screen Antenna Location GPS Antenna Offset Diagram Version 2 0 Automatic Identification System Operator s Manual AIS 2 Remote Ship Lis
73. 0 baud ID REF1 REF2 43 22 N 140 28 E 316 0 kHz 100 200 baud ID REF1 REF2 42958 N 144 23 E 288 0 kHz 100 200 baud ID REF2 41 25 N 140905 E 309 0 kHz 100 200 baud ID REFI REF2 41 26 N 141 28 E 302 0 kHz 100 200 baud ID REF1 REF2 38 57 N 139950 E 288 0 kHz 100 200 baud ID REP2 37 51 N 136 55 E 295 0 kHz 100 200 baud ID REFI REF2 30 16 N 141 35 E 316 0 kHz 100 200 baud ID REF1 REF2 35 42 N 140 52 E 295 0 kHz 100 200 baud ID REF1 REF2 34 53 N 132 02 E 305 0 kHz 100 200 baud ID REFI REF2 33 52 N 129 4 PE 295 0 kHz 100 200 baud ID P73 Operator s Manual Beacon List REFI REP2 33 05 N 139 S TE 302 0 kHz 100 200 baud ID REFI REP2 33 15 134 1 295 0 kHz 100 200 baud ID REFI REP2 31 59 N 12821 E 302 0 kHz 100 200 baud ID REFI REP2 31 22 N 131 20 E 309 0 kHz 100 200 baud ID REFI REP2 LATVIA VENTSPILS SP 22 N o 1 Ick 308 5 kHz 100 baud LITHUANIA KLE TPADA 55 43 N 21 05 E 304 5 kHz Range 50 n m NIDA 55 18 N 21 00 E 315 5 kHz 176 Range 20 n m NETHERLANDS GILZE RIJEN 51 37 N 04 56 E 302 0 5 kHz Range 100 n m HOEK VAN HOLLAND 51 59 N 04 07 E 312 5 kHz 100 baud 1D 425 REF1 650 REF2 651
74. 10 Press the Done softkey 11 Set the WPL record to Off vou will need to turn the data off while setting up the computer 12 On the computer double click on the Accessories icon 13 Double click on the Terminal icon 14 Click on the Settings menu 15 Double click on the Communications menu item and make the fol lowing settings 4800 baud 8 data bits 1 stop bit ove Operator s Manual Waypoint Parity none Flow Control none Connector Com1 or Com2 depending where the external interface 1s Parity Check blank Carrier Detect blank OK 16 Click on the Transfers menu 17 Double click on the CDU Text File menu item and make the follow ing Settings give the file a name txt select a location folder to store the file OK 18 On the CDU you should still be in edit mode on CFG1 NMEA Out 2 with the cursor flashing on Off at the WPL record Press the Send All softkey 19 When all the waypoint sentences are sent click on the Stop button on the PC 20 Press the E key on the CDU to exit the edit mode Uploading Waypoints from Other Devices 64 The CDU will accept waypoints from any device which follows the WPL formats identified earlier in the Waypoint section The first two characters following the can be any NMEA defined talker ID You do not have to calculate and include the checksum however you must end each data record with a carriage return and line feed If you do include the che
75. 10 REF2 011 Message TYPE 9 CAPE CANAVERAL FL 28 28 N 080 33 W 289 KHz 100 baud ID 09 REF 1 018 REF 2 019 Message TYPE 9 EGMONT KEY FL 27736 N 082 46 W 312 KHz 200 baud ID 812 REF 1 024 REF 2 025 Message TYPE 9 MIAMI FL Vir ginia Key 25744 N 080710 W 322 KHz 100 baud ID 861 REF 1 020 REF 2 021 Message TY PE 9 KOKOLE PT HI 21 59 N 159 45 W 300 KHz 200 baud ID 880 REF 1 260 REF 2 261 Message TY PE 9 VE LUSPOTINT ATI 20 15 155 53 W 286 KHz Version 2 0 200 baud ID 879 REF1 258 REF2 259 Message TYPE 9 ROCK ISLAND IL 42 00 N 090 14 W 311 KHz 200 baud ID 863 REF 1 None REF2 None Message TY PE 9 ENGLISH TURN LA 29953 N 089 56 W 293 KHz 200 baud ID 814 REF 1 028 REF 2 029 Message TYPE 9 CHATHAM MA 417407 N 069957 W 325 KHz 200 baud ID 802 REF 1 004 REF 2 005 Message TY PE 9 BRUNSWICK ME 43953 N 069 57 W 316 KHZ 100 baud ID 00 REF 1 000 REF 2 001 Message TY PE 9 CHEBOYGAN MI 457939 N 084728 W 292 KHz 200 baud ID 836 REF 1 112 REF 2 113 Message TY PE 9 DETROIT Mi 42 18 N 083 06 W 319 KHz 200 baud ID 838 REF 1 116 REF 2 117 Message TY PE 9 NEEBISH ISLAND MI 46 19 N 084 09 W 309 KHz 200 baud ID 835 REF 1 110 REF2 111 Message TY PE 9 SAGINAW BAY MI 43 38 N 083 50 W 301 KHz 100 baud
76. 183 data sentences when set to Yes Data Input Port No Select the appropriate NMEA 0183 port that the sensor is connected to Ports 1 amp 2 for MX420 2 or Ports 1 2 5 through 10 for MX420 8 Ports 3 and 4 are reserved for the MX421 antenna controls Offset Input the appropriate offset for the sensor based on the mea Version 2 0 103 Operator s Manual Configuration surement you are most interested in If your boat draws about the same amount of water each time you use it you may want to put in the difference between the sensor and the waterline height If your boat s draught changes from one trip to another as would be the case when the receiver is used on a freight ship you may want to put in the difference between the sensor and the lowest point of the ship s hull Shallow Alarm Active allows you to receive an alarm if the sensor receives depth data lower than the limit you set in Alarm Limit below The default setting is Yes Alarm Limit allows you to specify at what depth you want an alarm to activate This alarm limit is enabled by the Shallow Alarm Active selection of Yes Alarm If No Data Allows you to receive an audible and visual alarm if NMEA 0183 data is not being received on the data port at regular intervals typically every few seconds The available choices are Yes and No default Input Sentence Specifies the NMEA 0183 data sentence to read the depth data from The available choices are Any
77. 183 records identified above are accepted for the gyro input Version 2 0 101 Operator s Manual Configuration Magnetic Select the magnetic deviation method either In Compass the de viation is corrected before being sent to the receiver or In Naviga tor the deviation is corrected by editing a deviation table Edit Table softkey in the receiver Compass Magnetic Compass Configuration Heading Deviation Heading 9 Compass connected Wes Data input port hnor 1E 1 Alarm if no datar as Compass typer Magnetic Deviation correction Gyro onpass Configuration 9 Compass connected Vaz H Data input port no1 1E Alarm if no datas Yes Compass Lyper Guro a Garoa Heading offset Input sentence Any Specify the input NMEA 0183 record for the Input Sentence HDT HDG HDM HCC HCD VHW or Any Datum Current Position Calculation This screen controls which datum the receiver uses to display any position There are over 100 datums to choose from Appendix A pro vides a complete list of available datums You can enter an offset to WGS 84 if your specific datum is not provided for in the receiver Use the Previous or Next softkeys or the cursor key to scroll through the list until you find the datum you need Press Escape to go back to the ori
78. 1s identical to IEC 1162 1 PARALLEL The perimeter of a parallel plane in the earth s ellipsoid The paral lels define latitude A special case parallel 1s the equator whose latitude 1s 0 degrees and to which all other parallels are referenced PARITY BIT A bit added to or subtracted from a binary coded message for parity checking purposes PARITY CHECK A simple statistical operation performed by the software that moni tors binary coded data being transmitted to verify that the received message 1s the same as the transmitted message PARITY CONVENTION In checking message parity refer to PARITY CHECK the soft ware may be designed to check either odd parity or even parity The choice is called parity convention either odd or even parity convention Under odd parity convention rule the binary coded message has the parity bit set to make up an odd number of mes sage bits Under even parity convention rules the binary coded message has the parity bit set to make up an even number of mes sage bits P CODE A limited access signal broadcast by the NAVSTAR satellites cur rently available only to military users PDOP Position Dilution of Precision An indicator of the accuracy in position latitude longitude and altitude See DILUTION OF PRECISION Version 1 5 209 Operator s Manual Glossary ALO PLANE PROJECTION The technique of converting the curved surface of the Earth to a flat surface to represent a
79. 3 PILOT Conmected Ho a Long Range Conmected Hog Al Long Range Conmected Ho Ext GPS Connected Hog 3 Ext GPS Connected Ho A ECDIS Ses Ns See TE H ECDIS FOrt SEG ee ie T POT FOE ananas AE 3 PILOT Forti yr SE EE gt af Long Range Ports BE i Long Range Fort sp e ae ME EES P Set nie i eg Config z _ Fassklord EhangE 3 Press the E key to start editing the AIS Static setup 4 _ The AIS Connected Port 5 No will be highlighted press the Change softkey to change it to Yes 5 Move the highlight to AIS Port Port 5 is the default port for AIS if it is not press 5 to select it 6 Move the highlight to other required setup items and enter the numeric values or press the Change softkey to toggle the value 7 Press E key when done editing the AIS Static menu More AIS Static configuration parameters are available by scrolling down using the down arrow cursor key as shown below Version 2 0 143 Operator s Manual Automatic ldentifaction System AIS Static IE Static Configuration AIS Connected Port Di MEB E ECDIS Connected Ha H PILOT Connected Ho a Lona Range Conmected Ho v d Ext GPS Connected Ha ECDIS Port H PILOT Port Long Range Port
80. 55 Als os TX SAFE VY HS Fi RE ee ia 157 AIS 6 REGIONAL AREAS ee see ese ee see ee se ee see ee eek ee ee ee 158 AIS 7 LONG RANGE LR DISPLAY ees ee see ss ee es ee ee 161 AIS 8 AIS DATA LINK STATUS ee ee ee ee ee ee ee 163 MS SEAI STAN GE EE ee a 164 AIS 10 AIS PASSWORD aiiannianaaaaaaasanaaanananaanaaanannaanaaana 165 PLOT S PMS PlOLSEIEEN vla 167 Appendix B DalUM LISI ER SE ee banka ae ies el a 168 Appendix C BEaQCON LIST sig cc ahead E EE EE GE NE AE EE 169 Appendix D Engineering Mode ii Ee ER ER Ee ee ee ee ek ee ee 163 AUX7 Unit Information amp Self Test ee ee Ee ee 183 CDU Cold Start Clearing Memory to Factory Default 185 GPS GPS CDU Troubleshooting EE ek Ee ee Hl 166 GPS3 Visible Satellite Information ee ee ee ee 166 GPS4 GPS Position Uncertainty iese ke ek ee 187 GPS5 GPS Debug SCION cisnienia a G ndan 187 MX421 Resel EE eee ee eS 190 Appendix E Dual Control Head Mode n2inaninasansnnnanannnnnnnnnnnnanaannaaa 191 Appendix F Demonstration Mode 195 Ee ls EE EE 197 yi Version 2 0 About GPS Navigation Operator s Manual About GPS Navigation A Version 2 0 This GPS receiver is a precision navigation instrument utilizing the latest technology available today to provide optimum performance from the GPS satellite and Beacon land signals
81. 7 Finally press the E key to exit the edit mode Version 2 0 47 Operator s Manual Waypoint Waypoint 48 The Waypoint Bank WPT is a single list of up to 2 000 waypoints that you store for use in the routes you create It also stores special coordinates and time through the use of the Mark or Event function key or external input or the MOB function key or external input You can also enter waypoints from other NMEA 0183 devices see CFG1 WPT amp RTE In such as plotters You can also output waypoints and routes from the CDU to other NMEA 0183 devices see CFG1 NMEA Out Rnn RTE and WPL You can input very accurate coordinates down to 18 cm in Lat Lon 0 1 min UTM or 0 1 us in TDs You can select from more than 110 Datums to store your waypoints in The CFG1 Position screen controls which coordinate reference system is used by the CDU While entering waypoints in the list is rather straight forward the software does provide some helpful features that should be mentioned before giving any examples There are six methods to view or sort waypoints gt Sort By Number displays the waypoints in waypoint numerical order starting with waypoint 0 Note You can manually alter Waypoint O to a differ ent Point of Departure if you don t want to start your route from your present position gt Sort By Name displays the waypoints by name in alphabetical order gt Sort By Type displays the waypoints by symbols numbers
82. 92 Version 2 0 Dual Control Head Mode Operator s Manual Turning Master and Slave Units Off Before turning the power off to either the master or slave unit make sure you go to the CFGI1 screen and disable the dual control function If the master unit 1s turned off while in dual control mode the slave unit will not be connected to the antenna nor display a position The unit that remains on will alarm until the data link is reestablished the unit is turned off or Dual Control is turned off Version 2 0 193 Operator s Manual Dual Control Head Mode 194 Version 2 0 Demonstration Mode Operator s Manual Appendix F Demonstration Mode This enables the CDU to function as though you are under way even though you are completely stationary The default setting 1s No When set to Yes all three Traffic Lights will be illuminated and a D symbol 1s displayed in the upper left corner of every display Generally speaking this feature 1s used by Leica and your dealer for show room or trade show demonstrations However you can use it as a training tool until you become familiar with the CDU You can also use it to output NMEA 0183 records on the data ports to test and demonstrate other devices such as autopilots chart plotters and radars Remember display ves 4 Navigation Remember displau Yest Edit Limeoutz Hone J NMEA out 1 Edit tineout1s None Preceding zeroes
83. 98 5 kHz 200 Baud ID 492 ZEVEN 53 17 09 15 303 5 kHz Range 154n m ICELAND REYKJANES 63749 N 22742 E 293 5 kHz 100 baud ID 411 BJARGTANGAR 65 30 N 24 33 P W 300 0 kHz 100 baud ID 412 SKAGATA 66 07 N 20 06 W 289 0 kHz 100 baud ID 413 RAUFARH FN 66 27 N 15 27 W 289 5 kHz 100 baud ID 414 DJUP IVOGUR 64 39 N 14 16 W 291 0 kHz 100 baud ID 415 SKARDSFJARA 63 31 N 17 59 W 287 0 kHz 100 baud ID 416 IRELAND LOOP HEAD 52 34 N 09 56 E 293 0 kHz Range 150 n m MIZEN HEAD 51 27 N 09 48 E 284 0 kHz 100 baud 1D 430 REF 1 660 TORY ISLAND 55 16 N 08 15 E Versio 1 5 Beacon List Ooerator s Manual 288 5 kHz 100 baud ID 435 REF1 670 WICKLOW HEAD 52 58 N 06 00 E 306 5 Range 150 n m ITALY C FERRO 21 09 N 09 3 PE 298 0 kHz Range 150 n m S MARIA D LEUCA 3947N 18 22 E 292 0 kHz Ragne 150 n m S VITO LO CAPO 3871 VN 12944 E 306 5 kHz Range 150 n m TRIESTE 45 41 N 13 46 E 284 5 kHz Range 150 n m VIESTE 41 5FN 161 PE 292 5 kHz Range 150 n m JAPAN TURUGI ZAKI 35 08 N 13940 E 309 0 kHz 100 200 baud Version 1 5 ID REFI REF2 DAIOH ZANI 34 16 N 136 54 E 288 0 kHz 100 200 baud ID REFI REF2 Names Unknown 45 31 N 141 56 E 295 0 kHz 100 200 baud ID REF1 REF2 40 00 N 144 18 E 309 0 kHz 100 20
84. CDU Zone 0500 7 M L Me 52 Ki ZA 9 O30 261 023 273 Z68 DOT 274 O07 Hl A diurnal 1 6 diurmal Seasonal change f4 Fa D D 000 Fixed ace SOMBRERO CAY Her 2 Him 2 H 9 f Fg in Mean Level 0 000 THE Then simply follow along the table in the manual and enter the appro priate offsets The software 1s setup Just like the manual You may encounter a table that requires seasonal offsets Where these might apply the CDU provides you the opportunity to input a Fixed value or the seasonal Table values Select the first softkey to toggle between these two selections Use the second softkey Edit Table to make the necessary corrections Press the Done softkey when you finish the seasonal table otherwise press the E key when the necessary data 1s entered You can scroll through the entered tables with the up and down cursor keys when you are not in the edit mode You also always have the option to modify or delete a port from the list Tide table information is mapped to an area of RAM which is saved during future software upgrades Version 2 0 AUXILIARY Operator s Manual Auxiliary There are seven Auxiliary screens described in this section AUXI Alarm Log AUX2 Speed Graph AUX3 Not Used AUX4 Sun Almanac AUX5 Moon Phases AUX6 Batteries AUX7 Unit Information AUX1 Alarm Log All alarms are registered in this screen whether or not they have bee
85. COS 02 29 N 44 18 W 300 5 kHz 100 baud S O TOM 22 02 32 3 5 41 03 10 7 W 300 0 kHz 100 aaud ID 465 BULGARIA CAVARNA 43 25 N 28 22 E 300 0 kHz Range 100 n m CANADA GREAT LAKES POINT PETRIE 43 50 N 77 09 W 303 0 kHz 100 baud ID REFI REF2 PORT WELLER 43915 N 79 13 W 302 0 kHz 100 baud ID REP2 SOMBRA 42 43 N 82 29 W 306 0 kHz 100 baud ID REP2 TROIS RIVIERES 4623 N 71227 W 321 0 kHz 100 baud ID 928 REF1 314 Version 2 0 Beacon List Operator s Manual REF2 315 LAUZON 46 48 N 71 09 W 314 0 kHz 100 baud ID 927 REF1 316 REF2 317 ST JEAN SUR RICHELIEU 46 19 N 73 18 W 308 0 kHz 100 baud ID 929 REF1 312 REF2 313 WIARTON 44 42 N 8 1 08 W TBA kHz 100 baud ID 918 REF1 310 REF2 311 EAST COAST Planned HALIFAX 44 40 N 63 36 W TBA kHz 200 baud ID 938 1 328 REF2 329 EAST POINT 46 27 N 61 58 W 314 0 kHz Version 2 0 100 baud 1D 937 REF1 330 REF2 331 RIVIERE DU LOUP 47 45 N 69 36 W TBA kHz 100 baud ID 926 1 318 REF2 319 MOTISIE 50 12 N 66 07 W 314 0 kHz 100 baud 1D 925 1 320 REF2 321 PT ESCUMINIAC 41 40 N 64 47 W TBA kHz 200 baud ID 936 1 332 REF2 333 CRANBERRY ISLAND 45919 N 60955 W 286 0 kHz 100 baud 1D 934 REF1
86. G1 menu under Navigation You will notice that the cross track error limit lines are slanted just as they were in the Panorama screen So if the boat is off to the right of the course and the bow is pointing straight up you are actually traveling away from the course line Keep the bow pointed toward the top of the course line and you should be able to maintain your course without a lot of drift The BRG and COG values will confirm this for you when executed properly Version 2 0 Navigate Operator s Manual HAV 2 RL 172 014 172 From time to time you might drift off course and decide not to return to your original course line If you drift outside of your cross track error limit you can reset your course line from your present position to the waypoint by pressing the E key and selecting Reset XTE from the display This will save your autopilot from having to work hard to get you back on course Press the E key again to get back into normal display mode In addition if you decide you want to skip this waypoint and go on to the next one Press the E key and the Skip Waypoint softkey one time Press the E key to end this procedure If you skip one waypoint manu ally and the CDU starts skipping more waypoints by itself you prob ably need to change your Waypoint Pass Criteria in the CFG1 Navi gate menu Refer to the Route section of this manual for more details about skipping waypoints J
87. Ge n 34 Insert New Waypoint annzannannnannnnnnannnnnnnnnnnnnnnnnnnnannannannnanana 36 MST ale ORE N EE AE EE 37 ii Version 2 0 Table of Contents Operator s Manual Maneuvering Within the Route aiinnz nn nsansanaannannannanaanaana 38 SCTONMO si 38 Skipping Unpassing Waypoints 38 Inserting Waypoints or Routes into an Existing Route 39 Reversing the Active Route aiiaiianiansansansansannannanaanaa 41 EIA Sel a 43 SOG Based on Arrival Date amp Time aiiaininissinsaniani 44 ETA Based on Speed RE ee N es 44 RTE2 Hie Route Bank ES N a ee 44 AIZEN 47 Creating and Editing Waypoints iaiinnnzansaaasannanannannanaannana 48 Waypoint LOCK ONIOCK sila ss rr a usted de 53 Removing Waypoints aaniaaaaaaaaanaanannnnnnnnnnnnnnnnnannannannannananana 55 MOVING WAYPOINTS si upsan ae EE De GE N lon 57 Downloading Waypoints amp Routes to Other Devices 58 KINI ROOS Ee a a 59 RTE Active Route ainaanaaaaanaanaanannnnnnnnnnnanuannannannannanni 59 WPL Waypoint Location NMEA 0183 Standard 60 WPL Waypoint with Symbols amp Description NMEA 0183 EX PANO COs EE aires 61 Downloading Waypoints to a Personal Computer 61 Uploading W
88. HEADING TO STEER The angle of track required to steer the vessel or vehicle from its present position to its planned destination point This angle dif fers from heading which is its present angle of track with respect to true north HEALTH See SATELLITE HEALTH Version 1 5 205 Operator s Manual Glossary 2106 IEC International Electro technical Commission IMO International Maritime Organization INCLINED PLANE A geometric surface that is tilted with respect to another arbitrary reference plane for example the Earth s equatorial plane INITIALIZE To enter constants into the navigator to enable it to start position ing and or navigating accurately INTERFACE Electronic circuits that permit the passage of data between differ ent types of devices For example the speed and heading interface circuit permits data from a speed log and compass to pass to the navigator processor IONOSPHERE A layer of ionized air about 80 kilometers 50 miles above the earth s surface IONOSPHERIC INTERFERENCE Distortion imparted to a broadcast radio signal as it passes through the ionosphere ITDMA Incremental Time Division Multiple Access Access protocol for pre announced transmissions of temporary or non repeatable character It is also used during data link network entry ITU International Telecommunication Union KALMAN FILTER A software routine that produces the navigation solution see NAVI GATION S
89. Hardware 5 E PCB nos 00110259 F Version 1 314 PCB no 00110259 A Beacon recs DGPS E Build Jun 15 2001 H Beacon recs 3 GFS Channels 1Z2E IE 10 43 15 amp GPS Channels 12 5 Madzlsud 2d s1 bod Ene levels 5 Mx421 v4 84 21 b2 49 MX420 2 AUX7 Screens This also activates several engineering screens the same as turning Engineering Display to Yes in CFG1 Operation Refer to Appendix C Engineering Mode for more details 90 Version 2 0 Position Operator s Manual Position There are three POS screens in the CDU The POS functions are highly interactive with a number of CFG1 menu selections The following CFG1 menus directly impact the POS functions gt COG SOG sets the filtering time for the displayed values gt Datum sets the reference datum for your present position gt DGPS sets the internal or external control for RTCM SC 104 cor rections which affect your position accuracy gt GPS sets an offset for calculating the GPS antenna position if you can t physically locate the antenna exactly where you want it i e over the centerline of the boat sets the minimum elevation angle to look for satellites and in 6 channel models it also controls the satellite selection process gt Navigation sets a variety of important functions and alarms used in other function screens but only the Range units nautical miles Nm nautical miles and meters Nm mtrs
90. ID 837 REF 1 114 REF2 115 Message TY PE 9 UPPER KEWEENAW MI 41 14 N 088 37 W 298 KHz 100 baud ID 831 REF1 102 REF2 103 Message TYPE 9 WHLEEFISH POENT Tol Operator s Manual Engineering Mode MI 46 46 N 084 57 W 318 KHz 100 baud ID 834 REF 1 108 REF2 109 Message TYPE 9 ST LOUIS M 38 37 N 089 45 W 322 KHz 200 baud ID 862 REF 1 154 REF2 155 Message TY PE 9 VICKSBURG MS 32 20 N 090 55 W 313 KHz 200 baud ID 860 REF 1 150 REF2 151 Message TY PE 9 FT MACON NC 34 42 N 76 41 W 294 KHz 100 baud ID 807 REF 1 014 REF 2 015 Message TY PE 9 PORTSMOUTH HARBOR NH 43 04 N 70 43 W 288 KHz 100 baud ID 801 REF 1 REF 2 002 003 Message TYPE 9 SANDY HOOK NJ 40 28 N 074 00 W 286 KHz 200 baud Site ID 804 REF 1 008 REF2 009 Message TY PE 9 WILDWOOD NJ 38 57 N 074 5 1 W 301 KHz 200 baud ID 111 REF 1 038 REF2 039 Message TY PE 9 MONTAUK POINT NY 41 04 N 071 52 W 293 KHz 100 baud ID 803 REF 1 006 REF 2 007 Message TY PE 9 YOUNGSTON NY 43 14 N 078 58 W 322 KHz 100 baud ID 839 REF 1 118 REF2 119 Message TY PE 9 SALLISAW OK 35 22 N 094 49 W 299 KHz 200 baud ID 866 REF 1 None REF2 None Message TY PE 9 FT STEVENS OR 46 12 N 123 57 W 287 KHz 100 baud ID 886 REF 272 REF 2 273 Message TY PE 9 ISABEL
91. IONAL AREAS Two VHF and one DSC receiver channels have been designated for AIS use world wide These frequencies are e AIS 1 Channel 87B 161 975 MHz 2087 e AIS 2 Channel 88B 162 025 MHz 2088 e DSC Channel 70 156 525 MHz Under normal masterless operation the MX423 AIS transponder operates autono mously with other ships or AIS base stations using the AIS amp 2 frequencies When entering areas controlled by a competent authority 1 e Coast Guard under Vehicle Tracking System VTS rules the MX423 AIS transponder can be polled and controlled by the VTS station In this situation data communication between ship to ship and ship to shore stations are done through the DSC frequency chan nel 70 All VTS related activities are happening without any user intervention The controlling VTS base station schedules all ship s data transmission and pro vides the regional parameters shown in AIS 6 display such as e Operating frequency bandwidth and mode of Channel A amp B receivers e Northeast and Southwest corner coordinates of the region e Zone size e Date and time tag These parameters are stored in the memory bank of the AIS transponder and can be displayed in the MX420 AIS CDU Up to eight regions can be stored by the transponder The AIS constantly checks the stored region boundaries and com pares it to its own position If the distance to the region boundaries is greater than 500 miles from its own position or the
92. LA PR 18 28 N 067 04 W 295 KHz 100 baud ID 817 REF 1 034 REF 2 035 Message TY PE 9 CHARLESTON SC 32 45 N 079 5 1 W 298 KHz 100 baud ID 808 REF 1 016 REF 2 017 Message TY PE 9 MEMPHTS TN 35 28 N 090 12 W 310 KHz 200 baud Version 2 0 Engineering Mode Operator s Manual Appendix D Engineering Mode The Engineering Display which is activated in CFG1 Operation en ables an expanded series of display screens in some of the functions In general these screens are used by the technician during trouble shooting or by Leica engineers during testing and software debug ging This section describes what information is relevant to you or the information we need to help you troubleshoot your MX420 Note Information which is not described here is un supported which means Leica will not expand or provide any more information than what is provided in this manual If you should enable these screens they will be turned off automati cally the next time power is cycled on the MX420 AUX7 Unit Information amp Self Test When the Engineering Display 1s active the AUX7 screen adds one line of detail to display the engineering level that is turned on F UHIT THE ORMATIOH UHIT IHF ORMATIOH LEICA M 420 08 t z001 Leica Inc All rights reserved Hardware Software Harduwaret SH PCE oo1inese Hu A PCE 00110259 A Bescon rec CSI E Beacon rec
93. MIRYUKSKLY 1 45 20 N 3 TIFE 285 0 kHz Range 110n m TEMIRYURSKLY 2 45 20 N 3 TIFE 303 5 kHz Range 110 n m TONKY 69 51 N 61 07 E 303 5 kHz Range 110n m TYSP NAVOLOKSKY 69 44 N 33 06 E 315 0 kHz Range 110 n m SPAIN CABO DE GATA 36 43 N 02 11 W 298 5 kHz Range 97 n m CABO DE LA NAO 38 44 N 0014 E 297 5 kHz Range 97 n m CABO DE PALOS 37 38 N 00 41 W 302 0 kHz Range 97 n m CABO FINISTERRE A2753 N 09 16 W 296 0 kHz Range 97 n m CABO MACHICHACO 43 27 N 02 45 W 285 0 kHz Range 97 n m CABO PENAS 43 39 N 0595 1 W 295 0 kHz Range 97 n m CABO SALOU 41 03 N 01 10 291 0 kHz Range 97 n m CABO SAN SEBASTIAN 41 57 N O3712 E 313 5 kHz Range 97 n m CALA FIGUERA 3927 N 02 317E 294 5 kHz Range 97 n m CASTELLON 39958 N 009017 E 286 0 kHz Range 97 n m ESTACA DE BARES 43 4T N 07741 W 293 0 kHz Range 97 n m LA ENTALLADA 28 13 N 13 56 W 284 0 kHz Range 111 n m Version 2 0 Beacon List Operator s Manual MAHON 39 52 N 04 187E 293 0 kHz Range 97 n m MALAGA 36 43 N 04 25 299 0 kHz Range 97 n m PUNTA ROSCA 28701 N 16 33 W 285 0 kHz Range 111 n m PUNTA LLOBREGAT 41 919 N 02 288 5 kHz Range 97 n m PUNTA SILLA 43 24 04 25 W 289 0 kHz Range 97 n m ROTA 36 38 N 06 23 W 303 5 kHz Range 97 n m TARIFA
94. MX420 Navigation System Operator s Manual MX420 2 GPS DGPS MX420 8 GPS DGPS MX420 BR MX420 BRIM MX420 MKD MX420 AIS DGPS IMPORTANT NOTICE THE MX420 IS AN AID TO NAVIGATION ONLY UNDER NO CIRCUM STANCES SHOULD IT BE USED IN LIEU OF AUTHORIZED GOVERN MENT CHARTS ITS ACCURACY CAN BE AFFECTED BY MANY FAC TORS SUCH AS EQUIPMENT DEFECTS ENVIRONMENTAL CONDI TIONS OR IMPROPER OPERATION THE USER IS RESPONSIBLE FOR SAFE NAVIGATION OF THE VESSEL THIS INCLUDES CON SULTING AUTHORIZED GOVERNMENT CHARTS AND EXERCISING COMMON PRUDENCE AND NAVIGATIONAL JUDGEMENT AT ALL TIMES Product Information The model and serial number of your instrument are given on the instrument Enter the model and serial number in the spaces provided below Always refer to this information when you contact your dealer MX420 CDU Serial No MX421 GPS Antenna S N MX525 GPS Sensor S N Copyright March 2003 Doc P N 3508 102 70040 Symbols Used In This Manual y gt gt D Danger Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Warning Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury and or appreciable material finan cial and environmental damage This symbol is also used t
95. OLUTION KEY LOCK Disabling the E key so that data entries cannot be inadvertently made Versio 1 5 Glossary Operator s Manual LED Light Emitting Diode LEG One of the segments in a route LEEWAY The leeward drift of the vessel from the true course due to wind LOCAL TIME ZONE The time zone see TIME ZONE in which the navigator is located LOCAL TIME ZONE OFFSET The number of hours by which the local time zone differs from Universal Time Coordinated LORAN C TIME DIFFERENCES TDs The phantom Loran C Time Differences used in the navigator are based on mathematical models Local deviations in propagation speed and Additional Secondary Factors ASF are not included in the algorithm The calculated positions may therefore differ from positions obtained when using a dedicated Loran C receiver by several hundred meters MAGNETIC DEVIATION The error introduced into the steering compass reading by nearby ferrous metal mass distorting the earth magnetic flux field surround ing the compass MAGNETIC HEADING Direction as sensed by the steering compass in relation to mag netic north MAGNETIC NORTH Direction in the plane of the observer s horizon toward the earth s north magnetic pole Version 1 5 207 Operator s Manual Glossary 208 MAGNETIC VARIATION The angle by which magnetic north varies from true north at any given point on the earth s surface This value is automatically added to the magn
96. S Port Use the Change SOftkey to select the serial port to which the device is con nected AIS Port is pre selected to NMEAS Long Range Communication port is NMEA 6 ECDIS is on NMEA 7 and the Pilot port is on NMEA 9 ECDIS and PILOT Msg Config Use the change softkey to select between IEC or PAIS protocol for the com munication standard used with the associated device Long Range Reply Use the Change softkey to select between AUTO Manual or Off In Manual mode the user is prompted to reply to the Long Range system when interro gated In Auto mode the MX420 AIS automatically sends a reply when interrogated In Ext Appl External Application mode the MX420 AIS passes the request onto the high speed ports ECDIS amp Pilot and waits for their response to prepare answer back to long range system Password Level available only in SAAB transponder type selection Use the change softkey to select between User or Administrator Changing parameters related to the AIS transponder will require the administrator pass word Editing the following transponder settings below requires the admin istrator password MMSI A 9 digit Maritime Mobile Service Identity number used for identification of ship and message administrator password required Note When editing any transponder setup items use the administrator password Ship Enter a 20 character vessel name administrator password required The symbol
97. UHIT IHFORMATIOH E UHIT IHFORMATTI OH Keulight test Keyboard tupe OK Traffic light 1 Contrast 3 Back light 1 Key light Baseband 3 E2ROM q Clock 184 Upon completion of the above tests a Test Results screen will be displayed In addition to the visual tests which you witnessed the CDU also performs background tests on the program memory FLASH ROM and the real time Clock These tests check about 90 of the Version 2 0 Engineering Mode Operator s Manual CDU The items which it does not check are the input and output ports the GPS and Beacon receivers in the antenna If one of the background tests fail you can try clearing the CDU s memory to see if the problem will clear However when you clear the memory also known as a Cold Start you will erase all waypoints and configuration settings A cold start sets the CDU back to factory de fault settings Otherwise record the failure s and contact your dealer or Leica to arrange for service or repairs It 1s possible but unlikely that a cold start will correct other failures noted during the selftest Leica will need the CDU serial number from the rear panel and the Software Version number to help you further Press the E key when you are finished viewing the results CDU Cold Start Clearing Memory to Factory Default Version 2 0 When you Cold Start the CDU you will erase all of your waypoints and configuration settings
98. Use AIS Primary External GNSS In Use AIS Backup DGNSS In Use Beacon AIS Backup DGNSS In Use Msg 17 AIS Backup GNSS In Use AIS Primary External SOG COG In Use AIS Backup SOG COG In Use AIS HDG Data In Use AIS ROT Data In Use AIS Other ROT Source In Use AIS Channel Management Parameters Changed AIS Secondary External DGNSS In Use AIS Secondary External GNSS In Use AIS Secondary External SOG COG In Use AIS UTC Clock OK AIS Boot Sequence In Process Table A 3 AIS 9 Display Messages 164 Version 2 0 Automatic Identification System Operator s Manual AIS 10 AIS Password This screen is available when the transponder type is SAAB in the AIS Cinfig display For security purposes two authorization levels are provided in the MX420 and SAAB transponder namely e User default password user e Administrator see password card for default password The user level can control most of the AIS Static setups except for the MMSI Ship Name Call Sign and IMO These settings are critical to the proper operation of the AIS system and will require an administrator password when editing The AIS password is printed on a tear off page located at the end of this manual Use the default administrator password after installation to enter the ship s name IMO MMSI call sign default power and transmitter A amp B modes Please detach this page and store it in a safe place for security You will need t
99. VDOP Vertical dilution of precision EARTH FLATTENING COEFFICIENT See COEFFICIENT OF EARTH FLATTENING ECDIS Electronic Chart Display and Information System Version 1 5 201 Operator s Manual Glossary Ede EDIT To modify existing display data via the keyboard EDIT MODE The state in the navigator where it is possible to enter or change data EDIT MODE is accessed by pressing the E key Press the E key once more to ENTER the data into the memory and leave EDIT MODE ELEVATIONANGLE The angle made by the line of sight range to the satellite and the horizontal plane of the navigator antenna Thus the elevation angle is 90 degrees when the satellite is overhead and 0 degrees when it first appears on the horizon Satellites whose maximum elevation angle is less than 5 degrees are not good candidates for providing an accurate position latitude and longitude update ELLIPSOID A spheroid whose north south axis is shorter than the east west axis oblate spheroid ENTER To store data in the memory of the navigator EPHEMERIDES Singular EPHEMERIS Tabulations of accurate data describing celestial position and health of the satellites over a 24 hour period The data is uploaded to the satellites every 12 hours ETA Estimated Time of Arrival Calculated on basis of the distance to the destination and the current or estimated speed FATDMA Fixed Access Time Division Multiple Access Data link access protocol used b
100. Windows Terminal do the following from the Program Man ager 1 Connect the CDU s port 2 RS 232 port to the PC s communications port Refer to the Installation amp Service Manual On the CDU press the CFG key until CFG1 screen is displayed Scroll down the menu to WPL Input Press the E key Set the Transducer Connected to Yes Set the Data Input Port No to 2 Press the E key Po St OY ge On the computer double click on the Accessories icon Version 2 0 65 Operator s Manual Mark or Event 9 Double click on the Terminal icon 10 Click on the Settings menu 11 Double click on the Communications menu item and make the fol lowing settings 4800 baud 8 data bits 1 stop bit Parity none Flow Control none Connector Com1 or Com2 depending where the external interface 1s Parity Check blank Carrier Detect blank OK 12 Click on the Transfers menu 13 Double click on the Send Text File menu item and make the follow ing settings selectthe correct file name txt select the correct location folder for the file check the Append LF box OK 14 When all the waypoint sentences are sent press the WPT key and scroll through the list to ensure all the waypoints transferred prop erly 66 Version 1 5 GOTO Operator s Manual Mark or Event This function key stores your present position date and time at the next available waypoint location in the Wayp
101. ame or in different form See also SENSOR TRIP LOG In the navigator an easily resetable sum log that accumulates the distance sailed over ground based on the GPS signals See also GPS LOG TRUE HEADING Direction in relation to true north True heading is compass head ing corrected for MAGNETIC DEVIATION and VARIATION The true heading used by the navigator for navigation calculations 1s a composite of magnetic heading input from the NMEA compass magnetic variation as calculated by the navigator and the values entered into the compass deviation table TRUE NORTH Direction along the meridian of the observer to the north pole TRUE WIND ANGLE TWA Similar to APPARENT WIND ANGLE but compensated for the motion of the vessel TWA and AWA are equal if the vessel is not moving TRUE WIND DIRECTION TWD The direction of the wind over ground expressed as an angular distance from north clockwise through 360 TRUE WIND SPEED TWS The wind speed relative to either ground or water rather than to the moving vessel UNCERTAINTY In the navigator an indication of the expected accuracy expressed as the radius of a circle around the calculated displayed position The uncertainty is expressed in meters or feet The calculation of uncertainty is based on the HDOP value UNIVERSAL TIME COORDINATED UTC Greenwich mean time corrected for polar motion of the Earth and seasonal variation in the Earth s rotation UPDATE See
102. and broadcast it to all AIS equipped vessels or address it to a specific station OUTPUT CHHL AUTO SELECT 7 MODE ADDRESSED H TEXT STRING MMSI TOGGLE TOGGLE CHHL MODE OUTPUT CHHL AUTO SELECT 7 MODE ADDRESSED TET n TEXT STRING MMSI AMIT FEOFLE Display Field Descriptions OUTPUT CHNL This field specifies which channel is to be used for sending the safety message User can scroll through four different settings The data displayed in this field can be altered by pressing the E key then press the hac softkey repeatedly to toggle through 4 choices namely Auto Se lect Channel A Channel B or Both A amp B Default value is Auto Select MODE This field shows whether the message is to be output to a specific MMSI addressed or output to all MMSIs broadcast Pressing the softkey will select either ADDRESSED or BROADCAST TGT This field gives the short target number which is directed to the appropri ate MMSI MMSI This field indicates the MMSI number related to the target TGT number selected to send the text message TEXT String Enter the text message to be sent using the alphanumeric keypad Softkey Descriptions The softkeys can be displayed by pressing the E key first 156 Version 2 0 Automatic Identification System Operator s Manual Each time this soft key 1s pressed the transponder channel selection 1s changed The following values are availa
103. ange of waypoints enter the first and last waypoint numbers to move on the First WPT Number and Last WPT Number Keep in mind that the CDU will sort these waypoints numerically and all waypoints between the entered numbers will be moved to the new location Enter the waypoint number where you want the first waypoint moved to in Destination WPT Number Version 2 0 Wavpoint Operators Manual LIHYEPOIHT S LIHYEPOIHT SE 1 Enter range and start desti Enter range and start desti nation for WET to be moved i nation for WPT to be moved aj First wet numbern 100 First wet numbern 101 Last wet numbertu 120 Last wept HUMBER 120 Destination wet numbers Destination wet numbers EI ie EI 3 Escape If the destination waypoint number is already being used you will be prompted to either overwrite the first waypoint Yes and each subsequent waypoint that is to be overwritten confirming each waypoint one at a time overwrite all the waypoints Yes To not overwrite any waypoints No or Escape back to base softkey menu WA YPOLATS Enter range and start desti PT nation for UPT ta be moved Waypoint 15015 part of route Do you want to overwrite it 7 150 52 58 9950 af First wet HUmbern 171 1 Last upt HUMBER 140 Destination wet namber 150 a EER nl TT f
104. arch by user defined string This 1s a great tool if you can t remember where you stored the waypoints you want to use gt Insert New Waypoint allows you to define new waypoint coordi nates define a waypoint by using Bearing and Distance from an existing waypoint and enter them into the route and the Waypoint Bank at the same time gt Insert Route allows you to copy a previously defined route in the RTE2 screen to the active route This choice is only displayed when one or more routes are defined in the RTE2 screen Our experience has shown that you are likely to choose several of these methods at any given time to create a route You can mix any of these routines to create routes amend routes or insert waypoints in the middle of existing routes The software is designed to be as flexible as possible to meet your changing needs Be sure to take a few minutes to read through the Plotter section to find out how you can modify the active route using the Plotter and GOTO functions The following four sections are examples of how to use each of the four basic functions outlined above We encourage you to experiment using all of the methods available to find the one or two or three that best meets your needs As long as you are working in the RTE screen and sitting at the dock you are not going to do any damage e g erase waypoints in the Waypoint Bank or routes in the Route Bank so have some fun and find out how helpful thi
105. ation 1s programmed into the unit at commissioning Voy age related data is entered manually by the master through a password pro tected routine Safety messages can be inserted at any time by the ship or shore station The static and voyage related data are transmitted every six minutes when amended or on request for instance when interrogated by a Vessel Traffic System operator Safety messages are sent as needed The update rates for dynamic information will depend on the ship s status and speed according to the following schedule At anchor 3 minutes 0 14 knots 10 seconds 0 14 knots and changing course 3 3 seconds 14 23 knots 6 seconds 14 23 knots and changing course 2 seconds 23 knots 2 seconds 23 knots and changing course 2 seconds The AIS specifications also allow for insertion of brief binary messages from ships or shore stations Such messages might include notices to mariners navi gational warnings tides and currents weather forecasts SAR communications and ship specific instructions from a VTS operator The AIS standard also in cludes formats for transmission of differential GPS error correction data This can provide valuable redundancy to existing beacon DGPS systems in critical navi gation areas Version 2 0 Automatic Identification System Operator s Manual MX420 AIS the Total Shipboard GPS DGPS AIS Solution There are two MX420 AIS models namely e MXA20 AIS Basic and e MX420 AIS Navigation System Th
106. ats equipped with AIS that are within the display resolution will be shown Each boat icon has an index number next to it corresponding to the target number shown in the AIS2 Remote Ship List display The boat icons are oriented according to their heading The boat in the center of the screen is your ship To zoom in press the 57 M CALLSGHN Betas f pn JHDG290 ROT 2 es COGz295 50 5 0 Ta R 211 Softkey Description SES This softkey enables the user to quickly view information for the next target In addition to the ship identification data the range and bear ing from your ship to the target is also calculated This softkey enables the user to quickly view information for the previ ous target coro This softkey enables the user to quickly access information for a spe cific target in the list by entering its ID number It gives access to information from all vessels in the database The displayed vessels are the same ones listed in the AIS2 Remote Ship List display The MKD will not accept invalid targets or targets for which there is no information Zoom In ES Zoom Out Plot 3 Icons Class A or B vessel mm Base Station Search and Rescue SAR Ba Aids to Navigation Version 2 0 167 Operator s Manual Datum List Appendix B Datum List The receiver supports more than 100 datums Table A 1 provides the names and abbreviations for these
107. aved by the Mark or MOB functions 9 Then press the E function key to end editing You can press the E key when you finish editing a waypoint This is treated the same as pressing the Done softkey Pressing Done allows you to continue editing and entering other waypoints Version 2 0 5 35 O erator s Manual EM 33742 5818 BE LIHYFOIHT SE EM 33942 5812 W 13 16 1172 5 259 2170 ti 52592170 4 56 9260 _ Entered Ed ond L H Hake Edit Lack Make kr Em Unlack UPT this WET PEM his UPT Maren nev N d this MET Hore Waypoint Lock Unlock Locking a waypoint forces the user to consciously unlock the waypoint before it can be modified and prevents the waypoint from being over written when waypoints are being input over the data port Note that when a waypoint received on the data port has the same waypoint number as a locked waypoint already stored in the CDU the waypoint data received on the data port 1s disregarded and lost Waypoints are locked by one of three methods 1 selecting Lock this WPT when in the waypoint bank edit mode for a particular waypoint 2 selecting Lock this WPT when in the waypoint bank edit mode or 3 incorporat ing a waypoint into a route stored in RTE2 and then locking the route Waypoints that are locked from the waypoint bank are indicated by a closed padlock in the display Waypoints that are party to a locked route will displ
108. ay a message indicating that waypoint can not be modi fied To Lock a Waypoint 1 Select the WPT key until the WPT1 screen is displayed 2 Move the cursor to the desired waypoint 3 Press the E key ntered Tun 2 2001 Edit this Renoye alan this WFT fr 54 Version 2 0 Waypoint Operator s Manual 4 Press the Lock this WPT softkey 5 Press the E key To Unlock a Waypoint 1 Select the WPT key until the WPT1 screen is displayed 2 Move the cursor to the desired waypoint 3 Press the E key 52959 0532 0300 i i PT Remove his PT Hore new WPT this IPT 4 Press the Unlock this WPT softkey 5 Press the E key If you simply want to modify the waypoint Edit this WPT will be displayed on the bottom left of the screen To Lock all Waypoints 1 Select the WPT key until the WPT1 screen is displayed 2 Move the cursor to the desired waypoint 3 Press the E key 4 Press the More softkey 5 Press the More softkey again EM 33742 5818 6 Press Lock all WPT softkey 7 Press the E key Version 2 0 55 Operator s Manual Waypoint To Unlock all Waypoints 1 Select the WPT key until the WPT1 screen is displayed 2 Move the cursor to the desired waypoint 3 Press the E key 4 Press the More softkey 5 Press the More softkey again
109. aypoints from Other Devices aiiainnnnia saannan 63 Uploading Waypoints from a Personal Computer 64 ie EE AE OE EE R ENE R N EE 70 PEOT 1 Relalive lo BOGE Eie ER a 72 Modifying the Active Route Using the Plot Screen 72 Customizing the Display i e ESE EE SE N ES Ge GR Ee 74 Version 2 0 Diri Operator Manual Table of Contents PLOT 2 Relative to Marker ax ain aanaannannnnnnnnnnnnnnnnannannannannanna dd FEOT tay ere ned EE A EE DE De Se De dd Plot Screen Use Examples SR ES N GR EN as ee 78 Slan KOPINI ss IE Ee el R 78 Grid SEMC PV 79 C Ma Over Board SE ER ee a En 80 Reme MOB 2775 EE OE 81 ER EE RE EN EE EE EE OE HE ER 82 TIDET Current Tide Display ie EE EE EE Ee EE Re EE Ee ee ee ee 82 TIDE2 Tide Table Port List iese see ee ee Ee ee EE RR ee Ee ee ee 83 Adang a PON se RR a 85 EE a HE AE a EE s DEE 87 AU P arm OO SR ee ana 87 AUXKZ2 Speed Clap EER EE EE a a ah 88 AUKIsNOL Used mi EE 88 ALKASSUNAINARAG aba RE SG GR EE Ee r zl 68 AUS Moo PHASE DE s s lak 69 AUNXO BallelleS ES BEE Ee r l ee DE 69 AUXT Unit Information ee ee ee Ee ER ER Ee Re RR ee ee ee ee ee 90 ae EA 91 POS1 Position Display Large 2xiiaanaannsnnnannannnnannannnnanaanna 91 R 92
110. ble AUTO SELECT transponder determines on which channel to broadcast the information CHANNEL A broadcast on channel A only CHANNEL B broadcast on channel B only BOTH A amp B broadcast on both channels This softkey toggles the output mode between ADDRESSED or BROAD CAST When addressed is selected the MMSI number will be displayed automatically when the TGT number is specified pri Pressing this softkey sends the text message to the transponder for broad casting Show more softkeys Pressing this key sends number of people specified in the AIS Voyage setup to the transponder HMT Pressing this softkey commands the transponder to send the Height Over Keel as set in the AIS Static configuration screen Shows the previous softkeys Note Don t forget to press the E key to exit the editing mode Version 2 0 Operator s Manual Automatic ldentifaction System AIS 5 TX SAFETY LIST This display allows you to scroll through the safety messages you transmitted under the AIS 4 TX SAFETY MSG display SHFETSYV LIST TEAHSMIT TIME MODE Display Field Description Transmit Time Time the message was transmitted Mode Whether it was addressed or broadcast Message Field Softkey Description NEXT i neg View next message PRELU 1 1 View previous message 158 Version 2 0 Automatic Identification System Operator s Manual AIS 6 REG
111. cally before the waypoint is reached See also VELOCITY MADE GOOD WAYPOINT PASS CRITERIA The criterion by which the navigator determines the passing of a waypoint The criterion is selected in CFG 1 Navigation WCV See WAYPOINT CLOSURE VELOCITY WORLD GEODETIC SYSTEM WGS Worldwide datums WGS 72 and WGS 84 used for satellite naviga tion systems The main difference between WGS 72 and WGS 84 is a small eastward shift The resulting difference in position will normally be 0 01 minute of longitude which will not be noticeable on charts of scale 1 50 000 or smaller You may thus use the WGS 84 Plus Offset datum with charts marked with a WGS 72 offset All charts will eventually be converted to WGS 84 datum X TRACK ERROR XTE See CROSS TRACK ERROR IPPS One Pulse Per Second A timing signal generally provided by GNSS receivers How Are We Doing Please Help Us To Help You And Our Other Valued Customers By sending us your evaluation of this manual We need to know such things as gt Isthe manual complete or do you need more or less information gt Can you find the information you need easily gt Is the information easy to understand or could we be clearer gt Are there any errors and if so where and what are they Be sure to reference the title and identification number of this manual Operator s Manual P N 3508 102 70040 and include your name address and telephone number We look for ward to
112. cape Insert Sort by Search Done 6 When you have found the waypoint you want press the Insert this WPT softkey 36 Version 2 0 Route Operator s Manual 7 9 When you are finished press the Done softkey to get back to the main menu You can then choose to select another waypoint using the same method select Escape to go back one level and use another method to enter waypoints or select Done do go back to the main menu Don t forget to press the E key to end your editing Insert New Waypoint The following example assumes RTE1 is empty Follow the directions in the Erasing an Existing Route section to start with an empty route if you have waypoints in the RTE1 screen 1 ae be Select the RTE key until the RTE screen is displayed Press the E key to enter the edit mode Select Insert from the display Skip to the next step if RTE is empty Select Insert new Waypoint from the display Active Foute Remaining ETH OWFTS el RTE WPT Hm EET Active Foute OWFTS r WPTs 7 Hu Active Foute Remaining ETA 0903 1088 7 Jun 192425 Version 2 0 5 Choose either Bearing Distance or Lat Lon Grid Point or TD if you are using other coordinate systems Use the keypad to type in the range and bearing from the previous waypoint or present po sition in the case of
113. cksum at the end of the data record the CDU will verify the checksum If the checksum is invalid the waypoint will be rejected Waypoints received on the data port will be stored to the waypoint location specified in the WPL record If the waypoint location speci fied in the WPL record is already occupied the CDU will overwrite the existing waypoint if it is unlocked If the existing waypoint is locked the WPL record received on the input port will be ignored and dropped The CDU will only recognize waypoints from one input port at any given time This port is defined in CFG1 WPT amp RTE In Version 2 0 Waypoint Operator s Manual UPTERTE Input Configuration External WPT Inputr vez J Data input port POE if Incoming waypoints will be f T j stored in local datum Uploading Waypoints from a Personal Computer You can use any terminal or communications program to download or upload waypoints and routes to or from the CDU and a PC Set the PC to 4800 baud 8 bits 1 stop bit no parity no flow control When sending data to the CDU it must be sent in block form followed by with an appended CR carriage return and LF line feed Normal communications programs like Windows 3 1 or 3 11 Terminal are suf ficient to get the job done Unfortunately Windows 95 doesn t provide a basic terminal emulation program therefore a third party program is required with Windows 95 Using
114. compass against which the steering compass see STEERING COMPASS may be calibrated REFERENCE ELLIPSOID A mathematical description of the Earth s ellipsoidal shape see ELLIPSOID which is the reference frame for positioning computa tion REFERENCE GPS MONITOR A GPS CDU whose precise surveyed position is known It com pares its own GPS position solution to the surveyed position and generates correction values as a function of the position coordi nate differentials The correction values are transmitted to user GPS CDUS for use as corrections to their own GPS position solu tions RESET To return stored values to either the default value or zero in memory RHUMB LINE The course of a vessel that keeps a constant compass direction drawn as a line on a chart or globe and cutting across all meridians at the same angle A rhumb line is a straight line on a Mercator chart RHUMB LINE NAVIGATION Navigation based on Rhumb Lines See also GREAT CIRCLE NAVI GATION Pd Operator s Manual Glossary N RMS See ROOT MEAN SQUARED ROOT MEAN SQUARED RMS A statistical measure of probability stating that an expected event will happen 68 of the time In terms of position update accuracy 68 position updates out of 100 will be accurate to within specified system accuracy ROUTE A route is a sequential list of waypoints describing a planned voy age The active route is the route used for the actual navigation of the vesse
115. ctive route for future use you can copy these waypoints in the order in which they were entered to the Route Bank in the RTE2 screen This is described in the RTE2 The Route Bank section of this manual If you do not clear the RTEI screen refer to Erasing an Existing Route section of this manual the RTE screen will grow each time you add new waypoints to the route The route function can hold a maximum of 2 000 waypoints between the routes stored in RTEZ and RTE2 2 The RTE2 screen provides storage space for up to 100 user defined routes You can pre define routes or copy new routes from the RTE active route screen Later you can choose individual routes or link two or more routes in the RTEI screen refer to Creating a Multi Waypoint Active Route section of this manual When you are finished using the copied route in RTE you can erase the route from the RTEI screen and the original stored route will re Version 2 0 GOTO Operator s Manual main intact in the RTE2 screen The following CFG1 menus directly impact the RTE functions gt Navigation sets a variety of important functions and alarms 5 Rhumb line or Great Circle navigation D Range units nautical miles nautical miles and meters when under 1 000 meters nautical miles and feet when under 1 000 feet statute miles statute miles and meters when under 1 000 meters statute miles and feet when under 1 000 feet kilo meters or kilometers and meters when u
116. d origin DEADRECKONING The process of determining changes of position based on mea sured speed and course over measured time periods DECCA LINES OF POSITION LOPs The phantom Decca Lines of Position used in the navigator are 200 Versio 1 5 Glossary Operator s Manual based on mathematical models Local deviations in propagation speed are not included The calculated positions may therefore differ from positions obtained from dedicated Decca receivers by several hundred meters DEFAULT A condition that the navigator assumes automatically 1f no other condition is initiated by the operator DEVIATION COMPASS Magnetic compass reading error due to local magnetic field influ ences DGPS See DIFFERENTIAL GPS DIFFERENTIAL GPS DGPS A method of refining GPS position solution accuracy by modifying the locally computed position solution with correction signals from an external reference GPS CDU monitor DILUTION OF PRECISION DOP A figure of merit for the quality of GPS derived position and clock bias estimates based on the geometry of the selected satellite con stellation The smaller the DOP the less the magnification of the range measurement error into position and clock bias errors Gen erally the more spread out the satellites the lower the DOP The most common DOPs are as follows HDOP Horizontal dilution of precision GDOP Geometric dilution of precision PDOP Position dilution of precision
117. default DPT DBS DBT or DBK sentence It is better to specify the appropriate sentence because more than one method of reporting depth may be available on the port The window in the lower portion of the screen allows you to see the depth data that is received on the data port nput and the data that is actually displayed in NAV 4 Used Value DGPS DGPS Configuration This screen controls the built in beacon receiver in the MX421B an tenna Internal Beacon Menu Version 2 0 Configuration Operator s Manual Version 2 0 DGPS Mode Auto sets the receiver to automatic DGPS or GPS modes This is the default setting IF DGPS corrections are being received and their age is less than the Max Age limit the receiver will oper ate in DGPS mode assuming you are receiving corrections for enough satellites to operate in DGPS mode Otherwise the receiver operates in GPS positioning mode The traffic light will be green when it is in DGPS mode When it drops to GPS mode a DGPS symbol will be displayed indicating Non Differential GPS mode and the yellow and green traffic light will be on Use this mode when maximum navigation coverage is more important than accuracy Reverting to GPS mode will degrade the overall navigation results but it is better than no naviga tion results at all in most circumstances DGPS Only sets the receiver to only provide DGPS position fixes If corrections are being received and the
118. e MX420 AIS Basic provides control and display interface to the MX423 AIS tran sponder and other navigation sensors while the MX420 AIS does all this and also pro vides complete DGPS navigation functions The MX420 AIS incorporates e a Control and Display Unit CDU for GPS DGPS and AIS MX420 AIS e a combined GPS and Beacon receiver sealed in a smart antenna radome MX421B e an IMO compliant AIS transponder MX423 The MX420 Navigation System is built to meet all existing applicable international marine standards and it is designed to be compliant also to future standards through software upgrades Shipboard AlS System Data from GPS DGPS Speci Time in pecial Position MX420 AIS k Pilot Hook up Interface with ECDIS ARPA or other ship Data programmed into unit IMO number Call sign Ship Name Ship type Location of GPS antenna systems AIS Transponder Data entered by Master Ship s draft Ship Cargo Type i N Destination ETA rag AIS Reports stations The MX420 CDU collects and decodes AIS reports from other stations and provides a readout of information from all AIS equipped ships and shore stations Data can be viewed in text or graphic form It gathers inputs from ship s sensors and organizes the data for transmission via AIS The CDU is also used for entering AIS static and voyage related information for AIS broadcasts as well as sys
119. e MX420 AIS or MKD models Non AlS models will show the message AIS Not Available on this Version when the AIS key is pressed Version 2 0 i7 Operator s Manual Navigate Navigate 18 There are four basic NAV screens NAV4 only provides data if appro priate sensors e g wind speed direction logs NMEA compass etc are interfaced and activated on the CDU The NAV functions are highly interactive with the RTE1 screen and a number of CFG menu selec tions The RTE1 screen provides the active route for the NAV screens It also maintains a waypoint pass log for you One other important fea ture in the RTE1 screen that you need to be aware of is that the up and down arrow softkeys control which waypoints are skipped down ar row and which are restored up arrow for your current route The ETA information 1s configured in the RTE 1 screen Refer to the Route sec tion of the manual for a full description The following CFG menus directly impact the NAV functions gt COGSOG sets the filtering time for the displayed values gt Datum sets the reference datum for your present position and waypoints in the active route gt GPS Offset sets an offset for calculating the GPS antenna posi tion if you can t physically locate the antenna exactly where you want it e g over the centerline of the boat gt Navigation sets a variety of important functions and alarms 5 Rhumb line or Great Circle navigation gt Ra
120. e for that particular function You can accomplish the same thing by selecting a function and using the left and right arrows on the cursor key which is sometimes faster Whichever method you choose it is impossible to get lost between function screens In addition the software remembers which screen you used last for each function Each time you reenter a function e g you go from PLOT to NAV you will enter the last screen you viewed for that function You can change this setting in the CFG 1 Operation Use the associated function key to access the international character desired 1 e A for The international characters supported are ABC C DEF E GHI MNO N STU U U Use the CFG key when in the edit mode to cycle through these other optional characters 4 Version 2 0 Navigate Operator s Manual 9 As Automatic ldentification System AIS This is a special function key used to display the various AIS related Se data You can page through the various AIS screens by pressing the AIS key repeatedly More information about the AIS displays are avail able in Appendix A Automatic Identification System on pages 131 through 150 of this manual The number and letters on the top and bottom of the AIS key can be used in the editing mode Note The AIS display key is not functional in the MX420 2 and MX420 8 mod els This is a special key that is active only in th
121. en 6 Press the Done softkey In this mode the actual SOG is compared to the required SOG to meet the specified arrival date and time The result 1s given in a percentage value next to the displayed SOG in the NAV screens If the percent age 1s below 100 you will arrive late If the percentage 1s above 100 you will arrive early ETA Based on Speed Active Route Remaining Active Foute 2 WPTS Remaining ER aoe Hm iS UPT 13 WPTa 7 3 31 Hm cnn ETA S05 calculation g J Speed basisn Constant Constant speedr 100kn 152 H 52958 0290 P LalEulatERs annaa ETAI z Change ETH SOG calculation EES DE SE EE ETA EM Speed 1 Constant Constant speed 10K points 5 Select a Speed Basis of either GPS SOG which uses a long filter time in seconds that you define or Constant which uses a speed you intend to maintain you define the speed 6 Press the Done softkey Version 2 0 Operator s Manual Route RTE2 The Route Bank 46 The Route Bank 1s a convenient place for you to preprogram segments of a long voyage or to program routes that you follow over and over again Creating routes for the Route Bank uses the same methods as the Active Route with a few exceptions you can t use the GOTO key and you can t use the Plotter screen You can use other routes as a subset to create a new
122. en operating under the control of a shore based VTS This can be done either manually or remotely by the AIS shore station AlS Message AIS is designed to work autonomously and continuously in a ship to ship mode but the specifications provide for switchover to an assigned mode for opera tion in an area subject to a competent authority responsible for traffic monitor ing with the data transmission intervals and timeslots set remotely by the shoreside authority Alternatively the AIS can work in a polling mode in which the data transfer occurs in response to interrogation from another ship or shore station Information provided by the AIS falls into several categories Static data IMO number where available Call sign and name Ship s name Type of ship Location of position fixing antenna on the ship aft of bow and port or starboard of centerline Dynamic data Ship s position with accuracy indication and integrity status Time in UTC Course over ground Speed over ground Heading Navigational status e g at anchor manually entered Rate of turn where available 99 66 not under command Voyage related data Version 2 0 139 Operator s Manual Automatic ldentifaction System Ship s draft Hazardous cargo type Destination and ETA at master s discretion Safety related messages As needed Dynamic information is derived from interfaces with the ship s GPS and other sensors Static inform
123. ents of all surface ships aircraft and heli copters involved in the rescue effort Vessel Traffic Systems When integrated with shore based vessel traffic systems VTS AIS provides a powerful tool for monitoring and controlling the movement of vessels through restricted harbors and waterways The AIS can augment traditional radar based VTS installations providing an AIS overlay on the radar picture or can provide a cost effective alternative in areas where it is not feasible to establish radar based systems When integrated with radar the AIS can ensure continuous coverage even when the radar picture is degraded by heavy precipitation or other interfer ence AIS Integrated with VTS Local Data tides current VT weather Control Pilotage berth Center ms assignments port info 22 ha Corrections VTS assumes control of timeslot assignments AIS data layered on radar picture when available The AIS channels can be used to transmit port data pilotage berth assignments shipping agency information tides and currents notices to mariners and other information from shore to ship as well as ship to ship and ship to shore AIS reports It 1s also possible for the VTS to broadcast the complete harbor picture Version 2 0 135 Operator s Manual Automatic ldentifaction System 9 to all ships in the area so the masters and pilots all share the same big picture The VTS center can assume control over the ass
124. er is in the Manual tuning mode you can use the cursor key to scroll down into the large window below Station Selection and edit the Reference Station name The name you enter will always be associ ated with the frequency to which you programmed the receiver If you move to another region that uses a frequency and name you previ ously entered the receiver will display the previously entered name You can enter a new name for any manually tuned frequency at any time Version 2 0 GPS Operator s Manual Use the cursor key to move down the screen again and program the frequency you desire The receiver will automatically update the Sta tion ID If the beacon station 1s transmitting its location the receiver will calculate the distance between the reference station and the re ceiver otherwise this will be blank You can usually find current bea con status location and operating information from the governing country s Coast Guard or Maritime Safety Administration You will find a list of known beacon stations in Appendix C Beacon List at the end of this manual This list may be incomplete at your location in which case we encourage you to contact the appropriate governing agency La Status DGPS DOK BPR Station select TEEN Station Id Distance Health Hest Previou Ts Fi TE Ed II When you are in manual tuning mode pressing the E key will bring up the curs
125. er orientation between the antenna the antenna offset and the boats heading can be main tained Init Pos Initial Position Entry 108 This screen is provided to help the GPS receiver in the MX421 antenna to get a faster first position fix While the MX421 is capable of comput ing its position without any user input this feature can cause a posi tion fix to occur several minutes earlier The only other time this fea ture 1s useful is when the receiver has been moved over 300 miles from the last location it was used while being turned off Again the receiver will calculate a position fix without any user input in this circumstance However moving the receiver to a new location and not inputting a new initial position will cause the receiver to select a satellite constel lation consistent with the last known receiver coordinates In this event the receiver may get lucky and find common satellites between the old position and the new location or it may take up to 20 minutes to go through all of the constellation possibilities Note that the receiver will stay on the original constellation for 15 minutes before attempting other constellation possibilities We assume the receiver will be turned on and off in the same general area each time and we provide the unit every opportunity to try and track satellites at the last known coordi nates The only other fast way to get the receiver to find a new location quickly is to turn on Auto
126. erator for Earth ground 1s not good for the GPS and especially the beacon receiver Version 2 0 Engineering Mode Operator s Manual GPS4 GPS Position Uncertainty This screen presents a bar graph representing the HDOP for the past 23 hours If you are trying to do precision work or navigation in the same general area within 100 miles as the day before you can look at this screen to see when the best HDOP periods are The GPS constel lation shifts back 4 minutes per day That means you can expect the GPS coverage to be virtually the same today as it was yesterday Time DO 3 6 9 12 15 18 Zl 24 The small 1 hour gap in the bar graph represents the 24th hour The gap is provided to ease the readability of the bar graph for the present time The dashed line extending horizontally from the 4 represents the current HDOP Limit Alarm which is set in CFG Position The current HDOP and VDOP values are given in the upper window GPS5 GPS Debug Screen Version 2 0 This screen is useful during satellite acquisition It can present some important clues as to why the MX421 GPS smart antenna is not work ing properly FEE a GPS 9 GPS DEBUG 116 4 154847 122 4 14 125 2 14 6 129 3 154647 930 14 4 154847 15 4154647 Core version 1 007 GFS Offset 11 Uscillator 3444 GPS Week 353 Po at t T 54 ge 18 35 EET so Pos node 20D GPS The first 6 rows of data represent GPS channel status Th
127. ere 4 columns of data for each channel LoF Operator s Manual Engineering Mode Columns I amp 5 represents the PRN number assigned to a specific receiver channel a PRN number of 0 indicates there are no satellites available to track on that channel Columns 2 amp 6 represents the current receiver channel status 1 or 1 the receiver channel 1s unlocked and searching for a satellite 2 the receiver channel found a carrier signal and is attempting to Frame or synchronize on the ID pattern and message frame boundaries of the satellite It is not unusual for this value to go from a 2 back to a 1 because it is possible that the wrong carrier for the identified satellite was found 3 the receiver channel found the correct carrier for the satellite identified and is collecting the satellite ephemeris A new ephemeris is collected once a satellite is first acquired and once an hour thereafter 4 the receiver channel is decoding the navigation data from the satellite Columns 3 amp 7 Receiver status 1 or 1 represents the amount of time the receiver channel has been using a particular oscillator off set when a 2 digit value is displayed After about 10 to 30 seconds depending on the receiver mode the timer re sets to 0 and another oscillator offset is used to find a carrier This procedure is followed until a GPS carrier is found If the receiver was tracking satellites and has since dropped one or all
128. ers Ho BEES E Lighting _ HAD LE q Play background Black back light off timer Ho t l J Log Pulses Log Speed Log Input Pulse or NMEA 0183 This screen controls the input port NMEA 0183 or Pulse and format of the speed log input to the receiver In the default condition the speed log is not connected NMEA 0183 speed is accepted from the xxVHW data sentence originating in any of the version 1 5 2 0 or 2 1 format where xx is a valid talker ID as specified in the NMEA 0183 standard The receiver will also accept speed log pulse input with pulses ofup to 1 5 kHz Refer to the Installation amp Service Manual for the wiring interface instructions Version 2 0 109 Operator s Manual Configuration qLog Configuration Los Configuration Log connected ME 3 Log connected Wes HO Input Lyper HMEAR Input typer EH 8 Data input port nor 1E A Pulse input port n01 1 H Alarm if no datar es Pulses pra SO000 kPa 8 Correction factor 1 00 1 OPS Alarm if no datar est J Initial Pos E Hlmitial Pas Correction factor 1 00 ee id F r Input 783 00 Pulses secl Log Pulses Used valuer Change Log Pulses Used va
129. ervice Manual for hardware interface PTERTE IHPUT UPTERTE Input Configuration External WPT Inputr Ha Incoming waypoints will be d Stored in local datum Version 2 0 t Operator s Manual Configuration 132 Version 2 0 Automatic Identification System Operator s Manual Appendix A Automatic Identification System AIS Introduction AIS is a shipborne broadcast transponder system in which ships continually trans mit their ID position course speed and other data to all other nearby ships and shoreside authorities on a common radio channel The concept is derived from the pioneering work of a Swedish inventor named H kan Lans who devel oped in the mid 1980s an ingenious technique for spontaneous masterless com munication which permits a large number of transmitters to send data bursts over a single narrowband radio channel by synchronizing their data transmissions to a very precise timing standard AIS 1s designed to operate in one of the following modes e In a ship to ship mode for collision avoidance e In a ship to shore mode as a means for coastal states to monitor and obtain information about a ship and its cargo e As a traffic management tool when integrated with a Vessel Traffic System VTS Ship to Ship Data Exchange The primary operating mode for AIS will be autonomous ship to ship reporting In this mode each ship transmits its data to all other AIS equipped ships
130. est elevation at which a satellite will be tracked gt DGPS sets the internal beacon receiver to Auto DGPS only or Off GPS1 GPS Status Screen Version 2 0 There are two windows in this display The left window has twelve graphic Power Bars representing the twelve GPS receiver channels of the MX421 antenna The PRN PseudoRandom Number under each power bar represents the satellite ID number assigned or being tracked on that channel The power bars indicate the valid receiver power range from 30 to 50 Any portion of the power bar which is filled in indicates that a satellite 1s being tracked on that channel Ifa power bar is empty but a PRN number is labeled under the power bar then the identified satellite is not currently being tracked 40 l i 1 30 _ RN 12 14 1 23 21 266 The graphic on the right hand side of the screen indicates where the satellites are relative to your present position The outer ring repre sents 0 elevation The inner ring represents 45 elevation The sign represents 90 elevation and your present position Under normal con ditions the best satellites to track are usually between 15 and 75 de grees in elevation GPS 2 through GPS 5 screens are skipped under normal operation 95 Operator s Manual GPS GPS6 DGPS STATUS 96 There are several windows in this display the left hand windows are divided into control and configuration windows The right hand win dow displays all the c
131. et 06 20 04 48 rn 04 48 rn sun Nov 17 1996 Position H N 33 49 N 33 49 Note The AUX 4 function is not active in the MX420 AIS Basic model without the MX421 antenna 88 Version 2 0 AUXILIARY Operator s Manual AUX5 Moon Phases There are no edit functions available here Moon phases are given in approximately one week increments and include all dates for new half and full moon You change the year displayed by pressing the up or down cursor keys HOOH PHASES Full Year Z001 shift by Ta Jan 1 O Jan 9 16 Jan 24 Jan 31 Feb 7 Febis Feb 2 Mar 2 OMar 93 Mar 16 24 Mar 31 OApe r Apr 15 Apr 27 Apr 30 OMay hay 14 lay 22 May 29 OJun 6 r Tun 13 Jun 20 Jun 78 Jul 5 Jul 12 Jul 20 Jul 27 mAug 4 m Aug 11 AI 1 Aug 26 Sep 72 9 Sepir Sep 24 Oct 2 woot 9 16 Oct 24 Oct 31 Hou Hav 15 Hav 27 Hou 30 Dec r Dec 14 Dec 27 ODe 29 Note The AUX 5 function is not active in the MX420 AIS Basic model without the MX421 antenna AUX6 Batteries The supply voltage indicates the approximate power being applied to the CDU This screen 1s intended to give you a rough indication of the supply voltage It is not a digital voltmeter and can be off by 0 5 VDC or more Use it like you would a car battery indicator The voltage should remain constant when the generators are on
132. etic heading input to provide true heading for calculation and display purposes MENU A list of functions in the display Selection of a function from the list is accomplished with either the toggle key or the soft keys MERCATOR CHART A map developed by Mercator projection wherein the curved sur face of the Earth s ellipsoid is projected onto a cylinder and the cylinder is unwrapped to form a flat representation of the ellip soid MERIDIAN The circumference line ofa meridian plane The meridians define longitude A special case meridian is the Greenwich meridian whose longitude is 0 degrees and to which all other meridians are refer enced MMSI MOTION DYNAMICS Characteristics of changes in attitude and location of a moving object according to its application and or environment For ex ample vessels at sea in rough waters may have low forward veloc ity but high rate short term changes in attitude due to yaw pitch and roll NAVIGATION SOLUTION The mathematical derivation ofnavigation components for example speed heading set drift from a series of satellite position updates plotted over time Versio 1 5 Glossary Operator s Manual NMEA National Marine Electronics Association The NMEA electronics interface specifications have been developed under the auspices of the Association The NMEA 0183 is an internationally recog nized specification for interfacing marine electronics NMEA 0183 version 2 1
133. evel User and press the softkey to toggle to Administrator 5 Move the cursor down to MMSI Ship or Call Sign field 6 Press the at Ee softkey 7 Enter the administrator password indicated on the password card i e alvin To enter the password alvin do the following a Press and hold down the 1 key for 3 seconds This will switch to the lowercase letter b The cursor will advance to the next character c Press 4 key 3 times to bring up the letter I d Press the 8 key one time for letter v e Press the 3 key 3 times for letter 1 f Press the 5 key 2 times for letter n g Press the Done softkey 8 Move the cursor to the MMSI number and enter the desired value 9 Move the highlight to Ship and spell out the name of the vessel up to 20 alphanumeric characters 10 Move the highlight to Call Sign and enter up to 7 characters 11 To change other setup items use the cursor key to scroll down or up and enter the number or name required or press the softkey when available 12 At the end of editing press the E key to exit Configuring the AIS Voyage Information about the ship s destination ETA time and date number of passengers crew and type of vessel are entered in the MX420 for each voyage or whenever needed Ship Cargo Typer 37 H Pleasure Craft Change Feople AlS Voyage Parameter Descriptions Nav Stat Press the
134. every second blinking is an alarm condition Version 2 0 149 Operator s Manual Automatic ldentifaction System Table A 2 ID Numbers Used in AIS Re mw aa 55 Law enforcement vessels 56 Spare for assignments to local vessel Vessels with anti pollution facilities or equipment 57 Spare for assignment to local vessel iss transports oe ne eee defined in the 1949 Geneva Conventions and VV VD l 59 Ships according to Resolution No 18 Mob 8 3 Other Ships First First digit Second Second Digit First First digit Second Second digit l EO for 0 AO ships on the type 0 ED future use 1 Carrying DG HS or MP Carrying DG HS or MP T Towing Towing IMO hazard of pollutant category A 3 see right 2 Carrying DG HS or MP 3 vessel 2 Towing and length of the column IMO hazard or pollutant tow exceeds 200m or breadth category exceeds 25m 4 HSC 3 Carrying DG HS MP 3 Engaged in dredging or IMO hazard or pollutant underwater operations 5 see above 4 Carrying DG HS or MP 4 Engaged in diving IMO hazard or pollutant category C 5 reserved for future use 5 Engaged in Military Operations 6 Passenger 6 reserved for Future use 6 Sailing ENE IM 7 Cargo ships 7 reserved for Future use e 7 Pleasure craft 8 reserved for Future use B 7 8 reserved for future use 9 Other types 9 No additional info
135. explanation actual use 1 nn active route number 00 or 01 can be set to 00 or 01 default 00 2 15 14 field sequence of route waypoint IDs 16 Checksum can be set on or off default on RTE Active Route Waypoint identifiers listed in order with starting waypoint first for the identified route Two modes of transmission are provided c indi cates that the complete list of waypoints in the route are being trans mitted w indicates a working route active where the first listed waypoint is always the last waypoint that has been reached FROM while the second listed waypoint is always the waypoint that you are currently heading toward TO The remaining list of waypoints repre sents the remainder of the route RTE can be sent as version 2 1 and 2 0 field 2 3 4 J 6 1 1 5 6 7 SGPRIE SE ar CCCG COCO TE v ta CCC CCOCC nnh lt CRe gt lt hr gt explanation actual use 2 Total number of messages being transmitted a single route may require the transmission of multiple messages A maxi mum of 11 waypoints are transmitted in each messages 3 Message number 60 Version 2 0 Waypoint Operator s Manual 4 Message mode complete route all waypoints w work ing 1 listed waypoint is FROM 2 is and remaining are the rest c w can be set to c or w default w 5 Route identifier always 00 Active only 6 16 Waypoint identifiers less than 11 way
136. f DGPS correc tions are not received within the Max Age The default setting 1s Yes If the alarm 1s set to Yes you should notice that the receiver drops out of DGPS mode and into the mode selected in DGPS Mode described earlier in this section at the same time the alarm sounds Alarm on health change Sets the alarm to On or Off if the a satellite becomes unhealthy or unusable DR Dead Reckoning DR or Dead Reckoning is an added navigation feature of the MX420 When the DR setting is set to Yes and appropriate compass heading and speed log sensors are connected and activated the MX420 will automatically switch to DR calculation when the GPS positioning be comes unavailable A DR icon on the top right corner of the display indicates that the position displayed is derived from DR calculation enn rere rer errr Ir rrr rrr rrr rrr reer errr eee reer rere HOR Configuration Dead Reckoningr Yes K CFG 1 EAD RECKOHIHG DE Configuration H Dead Reckoningi Ho Dead Reckoning requires A input from Speed Log and Heading Sensor Set and Drift are computed from F Contr GPS Dead Reckoning requires A input from Speed Log and H Heading Sensor Set and A Drift are computed from R Lontr1p GPS Change To set the DR to Yes press the E key then Change softkey Press the
137. f this light condition occurs GPS position update with HDOP value less than 4 This is the normal operating condition Position accuracy is normally between 3 to 5 meters but can be out as much as 30 meters Keep in mind that posi tion accuracy is always only as good as the geometry of the satellites and the navigation information provided by the satellites This is the normal operating condition and no icon will be displayed The Display Version 2 0 The CDU uses a Transflective LCD display screen It provides opti mum viewing in virtually all lighting conditions To change the display contrast or backlight condition select the CFG function key and scroll down to the Lighting menu choice Refer to the CFG section of the manual for a complete description of menu options The function key Just above the Power On Off key allows you to quickly change between daytime and night time screen settings Information displayed on the screen is normally divided into windows similar to what you might see on a normal computer Each screen has a These page num bers are there to help you quickly find the information you need and to help us guide you on the rare occasion that you might request our assistance 11 O erator s Manual Keypad amp Display Description With the exception of a portion of the PLOT and MOB screens which use two softkeys to change the view scale all of the screens require that you press the E Edit Mode
138. fax updates etc Note When the Organizer alarm is activated the voltage on the Alarm Output Port is also activated If you have other devices connected to this port you might need to con sider what other systems will be affected when the alarm sounds Leica offers an External Alarm control software option Check with your dealer or Leica or refer to the Options Manual for details on this software package Version 2 0 Configuration Operator s Manual Message nunbert 18 Log pulses H Message active Hof Navigation H Message ly Hill NMEA out 2 is now on TY i E dnes NMEA out 3 NMEA out 4 aa EL a Position _ Printout 2 The setup is straight forward Use the Change softkey to increment forward through the available choices Use the Go Back softkey to increment backward through the available choices You can also use the left and right cursor keys to accomplish these same operations Enter text the same as you do for the waypoints and routes Use the numeric key pad to enter the appropriate time Don t forget to set Message Active to Yes when you are finished editing to enable the alarm Position Positioning Reference Mode amp Alarm Control Version 2 0 This configuration screen controls several important parameters which determine your present position Log pulses Position mode Auto 2D 3D Naviga
139. g Edit 1 1 Hone i Log Preceding zeroes Ae j Log Pulses Beepers IMA SD Retain external alarm OFF HMawigation H Engineering display OU nt z If you select No for Remember Display the receiver will al ways display the first page of a function when you press the function key Edit Timeout You can set the timeout limit between None de fault or 1 to 10 minutes If you enter the edit mode on any screen and have a timeout period other than None the re ceiver will automatically exit the edit mode if no keys are touched and the timeout period expires Preceding Zeroes Places zeroes Os before directions less than 100 when Yes is selected For example 079 Otherwise direc tions are shown without the leading zeros when No is selected default For example 79 Beeper If you attempt to perform a key function that is not al lowed you normally hear an Error Tone This is performed when the Beeper is set to On default If you don t want to hear the error or any other keyboard beep set the Beeper to Off Retain External Alarm Allows the CDU to hold the external alarm while the alarm condition still exist When Retain external alarm is set to On the external alarm will normalize only when the cause of alarm is corrected Version 2 0 Ti Operator s Manual Configuration Engineering Disp
140. ginal datum displayed when you first pressed the E key 102 Version 2 0 Configuration Operator s Manual Datum Configuration Position offset relative j Lo LGS S4 Position offset relative i to WesS 84 Latitude H 00 0000 J Latitudes H O O0 0000 Longituder E D 00 0000 1 Longituder E 000 0000 E Escape Escape Previous Depth NMEA Input Control This screen allows you to configure the depth unit meters feet or fathoms for the NAV 4 and TIDE I screens Depth information is accepted by the receiver from the NMEA 0183 data sentence DBK DBS DBT or DPT on any input NMEA port Refer to the Installation amp Service Manual for hardware interface instruc tions Depth units meter Echo Sounder conmected M E Data input port no1 1 Mas RE N 0 00m Shallow alarm active Ha Alarm limits Alarm if no data A Input sentence Press the E key and move the cursor to the Echo Sounder Connected line Use the Change softkey to activate the input data options de scribed below Depth Unit select between meters feet or fathoms This data field sets the depth unit displayed in NAV 4 and TIDE I regardless of whether a sensor is connected or not Echo Sounder Connected causes the receiver to look for one of the appropriate NMEA 0
141. he administrator password again when changing any of the configuration items that controls the transponder or when assigning a new administrator password Note If you decide to change the default administrator password make Sure you use a password that you will not forget You should use a minimum of 4 characters maximum of 8 and avoid using special characters like or gt The password is case sensitive Remember if you forget or lose the password you will not be able to make changes to the transponder setups under AIS Static We have no way of recalling your personal password However we can reset the transponder to the default password This can only be done in the factory The AIS 10 screen allows you to change the default passwords of the user or admin istrator level authorization You need to type the current password first before you can change it Is PaaS saword PASSWORD LEVEL AGMINISTRATOR CURRENT PASSWORD ADMINISTRATOR PASSWORD HEW USER PASSWORD TOGGLE UPDATE LEWEL AIS Softkey description Press the E key to show the two softkeys below Version 2 0 165 Operator s Manual Automatic ldentifaction System EE pressing this softkey will toggle the password level to either a user or administrator a sends the new password to the AIS transponder Password change is not effective until this softkey 1s pressed How to change the administrator or user passwo
142. he alarm select No the de fault condition with the Change softkey NMEA Out 1 through n NMEA 0183 Output Data Control Version 2 0 These screens set the specific NMEA 0183 output record parameters as well as the port control The default setting is No When this selec tion is changed to Yes you can turn on individual data records Refer to the installation manual of the device you interfaced with the re ceiver to determine which output records are required Refer to the Installation amp Service Manual for receiver hardware interface infor mation The number of user NMEA ports available depends on the model of the CDU unit MX420 2 Model has two user NMEA ports available and one proprietary port NMEA3 dedicated to the MX421 or MX421B smart antenna MX420 8 AIS Model has eight user NMEA ports available and two antenna ports NMEA3 amp 4 dedicated to the MX421 or MX421B smart antenna LEG Operator s Manual Configuration Note Pre plan your interface requirements to ensure all of your interfacing needs are met When two receivers are inter faced in a dual head configuration Port 1 is reserved for this interface All NMEA Ports are RS 422 electrically Only Port 2 can be configured as either RS 422 or RS 232 We recommend using this port to interface to a com puter or other single ended interface The default condition of each port is Off When you want to output data NMEA port scroll down the
143. he same method select Escape to go back one level and use another method to enter waypoints or select Done to go back to the main menu 8 Don t forget to press the E key to end your editing 33 Operator s Manual Route Choose in Bank The following example assumes 1 is empty Follow the directions in the Erasing an Existing Route section to start with an empty route if you have waypoints in the RTE1 screen 1 Select the RTE key until the RTE1 screen is displayed 2 Press the E key to enter the edit mode 3 Select Insert from the display Skip to the next step if RTEL1 is empty 4 Select Choose in Bank from the display Active koute Femainina ETA Escape Insert Sort by Search in bank new LIFT this WET Hame for WET 5 Select a waypoint by A Pressing the Sort By softkey to arrange the waypoints by num ber name type distance or age refer to the Waypoint section for a full description then using the cursor key to scroll through the previously stored waypoints in the Waypoint Bank B Pressing the Search for WPT softkey When using this selec tion you actually spell out the name and or symbols of the waypoints you are looking for and the software will display any waypoint containing that combination of characters or sym bols Refer to the Waypoint section for a full description H 5253 2170 4 56 3260 gt 101 HN 5258 8940 2 4 56 3070 Es
144. ht indicator The sections that follow detail each pri mary function as it is presented on the front panel i e NAV RTE WPT PLOT CFG The appedixes describe important details about special functions Appendix A is a special section describing the AIS displays and set ups of the MX420 AIS model We hope you find the manual enjoyable and informative reading As always we welcome your comments on improving our products or manuals We wouldn t mind if you wrote to tell us that we did the job right the first time either You can find a Reader Comment Card at the back of the manual Related Documents MX 420 Installation amp Service Manual P N 3508 102 70060 MX 420 Quick Reference Guide P N 3508 102 70050 MX420 AIS Reference Card P N 725626 for AIS models only How To Contact Us Contact your local MX Marine dealer for e Installation Service amp Technical Support e Sales of Accessories e Hardware and Software Upgrades Unlike many other consumer electronics industries which only sell consumer electronic devices your marine dealer is often your best advisor for installation and service of your new GPS receiver MX Marine strongly encourages you to utilize the knowledge and experience of your sales and service dealer Should you need to contact us directly for new sales upgrades repair service or technical support we can be reached at the following International MX Marine USA 23868 Hawthorne Blvd
145. ied by the user because several NMEA 0183 Version 2 0 Navigate Operator s Manual Version 2 0 records may contain depth information This provides you the ca pability of knowing the depth source exactly Log Sets the input port number sensor type pulse or NMEA 0183 sensor offset alarms and a correction factor if needed Set amp Drift Sets the mode to manual or automatic derived from GPS Sets the time out before applying calculated values GPS calcu lated values are used prior to the time out period Wind Sets the input port number units of measure sensor offset alarms and the input NMEA 0183 record from which to derive the wind information The NMEA 0183 record should be specified by the user because several NMEA 0183 records may contain wind information This provides you the capability of knowing the wind source exactly 165 5 HOS ___ LOG HTS 6 WOU EE iSet Drif ts 280 7 6Kn This screen is divided into four windows The window on the top left provides details relating to the True Wind Angle TWA True Wind Speed TWS and True Wind Direction TWD which are taken from the NMEA 0183 record of MWV or VWR If the wind information is given in relative terms the CDU calculates true values using available GPS course and speed information to make the necessary adjustments Refer to the Glossary for definitions on Apparent True Wind Angle Speed Direction To the right
146. ignment of time slots for AIS messages to ensure optimum data exchange within the coverage area Special dedicated channels may be designated for local area AIS operations The ship board AIS equipment will have the ability to shift to different channels cally when directed by the shoreside VTS controller 136 Version 2 0 Automatic Identification System Operator s Manual AIS Communications Scheme AIS messages must be updated and retransmitted every few seconds at a mini mum since the usefulness of the data decays rapidly as a function of time To accommodate this high update requirement AIS utilizes a unique self organizing time division multiple access SOTDMA data communications scheme which uses the precise timing data in the GPS signals to synchronize multiple data transmissions from many users on a single narrowband channel AIS Communication Cells A exchanges data with exchanges data with and exchanges data with Each ship broadcasts its AIS messages and receives messages from all ships within VHF radio range The area in which AIS messages can be received is called the ship s cell Each ship is in this way in the center of its own communication cell The practical size of the cell can be varied according to the traffic density on the AIS channel If the number of AIS messages begins to overload the network the ship s AIS system can automatically shrink its cell by ignoring
147. in writing by Seller This warranty also does not apply to batteries and losses or damage due to the batteries Since the GPS system on which the Product operates is furnished by the U S Government not Seller the Seller shall not be responsible for the GPS system or changes in the GPS System availability coverage or accuracy THIS PRINTED LIMITED WARRANTY IS ACCEPTED BY BUYER IN LIEU OF ANY OTHER WARRANTY FOR THE PRODUCT WHETHER EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FORA PARTICULAR PURPOSE INNO EVENT SHALL SELLER BE LIABLE FOR INCIDENTAL OR CONSE QUENTIAL DAMAGES OF ANY KIND OR NATURE INCLUDING BUT NOT LIMITED TO LOSS OF PROFIT OR REVENUE COMMERCIAL LOSS DAM AGE TO ORLOSS OF PROPERTY ARISING FROM OR RELATED TO THE USE OF THE PRODUCT REQUEST FOR SERVICE MX Marine 1s represented by a worldwide network of service representatives who are available to service the complete range of marine products Contact MX Marine for the location of your nearest authorized service representative IM MARINE 23868 Hawthorne Blvd Suite 200 Torrance CA 90505 USA Attn Field Service Phone 310 791 8213 Fax 310 791 6108 E Mail info mx marine com You will need to know your unit s model serial number and software version when contacting Leica for service Record the serial number and software version below Model number Serial Number Software Version
148. ing The geographic validity of these correc tions decreases with distance from the reference station but the cor rections are valid for navigators hundreds of kilometers from the refer ence station Marine radio beacons operating in the 283 5 to 325 0 KHz frequency range are in widespread use for direction finding in coastal navigation Because the beacon system has been in place and widely used for many years it provides an effective means for the transmission of DGPS signals Depending on their local environment and power out put their signals may be usable to several hundred miles Marine bea cons provide an economical means of obtaining DGPS accuracy for coastal navigators GPS receivers with built in beacon receivers are designed to provide low cost reception of DGPS corrections broad cast normally free of charge by coastal authorities Operator s Manual About GPS Navigation Special Notes GPS DGPS AN Never rely solely on any single navigational aid Always use whatever information 1s available and cross check information when possible GPS expected position accuracy 1s better than 30 meters 95 of the time but may be up to 100 meters occasionally The derived speed and course readings may be hampered accordingly The GPS system was declared operational in 1994 however the systems availability and accuracy are subject to change at the discretion of the US Department of Defense This GPS receiver s position accuracy
149. ing the MOB function from a remote contact closure If the contact closure is made for less Version 2 0 Navigate Operator s Manual than 2 seconds the input is registered as a Mark Position If the con tact closure 1s made for more than 2 seconds the input 1s registered as a MOB Position Refer to the Installation amp Service Manual for inter face instructions E EDIT This function key activates or deactivates the softkeys and edit fields within any screen where editing is appropriate You will quickly learn that this is an important operating feature in the unit Press the E key when you want to start editing a screen and again when you have finished editing If after editing you press a function key and nothing seems to happen check to make sure you didn t accidentally alter your information and press the E key to end editing Most edit screens provides an Escape softkey If you decide for some reason that you don t want to use the changes you have made pressing the Escape softkey will restore the original information However once you press the E key all changes are accepted and the original data 1s lost c C CLEAR This function key 1s probably the least used of all the function keys however it can save you some otherwise frustrating editing time This key allows you to erase or clear one character at a time If you hold it down it will erase the entire line that the cursor is currently on CURSOR This funct
150. int Bank Once the coordi nates are defined press the E key to copy the waypoint to the active route DatumshlEd Escape Bearing Range allows you to define a coordinate by specifying the bearing and range from your present position which is also stored at the next available waypoint location in the Waypoint Bank After entering the desired bearing and range press the E key The newly defined waypoint is copied to the active route automatically Enter Range and Bearing to the location you want to go to Range 0 000 Hr Bearing Escape 7 cpoint 2 If you make a mistake you can use the cursor key to position the cursor over the mistake and overwrite the error Use the 9 key to insert a space in the description 1f needed Use the 0 key to select a special character 1f needed Version 2 0 Smi Operator s Manual Route 22 International characters are available by selecting the associated function key Refer to the Keypad amp Display Description section at the front of the manual If you decide you don t want to continue with this function press the Escape softkey then press the E key Make another function key selection e g NAV and your original route will have been left intact 3 Press the RTE function key You will see two waypoints defined in the center of the screen Waypoint 0 the first waypoint is your Point of Departure or the position you were at when
151. ion key is the most used of all the function keys As its name suggests this key is used to move between edit fields It also allows you to move between function screen pages by pressing left or right In addition many of the edit fields allow you to use either the cursor key or the Change softkey to scroll through or select from predeter mined choices FUNCTION You might have noticed that above and below each primary function key there are numbers and letters These numbers and letters are used Version 2 0 15 Operator s Manual Navigate L6 when you are in the edit mode You will find that they are most often used in the RTE WPT and CFG screens but they are used in other screens as well If you are trying to enter text simply locate the desired letter and press the appropriate key repeatedly until the appropriate letter or number appears If you accidentally go past the desired letter repeat pressing the key and the letter will come up again You can toggle between upper and lower case characters by pressing the key for a long period You will also find that some screens allow you to input symbols into the text fields These symbols are selected through a softkey selection where symbols are allowed Don t forget to press the E key to get out of the edit mode Another helpful feature on this CDU is that successive depressions on the function key when not in the edit mode allow you to page through all of the screens availabl
152. ion was generated given in seconds GPS7 DGPS Messages This screen will display the Type 16 messages received from the beacon station being used These messages may contain information regarding operational problems and status or any scheduled equipment maintenance of beacon stations operating within the general area Note The GPS function is not active in the MX420 AIS model without the 98 MX421 antenna PSPs MESSAGES Msg 03 ID0265 Times Tul 01 2001 10 40 00 eat OFF AIR 031700 T0 0321002 M g 02 ID 0265 Time tIul O2 2001 10 03 20 1 URHLEHEERG OFF AIF 0317002 TOO221002 JUL O1 Version 2 0 Configuration Operator s Manual Configuration r There 1s one CFG screen in the receiver during normal operation Ad ditional configuration screens can be activated for special purposes as described in the Engineering Mode section for example The CFG screen includes setup and control of all of the receiver s primary func tions There are more than 20 separate configuration items in this screen The display is divided into two windows The left hand window iden tifies the primary configuration item The right hand window displays the current settings Use the cursor key to select a configuration item of interest then press the E key to edit the actual settings There are some settings which can not be changed however these are dis played so that you have a better understanding of exactly how
153. ir age is less than the Max Age limit the receiver will operate in DGPS mode assuming there are enough corrections to operate in DGPS mode Otherwise the receiver will not provide any position fix at all Use this mode when accuracy is more important than maximum navigation coverage When operating in this mode you should also set the Max Age to 30 seconds Off sets the receiver to operate in GPS mode only Max Age sets the maximum time limit that the last received DGPS correction will be applied to the satellite range measure ment in the receiver The default setting 1s 60 seconds The receiver will accept values from 10 to 999 seconds While the receiver will accept a longer period of correction aging than 60 seconds we highly recommend that 60 seconds be the high est value you use regardless of your application Although the beacon system is rated for sub meter accuracy there is no guarantee that your receiver will always maintain this level of accuracy in all areas of differential coverage Chances of main taining this level of accuracy are far less if you choose to use an age limit longer than 60 seconds 1 05 Operator s Manual Configuration Message 16 Alarm sets the alarm to On or Off if a reference station text message is received The default setting is Yes Received Type 16 messages can be displayed on the GPS7 screen re gardless of the alarm setting Alarm For No Corrections sets the alarm to on or off i
154. is not in use Y the channel is in use POWER Power level High or Low NE LAT NE LON SW LAT SW LON Northeast and Southwest corner coordi nates of the region area ZONE SIZE in nautical miles Updatedat Date and time tag of the regional parameters Softkey Descriptions NEXT _ REGION softkey used to display information for the next region softkey used to display information for the previous region REFRESH request new regional parameters from the transponder Note The MX420 or MKD will inform the ccerator if the zone size or delta Lat Lon are too small Also the vessel s position must be within 500 N of the region or the AIS will not accept the ipt 160 Version 2 0 Automatic Identification System Operator s Manual AIS 7 LONG RANGE LR DISPLAY This display shows a list of queries by other AIS stations going through the INMARSAT C or other long range communication systems The MX420 AIS can be set to respond to long range interrogations either automatically manually default or by external application When the setting 1s in AUTO the MX420 will provide the requested information automatically When in MANUAL the operator needs to press the eae softkey to reply This softkeys can be brought up by pressing the E key Every time a long range query is received the MX420 will pop up a message window accompanied by an audio alarm When in Ext Appl mode the external application will need to res
155. is supplied with a 421 10 GPS only smart antenna The smart antenna can achieve autono mous GPS accuracy better than 3 meters s MX421 10 or MX521 Smart GPS Antenna Mx420 CDU Basic MX420 2 and MX420 8 GPS amp DGPS Configuration MX420 2 DGPS This is a basic MX420 2 CDU supplied with a combined GPS and Beacon smart antenna MX421B 10 The smart DGPS antenna unit can achieve sub meter accuracy in areas with good beacon differential coverage MX420 8 GPS This is an enhanced MX420 CDU equipped with eight 8 bidirectional user NMEA ports Itis supplied with a GPS only smart antenna unit MX420 8 DGPS This is a basic MX420 8 CDU supplied with a smart DGPS antenna model MX421B 10 Version 2 0 3 Operator s Manual Functional Description MX420 BR This is a dual head CDU system where a MX420 8 operating as a master and a MX420 2 operating as a slave are supplied A smart DGPS antenna MX421B 10 is supplied as a standard equipment The antenna unit 1s connected only to the MX420 8 master unit MX421B Smart GPS Antenna S AY MX420 CDU MX420 CDU Master Unit Slave Unit MX420 BR Beacon and Remote Configuration MX420 BRIM Dual Control Integrity Monitor This is an enhanced Dual Control configuration wherein two MX420 8 CDUs and two MX421B 10 smart DGPS antennas are supplied These two MX420 8 units are connected in dual control configuration but they o
156. it ee eee ER Ves ta Escape 121 H Mowe Escape Ho DER Bee Wes si Downloading Waypoints amp Routes to Other Devices Refer to the Installation amp Service Manual for hardware interfacing guidelines CFG 1 OUTPUT 1 rActive route amp WPT 9 SHU Update Warring Flag 0ff 9 YDE Set and Drift oft A UHU Waterspeed and Head OFF i Log Pulses H VFU Speed up the Wind Off UTG COG and SOG i Havigation UCU WFT Closure Velocity j raupoint Locatie 1 out 2 Waypoint Event My Change The CDU can download all of your stored waypoints and routes and your active route to other NMEA 0183 devices which accept the RTE Rnn and WPL data sentences These sentences are controlled in the CFG1 NMEA Out screens for the identifier given below The CDU outputs these sentences in the following format Version 2 0 59 Operator s Manual Waypoint Rnn Routes Waypoint identifiers listed in order with starting waypoint first for route number nn The active route in the CDU 1s always route zero but in the Rnn sentence the route number can be transmitted as either route 00 or 01 Rnn is NMEA version 1 5 Use of GPRTE is recommended to comply with NMEA version 2 1 field 1 2 3 4 1 di 4 5 6 COCO OCCO COCO ELS CCCG MECC Ce hiSCR SEEP
157. ivate Activate MOB Version 2 0 The MOB position date and time are stored in the next vacant waypoint memory of the Waypoint Bank for future reference e g log book en tries An MOB symbol is used to denote an MOB waypoint N 52 58 9703 1 E 4 56 8274 ccured 3 0 22 UTC 18 21 Note The range and bearing in the PLOT NAV and MOB screens all reflect your bearing and range back to the MOB position not the active route until the MOB is canceled NMEA 0183 sentences 1 e BWC and BWR and the printer output are changed to reflect the current crisis situation by also indicating the bearing and range back to the MOB position until the MOB is can celed This way other interfaced equipment can also help guide you back to the MOB position When the MOB condition is canceled the NMEA sentences will automatically revert to the active route informa tion Don t forget to cancel the MOB so your interfaced equipment 81 Operator s Manual Tide will read the correct data The MOB function key and remote MOB input are disabled from sub sequent activation until Cancel MOB is selected Other functions such as Position and Navigate can still be accessed however the screen will revert to the MOB Plot screen after 30 sec onds To cancel an MOB condition make sure you are in the MOB Plot screen Press the E key then select the Cancel MOB softkey Press E again to exit the edit mode H 2631 0392 lu
158. key and scroll down to the Lighting menu choice to make the desired adjustments Refer to the Configuration section of the manual for a complete description of the Lighting menu options POWER ON OFF Version 2 0 This function key turns the unit on and off When depressed while the unit is on you will be prompted to select a YES or NO softkey to confirm your action This is known as a software power off If the operating program should hang up for any reason you can also perform a hardware power off by continuing to depress the power on off function key for about 5 seconds When the GPS is turned off using this technique you can not reapply power for 10 seconds Note An occasion may arise when you need to reset the memory back to the factory default values Doing this will cause the CDU to lose all of your defined settings as well as all 2 000 of your waypoints and routes If you hold down the fifth right most softkey when power is applied for about two seconds until you heara key click then the memory will be reset 13 Operator s Manual Keypad amp Display Description 14 MAN OVER BOARD MOB This dedicated function key 1s located at the bottom right hand corner of the front panel When depressed for a few seconds it activates a number of automatic functions gt Most obviously it brings up an MOBI Plot screen This is an automatic scaling screen which selects the best zoom level to display your present posi
159. l RTCM Radio Technical Commission for Maritime Services S A See SELECTIVEAVAILABILITY SATELLITE HEALTH Go or no go message for each satellite included in the almanac data The message states whether or not the measurements from those particular satellites can be relied upon for accurate results SATELLITE SIGNAL Transmitted electromagnetic energy from a GPS satellite whose time of arrival is measured by the navigator to calculate the posi tion of the navigator antenna SELECTIVE AVAILABILITY S A A system whereby the accuracy of GPS is reduced S A is con trolled by the U S Department of Defense SEMIMINOR AXIS The distance from the center of the earth s ellipse to the ellipse surface as measured along the polar axis It is identified symboli cally with the letter B and it varies according to the reference da tum used for position coordinates SENSOR A device that detects a change in a physical stimulus and turns it into a signal that can be measured Versio 1 5 Glossary Operator s Manual SETANDDRIFT The direction and the speed of the water over ground current SIGNAL TO NOISE RATIO S N Quantitative relationship between the useful and non useful part of the received satellite signal A high S N indicates a good receiv ing condition S N See SIGNAL TO NOISE RATIO SOFTWARE Values programmed and preloaded into memory The values repre sent a permanent set of instructions for running the automa
160. lay This enables an expanded series of display screens in some of the functions In general these screens are used by the technician during troubleshooting or by Leica engineers during development testing Screens which are rel evant for troubleshooting are described in Appendix D of this manual The default setting is No If you should enable these screens the receiver will automatically turn them off the next time power is cycled on the unit Demonstration Mode This enables the receiver to function as though you are under way even though vou are completely stationary The default setting is No When set to Yes all three Traffic Lights will be illuminated and a D symbol is displayed in the upper right corner of every display Generally speaking this feature is used by Leica and your dealer for show room or trade show demonstrations However you can use it as a train ing tool until you become familiar with the receiver As a safety feature you can not use it to output NMEA 0183 records on the data ports to test and demonstrate other devices such as autopilots chart plotters and radars Refer to Appendix F of this manual for a full description of the Demonstration Mode Organizer Automated Message Reminders L22 This screen enables you to program the receiver with up to 25 different message reminders up to 30 characters in length You can program it to alarm for shift changes log entry intervals medication intervals weather
161. lid when it picks up another satellite or the geometry of the existing satellites improves The factory default level for this indication is with an HDOP of 4 to 10 During this period your positioning information is less than optimal and position accuracy may be off by as much as 5 to 10 meters You can press the GPS function key and refer to the GPS section in this manual for guidance if this light condition occurs Green Solid DGPS position update with HDOP value less than 4 This is the normal operating condition Position accuracy is normally better than 3 meters Keep in mind that position accuracy is always only as good as the corrections received their age your distance from the reference station and the geometry of the satellites This is the normal operating condition and no icon will be displayed GPS Traffic Light Operation Red Flashing Not tracking satellites no position update This is normal for the first 2 minutes or so when turning the unit on The very first time you turn the unit on or if the memory is reset or lost this condition is also normal Allow the receiver to run for at least 30 minutes under these circumstances If it still does not change to Red Solid refer to the troubleshooting section of the Installation amp Service Manual An icon similar to the one at left will be displayed in the upper left corner of the screen Red Yellow Solid Dead Reckoning When normal GPS or DGPS operation 1s not avail
162. llows you to display fractions of the major unit nautical miles statute miles or kilometers ranges less than 1000 in alternate units of feet or meters Velocity 172 Velocity 165 PLOT 1 Relative to Boat The information in PLOT 1 is always relative to your present position The boat always remains in the center of the screen and the bearing and range are always from your present position to the next waypoint identified in RTE1 Modifying the Active Route Using the Plot Screen Version 2 0 Press the E key to modify the screen to your needs W II Vis WPT 151 2 IH 5258 6210 4 56 9070 Datum Ugg i 172 J ENG lz Nn is OK nou P Display options plotter You will notice that a magnifying glass icon appears in the middle of the screen This icon is used to identify waypoints and symbols which appear on the plot screen Use the cursor key to move the magnifying glass around Zooming out allows you to move the magnifying glass over long distances at a faster rate When the icon 1s on a symbol it identifies the symbol in the text area under the description of Watch ing This information includes the Waypoint Bank storage location WPT 25 the waypoint description that you gave it the waypoint coordinates and datum in which it 1s stored and your present bearing To Operator s Manual Plot and range to this location as op
163. luer Change NMEA 0183 VHW Input Screen Pulse Input Screen NMEA Input Data Input Port No Select the appropriate NMEA input port as determined by the hardware interface Refer to the nstalla tion amp Service Manual for wiring connections Alarm If No Data Causes an alarm to activate 1f data 1s not re ceived on the port you defined within 10 seconds when Yes is selected the default condition To disable the alarm select No with the Change softkey Correction Factor Allows you to make minor adjustments to observed or measured errors in your speed through water cal culation The input value will be multiplied by this value be fore it is used in the receiver The default value is 1 00 Digital Pulse Input Digital Pulse Input Port No Select between Digital Input Port 1 or Digital Input Port 2 A single pulse input which 1s cali brated for log pulse rate and the receiver will automatically make the necessary calculations Digital Input Port I is pin 3 black white of Cable B connec tor and Pulse Input Port 2 in pin 2 black of Cable B Both ports share pin shield GND or power ground as a common ground These input ports are different from the NMEA 0183 Input Ports 1 and 2 Pulses Pr Nm This is the calibrated pulses per speed unit value that you must get from the speed log manufacturer Alarm If No Data Causes an alarm to activate if data 1s not re ceived on the port you defined when Yes i
164. m to the horizontal reference point on the ship for the MX421 GPS an tenna used by the MX420 AIS unit The sum of A B is the length of the 146 Version 2 0 Automatic Identification System Operator s Manual ship in meters and the sum of C D is the width of the ship in meters Default values are zeroes Ext GPS Ant A B C D Specify the position offset of the external GPS antenna similar to the Int GPS Ant A B C D AIS GPS Ant A B C D Specify the position offset of the GPS antenna used in the MX423 AIS transponder administrator password required AIS Antenna F A and AIS Antenna P S Specify the position offset of the navigation point on the vessel Field available when transponder type is ATLAS Height Over Keel Enter 4 digit height i e 999 9 in meters Softkey Descriptions B e Used to enter the administrator password to change critical AIS transpon der setups that require the administrator password Push to send the keel depth to the transponder Used to toggle through various selections available in the field Antenna Location Antenna Offset For SAAB Transponder Type How to change transponder settings under the AIS Static configuration using the administrator password 1 Press the CFG key 2 Highlight the AIS Static menu 3 Press the E key to start editing Version 2 0 147 Operator s Manual Automatic ldentifaction System 4 Using the cursor key move the cursor to Password L
165. me 1 Volume 2 Volume 3 Volume 3 6322 01A 600 The display provides the required tide table document name and sec tion Admiralty Tide Tables Part III under the Help softkey when in the edit mode as an added aid to help you identify the proper reference material The Admiralty Tide Tables port lists are also available free of charge Contact your dealer or us at the address fax e mail or phone number provided at the back of this manual if you have not received a copy of these tide table lists PORT LIST LIST Los Angeles LIST obtain the volume of ADMIRALTY 4 TIDE TABLES which covers the actual a M L Mz 52 Ki i 4 en find port data in FART III Fg l area Th 720 9 Hm 2 5 Hm g Ham 3 HARMONIC CONSTANTS O85 275 Dol 261 O20 55 0 34 81 0 22 1 d diurnal 1 diurmal Seasonal change f4 F4 TE F in Mean Level 0 000 0 0 000 TAB Version 1 5 85 Operator s Manual Tide Adding a Port 86 To add a port to the list first locate it in Part III of the tide table book then align the cursor with Add port to the Port List and press E The Zone in the upper left corner refers to the time zone offset to UTC Use the name given in the tide table for the name given in the Place portion of the screen To help you locate this port in the printed volume later use the table number given in the first column of the manual as the tide number in the
166. n 2 Press the left most softkey 3 times to bring up Eng g level 3 3 Press the E key 4 Press the MX421 Reset softkey to reset the GPS engine or the CSI Reset softkey to reset the beacon engine 5 Press the E key to exit 6 Press the GPS key to display the GPS or DGPS Status screen Version 2 0 Dual Control Head Mode Operator s Manual Appendix E Dual Control Head Mode PRPL WHT 1 OUT B Version 2 0 The Dual Control mode which is enabled in the CFG Dual Contr screen allows you to connect two MX 420 CDUs in a Master Slave configuration where a common data base 1s shared between the two CDU control heads This configuration also allows you to use one antenna connected to the Master unit for both CDUs This configura tion requires an MX 420 8 for a master unit and a MX 420 2 or MX 420 8 slave unit The remaining data port s the MOB Event input port and the alarm output ports are still available on each unit for individual use on each CDU The hardware interface is accomplished by connecting NMEA Output 1 to NMEA Input 1 between the two units Refer to the Installation amp Service Manual for the appropriate pin outs MX 420 8 MX 420 2 or MX 420 8 MASTER UNIT SLAVE UNIT CABLE A CABLE A PORT 1 PORT 1 SHIELD BRN NMEA1 IN A PRPL NMEA1 OUT A BRN WHT NMEA1 IN b PRPL WHT NMEA1 OUT B PRPL NMEA1 OUT A BRN 1 IN BRN WHT NMEA1 IN B SHIELD MX 421 Antenna _Y
167. n corrected until the log is erased or the log is full When the log is full the oldest alarms are overwritten Alarms with an asterisk next to the alarm number have not been corrected and can not be reset until they are corrected Anchor watch distance 0 00 Nm exceeded 2 Nov 17 19 48 Nou ir 18 48 through Nov 17 19 53 i Input alarm Ho Log data k Input alarm No Log data 17 18 45 through Now 17 18 55 O Input alarm No compass data El E Input alarm No compass data z Reset Log clears the alarm log entries except for any alarm conditions which have not been corrected and any alarms which have occurred since the uncorrected alarm Version 2 0 87 Operator s Manual Auxiliary Hou 17 18 49 through Nov 17 18 52 2 Anchor watch distance 0 00 Hm Bid Hou 17 18 48 through 17 18 53 1 Input alarm No Log data Ho alarms logged Hou ir 18 48 through Hou 17 18 53 Of AUX2 Speed Graph The graph scales automatically to the speed you are at You can zoom out to the last 56 minutes or in to the last 3 5 minutes It is a handy tool 1f you are trying to maintain a certain speed AUX3 Not Used AUX4 Sun Almanac This almanac provides the sunrise and sunset times for a given day and location You can enter another date or location of interest by pressing the E key and editing the appropriate date and or place Sunsets 4 Sunrise Suns
168. n pressing the Change softkey Position Printout 1 Serial 170 j Time i Hind 1 amp In Change Data input port no 1 valid port selections are 1 2 5 through 10 Alarm if no data No Yes value sets the alarm to sound if no ROT input data is detected in 5 seconds Note Only IEC type approved ROT information can be used by the AIS transponder Rate of Turn messages designated by talker device ID TIROT are required The Security screen allows you to lock out the E key in order to keep crew members or visitors from changing settings that you have made Once this feature is enabled a press of the E key will require the correct password to gain access To disable the security functions you will be prompted to enter a 5 digit password You will then be prompted to reenter the password The security function is then disabled until you enter a new password through the CF G Security screen again Be sure to keep your password in a safe place If you loose your pass word you will need to call the factory to reset the security feature Security Configuration 1 Eiti ers eke EED EG Ho Please enter ney Password 12345 Escap Version 2 0 Configuration Operator s Manual Serial I O This menu provides a means to verify the status and baud rate settings of all the NMEA ports Note that the NMEA port 3 MX420 2 and NMEA ports 3 amp 4 MX420 8
169. n the edit mode to enter alphanumeric information into screen data fields Mark Position 1 2 This function key stores your present position date and time at the next available waypoint location in the Waypoint Bank A window pops up on the screen to confirm your key depression and to tell you where the mark position 1s being stored You can go into the WPT menu and edit the coordinates or description later The CDU 1s also Version 2 0 Keypad amp Display Description Operator s Manual gt GOTO r capable of performing this function from a remote contact closure in put via Cable B MOB Event wire Refer to the Installation amp Service Manual for interface instructions This function key allows you to quickly create a route from your present position to one other waypoint This single waypoint route can use an existing waypoint from the Waypoint Bank or you can guickly create one by either defining the appropriate coordinates or specifying a range and bearing Be careful when you use this selection as it will erase your current active route when it creates the new one Read through the ROUTE and PLOT sections of this manual to find other ways to use this key within an active route 0 LIGHT This function key allows you to quickly switch between two predeter mined display lighting conditions You can have two daytime settings two night time settings or a daytime night time setting Select the CFG function
170. nautical miles and feet Nm ft statute miles Sm statute miles and meters Sm mtrs statute miles and feet Sm ft kilometers Km or kilometers and meters Km mtrs affect the POS screens gt Position sets 2D or 3D mode antenna height Lat Lon Loran or Decca TDs or UTM Grid optional and some alarm limits gt Time sets appropriate offsets and 12 or 24 hour clock mode POS1 Position Display Large This single window display provides the largest presentation of the coordinate information from the CDU In addition to the coordinates and datum in use this screen displays the current course and speed over ground There are no edit functions available in this screen un less it is in Demonstration mode Refer to Appendix E Demonstra tion Mode for a full description of this feature Version 2 0 91 Operator s Manual Route Latutude amp Longitude POSITION Datum WGS 84 N 52 58 8341 E 4 56 8579 1729 7 6 The POSI screen expands to accommodate up to four 4 TD s in areas where a fourth TD might be available Position 1 Loran C GR Sylt 7499 K 15172 us Y 1592 7 u 172 7 6 UTM When using the UTM reference system in the polar regions of the Earth the CDU displays position using the UPS coordinate system instead of invalid UTM coordinates FOSITIOH Datum 5 84 UTM H 31 E 630782 5 N 5871736 8 172 7 6
171. nder 1 000 meters Waypoint pass criterion and distance bisector line perpen dicular line complex combination of bisector line and per pendicular line distance to waypoint or manual 5 Waypoint Approach distance Autopilot alarm control gt Position sets 2D or 3D mode antenna height Lat Lon Loran UTM or User Grid optional and some alarm limits gt Time sets time offsets and 12 or 24 hour clock mode for ETA calculation and waypoint passed time stamp RTE1 The Active Route Version 2 0 The RTE1 screen provides the active route data for the NAV and PLOT screens It also maintains a waypoint pass log for you Another important feature in the RTE1 screen that you need to be aware of is that the up N and down NP arrow softkeys displayed when you are in the edit mode under the Route Control softkey control which waypoints are skipped down arrow W and which are restored up arrow AN for your current route Note The CDU will recalculate the route when a navigation mode either Rhumb Line or Great Circle is selected You can enter waypoints using different datums into the route The RTE1 screen is where you are likely to do most of your trip prepa ration There are several methods you can use to create routes You are sure to find one or more methods which meet your needs in the follow ing sections 2 Operator s Manual Route Creating a Route Using the GOTO Key Using the GOTO function
172. ne terrestrial point from another expressed as angular distance from North clockwise through 360 BIT Short form of Binary Digit The smallest element of data in a binary coded value bps Bits Per Second CENTRAL MERIDIAN The meridian see MERIDIAN that passes through the center of the referenced grid Zero longitude CHARACTER STRING Contiguous characters other than spaces in a message CHECKSUM The value sent with a binary coded message to be checked at the receiving end to verify the integrity of the message Versio 1 5 Glossary Operator s Manual Version 1 5 CLICK KEYBOARD The audible tone generated when a key is activated CLOCK A precisely spaced stable train of pulses generated within an elec tronic system to synchronize the timing of digital operations within the system CLOCK OFFSET The differences between the times at the CDU processor tracking a satellite the satellite itself and GPS system time C A CODE See COARSE ACQUISITION CODE COARSE ACQUISITION C A CODE The NAVSTAR satellite signal that may be accessed by civilian members of the user community COEFFICIENT OF EARTH FLATTENING The value F that quantitatively describes by how much the earth s ellipsoid semimajor axis A is shorter than the semiminor axis B F COG See COURSE OVER GROUND COMPASS BIAS Angle of misalignment between the steering compass and the keel line of the vessel or long axis of the
173. nef H Range unit Hautical mile 8 Directbtlornzs True 9 STE limiti 0 05 Hm VATE balas Ha Pass Criterion Approach alarmi Approach distances Autopilot alarm Change Mavigation Great Circle Range unit Hautical mile Directlons True B ATE limits 0 05 Hm BATE is ES ska Ha WPT Pass Criterion Approach alarm Approach distances Autopilot alarm Change Navigation Sets navigation to Rhumb Line default or Great Circle mode Note When the navigation mode is set to Great Circle the PLOT screens will not show your course or cross track error lines Range Unit Sets the unit of measure for all range calculations You can choose between Nautical Mile default Nautical Mile amp Meters Nauti cal Mile amp Feet Statute Mile Statute Mile amp Meters Statute Mile amp Feet Kilometers and Kilometers amp Meters IE Version 2 0 Configuration Operator s Manual Direction Sets all displays which indicate direction to True or Compass you want the receiver to agree with your magnetic compass select Compass The receiver will automatically add or subtract the ap propriate magnetic variation and deviation Enter the compass de viation table into the receiver in thi
174. nge softkey to toggle to ATLAS 4 If you need to pass control to ECDIS press the Down arrow key to highlight the Static Config Update line 5 Press the Change softkey to ECDIS MKD 1s the default selection 6 Press the E to exit TAQ Version 2 0 Automatic Identification System Operator s Manual Configuring the AIS Static Setup The AIS Static Setup contains both the ship s static data and AIS transponder configuration This setup must be done after installation or at any time changes are made to the ship s AIS transponder unit For SAAB Type Transponder It is important to note that critical AIS static setup items associated with the AIS transponder are password protected Setup items that require administra tor password are indicated in the Display Field Descriptions below If an invalid or missing password is used an AIS Alarm is displayed and the entry will be rejected Press the Cancel alarm softkey to continue For ATLAS Type Transponder Password protection is under the SECURITY menu Follow the procedure below to enter the required AIS static information for SAAB transponder 1 Press CFG key 2 Highlight the AIS Static under the Item column tic Configuration i tic Configuration AIS Connected Port Bi Ho ff 3 AIS Connected Port D MB E H ECDIS Connected 3 A ECDIS Conmected Ho PILOT Connected Ho
175. nge units nautical miles nautical miles and meters when under 1000 meters nautical miles and feet when under 1000 feet statute miles statute miles and meters when under 1000 meters statute miles and feet when under 1000 feet kilometers or kilometers and meters when under 1000 meters Cross track error limit and alarm control 5 Waypoint pass criterion and distance bisector line per pendicular line complex combination of bisector line and perpendicular line distance to waypoint or manual 5 Waypoint Approach distance Version 2 0 Navigate Operator s Manual Autopilot alarm control gt Position sets 2D or 3D mode antenna height Lat Lon Loran or UTM and some alarm limits There is an optional software pack age available to setup a user grid as well The option is explained in the Position and CFG Position sections of this manual gt Time sets appropriate offsets and 12 or 24 hour clock mode gt Various NMEA input controls for sensors i e speed log wind instruments etc You have probably already figured out that you will need to pay close attention to the configuration screens The good news is that you should only have to setup one time Keep in mind though that you may need to revisit these and other configuration screens from time to time to get the CDU to do exactly what you want it to Dead Reckoning The MX420 CDU is capable of Dead Reckoning DR calculation when appropria
176. o alert against unsafe practices Important paragraphs which must be adhered to in practice as they enable the product to be used in a technically correct and efficient manner This manual contains important safety directions as well as instruc tions for setting up the instrument and operating it Read carefully through the Operator s Manual Options Manual and Installation amp Service Manual before you switch on the instrument Scope Of This Manual This manual reflects the software capabilities in version 2 0 software We have attempted to take care and develop manuals which provide in depth information Where possible we have attempted not only to describe what you see on the screen but how to understand and use it as well Obviously we can t teach you how to navigate but we help make your work more thorough and enjoyable Throughout the manual you will find helpful hints about the interaction of various functions In a piece of equipment that has the many capabilities of this receiver important details can sometimes become obscured in one or two lines of text In our effort to ensure you get the most out of this documentation and to protect against important details becoming lost don t be surprised if you see the same or similar information more than once This manual is organized by describing first the various MX420 mod els covered in this book Then the special front panel features includ ing the traffic lig
177. o flow control When sending data to the CDU it must be sent in block form followed by with an appended CR carriage return and LF line feed Normal communications programs like Windows 3 1 or 3 11 Terminal are suf ficient to get the job done Unfortunately Hyperterminal in Windows Version 2 0 Waypoint Operator s Manual Version 2 0 95 doesn t provide as simple a terminal emulation program as Win dows 3 11 and we have found it unreliable We suggest that a third party terminal program be used with Windows 95 Using Windows Terminal do the following from the Program Man ager 1 Connect the CDU s port 2 RS 232 port to the PC s communications port Refer to the Installation amp Service Manual On the CDU press the CFG key until CFG1 screen is displayed Scroll down the menu to NMEA Out 2 Press the E key A ee If the port is already Active Yes write down which NMEA sen tences are set to Yes then set all of the NMEA sentences to No You need to do this to record just the waypoint data If the port is not Active No change it to Yes 6 Scroll down to the WPL record and change it On 7 Select the Details softkey 8 Set Include Waypoint Names to either No or Yes Refer to WPL Waypoint Location NMEA Compliant and WPL Waypoint With Symbols amp Description NMEA 0183 Non Compliant sections in this manual to determine the correct format for your purpose 9 Set Decimals in Position to 4
178. of them the value displayed is the channel time which is maintained by the navigator pro cessor As more time passes between tracking the satel lites more error is introduced into this time It is not un usual to see several seconds of separation between chan nel times in this mode This will be corrected when a satel lite is picked up and the receiver reverts to mode 3 or 4 Receiver status 2 The oscillator value begins adjusting to the center frequency of the carrier but the counter contin ues to run 188 Version 2 0 Engineering Mode Operator s Manual Version 2 0 Receiver status 3 amp 4 The displayed value changes to the channel time of the receiver All receiver channels with a mode of 3 or 4 should have the same channel time The channel time is a clock that is recovered from the satellite and used to make navigation range measurements Columns 4 amp 8 represents the current oscillator offset for the given receiver channel A wide range of values are possible and normal These values will also change as you and the satellites move to maintain a lock on the center frequency of the satellite carrier Core Version represents the GPS CDU baseband firmware version This is not the same as the information given in AUX7 the naviga tion firmware version Oscillator represents the current oscillator offset value This value is present for Leica engineering use only It has a wide range of varia tion possibilitie
179. oftkey which returns the marker to automatic mode indicated by the clock marker The tide measurement units can be displayed in meters feet or fath oms Tide units are controlled along with depth units in the CFG1 Depth screen O 2m Dn dO 03 TE 09 12 15 TE 21 aien donde 09 12 15 19 planker Time UTC NE Tine UTC 05 20 Laf Go Back Change Dag Das ans Marker Marker To select another port s tide table press the E function key and use the Change softkey to scroll down the list or the Go Back softkey to scroll up the list You can also use the left and right cursor keys to scroll through the tide tables available in TIDE2 While in the edit mode you can also move the cursor down to the date and manually change it to any date you are interested in Once you have found the table you need press the E key again to load the table TIDE2 Tide Table Port List TIDE2 is where you store the constants for the port tide tables you are interested in You can store up to 100 tide tables The constants you need can be derived from Part III of Admiralty Tide Tables and Tidal Stream Tables Published by the Hydrographer of the Navy United Kingdom Hydrographic Office Tauton Somerset TA 1 2DN United Kingdom 44 1823 337 900 44 1823 323 753 Fax 46274 Telex 84 Version 2 0 Tide Operator s Manual This 1s a three volume set of tide tables divided as follows Volu
180. oint Bank A window pops up on the screen to confirm your key depression and to tell you where the Mark position is being stored You can go into the WPT menu and edit the coordinates or description later This key function 1s disabled for 2 seconds after each depression 16 32 59 0400 8 4 56 8102 Position stored Olid in WPT Ha 1 4 56 9260 f Version 2 0 The cross hair symbol to the left of the date in the Waypoint Bank indicates that the Mark or Event key created this waypoint Note that you can also select the cross hair symbol from the various sym bols for other waypoints when editing waypoints The CDU 1s also capable of performing this function from a remote contact closure input via the Cable B MOB Event wire Refer to the Installation amp Service Manual for interface instructions Contact clo sure on the two input pins for less than 2 seconds causes a Mark position to be generated Contact closure on the two input pins for longer than 2 seconds causes a Man Over Board condition to be gen erated Note The marker stores the position of the antenna loca tion Keep this in mind if you are trying to pinpoint items such as buoys crab pots etc For some special appli cations such as these you may need to locate the an tenna at the point on the boat or ship where you need to make this exact measurement OJ Operator s Manual GOTO gt GOTO
181. on Therefore changing the state of the alarm in a screen such as Anchor from Off to On will also cause the anchor alarm in this screen to go from Off to On Likewise if you turn the anchor alarm from On to Off in this screen the Anchor screen will also match this one Anchor Anchor Watch Alarm This screen allows you to setup an anchor watch alarm and maximum drift radius after you drop the anchor The receiver will remember the drop coordinates and provide an alarm if the antenna drifts beyond the maximum distance you entered If you are on a large commercial ship don t forget that the anchor may be several hundred feet from the receiver antenna You will need to consider this when setting in the distance HHO WATCH 8 Anchor Configuration Ei qAnchor Configuration Anchor watchr 11 1 Hogi A Anchor watchr vast 8 Distancen O 100Mm ETE Distance Point COG SOG Course amp Speed Filter Settings amp Setup 100 This screen controls the Speed Over Ground SOG units of measure meters per second kilometers per hour miles per hour or knots You Version 2 0 Configuration Operator s Manual can also set a filter time to average your speed and course over ground measurements This helps to smooth these measurements on the dis play and NMEA output a particularly useful tool for slow moving vessels and vehicles The default filter
182. or on the Freguency You can only complete the manual tun ing operation by pressing the E key when the Frequency is high lighted Program the frequency you desire and press the E key The CDU will automatically update the Station ID If the beacon is transmitting its location the CDU will calculate the distance between the reference station and the receiver You can usually find the current beacon status location and operating information from the governing country s Coast Guard or Maritime Safety Administration You will find a list of known beacon stations in Appendix C Beacon List at the end of this manual This list may be incomplete in which case we encourage you to contact the appropri ate governing agency Version 2 0 97 Operator s Manual GPS Once you have entered the data for several beacon stations you can cycle between these stations by pressing the Next Station or Previ ous Station softkeys These softkeys are only displayed if you have entered a name for the reference station The window on the right side of the display indicates which satellite ID s are receiving corrections When the PRN number is shown in inverse video this indicates that the receiver is using the correction in the navigation solution The Corr value is the actual satellite range measurement correction given in meters This value is typically be tween 20 and 20 The Age value indicates how long it has been since the satellite range correct
183. orrections that are being received Shown below are two GPS6 screens the left showing the MX420 2 DGPS status screen while the right showing the MX420 8 screen Note the slight difference in the amount of information available between the two models GPS 6 DIGFS STATUS Hames Frequency Station Id Distance Kja 1 Health Signal 49 MX420 2 GPS6 Screen MX420 8 GPS6 Screen Status will tell you whether the correction data is being decoded is error free or not Normally Status will indicate either DGPS mode Off DGPS OK Tracking or Searching Automatic search mode or No Lock Manual tuning mode DGPS OK indicates that RTCM SC 104 DGPS corrections are being received without errors within the Age Limit setin CFG1 DGPS These information originates from the MX421B beacon receiver Searching indicates that the beacon receiver is search ing for the appropriate frequency and or modulation of the beacon transmitter in automatic search mode No lock indicates that the bea con receiver is not receiving DGPS corrections from the selected sta tion in manual tuning mode You might see the label Tracking which indicates that a MSK beacon signal is present but DGPS corrections are not being received This is usually caused by high noise on the beacon receiver or external device If you press the E key you can select between Automatic beacon search mode Manual beacon tuning mode or Off When the receiv
184. ove the magnifying glass icon over the waypoint or marker that you want to go to Version 2 0 41 Operator s Manual F EET Femalring 12 11 8 Hm JHext WPT ERG 171 RNG 205Hm ee ke 171 Verify that the waypoint number and coordinates are correct in the left hand window 4 Press the GOTO function key 5 Press the E key to exit the edit mode Note that RTE1 and PLOT are updated with your new waypoint Reversing the Active Route Once you get to your final destination you might want to follow the same route home To quickly accomplish this simply use the Reverse Direct softkey from the main RTE menu 1 Select the RTE key until the RTE1 screen is displayed 2 Press the E key 3 Press the Route Control softkey 4 Press the Reverse Direct softkey 5 Press the E key It s that simple 42 Version 2 0 Route Operator s Manual ZO WPT 8 1 82 Hm Jun 2001 21 00 Escape Escape Reverse Direct h7958 029 Direct h2957 7895 Notice that you still keep the same orientation on the screen in other words you always read from the top of the screen to the bottom of the screen The waypoints are rewritten in reverse order for you Version 2 0 43 Operator s Manual Route ETA Setup If you choose to use this function it is probably better to
185. perate as independent navigator units with dedicated antennas The Integrity Monitor IM feature is a software option that works only in the MX420 8 CDU hardware This configuration allows data to be shared between two remotely separated stations i e navigator s station and helmsman s station with independent access to various information fields The purpose of this configuration is to enable each CDU to calculate its own position then check the operational status of the other GPS receiver The GPS receiver with the best overall operational status then provides the system position This provides a fully redundant system with self recovery capabilities The Integrity Monitor function can be set to Automatic switch over forced to the Master unit or forced to the Slave unit for position and navigation functions MX421B MX421B Smart DGPS Smart DGPS Antenna Antenna MX420 8 CDU MX420 8 CDU 0000 LAAL Unit 1 Unit 2 MX420 BRIM System Configuration 4 Version 2 0 DGPS Operator s Manual MX420 MKD Minimum Keyboard and Display for AIS An entry level MX420 AIS CDU model supplied with an IMO compli ant AIS transponder unit All the AIS transponder setups and controls are done through the MX420 It also gathers the ship s sensor data and organizes the information for transmission via AIS High speed serial data ports are provided for output to the ECDIS chartplotter ARPA radar and other shipboard systems It
186. points may be in the message The number of remaining waypoints can be set to 1 2 or all default all shortening the drawn track on the plotter I7 Checksum can be set on or off default on WPL Waypoint Location NMEA 0183 Standard Latitude and Longitude of specified waypoint The content of this sentence will normally be the position of the next waypoint in the route The CFG1 NMEA out WPL has a special Send All option Selecting this feature will send all the waypoints in the Waypoint Bank once independent of the WPL sentence setup as ON or OFF This format conforms to the NMEA 0183 standard WPL can be sent as version 1 5 2 0 or 2 1 field 2 3 4 5 6 7 SGPWE GALLI AL sa VY VA r CCC DR EERSELE explanation actual use 2 amp 3 Waypoint Latitude North or South N S number of decimals can be set to 2 3 4 or 5 default 2 4 amp 5 Waypoint longitude East or West E W number of decimals can be set to 2 3 4 or 5 default 2 6 Waypoint identifier T Checksum can be set on or off default on The WPL record can also contain the description information when Include Waypoint Names in the CFG1 NMEA Details is selected WPL Waypoint with Symbols amp Description NMEA 0183 Expanded Latitude and Longitude of specified waypoint The content of this sentence will normally be the position of the next waypoint in the route Version 2 0 61 Operator s Manual Waypoint Fielder SGPWPL
187. pond to the MX420 AIS with permission to reply To look at the long range list press the AIS key several times until it shows the AIS 7 Long Range screen as shown below TIME MMSI 1000 Fed H KRE 1200 roo H AAA AAM E NEXT PAGE Display Field Descriptions ID Query index number 0 99 TIME Time when the long range message was received HH MM MMST ID of reguesting station REPLY YES means the query has been answered NO means no reply has been sent yet ABCEFIOPUW an X under each letter heading denotes the information re quested in the interrogation message Reply message description A Ship s name call sign and IMO number B Date and time of message composition C Position E Course over ground F Speed over ground I Destination and Estimate Time of Arrival ETA O Draught Version 2 0 161 Operator s Manual Automatic ldentifaction System P Ship Cargo type U Ship s length breath type W Persons on board Softkey Descriptions Pressing the E key will bring up the following softkeys AE press this softkey to advance the display to show the next page of informa tion AE press this key to show the previous page of information ye this softkey becomes available only when Long Range inquiry is received otherwise it will not be there To reply to long range interrogation in manual mode do the following 1 Press the ke
188. posed to the waypoint you are travel ing towards in your active route If you want to alter your present course you can do it very quickly from here 1 Move the magnifying glass to the new waypoint you want to go to 2 Press the GOTO function key 3 Press the E key You are done What the above routine actually does is insert two new waypoints into your active route Let s say that you have an active route with 7 waypoints 21 through 27 in it Some time after you pass the first 4 waypoints WPT 24 you decide that you want to alter your course to a waypoint in the Waypoint Bank but you can t recall the waypoint number So you go into the PLOT1 screen locate WPT 35 with the magnifying glass and press the GOTO function key At this point the active route RTE1 is modified by placing a new waypoint your present position 1 e WPT 1996 after WPT 24 This new waypoint is shown in inverse video indicating that you have already passed the position This is good for you because you can indicate in your logs later on when and where you altered your course by the time stamp and coor dinates in WPT 1996 Next you will see WPT 35 in normal video followed by waypoints 25 26 and 27 Is RTE1 Was Changed To Waypoints Added By GOTO Function sd WPT 1996 WPT 35 Customizing the Display 74 There are a number of display options available press the E key to modify the screen to your needs Version 2 0
189. r 10 for MX420 8 Note Ports 3 amp 4 are reserved for the MX421 GPS and Beacon controls and will not be selected Wind Speed Unit miles per hour meters per second knots kilometers per hour Alarm If No Data Allows you to receive an audible and visual alarm if NMEA 0183 data is not being received on the data port at regular 130 Version 2 0 Configuration Operator s Manual intervals typically every few seconds The available choices are Yes default or No AWA Offset Allows you to input a constant angle correction value AWS Correction Factor Allows you to input a wind speed correction factor Input Sentence Specifies the NMEA 0183 data sentence to read the depth data from The available choices are Any default MWV or VWR sentence It is better to specify the appropriate sentence because more than one method of reporting wind may be available on the port Wpt amp Rte Input Uploading Waypoints into the Receiver This screen enables the input data port to receive waypoints and routes from a chart plotter PC or other device to the receiver You can receive this data through any of the user NMEA 0183 input data ports Load the WPL sentences first then the RTE sentences Change Transducer Connected from No default to Yes and select the appropriate port Refer to the Waypoints Uploading Waypoints from Other Devices section of this manual for more details on the software interface Refer to the Installation amp S
190. r is the port name you entered in the TIDE2 screen 19351 Los ngeles Harbour igh j ngeles Harbour High Day Tue Jun 12 2001 02 30 Day Tue Jun 12 2001 02 30 ET Lows Lows 7 O30 03 20 16 00 16 00 Marker Marker 00 03 OE 09 12 15 18 21 Zeng 00 03 DE 09 12 15 18 21 Zone Time UTC Eg Time UTC Marker Marker Marker Day Day Marker Marker Marker Lo row 1 1 Lo Version 1 5 A graphical representation of the tide is given in the middle of the screen The tide peak references are given to the right of the High Low time on the right of the screen High Low tide times are given to the right of the graph The marker time indicated by the clock icon or sign in the graphic area and tide condition are given below the High Low tide information The tide marker automatically updates to the current time When the tide marker is in the automatic mode the cross hair indicator is en closed with a circle like a clock You can move the marker forward or backward in time using the softkeys at the bottom of the screen Re turn the marker to the present time by simply pressing the Marker to 83 Operator s Manual Tide Now softkey When you move the tide marker off of the present time the marker changes to a sign The marker will remain at the manually positioned mark until you either press one of the manual marker con trol softkeys or until you press the Marker to Now s
191. rd Press the key several times until the AIS 10 AIS Password screen is displayed 2 Press the E key 3 Make sure the PASSWORD LEVEL is set to ADMINISTRATOR If not press the TOGGLE LEVEL softkey Substitute with the USER level to change the User Password 4 Enter the current password To bring up the lowercase letters press the key with T 8 the desired letter and hold it down for about 3 seconds Once the first letter is in lowercase the succeeding letters will be in lowercase You may have to press the numeric keys once or twice to get the desired letter 1 e to get the letter 1 press the 3 key 3 times The cursor will advance to the next character automatically when you pause for more than 2 seconds Use a 4 character minimum password A password can be up to 8 characters Press the down arrow cursor key to move the cursor to NEW ADMINISTRA TOR PASSWORD field Enter the new password Press the ie softkey to save the new password into the AIS transponder Write down the new password and store it in a secure place Note This display is available only under SAAB transponder selection Not shown under ATLAS Version 2 0 Datum List Operator s Manual PLOT 3 AIS Plot Screen The PLOT3 screen is accessed by pressing the PLOT key several times until the PLOT3 screen is shown This display shows a graphical representation of the area surrounding the vessel All bo
192. rdinate to draw the lines for the plot screen There are a finite number of plot points which can saved in memory before the CDU begins overwriting the first set of plot points If you are traveling a long distance at a high rate of speed say over 10 knots you probably will want to use the Normal selection which only stores a plot point when your direction changes If you are doing some tight maneuvering or station keeping tasks you will probably want to use the Detailed selection which stores a position every 0 5 meters The Fine selection stores a plot point every 7 meters PLOT 2 Relative to Marker Version 2 0 The PLOT2 functions are the same as the PLOT1 Refer to the previ ous section for customizing the display One added feature to the PLOT2 screen is the ability to place the marker at any coordinate that you want and have the CDU automatically calculate a bearing and distance to the marker JA Operator s Manual Plot Watching Nothing H 26 06 5314 Ju 80 05 742 4 Datum Ed 315 ee 706 5314 S0 O3 7 428 B33Nm marker options plotter South If you want to relocate the marker press E to enter the edit mode then press the Move Marker softkey You can move the marker by defining a coordinate see the flashing cursor over the coordinates in the upper left window moving the magnifying glass using the cursor keys and pressing the To softkey or by pressing the 7o N softkey which moves the
193. re two RTE screens The NAV functions are highly interactive with the RTE1 screen The RTE2 screen allows you to create a pool of predetermined routes that you might use often so you need only create the route one time Routes are created from waypoints All waypoints are stored in the Waypoint Bank regardless of which func tion is used to create them Waypoints are either created in the Waypoint Bank WPT1 created by the GOTO function selected from the PLOT screens in conjunction with the GOTO function or from New Waypoints that can be defined in the Route Insert menu and simultaneously stored in the route and the Waypoint Bank We recognize the diverse needs of professional users We have de signed the route features to be very flexible to meet a wide range of users requirements by allowing up to 2000 waypoints to be stored between all of the routes You can create up to 100 routes with any number of waypoints providing the maximum number of 2000 waypoints between all routes is not exceeded The Route RTE function serves two purposes 1 The RTE screen provides all of the current or active waypoint navigation data to the Navigate and Plot screens and 1s referred to as the Active Route Therefore whenever you begin a new trip or voyage you should erase the previous voyage s waypoints in this screen then insert the new waypoints or routes from RTE2 for the new voyage If you want to store the waypoints from the previous a
194. reen SONAR ER ER GE 8 Yellow si EE EE EE DE GE EE De 9 BIG en SONAR EE Ie SE od EO Ee ee 9 GPS Traffic Light OperatOn SE SE SE be Ge ee oe 9 Ed FASO ER GE DE EG ee eeatatn ee 9 YGOOW SONG EN EE GE EE Ee kr 9 PROC SON RE EE a GM EG EE a 9 VEG SONAR EE EE ee ecient 10 Gree r E NEEE 10 TIC DISDIQV asks 10 0 VNG SONKCY Ss RE ER EE EE EE ota ER 11 ING Funelon Kes Ee de E idea 11 Version 2 0 i Operator Manual Table of Contents Automatic Identification System AIS iese 16 12 EE EE EE N EEEE EE EE ER Ee ON 17 Dead Reckoning iizina na naaananaananannannannannnnnnnnnnnnnnnnannannannannnnaana 18 NAV 1 The Panorama Screen aaiaaiainaaasaaasaasaanananaanananaanaanaaana 18 NAV2 Basic Steering Information uiaiaaaasaassansannnnsaanaannaanaa 21 NAV 3 Expanded Navigation Information aiainiaasavssasssananna 22 NAV4 Sensor Input Navigation 23 FRIES ea se eee nt EO ose r EE ee ie 2 RTE1 The Active Route ses ESE Ne RS see SE se De des 28 Creating a Route Using the GOTO Key ie ee ee ee 29 Erasing an Existing Route iese esse see ee ee See ee ee ee ee 32 Creating a Multi Waypoint Active Route iese see eek 33 Insert BY Number uanxnaznananannnnanunnnnnnnnnnnnnnannnnnnannannnnnnnnnannna 34 ChoosE IN Bank se Ee ee RE ED ee
195. rmation 9 reserved for future use of ships DG Dangerous Goods HS Harmful Substances operations MP Marine Pollutants Note The identifier should be constructed by selecting the appropriate first and second digit 150 Version 2 0 Automatic Identification System Operator s Manual AIS Function Key Ten AIS display pages are available under the AIS key Pressing the AIS key repeat edly will scroll through the following AIS screens paging can also be done by using the left or right arrow keys after pressing the AIS key namely AISI OWN SHIP DATA AIS2 REMOTE SHIP LIST AIS3 RX SAFETY MSGS AIS4 TX SAFETY MSG AIS5 TX SAFETY LIST AIS6 REGIONALAREAS AIS7 LONG RANGE LIST AIS8 AIS DATA LINK SAAB transponder only AIS9 AIS STATUS AIS10 AIS PASSWORD SAAB transponder only AIS 1 OWN SHIP DATA This display shows the ship s information transmitted by the AIS transponder Information such as ships s name MMSI call sign IMO ship type cargo navigation status are all configured under the AIS Static setup while the destina tion and ETA are taken from the AIS Voyage setup It also gives you an idea which GPS is being used under the GPS Source field and its antenna offset data Hamer Macintosh AGE 999 T AMMST 4251 Hav Stat Hot Defined CALLSIGN Apples Ship Cargo Type 37 O 99923 GPS Source PRIMARY 33 48 5030H GPS Ant Pos HOON 118 21 182 50 B 00
196. rom GPS data Refer to the diagram below to see a graphical representation between VMG and WCV Version 2 0 Route Operator s Manual Velocity Made Good Beginning Present Next Waypoint Position Waypoint SOG 13 Kn lt Distance to gt Effect of Waypoint Travelled Set amp Drift Original Course Line Waypoint Closure Velocity Present Beginning Position Next Waypoint SOG 13 Kn Waypoint WCV 9 Kn me Extended S Effect of Set amp Drift A WCV is based on Original Course Line Extended Course HTS to Line COG SOG counter 6297 01B 100 BRG amp RNG to WPT Set amp Drift Below this information you will find your Set and Drift data which is calculated using GPS and your compass and speed sensor inputs Reset XTE and Skip Waypoint described at the end of NAV2 is also available in NAV4 The window on the right displays depth information coming from the depth sounder unit using the NMEA 0183 record of DPT DBS DBT or DBK These are setup in the CFG1 Depth screen refer to the Con figuration section of the manual and the Installation amp Service Manual for full details on depth data Below the depth data you will find the next route leg vector the Range to the waypoint and Time To Go data explained in the NAV3 section Note The NAV function is not active in the MX420 AIS Basic model without the MX421 antenna Version 2 0 27 Operator s Manual Route Route 28 There a
197. rom the Waypoint bank 5b If you select Remove Unused the CDU will delete all waypoints that are not locked or stored in a route You will be prompted to confirm the deletion All waypoints which are unlocked and not used in a route will be removed Do you want to continue 7 5c If you select Remove Range the CDU will delete all unlocked waypoints that are not stored in a route between a range of waypoint numbers that you enter You will be prompted to con firm the deletion Version 2 0 Sy O erator s Manual Waypoint LJAVF LIHT Waypoints in the specified range will be removed First Wet numberu 100 Last wept numberr 120 Escape pT Remove Fi Locked upt and wpt s in routes Will not be removed an 6 Press the E key Moving waypoints 58 This feature allows you to create a range of waypoints within a par ticular area For example you could put all of the waypoints for fishing spots near Catalina Island in the range of 500 to 530 all the waypoints for Cabo San Lucas in the range of 575 to 600 etc To move a waypoint or range of waypoints 1 2 3 4 Select the WPT key until the WPT1 screen is displayed Press the E key Press the More softkey Press the Move softkey 5 To move a single waypoint enter the original waypoint number on the First WPT Number and Last WPT Number 5b To move a r
198. route Remember you can always tie routes together in the Active Route by inserting one after another You will find a Route Name softkey when you first enter the edit mode The Route Name selection allows you to identify each route by name number and symbol when you are viewing the Route Bank from the main menu To create a route 1 Select the RTE key until the RTE2 screen is displayed Move the cursor to the route number you want to create or edit Press the E key A Use the entry methods described in the Creating a Multi Waypoint Active Route section following the exceptions noted above Datuml 24 Foute 1 WPTs Hm 1 Route 1 14 WPTs 5 53 Nm From From i by numb in bank new WET Route If you have a route in RTEI that is not stored in RTE2 you can it into the Route Bank by selecting Insert then Insert Route either in the forward or reverse direction 5 When you are finished selecting waypoints press the Route Name softkey You can enter any name number or symbol you want this route to be identified by Version 2 0 Wavpoint Operators Manual EE TUE EE From Toz ll 1 H 52 58 6210 2 EE 4 56 3070 Ingert Renove Route a D Note Itis a good idea at this point to select Lock Route so that way you won t accidentally erase the route sometime in the future
199. rtical por tion of your position fix Antenna Height Unit This selection determines the unit of measure for the antenna height calculation Available choices are either Meters default or Feet Antenna Height This is the antenna height above Mean Sea Level MSL that you enter for 2D mode positioning 5 0 meters is the default value To achieve maximum position accuracy it is important to enter an accurate value of the antenna height above MSL You can verify your current positioning mode and altitude in the POS POS2 and POSS screens Reference System This setting controls the coordinate system used to display your position The available choices are Lat Lon default UTM Uni versal Transverse Mercator or Loran C The receiver will auto matically convert any waypoint in the Route Bank or Waypoint Bank when a different coordinate system is entered Note that when you select a coordinate system other than Lat Lon data in the NMEA 0183 records will remain in the Lat Lon format as defined in the NMEA 0183 standard When you select UTM you can set the Zone yourself Man or let the receiver calculate the zone for you Auto default Likewise when you select Loran C you can set the Chain yourself Man or let the receiver calculate the chain for you Auto default Alarm For High HDOP This allows the receiver to create an alarm for HDOP values which rise above a number that you determine This indicates that posi
200. s CSI 4 GPS Channels l17 19 41 42 GPS Channels i J Magal v4 85 s1 b2 49 Version 2 0 In addition you can press the E function key and run a complete self test by pressing the Make Selftest softkey The first display of the self test is a keypad test Press each function and softkey once When you have pressed each once the test will automatically advance to the Traffic Light test Observe that the three traffic lights go from dim to bright Press OK if they illuminate correctly or Fail if they don t 165 Operator s Manual Engineering Mode D AUX 7 LIHIT IHFORMATIOHE E UHIT IHFORHATI H f Trarrisliaht test Tupe OK The CDU will go on to conduct a Contrast test Observe that the display goes through its full range of contrast from white to black Press OK if it varies correctly or Fail if it doesn t Next CDU will conduct a Backlight test Observe that the display goes through its full range of illumination Press OK if it varies correctly or Fail if it doesn t E UHIT IHFORMATIOHE LIHIT THE ORMAT Lor f Then the CDU will conduct a Keylight test You may need to dim the lights in the room or shade the keyboard so that you can see the backlights behind the function and softkeys Observe that the keypad backlights go through their full range of illumination Press OK if it varies correctly or Fail if it doesn t E
201. s Refer to the GPSS Oscillator Offset Tempera ture Curve Fit section in this manual GPS Offset is the reported difference in seconds between GPS time and UTC time as reported by the satellite A positive time indicates GPS time is ahead of UTC time GPS Week is the reported GPS week from the satellite You may have heard about a possible GPS week rollover problem within the GPS industry occuring on August 21 1999 or on January 1 2000 The receiver software is designed to correctly adjust to the GPS week rollover and millennium rollover Position is the current calculated position in decimal degrees A posi tive latitude is North A positive longitude is East The value on the far right is the ellipsoid height The ellipsoid height normally varies quite a bit from altitude which is usually expressed in reference to Mean Sea Level Pos Mode is the current mode of your position solution 189 Operator s Manual Engineering Mode MX421 Reset Special tools are available in the MX 420 CDU that can be used to reset the GPS and Beacon engines in the MX421 Use them only in extreme cases when the GPS or beacon receiver fails or takes too long to lock on These reset tools when used will clear the satellite almanac memory of the GPS engine and reset all settings to factory default conditions MX421 Reset Procedure This procedure will work only under Engineering level 3 1 Press the AUX key several times to bring up the AUX7 scree
202. s 3 active spare satellites in six orbital planes about 20 200 kilometers above the earth GLONASS A satellite navigation system developed and operated by Russia Versio 1 5 Glossary Operator s Manual GMT Greenwich Mean Time See also UNIVERSAL TIME COORDI NATED GPSLOG A feature of the navigator that measures the sailed distance based on the GPS signals rather than a water distance sensor GPS SYSTEM TIME Time corrected to Universal Time Coordinated UTC and used as the time standard by the user segment of the GPS system GREAT CIRCLE NAVIGATION Navigation based on a Great Circle calculation The advantage of Great Circle navigation is that it brings you the shortest way through the active route The disadvantage is that a Great Circle track may differ from the straight rhumb line that is easily drawn on a Mercator projected chart Great Circle navigation is recommended for ocean voyages only The advantage increases by higher latitude north or south Horizontal Dilution of Precision An indicator of the two dimensional accuracy in position latitude and longitude See DILUTION OF PRECISION HEADING The direction in which the vessel is pointed expressed as angular distance from north clockwise through 360 degrees HEADING should not be confused with COURSE The HEADING is con stantly changing as the vessel yaws back and forth across the course due to the effects of sea wind and steering error
203. s GPS receiver really is If you are already comfortable with setting up a basic route you might want to skip the examples which follow and jump ahead to the Maneu vering Within the Route section later in this section to understand some of the more advanced features of the software Version 2 0 Route Operator s Manual Insert By Number The following example assumes 1 is empty Follow the directions in the Erasing an Existing Route section to start with an empty route if you have waypoints in the RTE1 screen 1 Select the RTE key until the RTE1 screen is displayed Press the E key to enter the edit mode Select Insert from the display Skip to the next step if RTE is empty oe oN Select Insert by Number from the display Active Route OWPTs Active Route Remaining Hm Remaining WPTs Hm LOREM 5258 3090 t 85 6 9520 f Escape E v in bank new WPT Version 2 0 5 Use the keypad to type in the number you want or the beginning number of a range you would like to select from or use the cursor key to scroll through the previously stored waypoints in numerical order Active Route z WPTs Remaining 1 WPFT 3158 Hm ETH 24 Jun 2001 08 15 6 When you have found the waypoint you want press the Insert this WPT softkey 7 You can then choose to select another waypoint using t
204. s of elevation etc Almanac data 1s valid for 181 days ALTITUDE The height of the antenna over mean sea level AMBIENT Surrounding or encompassing environment ANTENNA HEIGHT The height over the waterline in which the antenna is installed This value 1s used in 2D mode only ATMOSPHERIC PRESSURE See BAROMETRIC PRESSURE APPARENT WIND ANGLE AWA The angle of the wind as measured on the moving vessel relative to the heading of the vessel An AWA of 0 indicates a wind from straight ahead whereas 180 indicates a wind from straight astern An AWA of 90 indicates a wind perpendicular to the vessel from its starboard side APPARENT WIND SPEED AWS The speed of the wind as measured on the moving vessel dT Operator s Manual Glossary Assigned Mode A transponder operates in an assigned mode if it is instructed by an external system to follow certain dictated rules such as which slots to use for transmission Autonomous Mode A transponder operates autonomously if it is independent of external control AUX Auxiliary Port A communication port on the AIS transponder which can be used for NMEA or RTCM input AZIMUTH In satellite navigation the angular distance measured on the hori zon circle in a clockwise direction from the north point in the hori zon to the satellite point in the horizon BAUD Transmission rate unit of measurement for binary coded data bit per second BEARING The direction of o
205. s screen You can differentiate between True and Compass settings by observing the degree sym bol on any bearing or heading display True is indicated by a de gree symbol Compass is indicated by a degree symbol with a small c under the symbol c Havigatbion Great Circle 3 AWITGAT OH Directions Initial Fos Autopilot alyan H Range units Hautical mile Initial Pos i Language E 9 Lighting KTE limit 0 05 Hm El j Log E 9 Log Pulses a Madan j Language XTE alarmi Ho Lighting WPT Pass Criterion J Log i Log Pulses a M40 H Approach distance Compass Magnetic a Heading Dewiation Heading IE XTE Limit Version 2 0 Sets the distance left or right from the course line you consider to be the maximum allowable off track error known as cross track error XTE The PLOT screens will display the scaled cross track error distance The NAV screens will indicate the cross track error in numerical format and present the cross track error graphi cally scaled left or right of the course line XTE Alarm Causes an alarm to sound 1f your position exceeds the maximum XTE Limit defined above when Yes 1s selected the default condi tion To disable the alarm select No with the Change softkey WPT Pass Criterion Sets
206. s selected the de fault condition To disable the alarm select No with the Change softkey TTO Version 2 0 Configuration Operator s Manual Correction Factor Allows you to make minor adjustments to observed or measured errors in your speed through water cal culation The input value will be multiplied by this value be fore it is used in the receiver The default value is 1 00 Both input types have a window in the lower portion of the display which indicates the input value in real time If you input a calibrated pulse rate you can check for the appropriate speed right here You will be able to view the speed log information in the NAV4 screen when it is implemented in future software Log Pulses GPS SOG Log Pulse Output This screen controls the output port Pulse of the speed over ground log output from the MX420 CDU at a user defined pulse rate per nau tical mile This output is normally used to feed GPS SOG to an ARPA radar The default state is that the speed log is not active and set to 200 pulses per nautical mile Refer to the MX 420 Installation amp Ser vice Manual for the hardware interface from one of the NMEA output ports NMEA 1 or 2 for the MX420 2 and NMEA 1 2 or 5 through 10 for the MX420 8 models g Pulse Log Emulation g Pulse Log Emulation Emulation enabled ves H Emulation enabled Yes Dutput port HHMER1 out E 3 Dutput ports
207. satellites regardless of whether a position update has been calculated or not This is also a normal indication if the HDOP is greater than 10 if the receiver is tracking too few satellites or for other reasons as well Read the GPS and DGPS function screens for more information Yellow Green Solid GPS position update DGPS corrections are not being received You may see this from time to time during normal operation It usually occurs when the beacon signal is not available either it is being blocked by terrain or a local object or you are out of range of the transmitter and or you are tracking 3 4 or 5 satellites and the satellites have poor geometry relative to your position The condition will normally go back to green solid when it picks up another beacon station The factory default level for dropping DGPS corrections is 60 seconds During this period your positioning information is less than optimal and position accuracy may be off by as much as 3 to 5 meters Press the GPS function key and refer to the DGPS section in this manual for guidance if this light condition occurs Version 2 0 9 Operator s Manual Keypad amp Display Description Yellow Solid DGPS position update with poor HDOP value You may see this from time to time during normal operation It usually occurs when you are tracking 3 4 or 5 satellites and the satellites have poor geometry relative to your position The condition will normally go back to Green So
208. setting is 10 seconds Velocity Configuration i ME Knot 3 RF F ilter times DIEF 3 liLeF LIME elocity Configuration Example SOG 5 0 Kn 37 5 IDR E I Dual Contrl Dual Contrl 1 GPS i J GPS a 1 Teiti dee Ceo Compass External Compass Input amp Magnetic Variation Table The receiver will accept a magnetic compass input using the NMEA 0183 data record of xxHDT xx HDG xxHDM xxHCC xxHCD xx VHW or any of the above xx refers to the Talker Identifier as specified in the NMEA 0183 standard The receiver will accept these data records from any talker ID and from any version 1 5 to 2 3 of the NMEA 0183 standard A CFG 1 HEI CFG 1 Compass Magneti f Heading Deviation Heading Compass Configuration Compass connected Yes H Data input port hor 1 Alarm if no datas est Compass typer Magnetic a Deviation correction ONE 0 07 EANAN 1 point To implement this feature change Transducer Connected to Yes Identify the appropriate input port that the compass connects to the receiver using the Change softkey or cursor Select whether or not the receiver should give an alarm if data is not received on the input port Select the compass type either Magnetic or Gyro Only the NMEA 0
209. splayed in 15 degrees incre ments 15 Shift bearing search by 15 degrees left Shift bearing search by 15 degrees right User can choose to display the MMSIS by distance relative to the vessel RE Additional softkeys are available Shows the next 7 MMSIs Shows the previous 7 MMSIs Return to the original softkey setup 154 Version 2 0 Datum List Operator s Manual AIS 3 RECEIVED RX SAFETY MESSAGES This display stores all AIS safety messages broadcast by other AIS stations or messages addressed to your ship The MXA20 AIS will retain the last 100 messages received You have the option to manually delete the message by pressing the eg softkey When the number of messages exceeds 100 the oldest message will be overwritten Display Field Descriptions RECEIPT TIME Date and time the message was received SENDER MMSI MMSI of the originator of the message MODE ADDRESSED sent only to this vessel BROADCAST sent to all vessels Text Message received Softkey Descriptions er press this softkey to display the next message received maximum of 100 messages are stored in memory press this softkey to display the previous message received HE delete the displayed message Version 2 0 Operator s Manual Automatic ldentifaction System AIS 4 TRANSMIT TX SAFETY MESSAGE This display allows you to write and send short text messages dealing with safety at sea
210. ss the Return softkey then the Track Plotter softkey you will access the recorded track options Next PT TEFIE ETE TEE 3 i M ede ek ed A eed J ERG 5 p 4 3 You are about to erase track Keep latest Record track Return 76 Version 2 0 Plot Operator s Manual Selecting Erase Track allows you to clear your recorded track You can keep a portion say the last mile or two of your recorded track 1f you like by specifying the range after you press the Erase Track softkey Press Erase Now to confirm your action Press Escape to return the previous screen without erasing or E to abort this process Het W Track EE options i Hert W Track recording options J BRG Save your track A BRG Save your track We Saving Hormal Savina FEEL OR Detailed Accuracy 23 Accuracy 0 451 Saving capacity Saving capacity Z1Hr Hote Tortuous navigation Hote Tortuous navigation reduces the capacity reduces the capacity Change Change Selecting Record Track allows you to define how your course is saved Choosing not to save your track may free the processor up to run other functions a little bit faster however you are not likely to notice any difference in performance unless the four data ports are near their full throughput capacity You also have three different levels of track saving capability Normal Fine and Detailed The software saves each calculated position coo
211. t This display shows a list of ships equipped with AIS transponders that are being tracked within VHF range The list can be sorted by range from your location or by bearing Because of space limitation only 7 vessels are displayed per page More data can be displayed by pressing the softkey then pressing the LR softkey TGT MMSI ERG ENG HAME JOD E 132456 286 999 Robin Hood a01 F 97844 286 999 Queen Latifa 735 286 999 Lion King BEG EMG HAME 286 999 Robin Hood 286 999 Queen Latifa 756 999 Lion King Pressing the RLEY softkey will show display below note BRG range indicated on the top right corner of the display You can scroll left or right by pressing the 15 or softkey to list other ships around you in 15 degree increments Version 2 0 153 Operator s Manual Automatic ldentifaction System Display Field Description TGT Target number of MMSI database for quick vessel access TGT corre sponds with vessels shown on the PLOT3 display The icon indicates the vessel type AIS2 icons and their meaning F Flag Class A or Class B vessel mm Base Station Search and Rescue SAR EP Aids to Navigation MMSI Defines the unique vessel ID RNG Range meters from your ship to the remote vessel BRG Bearing degrees from your ship to the remote vessel NAME Name of remote vessel Softkey Descriptions IE User can choose to have a list of MMSIS di
212. t of your course are navigation markers that you define in the Waypoint Bank WPT1 where a sym bol 1s used as the first character of the waypoint description The Panorama and Plot screens will automatically place these navigation markers on the screen as you approach them The degree values that you see are your Course Over Ground COG as calculated by the GPS receiver s position fix to position fix and Bearing BRG from your present position to the waypoint The speed value is your Speed Over Ground SOG as calculated by the GPS The distance value displayed as the Range RNG is calculated from your present position to the waypoint The Time To Go TTG is the calcu lated time it will take you to reach the waypoint based on your Waypoint Closure Velocity see NAV4 description To keep the screen from jumping around when you are stopped the screen freezes the graphic representation when your speed is under 0 5 Kn in DGPS mode or 2 0 Kn in GPS mode Once you get underway your course details will update appropriately You will see a RL or GC symbol in the upper right corner of the display indicating whether you are navigating under Rhumb Line or Great Circle This is set in the CFG Navigate menu LNSplay options Show waypoints Show achive route Show recorded track Show off track limit Show data window Change Version 2 0 Navigate Operator s Manual If you press the E key the Panorama Display Op
213. te Information This screen provides some basic information about the MX421 smart GPS antenna performance in that it is basically an extension of GPS screen It tells you what satellites are available to track at the moment under the PRN number The signal strength of satellites under track is in the second column labeled S N The weakest signal strength that the GPS receiver can track 1s 25 However any satellite with a signal strength under 32 is considered troubled and the GPS receiver will not use that satellite in the navigation solution Troubled satellites tend to cause position jumps and greatly reduce the accuracy of the GPS po sition fix The EL AZ and STA values represent the satellite s Elevation and Azimuth and Almanac Status respectively AZ STAIPRN S N EL AZ 207 H O 40 ald 64 1267 1 25 306 29 245 9 247 17 135 Low signal to noise S N quality numbers may be an indication of local interference from on board electronic equipment such as Radar INMARSAT SSB and other high power transmitters Review the installation of the entire system to ensure you have followed proper procedures for cabling power and most importantly grounding and antenna placement The majority of these problems will be resolved by better grounding and antenna location selection Regarding ground ing the water intake for the engine or any other electrical ground relying on the engine or gen
214. te compass heading and speed log sensors are connected and activated Refer to the NAV4 and CFG sections of this document When the CDU is in the DR mode a DR icon is displayed in the upper left portion of the screen NAV1 The Panorama Screen Version 2 0 This screen is designed to give you a unique 3 dimensional look at the active route you are to follow It is typically referred to as a runway view because you can see navigation markers your course line the cross track error lines and waypoint flags as you pass them Take a look at the example below If you don t see the information described in this screen you will need to create a route in RTE1 first k Operator s Manual Navigate 20 The somewhat triangular shape at the bottom center of the screen represents the bow of the boat Icons on the screen are always related to this object The two dash lines extending from the bottom of the screen towards the center of the screen represent your cross track error limits The dotted line extending from the bow of the boat icon represents your course line The course line changes direction at the flags which represent your waypoints and continues through to the end of the active route you entered in RTE1 Notice that the cross track error lines end at the first flag As you pass the flag and start the nextleg of your course these lines will be redrawn to reflect the course change Icons that you see left and righ
215. ted as passed that is white char acters on a black background whether this waypoint was passed several waypoints ago or is yet to be passed Then press the E key Active Route iS lWPT Active Route 15 WPTs lt Remaining 13 WPT 5 48 Hu 2 Remaining 13 LPTs 5 46 Hm ETA 7 Jun 2001 21 13 YDatumll34 ETA 7 Jun 2001 21 21 Version 2 0 Operator s Manual Route EE ER Remaining 12 WPTs aay H Use the up softkey to unpass or the down NP softkey to pass waypoints in the route until the waypoint marked by the cursor is displayed with white characters on a black background Daylight dis play see CFG1 Lighting Press the E key to end editing If for some reason you can t select the waypoint you want the screen keeps passing waypoints you unpassed you are probably too close to one of the waypoints You will need to either change your Waypoint Pass Criteria change your Waypoint Pass Distance see CFG1 Navi gation or remove the waypoint from the route Inserting Waypoints or Routes into an Existing Route 1 Select the RTE key until the RTE1 screen is displayed 2 Scroll through the route with the cursor key until the cursor arrow is at the bottom of the waypoint you want to insert the new waypoint after Active Route o APTS Mr i s Remaining 21 ining 2 E 7 m Datums 28 Dot 1996 00
216. tem setup functions High speed serial data ports are provided for outputs to the ECDIS ARPA or other shipboard systems An extra port has been provided for a ship s pilot to plug into the AIS system Version 2 0 141 Operator s Manual Automatic ldentifaction System AIS System Setup Prior to using the MX420 AIS CDU it is necessary to configure the AIS menus under the CFG key namely e AIS Config AIS Static AIS Voyage To access the AIS configuration setups follow the procedure below AIS Config Setup The MX420 AIS was designed to work with several types of marine transponder systems The Transponder Type setup allows the operator to customize the MX420 AIS display to work with either a SAAB or ATLAS transponder other selections may become available in the future The Static Config Update setup is used to determine where the AIS Static configuration information can be updated from Two possible selections are the MKD MX420 AIS or ECDIS a PC based charting system Theis setting is important to determine where the configuration setup will be done and to ensure that all subsystems contain the same AIS configuration information AIS Configuration Transponder Type Static Config Update MED Follow the procedure below to select the transponder type and static config update settings 1 Press the CFG key 2 Press the E key cursor will be on SAAB 3 Press the Cha
217. the end of the next leg The really unique feature of this screen is the graphical representation of your actual course line approach angle relative to the next leg of your course This approach angle is continuously updated in real time and will help you setup for course changes Reset XTE and Skip Waypoint described at the end of NAV2 is also available in NAV3 NAV4 Sensor Input Navigation 24 The NAV 4 screen applies the wind instruments speed log compass and depth sounder inputs from external sensors to your active route as appropriate You can setup the sensors in the CFGI1 screen The Installation amp Service Manual will guide you through the interfacing capabilities of the CDU Use the following CFG1 menus to set this screen up Compass Sets the input port number compass type true or mag netic compass deviation table and the input NMEA 0183 record from which to derive the compass information The NMEA 0183 record should be specified by the user because several NMEA 0183 records may contain compass information This provides you the capability of knowing the compass source exactly The CDU only accepts NMEA 0183 formatted data for the compass input Synchro or stepper gyro compasses are not compatible Depth Sets the input port number units of measure for depths and tide data sensor offset alarms and the input NMEA 0183 record from which to derive the depth information The NMEA 0183 record should be specif
218. the first waypoint or the coordinates you want and their appropriate description oy Operator s Manual Route Insert Route 6 Fe When the information is correct press the Done softkey You can then choose to enter another waypoint using the same method select Escape to go back one level and use another method to enter waypoints or select Done to go back to the main menu Don t forget to press the E key to end your editing The following example assumes RTE1 is empty Follow the directions in the Erasing an Existing Route section to start with an empty route if you have waypoints in the RTE1 screen To perform this function you must also have defined a route in the RTE2 screen The RTE2 description follows later in the Route section 1 Select the RTE key until the RTE1 screen is displayed Press the E key to enter the edit mode Select Insert from the display Skip to the next step if RTE is empty Select Insert Route from the display Active Route OWPTs WFTs Hm Escape forward reverse 20 oe Use the cursor key to scroll through the available defined routes which are created in the RTE 2 screen in numerical order When you have found the route you want press the Insert Fwd or the Insert Reverse softkey Insert Fwd enters the route from the top of the defined list into the active route Insert Reverse enters the route from the bot
219. then names gt Sort By Distance displays the waypoints which are closest to your present location first gt Sort By Age displays the waypoints entered most recently first gt Search For WPT allows you to type a symbol or name and the screen displays all waypoints having the exact match of the name you type If you are unsure of the complete name type a few of the characters you know are in the name and the software will display all waypoints having the corresponding characters Version 2 0 Waypoint Operator s Manual For example 1f you are looking for the LA HARBOR ENTRANCE and you enter HAR the screen will display all waypoints with these three characters in this exact order Creating and Editing Waypoints When editing a waypoint you are always prompted to select the ap propriate datum You might occasionally see a prompt warning you that the waypoint is used either in a stored route or the active route You ultimately have the final decision whether to continue editing the waypoint or exiting this waypoint by pressing the E key again to exit the edit mode Creating and editing waypoints is easy 1 Select the WPT key until the WPT1 screen is displayed 2 Press the E key 3 Press the Make New WPT softkey or align the cursor with the waypoint you want to modify and press the Edit this WPT softkey TT Edit Version 2 0 49 Operator s Manual Wavpoint 3 Make New WPT
220. tic func tions computations of the navigator SOG See SPEED OVER GROUND SOTDMA Self Organized Time Division Multiple Access An access protocol which allows autonomous operation on a data link while automatically resolving transmission conflicts SPACE SEGMENT The orbiting satellite part of the Global Positioning System SPEED OVER GROUND Speed in relation to the sea bed SPHEROID See ELLIPSOID STEERING COMPASS The compass used for navigation It may be a direct reading com pass from which the heading may be entered into the navigator via the keyboard or it may be an electronic heading sensor that enters heading data to the navigator via an optional interface TDMA Time Division Multiple Access An access scheme for multiple access to the same data link Version 1 5 ds TIME OFFSET The number of hours and minutes by which the TIME ZONE dif fers from UTC see below TIMEOUT In the navigator the automatic return to normal operation from edit mode if left unattended The timeout delay is set in CFG 1 Opera tion TIME ZONE One of 24 longitudinal segments around the world each generally 15 degrees and 1 hour wide Please check locally for the exact time zone offset relative to UTC see below TRACK In routes The course lines between the waypoints In the plotter The line showing the past movements of the vessel TRANSDUCER A device that transfers power from one system to another in the s
221. time tag was older than five weeks those stored regions will be erased from memory The operator administrator has the option to do a full or partial editing of the regional parameters when needed The conditions below have to be observed when editing e Use the correct channel numbers see table A 1 page 143 or in the AIS card e Latitude difference should be no less that 20 NM or larger than 200 NM e Longitude difference should be no less than 20 NM or larger than 200 NM e The zone size should be no less than 1 square mile or larger than 8 square miles e Distance to the zone is less than 500 NM from you current position Manual entries violating any of the above conditions will be rejected by the AIS transponder without notifying the operator If the region memory is full the oldest regional memory will be replaced by a newly accepted one Version 2 0 159 Operator s Manual Automatic ldentifaction System FEIGIOHRL GEE IS IH USE Yes TIME 12 00 CHAHHEL BAND Tx Rx 4000 Hormal YY S000 Harrow YOY 1 FOWER High JHE LAT N 3318 0000 SW LAT N 20 00 0000 FEGIOH EEGIOH Display Field Descriptions REGION Region ID 1 8 INUSE YES if the ship is currently operating in the displayed region or NO if not TIME Time in the region HH MM format CHANNEL Channel number assigned to channels A amp B BAND Normal or Narrow bandwidth TX RX Transmit and receive channel status Values N the channel
222. tion Antenna height unit meter 1 NMEA out 1 Antenna Height On NMEA out 2 Reference systems LatLorn 1 HHEH out 3 B Alarm for high HDOP Ha NMEA out 4 alarm limits 4 0 1 Operation Alarmif no update Yes Organizer E Printout 2 Position Mode Auto 2D 3D This setting allows the receiver to automatically switch between 2 dimensional a horizontal position with the antenna height you entered to make up the vertical portion of your position fix and 3 dimensional position fixing You need at least 3 satellites to get a 2D position fix and 4 satellites to get a 3D position fix It may take more than these minimum number of satellites to provide a position fix based on their geometric relationship to your actual position The HDOP and VDOP values described in the GPS section of this manual will give 123 Operator s Manual Configuration you a good clue as to the satellite geometry Auto 2D 3D is the default setting 3D Only This selection causes the receiver to provide a position fix only when the HDOP and VDOP values or the number of satellites allows a 3 dimensional position to be calculated 2D This selection is not accessible to the user The MX420 uses this mode in the Auto 2D 3D mode only when the number of satellites available does not allow for 3D position calculation The antenna height you entered is used for the ve
223. tion and the MOB position In addition the MOB position is displayed in the upper left corner so that you can quickly read the coordinates to others who may be available to render assistance This plot screen also provides the vital bear ing and distance back to the MOB position as well as your present course over ground The MOB position date and time are stored in the Waypoint Bank for future reference e g log book entries Navigation data output on the NMEA ports i e BWC and BWR are changed to reflect the current crisis situation This way other interfaced equipment can also help guide you back to the MOB position When the MOB condition is canceled via a MOB screen softkey the NMEA sentences will automatically revert to the ac tive route information Don t forget to cancel the MOB so your interfaced equipment will read the correct data The MOB function key and remote MOB input are disabled from subsequent activation until the MOB Cancel softkey is selected Other functions such as Position and Navigate can still be ac cessed however the screen will revert to the MOB Plot screen after 30 seconds Bearing and distance information in these other screens relate to the MOB position not the next waypoint in the active route until MOB is canceled To cancel a MOB condition make sure you are in the MOB Plot screen Press the E function key then select the Cancel MOB softkey This MX420 receiver is also capable of perform
224. tion screen will allow you to customize the information presented Version 2 0 gt gt View allows you to adjust the display for a Close zoomed in or a Far zoomed out representation of your route Show Waypoints allows you to turn waypoints which are not part of the active route on and off Show Active Route allows you to turn the course line on or off on the display assuming a symbol is entered for the first charac ter of the waypoint name Show Off Track Limit allows you to turn the cross track error limit lines on or off on the display Show Data Window allows you to select between the two NAV 1 display types depicted at the beginning of this section one in which the data is displayed in various parts of the graphic screen the other in which the data is displayed in a separate window to the left of the graphic screen If you drift outside of your cross track error limit and you decide not to return to your original course line you can reset your course line from your present position to the waypoint by selecting Reset XTE from the display The Skip Waypoint softkey allows you to skip the waypoint you are presently going to and advance to the next waypoint For example if you were under way and nearing waypoint 5 and you decide you want to go on to waypoint 6 now press Skip Waypoint If you make a mistake and you want to go back unskip to waypoint 5 you can do this by the following 1 2 3 4
225. to be defective in material or workmanship Seller shall repair or replace the defective Product at the discretion of the Seller In order to claim this warranty service Buyer shall return the defective Product together with proof of purchase to Seller or its authorized service representative and pay all transportation charges duties and taxes associated with the re turn of the Product to Seller Seller shall reimburse Buyer for costs of the return to Buyer of Product found to be defective and covered by this warranty Product which is repaired or replaced under the warranty is covered by this warranty for the remainder of the original warranty period or for a period of ninety 90 days after return shipment to Buyer whichever is longer SELLERS MAXIMUM LIABILITY ARISING FROM USE OF SELLER S PROD UCT SHALL NOT EXCEED AND BUYER S REMEDY IS LIMITED IN ANY EVENT TO REPAIR OR REPLACEMENT AND REIMBURSEMENT FOR COSTS ASSOCIATED WITH THE RETURN OF THE DEFECTIVE PRODUCT AS PRO VIDED HEREIN AND SUCH REMEDY SHALL BE THE BUYERS ENTIRE AND EXCLUSIVE REMEDY This warranty does not apply to failure of any equipment not sold to Buyer by Seller or to any Product which has been subjected to misuse an accident or improper installation maintenance or application nor does it extend to any Product which has been repaired or altered by anybody other than the Seller or its authorized service representative unless such repair or alteration was au thorized
226. tom of the defined list into the active route so that you can travel down the route in the reverse direction You can then choose to select another route using the same method or select another method to enter waypoints Don t forget to press the E key to end your editing Version 2 0 Route Operator s Manual Maneuvering Within the Route Scrolling You can use the cursor key to scroll up and down the active route You will probably want to do this when you update your log book to indi cate when you passed a given waypoint or when you want to know the ETA to a waypoint other than the one you are currently traveling towards It is also a good idea to set the cursor at the correct waypoint before entering the edit mode to insert and delete waypoints from the route Skipping and Unpassing Waypoints You are likely to run into an occasional circumstance where you acci dentally skipped a waypoint due to your waypoint pass criteria selec tion in the CFG1 Navigation screen or a manual skip in the NAV screens and you want to switch back to a previous waypoint in the active route You may also decide at some point that you want to skip the current or subsequent waypoints in the route The software has a very simple design to accomplish both of these tasks The easiest way to accomplish either of these tasks is to scroll through the route with the cursor key until the cursor arrow is at the bottom of the last waypoint you want designa
227. ust as in NAV1 you will see an RL or GC symbol in the upper right corner of the display indicating whether you are navigating under Rhumb Line or Great Circle This is set in the CFG1 Navigate menu NAV 3 Expanded Navigation Information Navigate screen 3 has four windows The upper left window is a smaller version of NAV2 Please read the previous section for a de tailed description of this window The two windows below this one indicate the current date time and the ETA to the end of your route for the time zone currently entered The date and time format is set in the CFG1 Time menu The and TTG in the right hand window are filtered over time so allow the filtering to settle when you first make a course or speed change The filter time is controlled in the RTEI ETA Setup screen The Time To Go TTG value on the bottom of the right hand window expands from HH MM SS to HHHH MM SS when the time to go is greater than 99 59 59 Also these values are calculated by using your Waypoint Closure Velocity WCV not your SOG WCV is described in short detail in the N4V4 section which follows Version 2 0 23 O erator s Manual Navigate HALVIGATIHG ee 165 B66 eu GAS F 165 7 6 WP 3 165 7 by UP 3 You will find the right hand window to be a helpful tool In addition to identifying the waypoint you are currently approaching it identifies the waypoint at
228. ut aiinaatanasans nsannnaa 111 MX480 MX480 PC Chart Interface Control see see se 111 Navigation Navigation Method amp Waypoint Pass Criterion Control 112 NMEA Out 1 through n NMEA 0183 Output Data Control 115 Other Special Cases Affecting NMEA 0183 Records 120 Operation General Setup and Control Settings aiivinainaai 121 Organizer Automated Message Reminders a nia see 122 Position Positioning Reference Mode amp Alarm Control 123 Printout 2 Printer Output Control anaiiaaasansaaasansaannnanannnannaa 125 ROT Raleol Iss EE SR RE REA 128 SECUN et RE l a lai 128 Sela VORE a OE OD ee ee 129 Version 2 0 V Operator Manual Table of Contents Time Mode and Format Control ai aaa ani ee ee ek ek ee ee 129 Mile RR R s RR Ee 130 Wpt amp Rte Input Uploading Waypoints into the Receiver 131 Appendix A Automatic Identification System AIS ee ee ek 133 MOGUCOM z stark a r E 133 AlS SV SIGNI SOUD Eb EE EA EE ie 142 Configuring the AIS Static Setup iese ee ee ee ee 142 Configuring the AIS Voyage ie ee Ee Ee ee ee ee ee 147 AlS FUNGCHON KEY EE EE N EG SE a a a ba 150 AIS 4 OWN SHIP DATA EE Ee ND AO ee 150 AIS 2 REMOTE SHIP IS F ee este fee ee se ep ee Ee bed 152 AIS 3 RECEIVED RX SAFETY MESSAGES 154 AIS 4 TRANSMIT TX SAFETY MESSAGE 2 sesse 1
229. w WPT to define the coor dinates of the first waypoint Then use the Insert New WPT softkey to define subsequent range and bearing coordinates from your original position This technique allows you to quickly define your search pattern control the pattern separation and view your progress along the way The CDU will prompt you to turn at the predetermined waypoints you defined This allows you to pay more attention to the task at hand rather than having to keep a close eye on the GPS re ceiver C Man Over Board 80 The Man Over Board function key 15 located at the bottom right hand corner of the CDU When depressed for few seconds it activates a number of automatic functions described below You can also active it by pressing E and selecting the Activate MOB softkey Version 2 0 Man Over Board Operator s Manual Most obviously it brings up an MOBI Plot screen This is an auto matic scaling screen The screen centers on half the distance between your present position and the MOB position In addition the MOB position is displayed in the upper left corner so that you can guickly read the coordinates to others who may be available to render assis tance This plot screen also provides the vital bearing and distance back to the MOB position as well as your present course over ground The Man Over Board function Man Over Board function 12 now OFF is now OFF Press the w key for two To activate Press seconds to act
230. weaker stations further away in favor of those nearby Under the SOTDMA protocol each minute of time is divided into 2 250 timeslots Version 2 0 Operator s Manual Automatic ldentifaction System 138 An AIS report fits into one or several of these 2 250 timeslots which are selected automatically based on data link traffic and projections of future actions by other stations currently on the network When a ship first enters the cell of another ship it takes an unoccupied timeslot The AIS stations continually synchronize their slot selections with each other Timeslots and time out periods are selected on a randomized basis When a station changes its slot assignment it announces to all other stations on the channel its new location and time out for that location Each station continually updates its internal slot map to reflect changes in occupied slots and time outs Special provisions are made for automatic conflict resolution in the event two stations end up in the same timeslot to ensure that stations always choose unoccupied slots In situations of high traffic density it may be necessary to reduce the number of ships in a communication cell as described above This enables time slots used by weak stations far away to be used also by a station nearby The AIS system applies very specific rules on how this reoccupation of timeslots is done The key to the SOTDMA scheme is the availability of a highly accurate standard
231. which causes low elevation satellites to pop in and out you might choose to set the elevation limit to 15 so that only satellites above the tree line are tracked The Antenna Offset allows you to virtually offset your antenna That is if you are forced to place the antenna in a location other than where you want your position fix calculated due to superstructure or other high power antennas you can place the antenna in a practical location Then enter the appropriate Antenna Offset and the receiver will calculate your position in the place where you would have preferred to place the antenna For example if the antenna is placed on the port wing of a container ship and you want to calculate the ship s position based on the keel line and half the length of the ship you might enter an offset of 10 meters Starboard and 53 meters Forward It is important to note that many applications where an antenna offset is desirable will also require very precise positioning at slow speeds to locate crab pots place buoys etc In applications where the boat speed is very slow the course over ground COG position will begin jumping more and more as you approach a full Operator s Manual Configuration stop This will cause position jumps and these jumps will be more severe the farther the antenna offset projection is Should you choose to use this feature it is required that you use a compass input to the receiver so that the prop
232. with may not correctly decode the checksum or may require the checksum Output Rate maximum once per second unless the Multi Hertz option 1s installed Refer to the Total Load Is section which follows Note All position information contained in any data record is Most output in the local datum selected in CFG Position ex cept GGA which provides a selection in the Details screen to output in either WGS 84 or the datum selected in CFG Position NMEA Version Some of the NMEA 0183 records are no longer supported by version 2 1 However you may have an autopi lot plotter or other older model eguipment that does not sup port the newer version of the NMEA 0183 standard The re ceiver provides you the flexibility to interface using older ver sions of the NMEA standard to support these devices l Initial Pos 4 Language Lighting a Log i Log Pulses i Havigat ion THHEO nut 1 Details WEER REEEEREEREEREREERE NEER ERRER EE REREEEERREE TTT rr O unnnnnunnunnnnanunnununp nana nn EE EER RE E RE KEER EER RE ERE NEER REEN EE RE NEER REEN EE RE NEER ERER EE RE RE H AFA Autopilot format H OfT 8 AFE Autopilot format E Off 3 H BOD Bra Orig ta Dest Off E 43 9 BWC Actual Bra Dist 0fF AL Decimals in ERG true field A OTM Datum Reference Off GGA GPS System Fix Data 0ff ange Residues
233. within VHF range The unique communications scheme permits these data transmissions to take place independently without the need for a master control station Autonomous Ship to Ship Reporting Figure 1 ID position course speed time Ships transmit AIS reports automatically on a common VHF channel Timeslots for each data transmission are synchronized by the precise GPS time standard Version 2 0 33 Operator s Manual Automatic ldentifaction System Position and other data are fed automatically from the ship s sensors into the AIS system where the data is formatted and transmitted in a short data burst on a dedicated VHF channel When received on the other ships the data 1s decoded and displayed for the officer of the watch who can view AIS reports from all other AIS equipped ships within range in graphic and text format The AIS data may optionally be fed to the ship s integrated navigation systems and radar plotting systems to provide AIS tags for radar targets The AIS data can also be logged to the ship s Voyage Data Recorder VDR for playback and future analysis Updated AIS messages are transmitted every few seconds to keep the information up to date Note that the ship to ship data exchange takes place automatically without any action required by the watch officer on either ship In pilotage waters a pilot can plug a laptop computer loaded with his own navigation program di rectly into the ship s AIS system
234. y base station transponders to allocate transmis sion slots on the data link These slots are fixed and will thus not change until the base station transponder is re configured Versio 1 5 Glossary Operator s Manual FILTER TIME If the GPS signals are distorted by Selective Availability S A the COG and SOG readings will be unstable especially at low speeds In order to smooth out the readings you can adjust the COG SOG filter time CFG 1 COG SOG FLUX GATE COMPASS A magnetic compass sensor without needle or card whose two or three phase sinusoidal output is a heading reference Interfaced to the navigator via the NMEA interface FM Frequency Modulation The method by which a signal offsets the frequency in order to modulate it on a data link FORCE HEALTHY A feature of the navigator that permits the user to override the data flag in the almanac that tells the navigator that the quality of the data from a satellite is inadequate for navigation This feature should be used only with the greatest care FORCE UNHEALTHY A feature of the navigator that permits the operator to inhibit a satellite position update even though the quality of the data from that satellite apparently is acceptable FUNCTION A specific operational capability of the navigator FUNCTION KEY A key on the front panel of the navigator that selects a specific function GEODETIC Associated with the science of Geodesy which includes the means
235. y several times until the AIS 7 screen appears 2 Press the E key to show the softkeys 3 Press ia softkey A pop up window requesting for an ID number will appear 4 Enter the listed ID number to reply to 5 Press E key to exit 162 Version 2 0 Automatic Identification System Operator s Manual AIS 8 AIS DATA LINK STATUS This display 15 present when the transponder type SAAB in the AIS Config screen This screen gives the user an idea of how busy is the AIS transponder Total loading should not be more than 80 on each channel for efficient operation AIS CATA LIHE 35 ser 35 ser CHHL A CHHL E Mode AUTOHMOMOUS ASSIGHED Load Total MMSIs 6 6 Display Field Descriptions Age Number of seconds when last message was received 1 999 Mode The AIS transponder operation can either be autonomous or assigned Load AIS receiver throughput 0 100 Total MMSIs Total number of vessels using the AIS system 0 500 Note This display ts available only under SAAB transponder selection Not shown under ATLAS Version 2 0 163 Operator s Manual Datum List AIS 9 AIS STATUS This display shows the operational status of the AIS transponder JAIS Primary External DGHSS In Use JAIS HDG Data In Use The table below is a list of possible text messages generated by the AIS transpon der Text Messages AIS UTC Clock Lost AIS Primary External DGNSS In
236. you are unsure of the current operating mode select the CFG function key and scroll down to the DGPS selection If the DGPS mode is se lected to anything other than Off then follow the Differ ential GPS Traffic Light Operation If the DGPS mode is selected to Off then follow the GPS Traffic Light Opera tion 8 Version 2 0 Keypad amp Display Description Operator s Manual Differential GPS Traffic Light Operation Red Flashing Not tracking satellites no position update This 1s normal for the first 2 minutes or so when turning the unit on The very first time you turn the unit on or if the memory is reset or lost this condition is also normal Allow the receiver to run for at least 30 minutes under these circumstances If it still does not change to Red Solid refer to the troubleshooting section of the Installation amp Service Manual An icon similar to the one at left will be displayed in the upper left corner of screen Red Yellow Solid Dead Reckoning When normal GPS or DGPS operation 1s not avail able this LED sequence is provided to quickly identify the DR naviga tion mode A DR indicator is also displayed on all screens Red Solid Tracking one or more satellites no position update This is also normal for the first 2 minutes or so when turning the unit on The very first time you turn the unit on allow the receiver to run for at least 20 minutes after changing to Red Solid to collect an almanac from the
237. you created the route Waypoint 0 is a unique waypoint in that the CDU internally constantly changes the position of Waypoint 0 to your present position However the CDU saves and displays the original coordinates entered when you created the route Waypoint 0 is displayed in Inverse Video that is white characters on a black background when in the normal Daylight display mode see CFG1 Lighting This indicates that you have already passed this coordinate The time stamp at the lower portion of the description window indicates when the route was created If you want to adjust your point of departure position you can edit Waypoint 0 in the WPT function To the right of the coordinate window of Waypoint 0 is a bent arrow The bend in the arrow is adjacent to the range and bearing between the waypoint you just passed and the waypoint you are approaching Keep in mind that these are the fixed calculated values between these two coordinates and not the real time changing values that you will see in the navigate screens between your present position and your next waypoint during normal navigation Version 2 0 Route Operator s Manual Below Waypoint 0 is the waypoint you defined in the GOTO function Notice that this information 1s in standard video black characters on a white background and that an ETA time is displayed in the same posi tion as the waypoint passed time in Waypoint 0 This indicates that the waypoint has not yet been passed
238. your first waypoint A distance of 1 or 2 miles from the first waypoint is good to start with Go to the POSI screen and press E Next press the NAV function key then the E key Press the Reset XTE softkey Press the E key This resets your cross track error and up dates the active route in RTE1 with the adjusted position ers 3249 MET Em GERT ses 7 4Oun cos 324 5 7 6 524 7 60 EEI 01 24 4 T Dec 12 1996 _ i 01 04 03 5 Remaining 4WPTs 67 82 Nm TA 13 Dec 1996 04 45 Now just use the CDU as you normally would You can output NMEA 0183 data records to other devices Be careful however other instru ments will interpret the data as completely valid So don t run the Demonstration Mode while you are underway and connected to de vices that are being used in real time like your autopilot 196 Versio 1 5 Glossary Operator s Manual Glossary Version 1 5 AIS Automatic Identification System A shipboard broadcast transponder system in which ships continually transmit their ID position course speed and other data to other nearby ships and shoreline authorities on a common radio channel ALARM Message by which the navigator signals the occurrence of an event The alarm 1s indicated by an audible tone and or a message or 1con on the display ALMANAC Library of coarse satellite orbital characteristics used to calculate satellite rise times set times angle
239. your library of waypoints with definitions and symbols You probably will want to record these to a PC just in case the memory in the receiver fails in the future For this reason we have provided you the option to Include Waypoint Names in the WPL record to save your waypoints to a PC or to meet the NMEA 0183 standard for interfacing to other marine equipment The definition of the differences between these two formats is given in the WPT section of this manual and in the NMEA 0183 format section of the Installation amp Service Manual 119 Operator s Manual Configuration Other Special Cases Affecting NMEA 0183 Records 120 BWC BWR APB RMB RMC and Man Over Board During the period when the Man Over Board function is activated NMEA 0183 records which contain bearing and range data such as those identified above but not limited to these will reflect the bearing and range back to the MOB position until the MOB func tion is canceled Refer to the MOB section of this manual APA APB XTE and the Navigation Autopilot Alarm Refer to the CFG Navigation section When the Autopilot Alarm is set to No the receiver always indicates a mode A or valid data to the autopilot or other marine device which might be receiving this data If the Autopilot Alarm 1s set to Yes then the receiver changes the mode 4 to V indicating invalid data when you reach a waypoint or exceed your cross track error limit
240. ze the limitations of standard GPS positioning many have begun installing DGPS Beacon Stations While an understanding of this system is not necessary for operating receivers with internal bea con receivers you may want to read on to have a better understanding of how your receiver 1s capable of achieving the high levels of accu racy made possible by this network of transmitters The DGPS Beacon System is comprised of three segments the refer ence station Integrity Monitor IM equipment located at the beacon site and the Navigator equipment located on board the user s boat or vehicle The DGPS beacon system design 1s illustrated below Because of the limited range of the beacon transmitters typically 150 to 400 km the corrections generated by the reference station are al ways valid for users who can receive the correction signals and main tain a 5 meter or better accuracy figure Operator s Manual Keypad amp Display Description Keypad amp Display Description Traffic Display Function Keys Lights 74 CO W C e O amp Softkeys Cursor Key 6269 01 400 Refer to the illustration above The Traffic Lights on the left side of the display will tell you how your navigator 1s operating Note You need to take care in reading the traffic light indica tions as there are overlapping possibilities between the GPS and DGPS modes If

MX420 Navigation System - Polaris Electronics A/S

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