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Garmin 188 GPS Receiver User Manual

1. Position ttie Current gt Date Time THIER o 24 JUL 02 Points 02 47 Route sunrise Moonrise Sun Moon Skyview Time 95 03 07 52 Event Times J DSC Sunset 05 02 Window 0 07 14 Pages AM i Moon Sun Phase Position Woo Position Overhead 90 45 20 Horizon 0 14 Main Menu Celestial Tab Trip Tab displays Trip Odometer Moving Average Speed Total Average Speed Maximum Speed Stopped Time Moving Time Total Time and Odometer To reset the trip data 1 Highlight Reset Trip Reset Max Speed Reset Odometer or Reset All and press ENTER Celes Celestial Tab displays celestial data for sun and moon rise set moon phase and approxi mate skyview location of the sun and moon The moon phase displays the current visible portion of the moon as a light color You may display this data for your current position a position from the map or a Find item location Also you may select a different date and time or use the current data To choose another position 1 From the Celestial tab highlight the At field and press ENTER 2 The Find menu appears Make a selection and press ENTER until the information for that location is displayed on the Celestial tab See pages 65 67 for more information on using the Find feature List highlight any category except O
2. enter a frequency and Tie SHR Distance To restart the scan bit rate Me Ere 1 Press MENU highlight Restart Scan and press ENTER Sonar Systm Units 88 The Status field will show one of the following Tuning unit is attempting to tune to the specified frequency and bit rate e Scanning unit is automatically scanning through the frequencies and bit rates e Receiving unit is receiving DGPS signal and ready for operation e Check Wiring unit is not making connection with DGPS receiver When the unit is receiving a DGPS signal the SNR Signal to Noise Ratio and Distance fields will show data The SNR range is OdB to 30dB with 30 being the best The Distance may or may not show data depending upon the signal being broadcast from the DGPS site The DGPS beacon transmitters are operated by the U S Coast Guard or similar government agency in other countries which is responsible for their accuracy and maintenance For DGPS trans mitter problems or to find the most updated list of frequencies and coverage areas contact your local USCG or see their web site at http www navcen uscg mil NMEA Interface If you are going to interface the GPSMAP 188 188C 238 Sounder with another piece of equipment such as a radio or autopilot the unit needs to be set to output NMEA data More information on wiring and NMEA data may be found on pa
3. 004 008 Route List Page Trip GPSHAP TOUR The GPSMAP 188 188C 238 Sounder Route List page Route tab of the Main Menu displays Rete all the routes currently stored in memory along with a descriptive name for each route By pressing MENU while on the Route List page the following menu options appear New Route page 57 Copy Route Delete Route or Delete All To select and follow a route 1 On the Route List page use the ARROW KEYPAD to highlight the desired route and press NAV 2 With Follow lt route name gt highlighted press ENTER Highlight Activate or Invert and activate and press ENTER If you highlight a route oe Felon 004 008 name from the Route List and press NAV the name Pases will automatically appear Follow Track Stop Navigation 48 Available 2 Used To deactivate stop following the route 1 Press the NAV key highlight Stop Navigation and press ENTER oe 004 008 Trip GPSHAP TOUR To copy or delete a route 1 From the Route List using the ARROW KEYPAD highlight the route you want to copy or delete and press MENU p Copy Ronis 2 Choose either Copy Route or Delete Route and press ENTER and with OK highlighted press E Eee H ania ENTER again to confirm a deletion Copy will use the same route name with an additional number E tor Man Mena start
4. The following options are available for display in data fields on the main pages e BEARING Compass direction from your position to destination o e COMPASS Compass ribbon O ea e COURSE Desired Track Full Screen Map with BlueChart data DEPTH Depth below transducer DISTANCE TO DESTINATION Distance to final waypoint e DISTANCE TO NEXT Distance to next waypoint e ELEVATION Altitude above below MSL Mean Sea Level ETA AT DESTINATION Estimated Time of Arrival to final waypoint e ETA AT NEXT Estimated Time of Arrival to next waypoint e GPS ACCURACY Shows estimated GPS accuracy e HIGHWAY Smaller version of the Highway Page e MAXIMUM SPEED Fastest speed the unit has traveled e MOVE AVERAGE SPEED Average moving speed e MOVE TRIP TIME Time unit has been moving for a trip e OFF COURSE Distance from desired track 26 e POINTER Arrow points to your destination Reference POSITION Current position coordinates e SONAR Compressed view of sonar data e SPEED Speed over ground e TIME OF DAY Current time TIME TO DESTINATION Time to final waypoint e TIME TO NEXT Time to next waypoint e TO COURSE Bearing to desired track e TOTAL AVERAGE SPEED Total average speed e TOTAL TRIP TIME Total travel time of trip stopped and moving TRACK Current compass direction of travel TRIP ODOMETER Trip Odometer e TURN Directional amount of tur
5. H_37 10 664 WO93 17 754 Cursor Coordinates Map Cursor Getting Started Marking Waypoints Simulating q ar ole Mas New Waypoint N 41 50 156 Perth W087 40 241 31 4 From Current Position 0 0 003 You can choose from a list of useful symbols There are two Diver Down waypoint symbols to select from the International and U S versions Delete Show Map OK i Press ENTER MARK after entering the name Simulating SPEED a Dam Danger Area Diver Down Dot ARE i er Drinking Water Fishing Area Fuel amp Fuel amp Supplies w Horn To mark your present position 1 Hold down the ENTER MARK key until the New Waypoint window appears then release the key The window will show a default three digit waypoint name number 001 symbol dot and position You can leave the name as the auto assigned number but for this exercise lets change the name to DOCK Use the ARROW KEYPAD to highlight the waypoint name field 001 and press ENTER MARK You will see that just the first 0 is now highlighted Press LEFT on the ARROW KEYPAD to clear the name field Press UP or DOWN on of the ARROW KEYPAD until the letter D appears and then press RIGHT to go to the next space to the right then UP or DOWN again until O appears Repeat this until you have entered the name DOC
6. There are two ways to add a new entry into the directory To add a new Directory entry 1 Press Menu then highlight New Item and press ENTER MARK 2 Or with the Directory Tab highlighted press the Arrow Keypad DOWN highlight an empty field and press ENTER MARK to access the New Directory Item window The New Directory Item window allows you to input information of a known contact To add the MMSI number Name or Comment Press UP DOWN on the Arrow Keypad to highlight the MMSI Name or Comment field Press ENTER MARK to highlight the first digit on that field Press UP DOWN on the Arrow Keypad to enter the numbers letters Press LEFT RIGHT on the Arrow Keypad to move to the next position Press ENTER MARK to accept the entry Press UP DOWN on the Arrow Keypad highlight the Delete button and press ENTER MARK to delete the entry or highlight the OK button and press ENTER MARK to accept the entry Oy ae eS S After creating a New Directory Item entry the name created is attached to that particular MMSI number If you return to the Log the new name is displayed under the corresponding MMSI number Another way to input a name is from the Entry Review page or the DSC Distress Call or DSC Posi tion Report pages The Name field is only available in the GPS Names cannot be sent like the MMSI numbers to other DSC users DSC Setup Garmin chartplotters have the ability to turn DSC On or Off This opti
7. 111 115 Underwater Waypoints c5 ch otecavesee tesa s 37 W OS 69 71 WAS adas 111 O ices ew aa e ass iv Waller ERON eran dra os 101 WaterSpecd Calor a ox eauttexs nese one 40 Water TO ia 91 Walter WPS crite OS aeran 39 Waypoint List arde 50 52 Waypoints CEA ax apa 10 13 24 37 44 47 80 Dele o ol 20 47 50 EM caes nn Dt 48 52 MO cy coal aii aes nidos 41 ag REMAIN oo eE toas 48 PO o pops Dai a ROVIG WINGS aid ii 13 23 48 50 60 VCP WOE exp tet 8 aoa ae ee ae 00 37 A oP o s gta eres 14 35 114 Wine Instala doit ici 95 Z LO OWNING oa 58 dees tien est tien 9 18 22 24 29 42 Appendix K Index 121 For the latest free software updates excluding map data throughout the life of your Garmin products visit the Garmin web site at www garmin com O Copyright 2003 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151 Street Olathe Kansas 66062 U S A Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL U K Garmin Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan www garmin com Part Number 190 00216 10 Rev A
8. Using the Cursor optional MapSource data The cursor allows you to pan away from your present position and scroll to other map areas around the world As you pan past the edge of the current map display the screen actively scrolls forward to provide continuous map coverage Keep in mind that the boat icon triangle marker moves with the scrolling map and may not be visible on the display screen A NOTE When the cursor reaches the edge of the map the unit map pause as it load 7 new data To activate and move the cursor Reference 1 Press the ARROW KEYPAD in an UP DOWN LEFT or RIGHT direction As you move the cursor the distance and bearing from your present position to the cursor are Map Page Cursor displayed in the data window along with the cursors position coordinates When you zoom in cursor mode the cursor is centered on the screen When the cursor is stationary a fixed coordinate position e Simulating appears in the position field and the distance and bearing from your present position changes as your Maz N jji jiii 015 boat moves 0 0 M aukas ln 1 n o To eliminate the cursor and re center your position on the screen nee O NOSE OR Sen 1 Press the QUIT key The GPSMAP 188 188C 238 returns to position mode 4 o the map to ME ighlight it p The cursor may also be used to snap to on screen waypo
9. Temperature Son Fahrenheit CF press ENTER to select j ae ie Units Loran TD approximately thirty meters When the unit is placed in the LORAN TD format mode it simulates the Comm P s zi a Alarm operation of a LORAN receiver Position coordinates may be displayed as TDs and all navigation func tions may be used as if the unit was actually receiving LORAN signals Using the LORAN TD Format When creating new waypoints using LORAN TD coordinates you must set the correct LORAN EAA chain number and secondary stations in the Setup TD field before storing the waypoint You must Tie de Son Trip A have the correct chain number as well as the secondary station identifiers to use this option correctly Or highlight the Position celes Maidenhead Format field highlight route Now Zealand Loran TD and press osc Qatar Grid ENTER to select Loran TD Time Swedish Grid Pages Map Swiss Grid Hiway Taiwan Grid Temp Loran TD Sonar s User Grid These values will vary per coordinate set or geographical location Failure to enter correct information could result in inaccuracies for the desired destination After the waypoint is stored in unit memory it will always reference the LORAN chain number and secondary stations currently selected in the Setup TD field If you enter a different LORAN chain number change the secondary stations or offsets in the S
10. To activate the function highlight the desired button and press the ENTER key Getting Started Naming a waypoint or placing any sort of data that has not been predefined requires the use of both the ARROW KEYPAD and the ENTER MARK key To enter a name or number in a data field 1 Once you have accessed a page with programmable data fields i e Waypoint Edit you can use the ARROW KEYPAD to move the cursor Highlight to fields on the page Use the UP DOWN oe go cael N ge 28 30 arrows to move up or down and the LEFT RIGHT arrows to move sideways s 2 Pressing the ENTER key with the field highlighted begins the process for entering data in the form Pressing UP or DOWN of alphanumeric characters N on the ARROW KEYPAD changes numbers and 3 Use the ARROW KEYPAD UP DOWN arrows to cycle through numbers 0 to 9 plus minus symbols letters blank space and the alphabet Pressing and releasing the keypad moves you character by character N 28 28 328 1082 42 401 Entering Data through the list Pressing and holding the keypad moves you rapidly through the list 4 Use the ARROW KEYPAD LEFT RIGHT arrows to move to the next character on the line or backwards to edit characters If there are more than two lines of data keep pressing to the RIGHT Pressing LEFT or RIGHT t
11. mapsoure e Main Menu Page Reference The GPSMAP 188 188C 238 Sounders Main Menu Page provides access to various waypoint system navigation and interface management and setup menus in an easy to use tab format The Main Menu Page Main Menu page is available from any page in the GPSMAP 188 188C 238 Sounders system and is accessed through the MENU key See pages 2 3 for additional instructions changing settings and enter ing data To access the Main Menu Page Submenu Tabs 1 Press MENU twice The 19 Menu tabs are divided into categories by function SPS user Aroximity To select a Menu tab from the Main Menu page Cele 00 Points 1 Move the ARROW KEYPAD UP or DOWN to highlight the tab you want to view The information Ma feats me for the highlighted tab will automatically appear to the right If you want to highlight any of the tab Ga Cara 007 items press to the RIGHT on the ARROW KEYPAD then move UP or DOWN to select individual Tabs Pons FISH i Map GARMIN items emy GRMEUR 2 Press either MENU for additional submenu options or press ENTER MARK to make changes to the m pita highlighted item Press LEFT on the ARROW KEYPAD to get back to the Menu tab list Press QUIT comm LIGHT to return to the Main Menu page an Ee The Main Menu tabs are Main Menu Page e GPS shows satellite status accuracy initialize position
12. screen appears Highlight Other Position and press ENTER Use the zoom IN key and ARROW KEYPAD to highlight the desired position on the map and press ENTER to project a new waypoint 46 3 To select another location from which to project a waypoint highlight the field next to From and press ENTER The Find screen appears Highlight the desired type of location waypoints cities etc and press ENTER Use the submenus to narrow down your search for more information see Find on pages 38 39 Highlight the desired location and press ENTER With OK highlighted press ENTER again 4 Highlight the distance and or bearing fields below From Current Position and press ENTER Use the ARROW KEYPAD to enter the projected distance and or bearing from your current position for the new waypoint and press ENTER 5 Make any other desired changes to the new waypoint data name symbol etc then highlight OK and press ENTER to save the waypoint Waypoint Menu Options Two additional options are available by pressing MENU on the New Waypoint and New Map Waypoint Pages Append To Route and Move Waypoint these menu options also appear on the Waypoint Edit and Waypoint Review pages e Append to Route Adds the new waypoint to the end of a route e Move Waypoint Allows you to move the waypoint to a new location on the map display To append a new waypoint to a route 1 Select Append T
13. 1 Highlight the Move option and press ENTER 2 Move the cursor to the new map position and press ENTER To add points to the beginning or end of the route 1 With the map cursor select the first route waypoint to add waypoints to the beginning of the route or last to add waypoints to the end of the route and press MENU Highlight the Add option and press ENTER Move the cursor to the new point or position and press ENTER If you are not adding an existing waypoint press ENTER to confirm the new waypoint Repeat steps 3 and 4 to add additional waypoints or press QUIT to finish om BR W N Reference Editing Routes Highlight a route point and press ENTER to review it Waypoint Review TOURS N 35 12 766 Depth W076 30 876 From Current Position 23 5 359 49 Points Available 5 Points Used N_35 12 766 H076 30 876 Y PAMLICO CU n O E TIRa OCRACOKE m o A BAY ATOM 1 Lad J ab wae SES f SSH F fi mn c mapsource Choose Next to center the map on the next point in the route You can step through the points by repeatedly pressing ENTER 61 Reference Editing GPSMAP TOUR TOUR4 fr H _35 04 371 H076 24 743 o o BRANT I Mmapsourc A e 49 Points Available 5 Points Used Drag the route leg to an existing waypoint map item or an open spot on the map sho
14. GPSMAP 188 188C 238 Sounder chartplotting receiver amp depth finder owner s manual and reference GPSMAP 188C Shown Qul de O Copyright 2003 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151 Street Olathe KS 66062 U S A Tel 913 397 8200 or 800 800 1020 Fax 913 397 8282 Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Romsey SO51 9DL U K Tel 44 1794 519944 Fax 44 1794 519222 Garmin Corporation No 68 Jangshu 2 Road Shijr Taipei County Taiwan Tel 886 2 2642 9199 Fax 886 2 2642 9099 All Rights Reserved Except as expressly provided herein no part of this manual may be reproduced copied transmitted disseminated downloaded or stored in any storage medium for any purpose without prior written consent of Garmin Garmin hereby grants permission to download a single copy of this manual and of any revision of this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual or any revision hereto provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this manual is subject to change without notice Garmin reserves the right to change or improve its products and to make changes in the con tent without
15. Keel Offset Transducer at Surface Enter positive number to show depth from bottom of keel Keel Offset Transducer at Bottom of Keel Enter negative number to show depth from surface GPS _ Fish Symbols Water Type Tide Off Salt Celes Depth Number Scale Poi pa Bring the boat to Trac cruising speed Note Calibrating the tex your top water speed Speed Sensor Tin then stop the boat and press ENTER z Cancel oK Top Top Uncalibrated Son o en Water Speed Black Calibrate Water Speed 40 Calibrate Water Speed this is only available if you are using a speed capable transducer sensor Calibration is required to ensure that the Water Speed displayed on your unit will be accurate The unit will automatically use the GPS ground speed if it is available for comparison on the calibra tion Ifa GPS ground speed is not available use either your boats speedometer reading not always accurate or a stopwatch to determine your speed over a certain distance distance time speed It is recommended that the calibration take place in water having little or no current To calibrate the water speed 1 On the Sonar tab use the ARROW KEYPAD to highlight Calibrate Water Speed and press ENTER 2 Bring the boat to a cruising speed The top ground and uncalibrated water speeds will be sh
16. MMSI number attached to the call if you have DSC support Any DSC equipped mariner on sea or land within range can receive the call When the Garmin GPSMAP 188 188C 238 is connected to a VHF with DSC support the GPS unit displays a Call List Log and a Directory available to store incoming information received from another users DSC capable VHF GPS combination Basic wiring is required for the Garmin unit and VHF radio to send and receive NMEA data from each other pg 87 Distress Call With a Garmin DSC capable chartplotter sounder properly connected to a VHF radio with DSC output you may receive any DSC Distress Call within range A window will pop up and a message displays when a Distress Call is received To notify you a Distress Call has been received an alarm will sound if enabled The alarm only sounds on a Distress Call and it will not sound on a Position Report Distress Calls are broadcasted to all DSC users in radio range Options available from this screen are e Show on Map If you immediately wants to see the callers position they select Show on Map Create Waypoint If you want to create a waypoint of that posistion highlight Create Waypoint and press ENTER MARK You also have the ability to input a callers name if it is known The callers name replaces the MMSI number as a reference once it is entered DSC Position Report The Position Report operates similarly to the Distress Call Remember this t
17. and press ENTER to initialize the receiver from the map The Initialize Position Page appears prompting you to select your approximate location with the map cursor Use the ARROW KEYPAD to move the map cursor and point to your approximate location within 200 miles If you have difficulty identifying your position press and release the IN key to see the next lower map scale Once you have determined your approximate location on the map press the ENTER key NOTE This does not calibrate the unit in any way but rather helps to speed up the initial satellite acquisition If the unit displays Ready 2D or 3D during this process it is not necessary to initialize the unit The GPSMAP 188 188C 238 Sounder will now begin searching for the appropriate satellites for your region and should acquire a fix within a few minutes When viewing the GPS tab on the Main Menu a signal strength bar for each satellite in view appears on the bottom of the page with the appropriate satellite number under each bar The progress of satellite acquisition is shown in three stages No signal strength bars the receiver is looking for the satellites indicated Hollow signal strength bars the receiver has found the indicated satellites and is collecting data Solid signal strength bars the receiver has collected the necessary data and the satellites are ready for use Once the receiver has collected information from at least th
18. Track Saved Tracks Track Log Other Accuracy Circle Lat Lon Grid Map Outlines To change a map setup feature 1 Ze From the Map Page menu highlight Set Up Map and press ENTER Move LEFT or RIGHT on the ARROW KEYPAD to highlight the desired tab then UP or DOWN on the ARROW KEYPAD to highlight to the setting you want to change and press ENTER Move UP or DOWN on the ARROW KEYPAD to highlight to the desired setting and press ENTER To exit press QUIT Double Arrow Adjusting the split map sonar display Reference Map Page Options GPS Tide Trip Celes Points Route Track DSC Card Time Pages F Hiway Temp Systm Units Comm Sonar 2 General Source Detail Orientation AutoZoom Waypoints Points Normal North Up Off Alarm Simulating gg 114 mapsource Main Menu Map Configuration Tab 29 30 Reference Map Page Options EIET Source Waypoints Points Detail Normal Orientation North Up AutoZoom Off General Tab General IT Waypoints Points Basemap On Data Card Maps On Data Card Maps Source Tab Map Information US 13003 1200000 US 12208 50000 US 12207 80000 Jul 2002 Show Map Name Us 11009 1200000 Amer f MUs 11520 432720 Ameri MUs 11539 80000 America MUs 11541 a 40000 Ameri MUs11541 B 4
19. and press ENTER when done then press QUIT to return to the Map Page Getting Started Using the NAV Key Text entry for simulator position Points Auto Units System Information _ Comm Tide Off Celes Speed Filter Language DSC English Enter Position aatal N 3851 337 H094 47 93 1 357 Speed Transducer Em 0 0 Temp GPS Beeper Tide Off Trip J P lt IRG 1 al PA i Prot TA PA el 2 La pe a age NT ch te SOA p ENVINA Point to your approximate position and press ENTER For future practice you asi may skip steps 3 through E 5 and use the ARROW KEYPAD to point to a location from the Initialize Position page 11 Getting Started Simulated Tour Select Route GPSMAP TOUR The Set Position Track Control Track and Speed bse fields will only show while in simulator mode Select the practice route and press ENTER MARK Beeper Off Speed Filter Auto Language Track Control Track Auto Track Transducer 0710 0 Temp System Information To activate the practice route stored in memory for navigation Press NAV A list of options appear Use the ARROW KEYPAD to highlight Follow Route and press ENTER The Select
20. 1 Press MENU then press ENTER Highlight the SPEED data field and press MENU 2 Highlight Split Numbers then press ENTER You will now see four new data fields Press QUIT when done 3 To return to the original configuration repeat the above steps but instead of Split Number select either Merge Numbers or Defaults Press QUIT when done Lets move on to the Highway Page by pressing the PAGE key Highway Page The GPSMAP 188 188C 238 Sounders Highway Page also provides graphic steering guidance to a destination waypoint placing greater emphasis on the straight line desired course and the distance and direction you are off course As you head toward your destination the middle of the screen provides visual guidance to your waypoint on a moving graphic highway Your present position is at the bottom center of the highway display The line down the middle of the highway represents your desired course As you navigate toward a waypoint the highway will actually move indicating the direction youre off course To stay on course simply steer toward the center of the highway or keep it on the road The four detault data fields at the top of the page indicate Speed and Distance To Next point along with To Course which shows the bearing to get you back on course and Time To Next point Additionally a compass ribbon is displayed to show your current heading along with a dark vertical ba
21. 2D or Simulator mode only Any elevation entered will be automatically calculated when the GPS is in 3D mode To select a menu option 1 Using the ARROW KEYPAD highlight the desired option and press ENTER A NOTE If a DGPS receiver is attached to the unit and Garmin DGPS RTCM In NMEA Out or Other DGPS is enable on Port 2 WAAS will be automatically disabled WAAS Off It is not possible for the GPSMAP 188 188C 238 Sounder to receive WAAS and 71 DGPS corrections at the same time Reference Main Menu Tide Tab at Nantucket mie on 29 JUL 02 04 18 10 20 04 48 Beuring 1143 2 07 3 0 t 2 f t Station Name Date Tide Chart Event Times You can select from a list of nearest stations 12 Tide Stations Roanoke Sound Channel Oregon Inlet Marina Old House Channel p Oregon Inlet i Jennettes Pier Ocean Rodanthe Pamlico Sound Kitty Hawk Ocean Oregon Inlet Uscg Station Davis Slough 4 Worldwide Marine Base Map From ROCK 3 05 Tide Tab shows a graphical chart that displays tide station information in a 24 hour span starting at midnight station time You can choose from different dates and over 3000 tide stations around the USA coastline Alaska Hawaii western Canada and several of the Caribbean islands The top o
22. 5 10 Offsets for Continental U S would be W037 5 to W022 5 2 Elo to El Zo 11 EST 5 EDT 4 x 6 o o CST 6 CDT 5 W022 5 to W007 5 E172 5 to E180 0 12 MST 7 MDT 6 W007 5 to E007 5 0 PSE 8 PDT 110 Understanding Sonar If you are unfamiliar with basic sonar or need help determining what is displayed on the graph this section may be for you This section is intended to help the novice user gain some understand ing of how the GPSMAP 188 188C 238 Sounder operates and how it can help improve their fishing productivity To understand what the unit is displaying it is important to have a general knowledge of how the unit works and how it determines what to display Briefly described the unit operates by transmit ting sound waves toward the bottom of a lake stream or seabed in a cone shaped pattern When a transmitted soundwave strikes an underwater object such as the bottom a piece of structure or a fish sound is reflected back to the transducer The transducer collects the reflected sound waves and sends the data to the unit to be processed and displayed on the chart The underwater data is displayed on the chart in the order that it is returned first returned first on the chart The diagram in the sidebar demonstrates this showing an underwater scene as it would be displayed on the chart Generally speak ing if the only thing between the transducer and the bottom is water the first strong return will come from t
23. 50kHz will be hollow or wide returns Simulated fish icons are displayed in three different sizes Actual fish returns may not always appear as perfect arches due to the speed fish orientation and or other conditions More on understanding the Sonar Page may be found on pages 111 and in Appendix I Using the Adjustment Menu Getting Started The Adjustment Menu allows direct access to the settings and features most commonly used on the Sonar Page There are 10 main adjustment options available Range Zoom View Span Gain Sonar Page Target Level Whiteline Frequency Depth Line Noise Reject and Scroll The currently selected option appears in the upper left of the display with up and down arrows on either side of the option name To select an adjustment option from the Sonar Page 1 Press the ARROW KEYPAD LEFT RIGHT to scroll through the options in the upper left of the Press MENU highlight display then press ENTER to access the desired option s adjustment window Adjustments and press ENTER to see a list of all OR options and their current 1 Press MENU highlight Adjustments and press ENTER A list of all options and their current set settings tings appears with the selected option highlighted Press UP DOWN on the ARROW KEYPAD to select the desired option and press ENTER to access the adjustment window To easily exit any of the adjustment options press the QUIT key To change an Adjustment Menu set
24. Digital Selective Calling DSC uses marine VHF radio and Global Positioning System GPS technolo gies to transmit and receive location information DSC is used by mariners to assist them in two major areas Distress Calls and Position Reporting Main Menu DSC Tab An emergency DSC Distress Call allows a vessel in trouble to transmit a substantial amount of informa tion in a single transmission or call without the need for voice communication When any nearby GPS Cal ist Log Directory Setup rescuer receives the DSC signal an alarm sounds and they immediately receive the position of the caller we fme fa ime The rescuer may then choose to navigate Go To the callers position to assist or forward the call on seses to the Coast Guard When the Coast Guard receives the call they can immediately access the callers Ta information such as who they are and the type of vessel in their database while they are in transit to Time the callers position ver A non emergency DSC Position Report allows mariners to exchange and display the positions of one another Once a DSC position is received the mariner may choose to create a waypoint or to show the vate received position on an electronic map Alarm l 49 Available 1 Used Any time a vessel receives a DSC call they can store that location and quickly navigate to that position using a Go To This makes DSC
25. If the unit is on a confirmation tone will sound when the data card has been removed Cleaning Appendix C The GPSMAP 188 188C 238 Sounder is constructed of high quality materials and does not require user maintenance other than cleaning Clean the unit using a cloth dampened with a mild detergent Maintenance solution and then wipe dry Avoid chemical cleaners and solvents that may damage plastic components WARNING The GPSMAP 188C Sounder lens is coated with a special anti reflective coating which is very sensitive to skin oils waxes and abrasive cleaners CLEANERS CONTAINING AMMONIA ALCOHOL ABRASIVES OR ANTI GREASE DETERGENTS WILL HARM THE ANTI REFLECTIVE COATING It is very important to clean the lens using an eyeglass lens cleaner which is specified as safe for anti reflective coatings and a clean lint free cloth Storage Do not store the GPSMAP 188 188C 238 Sounder where prolonged exposure to temperature extremes may occur such as in the trunk of a car as permanent damage may result User informa tion such as waypoints routes etc will be retained in the units memory without the need for external power It is always a good practice to back up important user data by manually recording it or down loading it to a PC transferring it to MapSource or save to a data card pg 82 Water Immersion The GPSMAP 188 188C 238 Sounder is waterproof to IEC Standard 529 IPX7 It can withstand immersion in 1 meter of water for 30 mi
26. Map MITA Using Built In Basemap ae L i map card Using BlueChart MapSource Data on E DETIYA 24 Overzoom no additional data The cursor may also be used to create new waypoints directly from the map To create a waypoint with the cursor on an open map location 1 Use the ARROW KEYPAD to move the cursor to the desired map position 2 Press and quickly release the ENTER key to capture the cursor location pressing and holding the ENTER key captures the current location not the cursor location 3 The New Map Waypoint window appears With OK highlighted press ENTER to save the new waypoint using the default 3 digit name and symbol To create a waypoint with the cursor on a map item 1 Use the ARROW KEYPAD to move the cursor and highlight the desired map feature 2 Press ENTER to capture the cursor location The Information page for that feature appears Use the ARROW KEYPAD to highlight Create Wpt and press ENTER 3 The New Waypoint window appears With OK highlighted press ENTER to confirm the new waypoint using the default name and symbol based on the map feature Selecting Map Scales The map display has 28 available range scales from 20 ft to 800 mi 5 m to 1200 km The map scale is controlled by the IN and OUT keys with the current scale displayed at the bottom right of the data window To select a map scale 1 Press the OUT key to zoom out and the IN key to zoom in A NO
27. Menu Sonar Page Menu Options Scroll Adjustment Depth Line adds a horizontal depth line across the display which is used to measure the depth of underwater objects The depth of the line appears in a box on the right side of the line Press UP or DOWN on the ARROW KEYPAD to control the position of the line on the graph The depth is displayed in a window on the right side of the line To turn the Depth Line Off press the ARROW KEYPAD UP until the setting bar is all the way at the top of the range and reads Off Noise Reject helps filter unwanted noise from the graph The Noise Reject tool can be turned Off set to Normal automatically adjusts for optimum viewing or to a fixed 1 100 setting When setting the Noise Reject tool the HIGHER the noise rejection setting the unit is more likely to NOT show fish or structure To turn the Noise Reject Off press the ARROW KEYPAD DOWN until the setting bar is all the way at the bottom of the range and reads Off Scroll adjusts the rate that the graph scrolls from right to left If you are sitting still or the graph is moving too fast slowing the scroll rate or pausing it can be beneficial Sonar Page Options The GPSMAP 188 188C 238 Sounders Sonar Page features a menu page that provides access to additional functions and to layout and data field options To display the Sonar Page options 1 Press MENU To select a menu option 1 Use the ARROW KEYPAD
28. Waypoint appears Since the unit will only alert for one of the overlap points use caution when navigating in these areas If you enter an alarm circle overlap you will only be alerted to the closest proximity waypoint Reference Waypoint Lists GPS A a Tide User Proximity Name Field poc a GARMIN Route GRMEUR Track a GRMPHX Cara GRMTWN Waypoint List 2983 Available 17 Used You can also search for a waypoint by name 1 Highlight the name field and press ENTER 2 Use the ARROW KEYPAD to select the first letter of the name 3 Move to the RIGHT and enter the second letter if you do not see it on the list below 4 Repeat this until the name appears Press ENTER when you see the name 5 Highlight the name on the list and press ENTER again to review the waypoint When done highlight OK and press ENTER 91 Reference Waypoint Lists GPS User Proximity Proximity Alarm Teres Off Points Waypoint Distance Proximity Waypoint Proximity Circle A dashed circle appears showing the alert bound ary for the proximity waypoints 52 Proximity Waypoints List To add a proximity waypoint 1 Use the ARROW KEYPAD to highlight an empty space on the Proximity list and press ENTER The Find screen appears Highlight Waypoints and pre
29. a time saver especially in an emergency situation In order to use DSC DSC Tab users must first register their VHF radio with the FCC and receive a Maritime Mobile Service Identity MMSI number What is A Maritime mobile service identity MMSI Maritime Mobile Service Identity MMSI basically allows a VHF radio to act like a phone In order to make a call on a phone you first need a phone number to dial The 9 digit MMSI number acts like a phone number when used in a Position Report and as a unique identifier to the Coast Guard when used in an emergency Distress Call In order to to obtain a Maritime Mobile Service Identity MMSI number users must register their VHF radio with the FCC Form 605 Garmin does not supply this number 11 18 Reference Main Menu DSC Tab HOW ARE MMSI ASSIGNMENTS OBTAINED Non commercial users e g recreational users who remain in domestic waters and only carry VHF EPIRB Emergency Position Indicating Radio Beacons and Radar are not required to have a FCC ship station license The FCC and Coast Guard have authorized some second and third party vendors to assign MMSI numbers This service is limited to registering recreational vessels only To receive information on how to obtain a recreational MMSI number please contact http www uscg mil rescue2 1 links mmsi htm or http wireless fcc gov marine U S Non Federal User Commercial users or those who travel outside the U S or Canada
30. along the right side of the graph The depth O Mei Dota Scale can be configured to display four different ways as an Overlay in the Corners with Basic ao or No Scale Black Calibrate Water Speed Color Bar shows a gradient scale of the current Target Level setting see page 35 Flasher with the Flasher active a graphic Flasher representation will be displayed on the far right side of the graph This graphic Flasher displays structure and bottom returns much the same Depth Scale Overlay as a true Flasher You may find this feature particularly useful when using Fish Symbols Keel Offset used to offset the surface reading for the depth of a keel This makes it possible to measure depth from the bottom of your keel instead of from the transducers location Enter a posi tive number to offset for a keel or enter a negative number to compensate for a large vessel that may draw several feet of water The Keel Offset will be reflected in the depth reading Color Bar Map Split Sonar Detail controls Map Page sonar split range scale Full Range will show entire scale of 2X or 4X left side split of Sonar Page Maximum Detail displays what is shown on the left side of a split sonar screen Flasher Background Color GPSMAP 188C only sets the background color on the Sonar Page to Black Blue or White 39 Reference Sonar Page Options
31. and data field options The data window located at the top of the page provides a user selectable layout of various types of useful data Each data field may be configured to display several data options The data window layout may also be changed to display more less data fields and change the actual size of the data displayed To change the data fields or layout of the Compass Page 1 Press MENU With Change Numbers highlighted press ENTER 2 Highlight the data field you want to change Press ENTER to select from a list of data to be dis played or press MENU to split or merge the numbers Make your selection and press ENTER For detailed instructions on changing the data fields and layout of the Compass Page see pages 26 28 Reference Compass Page Destination To FISH SPEED TURH t Bearing DISTANCE TO NEXT Posse 12 1 3512 697 MOTE 31 042 Data Fields Bearing Pointer Split Numbers Merge Numbers MERO for Main Menu To restore defaults to the Compass Page 1 Press MENU then press ENTER 2 Press MENU again highlight Defaults and press ENTER 41 Reference Numbers Page Highway Page Next TOUR2 Dest TOURS YO CI Fo 4 oss 050 055 co 070 075 080 08 045 050 055 060 fo bh tlistedoveeds 65 O70 075 080 08 Irasadaaaadanaadaoos DISTANCE TO DEST n m DISTANCE TO NEXT n m o ETA AT NEXT ETA
32. area Off Course Alarm You have exceeded the specified off course distance Processor Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Proximity Alarm List is Full You have used all ten proximity waypoints Proximity Alarm Waypoint You have entered the alarm radius for the proximity waypoint indicated Proximity Overlaps Another Proximity Waypoint The alarm radius specified overlaps the area specified for another proximity waypoint Adjust the distance Route Already Exists lt route name gt You have entered a route name that already exists in memory Modify the route name or delete the previous route name Route Does Not Exist lt route name gt Route has been renamed or removed from memory and cannot be used Route Is Full You have attempted to add more than 254 points to a route Reduce the number of points or create a second route Route Memory Is Full Can t Create Route Maximum amount of 50 routes is already in the units memory and no additional routes can be added until existing ones are removed Route Truncated An uploaded route from another device has more than 254 points Reduce the number of points Running Simulator The unit is in simulator practice mode Shallow Water Alarm Specified shallow water alarm depth has been detected below transducer Sonar Failed Unit Needs Repair Internal
33. etc or a new map point non map item If you select a map item as the Go To destination the GPSMAP 188 188C 238 Sounder will automatically use the name of the map item but the point will not be stored in the waypoint list see page 45 for creating waypoints using map items If you select a new map point non map item as the Go To destination the GPSMAP 188 188C 238 Sounder automatically creates or moves a waypoint named MAP at the cursor position Reference Going to a Destination Choose a waypoint from either the User or Nearest tab list Go To ROCK Go To Point Follow Route Follow Track mapsource Readu 3D A Select Waypoint By Name Nearest 007 004 005 006 k o FISH N GARMIN GRMEUR GRMPHX GRMTWN The waypoint or map item name will automatically appear when highlighted and NAV is pressed 53 Reference To activate an existing waypoint or map item as a Go To from the map display 1 Use the ARROW KEYPAD to highlight the waypoint or map item on the screen and press NAV Going to a Destination 2 With Go To lt waypoint name gt press ENTER TracBack Navigation To activate a new map point non map item as a Go To from the map display 1 Use the ARROW KEYPAD to move the arrow cursor to the desired position and press NAV 2 With Go To MAP Point highlighted press ENTER o To
34. from the start to the end of your trip or Reverse which will navigate you from the end to the start of your trip and press ENTER Once a TracBack has been activated the GPSMAP 188 188C 238 Sounder will take the track log currently stored in memory and divide it into segments called legs Up to 254 temporary turns BEGIN TURN 1 TURN 2 TURN 3 TURN X END will be created to mark the most significant features of the track log in order to duplicate your exact path as closely as possible To get the most out of the TracBack feature remember the following tips e Always clear the track log at the point that you want to go back to dock etc The Record Mode option on the track log setup page must be set to Fill or Wrap e There must be at least two track log points stored in memory to create a TracBack route Reference TracBack Navigation Default Track name Total Distance Change color or style of track line Check this box to display track Total number of points Pages Color fz Ready 3D SPEED Go To Point Follow Route Follow Track POSITION N 38 91 340 W094 47 926 S Active Saved Record Mode Wrap Saved Track rd Distance Points 5 1 Active Le ados Used You must first save a track before using the Follow Track option If there are no s
35. gallons liters etc NOTE Fuel flow rates on your unit are measured in units per hour System setting Reference Editing Press LEFT or RIGHT on the ARROW KEYPAD to change the data field Routes GPSMAP TOUR Waypoint Distance 4 Leg Dist cm sd e SS SS E a om ee a O GPSMAP TOUR Waypoint TOUR4 9 8 3 1 TOUR3 12 9 5e 4r_ ar 2 5 Trip Planning Depart Time Distance 4 Leg Dist gt Depart Date h 23 JUL 02 Trip Planning Data Fields 63 Reference Active Route Page EI TOUR2 Dest TOURS TO COURSE 60 0 018 OFF COURSE GPSHAP TOUR Waypoint Distance 4 Course gt Active Route Page TOUR 1 E 017 TOUR2 71 2 343 TOUR3 73 7 015 TOUR4 76 8 339 TOURS 86 6 NE A 86 6 351 Toxt TOUR2 Dest TOURS Active Route Page Fan cr Add Before Menu Options Remeve TOUR2 Invert y Re evaluate TOUR HENO for Main Menu LA TOURS 86 3 a 86 3 351 64 Active Route Page Whenever you have activated a route in the GPSMAP 188 188C 238 Sounder the Active Route page shows each point waypoint or map item of the active route with the point name distance and choice of Course ETA Fuel to point Leg Distance Leg Fuel Leg Time Sunrise and Sunset at point location or Time To point for each point from your present position The current d
36. graph displays underwater targets and back ground information If Fish Symbols are set to Off the unit displays all of the available informa tion about the underwater environment If a fish symbol is selected the graph displays only the information related to that symbol Actual fish returns may not always appear as perfect arches like in simulator mode due to the speed fish orientation and or other conditions Water Type since sound waves travel through Fresh and Salt water at different rates it is Reference necessary to select the Water Type to ensure accurate readings on the unit Depth Number controls the efficiency of the digital depth update rate Fast Update will update Sonar Tab Options more quickly and is recommended for low noise deeper water gt 50 ft Auto is best for shallow water or high noise areas will have a slower screen update and is best used if you travel a wide variety of depths te Of Sat Celes Depth Number Scale Dp E j Points Fast Update Overlay If the unit is unable to track the bottom for any reason the digits in the depth window o Color Bor Flasher a psc Off Off will flash on and off to alert you that the unit is not tracking the bottom Main Menu Sonar Tab Sart weet O 2 GPSMAP 188C shown E a tara Scale controls the depth Scale displayed vertically
37. help determine if any satellites are being blocked and whether you have a current position fix indicated by a 2D 2D Differential 3D or 3D Differential in the status field The sky view shows a birds eye view of the position of each satellite relative to the receiver s last known position The outer circle represents the horizon north up the inner circle 45 above the horizon and the center point a position directly overhead You can also set the sky view to a Track Up configuration causing the top of the sky view to align along your current track heading WAAS Capability Reference The GPSMAP 188 188C 238 Sounder is capable of receiving WAAS Wide Area Augmentation System satellite signals WAAS is an FAA Federal Aviation Administration funded project to improve Main Menu GPS Tab the overall accuracy and integrity of the GPS signal for aviation use but land sea based users may also benefit from this system At this time the system is still in the development stage and is not fully opera ars Ready 3D Differential tional There are currently two WAAS satellites that can be received in the U S A one over the Atlantic m g 0 9 Ocean and one over the Pacific Ocean in a geo stationary orbit over the equator Effective use of the ri Differential WAAS satellite signal may be limited by your geographic location in relation to those satellites now in EN Stort Simulator developmental service
38. mm e Delete All deletes all saved track logs from memory Active Track Memory Used an To review and edit a track 1 On the Saved Track tab of the Main Menu highlight the desired track and press ENTER The Saved os Track window appears Active Saved mp 24 JUL 02 2 You may rename the track choose to show the track on the Map and Highway pages delete the The track name will auto Cd RUN track or view the track on a map window matically appear when highlighted on the Saved list and NAV is pressed Ck cc cs ss o o st o m h 1 1 TLC 3 To exit press QUIT or highlight Next and press ENTER You may also activate a TracBack from any of the saved tracks on this tab Pages Follow Track To activate a TracBack from the Saved tab list Sonor rr 1 Using the ARROW KEYPAD highlight the track you wish to use for a TracBack and press NAV Comm gt 2 The Follow lt track name gt will automatically appear highlighted Press ENTER Alarm 13 Available 2 Used 3 Choose either Original which will navigate you from the end to the start of your trip or Reverse 16 which will navigate you from the start to the end of your trip and press ENTER DSC Tab allows to control and set up DSC Digital Selective Calling features on the unit Reference What is Digital selective calling DSC
39. must apply for a ship station license or an amendment to a ship station license To find out if you require a Ship Station license contact http wireless fcc gov marine fctsht14 html If your vessel requires licensing by the FCC you will obtain a MMSI during the application licensing process when you file FCC Forms 159 and 605 U S Federal User Federal users can obtain MMSI assignments from their agency radio spectrum management office These procedures are currently under review by the NTIA National Telecommuni cations and Information Administration Outside the U S Users can obtain an MMSI assignment from their telecommunications authority or ship registry often by obtaining or amending their ship station license In Canada Industry Canada is responsible for assigning MMSI numbers to commercial and recreational vessels Information is available at the following web site http apollo ic gc ca english mmsi html For more information regarding MMST visit http www navcen uscg gov marcomms gmdss mmsi htm HOW CAN GARMIN HELP YOU WITH DSC To receive Distress Calls or Position Reports you must have a DSC equipped chartplotter as well as a VHF radio with DSC support During normal non emergency Position Report communication Channel 70 156 525 MHz has been set aside as the VHF DSC digital call channel For a Distress Call a mariner presses the MayDay button on their VHF radio The call transmits on an emergency channel with the
40. on our practice route lets take a brief look at its various features and displays The map display shows your boat as a triangle marker on an electronically generated chart Geographic names roads markers and buoys that are provided by the optional BlueChart or MapSource data are also shown It also displays your track routes and nearby waypoints An on screen cursor lets you pan to other map areas determine the range and bearing to a position and perform various waypoint and route functions The data window located at the top of the page provides a user selectable display of various navi gation data including speed over ground distance to the next navigation point compass ribbon and current position coordinates The current map scale setting is located at the bottom right of the page Using the Map Cursor Working from the Map Page is a simple process that centers around the use of the cursor Controlled by the ARROW KEYPAD the cursor is an important tool that can be used to pan to other map locations mark and edit waypoints and routes and review position data of on screen map items and waypoints To get a feel for using the Map Page and using the cursor try the following exercise 1 Use the IN OUT keys to set the map scale to the 50 nm setting Your boat should be near the center of the map at the receiver s last known position If your boat isn t where it should be make sure that you have initialized the receiver and acqu
41. the Receiver The first time you power up your GPSMAP 188 188C 238 Sounder the receiver must be given an opportunity to collect satellite data and establish its present position To ensure proper initialization the GPSMAP 188 188C 238 Sounder is shipped from the factory in AutoLocate mode which allows the receiver to find itself anywhere in the world To speed up the initialization process we recom mend using the graphic initialization process described on the next page which usually provides a position fix within a few minutes Before you initialize make sure the GPSMAP 188 188C 238 Sounder unit and antenna have been correctly installed on your vessel according to the instructions in Appendix A The antenna needs to be in a location with a clear and unobstructed view of the sky to receive satellite signals To turn on the GPSMAP 188 188C 238 Sounder 1 Press and hold the POWER key until the power tone sounds and the display comes on then release the POWER key A warning page appears asking you to read and acknowledge important informa tion regarding the use of the unit 2 After reading the warning press ENTER to agree and move to the next display To graphically initialize the GPSMAP 188 188C 238 Sounder 1 4 Press the MENU key twice for the Main Menu Press Up or Down on the ARROW KEYPAD until the GPS tab is highlighted then press the MENU key once Using the ARROW KEYPAD highlight Initialize Position
42. the transducer must be in the water to work properly It is not possible to get a depth distance reading when out of the water As the unit powers on it should immediately start showing the bottom Verify that the unit is not in the simulator mode If the unit is in the simulator mode make sure that the transducer is connected to the wiring harness To test the transducer installation gradually increase the boat speed while checking the unit opera tion If the unit displays intermittently or fails to display verify that the transducer is aligned parallel with the bottom and if necessary adjust the transducer height until the unit operates correctly It may be necessary to make several adjustments to ensure proper operation throughout the speed range A NOTE When adjusting the depth of the transducer make the adjustments in small increments Placing the transducer too deep can adversely affect the boat s performance and put the transducer at greater risk of striking underwater objects 99 Appendix B Installing and Removing Data Cards The first time you insert a data card the unit will take a few seconds to read the card Once the data card has been read a summary screen appears Press ENTER to acknowledge 100 Reading Mapa 145411 2160000 1S27060 300000 1S25324 b 1000 Copyright 2001 TRANSAS BATACO LTD m Installing and Removing Data Cards The GPSMAP 188 188C 23
43. this device must accept any interference received including interference that may cause undesired operation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or and experienced radio TV technician for help The GPS 188C Sounder does not contain any user serviceable parts Repairs should only be made by an authorized Garmin service center Unauthorized repairs or modifications could result in permanent damage to the equipment and void your warranty and your authority to operated this device under Part 15 regulations The GPS system is operated by the United States government which is solely responsible for its accuracy and maintenance The system is subject to changes which could affect the accuracy and performance of all GPS equipment
44. to highlight the desired option and press ENTER The following options are available e Adjustments lists the Adjustment Menu options and their current settings see page 33 35 To change an Adjustment setting 1 On the Adjustment options list use the ARROW KEYPAD to highlight the desired option and press ENTER 2 Use the ARROW KEYPAD to make the desired change and press ENTER e Show Hide Pointer allows you to reference sonar items and mark underwater waypoints This makes it easier to find and use an object such as a stump for a future fishing location When using this feature the Sonar Page pauses The pointer does not move off the paused display and cannot show an area that has scrolled off the screen The depth is updated while the display is paused but the unit will not show any new sonar data until the standard Sonar Page is resumed You may see a discontinuity from where the sonar information stops to where it starts again To mark an underwater waypoint 1 From the Sonar Page press MENU highlight Show Pointer and press ENTER to pause the screen movement 2 Use the ARROW KEYPAD to move the cursor onto the target underwater drop off stump etc you want to mark The data window at the top of the screen displays the cursor s depth coordi nates and bearing and distance from your current position 3 Press ENTER MARK The New Waypoint page appears with the waypoint s coordinates default three digit name an
45. to the equipment LIMITED WARRANTY This Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase Within this period Garmin will at its sole option repair or replace any components that fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labor provided that the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alteration or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATU TORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply to you Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY To obtain warranty serv
46. unit and press ENTER If the route point is a user waypoint you may edit any of the waypoint properties on the Waypoint Review page see pages 48 49 for details Route Review Once you are back on the Route Point List the next point in the route is automatically highlighted Options Menu This allows you to review each point on the route by repeatedly pressing ENTER Route Review Options Menu By pressing MENU on the Route Review page the following options are available Edit on Map Add Betore Remove and Trip Planning 60 e Edit on Map review and modify the route displayed for each point waypoint or map item on a map page You may also use the cursor to insert a new route point on a route leg review the waypoint or map item To edit a route on the map 1 From the Route Review page press MENU highlight Edit on Map and press ENTER To review a route point 1 Highlight the point and press ENTER The Review page appears Highlight Next and press ENTER to return to the map with the next route point highlighted To edit a route point 1 Use the ARROW KEYPAD to highlight the desired route waypoint and press MENU A pop up menu of editing choices appears with the following options Edit as Text return to the Route Review page Remove Move user waypoints only and Add To remove a route waypoint 1 Highlight the Remove option and press ENTER To move a route waypoint
47. use NMEA 0183 version 3 01 No additional NMEA sentences have been added or removed in 3 01 Appendix A Wiring and Interfacing You can download a copy of Garmin s proprietary communication protocol from the Help and Support section of our web site at www garmin com Complete information concerning NMEA amp RTCM formats and sentences is available for purchase from NMEA at NMEA Seven Riggs Avenue Severna Park MD 21146 U S A 410 975 9425 410 975 9450 FAX www nmed org Radio Technical Commission For Maritime Services RTCM 1800 Diagonal Road Suite 600 Alexandria VA 22314 2480 U S A 703 684 4481 Info Only 703 836 4229 FAX www rtcm org 95 Appendix A Selecting a Transducer dead zone fish not seen 96 Transducers The transducer acts as the eyes and ears of your new sonar Proper transducer selection and installation are critical to the operation of your unit The transducer transmits sound waves toward the bottom in a cone shape The larger the cone angle the larger the coverage area at a given depth A wide cone angle transducer works best in shallow water The wide cone angle provides a large coverage area but at a decreased bottom resolution In deeper water this can result in a large dead zone where fish cannot be seen A narrow cone angle transducer is better suited to deep water installations The narrow cone angle provides a smaller viewing area compared to a wide cone angle transducer
48. ve already seen how to use the ENTER MARK key to store your present position so it s time to move on to the fun part going to a destination The NAV key located on the keypad above the QUIT key is the primary tool used to select a destination waypoint TracBack or a route to navigate The NAV key can be used in two primary ways e Pressing NAV once displays a list of options from which you can select Go To Point Follow Route Follow Track or Stop Navigation e Highlighting an on screen waypoint or map item as a destination directly from the Map Page and pressing NAV allows you to graphically select points to Go To For our simulated trip you re going to select a pre programmed tour route using the first method This will also show how the MENU key is used throughout the GPSMAP 188 188C 238 Sounder system to provide tab style options and functions Let s start by changing the position to where the practice route is located To change the GPSMAP 188 188C 238 Sounder position in simulator mode Press the MENU key twice to display the list of Main Menu tab items Use the ARROW KEYPAD to highlight the Systm tab Highlight Set Position in the simulator setup window and press ENTER BRB W NO From the Initialize Position page press the MENU key With Enter As Text highlighted press ENTER 5 On the Enter Position window press ENTER then use the ARROW KEYPAD to enter N34 56 800 W076 24 066
49. with a temperature transducer sensor The chart reads from right to left so that the most recent temperature measured is displayed on the far right side of the chart The dotted lines within the chart indicate intervals in the temperature scale and the duration of time The following settings are available Temperature Scale sets the temperature range in degrees for displaying the log Select Auto to have the unit automatically determine the best range or select a span of 2 4 6 8 or 10 degrees Time Duration sets how fast or slow the temperature log scrolls the shorter the time duration the faster the temperature log scroll Select a duration from 1 minute to 2 5 hours Sonar Tab contains setup options for the Sonar Page See pages 38 40 Systm System Tab controls system settings for beeper speed filter languages system mode simulator controls restores factory settings and displays software version The following settings and options are available e Beeper controls audible beep Select from Off Alarms Only sounds for alarms messages or Key and Alarm sounds for key presses and alarms messages e Speed Filter averages speed readings Choose from Off Auto automatically controls filtering or On allows you to enter a value from 1 to 255 seconds e Language select from various languages for the units on screen display e System Mode select
50. 0000 Amer MUs11541 C 40000 Amer MUs11542 a 40000 Ameri MUs 11543 80000 America MUs 11544 80000 America Americas BlueChart v4 00 Us 11009 1200000 Americas BlueChart v4 00 Data Card Information page General Tab Detail Most More Normal Less Least controls how much map detail you will see This setting only applies to any map feature set to Auto Those features which have a specified scale or turned Off are unaffected by this setting Orientation North Up fixes the top of the map display to a north heading Track Up fixes the top of the map display to the current track heading Course Up fixes the map so the direction of naviga tion is always up and turns the navigation leg line vertical on the screen AutoZoom On Off when On the map will automatically adjust the map scale to a lower scale as you approach you destination point Source Tab Basemap On Off turns the built in basemap on or off Data Card Maps On Off turns all optional BlueChart MapSource data loaded on the data card on or off The Data Card Maps option box shows a list of the optional BlueChart MapSource data loaded on the data card Each area is described by name and may be deselected if you do not wish to display the data on the Map Page To view data card map information e 2 5 Highlight the Data Card Maps option box and press ENTER Use the ARROW KEYPAD to scroll through
51. 21 Keypad A l Initializing the Receiver o o o o 2 Selecting Options amp Entering Data 4 A In 7 A we E aE ae ad a 7 MAD PACE a ta 8 Going toa Destination ascii 11 OMA A aii 14 COMPASS PASC artis dan 16 Numb Pate arica aii 16 A etin a inea Seats igi viii Active Route Page dra 19 Mam Men Paris 20 Section Two Reference 22 77 Marder E EE EE EEE ET 22 USI SCE GUESOL aaa 22 a A 24 Map Page ODUONS votas csi ae DOME ACC E A ns Beatie 33 Using the Adjustment Menu 33 Sonar Page OC PUONS ette 36 SOM Pass A he e E eea 41 NUNES Pads tar aha tesa AD UCA DA tarta bad 42 Ne e ETE E EE EEEE 44 CIA EEE ao aa Reyiewineand ETON eito 48 Going tod Destination casera statues 53 Cola 53 o A eee OS Smee 54 MOBT airina E e OFE 56 A AITA EE EEEE 3 CHCA qe nio a H A aS 58 ROUTES PE dorar an 59 Route ReviewPase idas 60 Acuve Route A iia aide aee oes 64 TMG GW pacman nerd 65 Main Ment AC ai esate a torantes ei 67 A hak oe hs Asma eee 68 A a ace eed bein aes 72 TTA A ede arte edes tree 14 Coles aida 14 TRACT AD cree Me aa N iD OCT A inet tinea narrated eo aie A as EE iaa as dd e he 82 Ii A ON 82 PAGES LO ti ta ripio 83 AS Eaa 84 sb 84 US aca T A 85 nte AAA 87 A AA E EEEE 90 Appendices wsvatasida dicen 92 121 Appendix A Installation israel 92 Appendix D Data Cards sere dis ean 100 Appendix C Maintenance 101 Appendix D Corn TD cartas 102 Appendix E M
52. 3 68 70 Sale SOMA srta sa tl Aine ae 39 SHOU A Eames eon aces 36 120 a cis adv esunayvecad sd as 4 5 Dera DAA FONA Avs sagen meg pone a Pet 81 NA x Seely aden Mites iv shallow Water Alain islas 85 A Rott ta aina 26 Show Pide POUNCE eat sue Ola dds noel 37 Show Numbers Show Sonar 28 37 Siena rene Balay E EETA aos 3 68 SaO 4 eeen IO A 7 82 84 85 SNUIT O D e E TEE 12 18 85 A A O E 29 38 Skyview Satellelite Orientation 14 Software License Agreement V S a e PEE EE 85 Sa OEE E taensae 14 15 33 40 Sonar Understanding 111 115 A A dN nn ne eet 34 35 SPEAR 116 117 Speed Distance and Elevation Units 86 A Nanay Er mies 84 O A oi dalek a aa 101 Ste SUTISEL di e od DA A EE E E a 84 85 T PEO CONE A viii e E EA EE ES EE 35 Topenie Los actas ia a 84 Temperature UNS barca 86 Thermoclines 0 0 14 115 AAA ore ae aed ce 12 73 a A e e pIE 83 A AEE ERS 110 WMG ZON AA R A OS 17 A Scns aie eee EEN 14 TraeBack Navi add ries 54 56 Track Log B AEE EEEE EET J4 Color Color umt ecs agesi due he A 55 A EE E 15 SM trote suda od 54 55 16 Showing on Map Highway 32 39 76 Style monochrome units 55 TACK SOND iy hae ntact Wea eee Akon eee 75 76 Track Up Map Orientation 30 TS ess 96 99 112 Tapand Fuel Panning di 63 Tip dom rt weed ag 14 U Units Sen erat nera dada ll dci dd 85 86 Understanding Sonar
53. 8 Sounder uses optional Garmin marine BlueChart and MapSource data cards to display digital charts and maps on screen You may also transfer user data to data cards pg 82 Data cards are installed in the card slot located at the bottom right of the unit Data cards may be installed or removed at any time whether the unit is on or off To install a data card 1 Open the card door by pressing together on the two handles at the bottom of the door and lifting it up and open 2 Insert the card into the slot with the label facing front and the handle bottom 3 Firmly push the card into the unit It in not necessary to force the card and about 1 2 will still be exposed when it is properly inserted If the unit is on a confirmation tone sounds and a message displays on the screen noting the card details when the card has been properly installed and accepted 4 Close the cover If you insert a data card and get a card format not recognized message try removing the card and reinserting it If the card is still not recognized contact the Garmin or your Garmin dealer for assis tance Data cards are not waterproof should not be exposed to moisture or excessive static charges and should be stored in the case supplied with the card To remove a data card 1 Open the card door by pressing together on the two handles at the bottom of the door and lifting it up and open 2 Grasp the card handle at the bottom and pull down firmly 3
54. 800 ft 0 2 nm 800 nm sets the maximum Waypoints Tab pee ar ae a scale at which the feature appears on the screen Some types of data will only show up to certain zoom scales Navaids Tab Symbol Set controls the desired Navaid symbol set Auto BlueChart maps are drawn using seerall Source Waypoints HIAK symbols similar to the NOAA NIMA standard non BlueChart symbols are drawn using traditional Text Zoom Garmin symbols Garmin All maps are drawn using traditional Garmin symbols NOAA All maps Spot Soundings Small OM points Tab are drawn using a symbol set similar to NOAA NIMA International All maps are drawn using a rene Auto ae Services None Auto symbol set similar to the IALA symbol set Text Size None Small Medium and Large controls the screen size of the name Light Sectors Controls the drawing of light sectors on the map When enabled color units l indicate the actual color of each sector using the color of the light Monochrome units draw white zurce Waypoints Points CITZITH k and yellow sectors as white and draw blue red amp green sectors as dark gray Off no light sectors Navaids Tab Symbol set Auto are ever drawn Auto Light sectors appear when you point to them with the map cursor On Light Text Sie Med sectors are drawn for all lights that have them Light Sectors Auto Nav Line Tab Heading Line On Off draws an extension from the end of the boat icon in the direction
55. ARROW KEYPAD to highlight TIME OF DAY and press ENTER You will see a scroll bar on the right side of the window indicating your current position on the entire list of options 5 Press QUIT when finished iS Active Route Page Press PAGE to see the last page appearing in the main sequence which is the Active Route Page Whenever you have activated a route or Follow Track this page lists the names of the route points along with useful data for each point As you navigate the route the information will automatically update to indicate the next point along the route For more detailed information on the Active Route Page see page 64 Getting Started Changing Data Fields Active Route Page Next TOUR2 Dest TOURS TO COURSE SPEED You may choose from 40 0 062 Next TOUR4 Dest TOURS 00 Current waypoint TOUR GPSHAP TOUR Waypoint Distance 4 Course gt TOUR1 TOURS DTO TOUR4 2a 0 TOURS 12 0 cand 42 08 351 Active Route Page 19 Getting Started Main Menu Page As you ve seen the primary pages provide map and navigation information The tours last page is Main Menu Page the Main Menu page which allows access to the GPSMAP 188 188C 238 Sounders waypoint route and Deleting Waypoints planning functions as well as various operational and navigation setup features and celestial and tide data The Main Menu is avail
56. AT DESTINATION e P M POSITION Current Nav Point ____ P Data Fields Route Waypoints Desired Track Line Current Position _ _ 7 N 34 49 818 W076 27 026 Numbers Page with the middle data field split into four small data fields Next TOUR2 Dest TOURS DISTANCE TOME IME TO NEXT n 1 9 02 33 e ooo OOS O10 osf ozo 025 030 035 040 so 355 Zoom Scale Highway Page Numbers Page The Numbers Page provides a quick reference for the important data you want to display The default page displays three large user selectable data fields showing a compass ribbon speed and cur rent position coordinates You may also choose to show the three data fields in large lettering for better readability or you may split any or all of the data fields to show 4 smaller data fields For detailed instructions on changing the data fields and layout of the Numbers page see pages 26 28 Highway Page When a Go To TracBack or route has been activated the GPSMAP 188 188C 238 Sounder s Highway Page provides digital and graphic steering guidance to the destination The top half of the Highway Page features user selectable data fields that display useful navigation data Additionally a compass ribbon is displayed to show your current heading along with a dark vertical bar indicates the bearing to your course To stay on course steer towards the black vertic
57. Although the Garmin GPSMAP 188 188C 238 is a precision electronic NAVigation AID NAVAID any NAVAID can be misused or misinterpreted and therefore become unsafe The electronic chart is an aid to navigation and is designed to facilitate the use of authorized government charts not replace them Only official government charts and notices to mariners contain all information needed for safe navigation and as always the user is responsible for their prudent use Use the GPSMAP 188 188C 238 at your own risk To reduce the risk of unsafe operation carefully review and understand all aspects of this Owners Manual and thoroughly practice operation using the simulator mode prior to actual use When in actual use carefully compare indications from the GPSMAP 188 188C 238 to all available navigation sources including the information from other NAVAIDs visual sightings charts etc For safety always resolve any discrepancies before continuing navigation FCC Compliance The GPSMAP 188 188C 238 complies with Part 15 of the FCC interference limits for Class B digital devices FOR HOME OR OFFICE USE These limits are designed to provide reasonable protection against harmful interference in a residential installation and are more stringent than outdoor requirements Operation of this device is subject to the following conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received includ
58. CKLIGHT CONTRAST Key turns the unit on off and adjusts display illumination Also controls Contrast on monochrome units A NOTE Always press and release a key to perform its primary function Pressing and holding the ENTER MARK key will activate its secondary function Getting Started Initializing the Receiver Power On Ready 3D GPSMAP 188C Software Version 5 20 Basemap Worldwide Marine 1 00 Unit ID 1 External Devices Legal Disclaimer All information is presented for reference only You assume total responsibility and risk associated with using this device Copyright Information 2003 Garmin Ltd or its subsidiaries 2000 AND DATA IRELAND LTD CIUDAD DE GUA E GPSMAP 188 188C 238 Sounder Warning Screen The GPSMAP 188 188C 238 Sounders advanced keypad system is designed to allow for fast con venient selection of navigation options and data entry The Getting Started Tour will introduce you to the keypad and provide a hands on lesson in using the GPSMAP 188 188C 238 Sounder We strongly encourage you to follow the Getting Started tour before using your unit for actual navigation The GPSMAP 188 188C 238 Sounder Quick Reference Guide contains helpful tips on using the unit and performing various navigation tasks Its a good idea to keep the Quick Reference Guide nearby whenever you re operating your GPSMAP 188 188C 238 Sounder Initializing
59. ENTER Or highlight the first available blank slot in the Route List and press ENTER To add an existing waypoint or map item to the route use the ARROW KEYPAD to highlight the desired waypoint or map item on screen and press ENTER Map items will not appear in the waypoint list To create a waypoint from a map item see page 45 To add a new waypoint to the route use the map cursor to select the desired map position and press ENTER Press ENTER again to confirm the new waypoint You may also change the name symbol and other properties of the new waypoint see pages 48 49 As you add each new waypoint to the route the data window at the top of the map display will show the waypoint map item name bearing and distance from your location and coordinates of the cursor The bottom of the display will show you the number of available and used points A route line appears on the map to indicate each completed leg and a dotted line appears to indicate the distance and bearing to the arrow cursor from the last route waypoint Repeat steps 3 and 4 until you have finished defining all route waypoints When finished press QUIT twice to return to the Route List page or press MENU highlight Edit as Text and press ENTER to return to the Route Review page Reference Creating a Route Main Menu Route Tab and Route Options Menu FSHHVN 010 Brn N 35 08 345 HO75 23 250 j i l bia DIAMOND Y SHOALS
60. EYPAD to edit enter the data To drop to the next line press to the right on the Editing Waypoints ARROW KEYPAD Press ENTER when done On the Waypoint Review and Waypoint Edit pages you may also delete the selected waypoint view the waypoint on the map and move the waypoint on the map To delete a waypoint 1 On the Waypoint Review Waypoint Edit page use the ARROW KEYPAD to highlight Delete and Symbol Tide press ENTER With OK highlighted press ENTER again to confirm the deletion sr ee a Mans To view and move a waypoint on the map b LIGHT 1 From the Waypoint Review Waypoint Edit page highlight Show Map and press ENTER The Comment I N 3506738 Den waypoint is highlighted on a map screen with an information window that shows the waypoint h name position and distance and bearing from your current position 930 3 095 Depth 2 To move the waypoint press ENTER A MOVE label will now appears under the cursor arrow It inae may be necessary to use the IN and OUT keys to zoom the map 2983 Available 17 Used 3 Use the ARROW KEYPAD to move the waypoint to a new position As you move the cursor around the map display the information window at the top changes to show the distance bearing and position of the map cursor in relation to the waypoint s original position and a description of there the cursor is on the map If you wish to s
61. Geocentric Datum of Australia Geodetic Datum 49 New Zealand Guam 1963 Guam Island Guadalcanal Island Hjorsey 1955 Iceland Hong Kong Taiwan Indian Bangladesh India Nepal Indian Thailand Vietnam Indonesia 1974 Indonesia Ireland 1965 Ireland ISTS 073 ASTRO 69 Diego Garcia Johnston Island Kandawala Kerguelen Islnd Kertau 1948 L C 5 Astro Liberia 1964 Luzon Mindanao Luzon Philippine Mahe 1971 Marco Astro Massawa Merchich Midway Ast 61 Minna NAD27 Alaska NAD27 Bahamas NAD27 Canada NAD27 Canal Zone NAD27 Caribbn NAD27 Central NAD27 CONUS NAD27 Cuba NAD27 Grnland Kandawala Sri Lanka Kerguelen Island West Malaysia Singapore Cayman Brac Island Liberia 1964 Liberia Luzon Mindanao Island Luzon Philippines excluding Mindanao Isl Mahe 1971 Mahe Island Marco Astro Salvage Isl Massawa Eritrea Ethiopia Merchich Morocco Midway Astro 61 Midway Minna Nigeria North American 1927 Alaska North American 1927 Bahamas excluding San Salvador Island North American 1927 Canada and Newfoundland North Am 1927 Canal Zone North American 1927 Caribbean Barbados Caicos Islands Cuba Dom Rep Grd Cayman Jamaica Leeward and Turks Islands North American 1927 Central America Belize Costa Rica El Salvador Guatemala Honduras Nicaragua North Am 1927 Mean Value CONUS North American 1927 Cuba North American 1927 Greenland Hayes Penin
62. K If you make a mistake and select an incorrect character simply press LEFT on the ARROW KEYPAD to backspace the cursor and then UP or DOWN to correct the entry If you accidentally press ENTER MARK before you are done simply press ENTER MARK again and move the highlight to where you left off 5 After you have entered all the letters press ENTER MARK to confirm the name To access the waypoint symbol page highlight the waypoint symbol field which is to the left of the waypoint s name and press ENTER MARK The default symbol is a dot You will see an alphabetical list of available waypoint symbols to choose from Press the ARROW KEYPAD UP or DOWN until you highlight the ANCHOR symbol You will see a scroll bar on the right of the window indicating your current position on the entire list of symbols 8 Press ENTER MARK to confirm the ANCHOR symbol 9 Highlight OK at the bottom of the window and press ENTER MARK again to confirm the OK prompt and save the waypoint The waypoint is now stored in memory Note that waypoints may also be created graphically from the map display or by manually entering position coordinates Each of these techniques is described in the reference section of the manual and or on your GPSMAP 188 188C 238 Sounder Quick Reference Guide Going to a Destination GPS is all about marking positions as waypoints and navigating to them using the receivers steering guidance and map displays We
63. Main pages Points egies Track While in Simulator mode a Running Simulator message appears after 2 minutes of inactivity bee A Now you re ready to continue the rest of the simulated tour Keep in mind that the GPSMAP 188 ml A as 188C 238 Sounder does not track satellites in simulator mode and this mode should never to mo 7 be used for actual navigation All the waypoint and route planning done in simulator mode is still Sew Os retained in memory for future use Comm Ss Running Simulator ore A Running Simulator message appears after 2 minutes of inactivity Getting Started Main Pages Map Page Main Pages The Map Page is one of six main pages used in the GPSMAP 188 188C 238 Sounders system The six main pages are the Map Page Sonar Page Compass Page Numbers Page Highway Page and Active Route Page All six pages are linked together in a simple chain which allows you to scroll through the pages in either direction ao ES PAGE and QUIT ys 5 120 30 o t N 36 14 621 H078 38 767 Map Page Sonar Page Compass Page Numbers Page Highway Page Active Route Page a lt Map Page The GPSMAP 188 188C 238 Sounders Map Page combines digital chartplotting with a user select able display of navigation data and a built in worldwide database It will also be the page you use most to create and edit waypoints and routes Before we take off
64. Nearest to Destination Wrecks Obstruct You may also start a Find from items found on the Find List or from another location on the 3 Select a reference point on the map and press ENTER The search results list will change to list items nearest to the new map position To find a waypoint or item from another location on the map 1 From the Map Page use the ARROW KEYPAD to pan to the desired location and press FIND 2 Using the ARROW KEYPAD highlight the desired category from the list and press ENTER map 65 Reference To view details about an item 1 With the desired item highlighted in the search results list press ENTER Find Options 2 An Information page appears with details about the item organized in a tabbed format Depending on the type of item additional options are available for viewing the item on the map viewing notes on a MapSource or BlueChart map viewing a tide chart viewing a list of maps on your data card Tide Stations Additional Information and viewing the next item in the search results list PTOI Worldwide Marine xe Oregon Inlet Tabs The Find option supports a find from feature which allows you to center your search around an item that you have just found For example you search for Restricted Areas and the search shows Distance Bearing an Anchoring Prohibited search result If you press FIND again you will see From Anchori
65. O A 5 l 1 A F a ae 4 1 CAUTION j I 0 I j GuSUeM BUOY ka mapsource ore GPSMAP TOUR osc _ Card Time Copy Route Pages Delete Route Map Delete All Hiway _ 6550 for Main Menu 49 Available 1 Used 52 Points ME 2 Points Used You will see ADD below the cursor as you add points 57 Reference To create a route using text 1 Press the MENU key twice to display the Main Menu page Use the ARROW KEYPAD to highlight Creating a Route the Route tab Following a Route 2 Press the MENU key to display the route options page Select the New Route option and press ENTER Ears Fed Or highlight the first available blank route slot and press ENTER a ayy a 3 Press MENU select Edit as text and press ENTER ities edi 4 Use the ARROW KEYPAD to highlight the first field under the word Waypoint and press ide Stations Transportation Choose the type of point ENTER recks Ubstruc H cn dla 5 From the Find menu highlight Waypoints and press ENTER You may also choose from other y points such as Cities Tide Stations etc from this list Select a waypoint from either the By Name or Nearest list and press ENTER See page 45 for searching for waypoints by name 4 6 On the Point Review or Waypoint Review page OK is au
66. Route page appears with the GPSMAP TOUR route highlighted Press ENTER highlight Activate and press ENTER again to activate the route gt e W N To zoom in to a closer map scale 1 Repeatedly press the ZOOM IN key until you select the 3 nm scale You may also hold the ZOOM IN or ZOOM OUT keys down to quickly scroll through the map scales The Map Page should now display five waypoints chained together in a simple route with your boat at the first route waypoint A data field at the top of the page now displays the speed distance to the second route waypoint your position coordinates and a compass ribbon which shows you which way to go To get started lets enter a speed for our vessel which we can do from the Main Menu Page To enter a boat speed 1 Press the MENU key twice to display the Main Menu Page 2 Use the ARROW KEYPAD to highlight the Systm tab then press RIGHT then DOWN until the field below the word Speed is highlighted and press ENTER 3 Use the ARROW KEYPAD to enter a speed of 40 knots 4 Press ENTER to finish and QUIT until you return to the Map Page Once a speed has been entered you ll notice that the map automatically begins to move slowly keeping your boat centered on the display The direction of movement also called track is controlled by the simulator You ll now have a clearer picture of the route you are navigating Keep in mind that when you exceed the usable ran
67. SSagOS tipa n Da ass E Dc 106 107 MOB vuestro 1 56 Mons MOS ners cesrcraws endnotes 74 N NATE ao ost bans 1 12 53 56 58 59 82 NAVAIGS naa enact ae uate need sae Cues 3 Navigation Term Sesiinae 108 109 Nearest FM 60 66 NMEA Output FONAS recia 01 9 IME SUD vestir name eats 89 90 A A AE E BGs 36 North Up Map Orientation 30 Numbers Pale cineca eek meant teenies 16 17 42 0 Odomerets A Lancers exes 14 OE AAA EE 91 Doe A cun ay vedas Jaa 4 5 Appendix K Index Orientan on Ap Partiendo 30 o AO l a eein bees ga 24 25 P PACKING Lich cod vi PAGE Key 0 EE l Pages A a A AEA 83 POSH OM FORMAL oie OEA 85 Poston RE DOD create Sie Ged ada 19 82 Power OWO aniran dies a T o VAVA POWel Dae KEM arena A 156 a O stele Aue alls he 5 alert 2 i a WAV DOINGS Sa ae ck age asune esas 51 52 Q A A ee ee l R Reier a id Ea 3 68 70 Re evaluate Active Route 0 0 00 64 119 Appendix K Index o AA A aed Gia 1 Restore UniEDe Ulster arco 85 Reviewing WayDOMS cds rias 48 A A stata eda tte Yt Sane 59 ROUE REVIEW A ODON 60 Routes Activating Following 12 58 59 COE eera se a tone ea icrads 59 C AUNE a2 nnp e a 57 58 DEEE E E E TE E 59 DA a EE E 59 A CEE a ies 59 63 Insert Add Turns Points 61 62 veria REVERSING usd iran 30 39 04 Na psina moh Ras aS 60 A calmed tree 63 Removing POUMS at cae ia oat eae 61 62 REVIGWINS COS 60 61 S Sae iie Mi iia adas cn
68. TE The scale value represents the distance from one end of the scale bar to the other The GPSMAP 188 188C 238 Sounders system has a built in worldwide database to 20 mi with more detailed coverage available through the use of the optional BlueChart or MapSource data The GPSMAP 188 188C 238 Sounder displays cartography as long as there is chart information available for the range you ve selected Map coverage will conform to the following conditions e When the selected zoom range is covered by either the internal database BlueChart or MapSource data cartography will be displayed e When the selected zoom range is covered by both the internal database and BlueChart MapSource data cartography will be displayed using the data with the best resolution e When the selected zoom range exceeds the resolution of the data in use overzoom cartography will be displayed and an overzoom warning appears below the scale field Map Page Options Many features of the GPSMAP 188 188C 238 Sounder are menu driven Each of the main pages has an options menu allowing you to custom tailor the corresponding page to your preferences and or select special features that specifically relate to that page The data window located at the top of the main pages provides a user selectable layout of various types of useful data or sonar information Each data field may be configured to display any one of several data options The data window layout may also be chang
69. WAAS satellite signal reception requires an absolute clear view of the sky and Time Trex i works best when there are no nearby obstructions such as buildings mountains etc WAAS satellites Me Initialize Position f will be numbered 33 or higher when viewing the sky view on your GPSMAP 188 188C 238 Sounder Sen mo for Main Menu Initial reception of the WAAS signal may take up to 15 20 minutes then 1 2 minutes afterwards When WAAS differential correction has been received for GPS satellites numbers 32 or below a D appears in the signal bar of the sky view and 2D or 3D Differential appears in the receiver status To learn more about the WAAS system its satellite positions and current state of development visit the FAA web site Highlight WAAS Off and press ENTER http gps faa gov Since WAAS requires CPU resources of the GPSMAP 188 188C 238 Sounder to to disable the WAAS capabilities search for and track the satellites you may disable the WAAS feature to improve unit performance if WAAS reception is not available in your area To disable enable WAAS capability 1 From the GPS tab press MENU then use the ARROW KEYPAD to highlight WAAS Off or WAAS On and press ENTER Receiver Status Accuracy and DOP Receiver status is indicated at the top field of the page with the current Accuracy and Dilution Of Precision DOP to the right of the sky view DOP is an indication of satellite geometry q
70. Whenever a NAV Follow Track TracBack or Follow Route have been activated the GPSMAP 188 188C 238 Sounders Compass Page will guide you to your destination with digital readouts and a graphic compass display which includes a bearing pointer Use this page instead of the Highway Page when travelling at slower speeds when making frequent directional changes or where straight line navigation is not possible due to obstructions or terrain The middle of the page features a rotating compass ring that shows your course over ground track while you re moving Your present course over ground is indicated at the top of the compass ring A bearing pointer arrow in the middle of the compass ring and a bearing bug indicator on the outside of the compass ring indicate the direction of the destination bearing relative to the course over ground The compass ring and pointer arrow work independently to show at a glance the direction of your movement and the direction to your desti nation For instance if the arrow points up you are going directly to the waypoint If the arrow points any direction other than up turn toward the arrow until it points up then continue in that direction A The bearing pointer bearing bug and or compass ring may point in various directions when you are stationary or at very low speeds Once you start moving the pointer will be correct The Compass Page features a menu page that provides access to layout
71. able from any page and is accessed through the MENU key S User Proximity DO a To access the main menu page Tabs Main GARMIN 1 Press the MENU key twice GRMEUR si GRMPHX The Main Menu page lists 19 vertical tabs that are divided into categories by function You can abs GRMTWN view a particular menu by simply highlighting the desired tab which will then show any secondary horizontal submenu tabs and options for that tab TOUR1 TOUR2 TOURS TOUR4 TOURS 2990 Available 10 Used To get a basic feel for how the Main Menu page works lets delete the two waypoints you created during the simulated tour This will ensure that you have a clean slate once you start navigating in your home waters Main Menu To delete the practice waypoints 1 Use the ARROW KEYPAD to highlight the Points menu tab You will see a list of stored waypoints appear to the right of the Main Menu list 2 Press RIGHT one time on the ARROW KEYPAD to highlight the User tab 3 Press DOWN on the ARROW KEYPAD and highlight waypoint 001 with the shipwreck symbol 4 You may delete the waypoint by either pressing MENU then highlighting Delete Waypoint or by pressing ENTER and then highlighting Delete from the Waypoint Edit page 5 Press ENTER to delete the waypoint then ENTER again to confirm Repeat the above steps to delete the Dock waypoint also 20 Co
72. al memory or start a TracBack route See pages 54 56 for TracBack information The Track submenu is Tr msani Nada divided in two tabs Active tab and the Saved tab Points Interval Value eo ee Trek Resolution 82 Active Tab Active Track Tab bse l Erase The Active tab is for the active log the log currently being recorded It displays track memory Pases used and current settings For the Active tab the following settings are available wer e Record Mode lets you select one of three track recording options Sy Off No track log will be recorded Note that selecting the Off setting will prevent you from Alarm Active Track Memory Used using the TracBack feature Fill a track log will be recorded until the track memory is full Wrap A track log will be continuously recorded wrapping through the available memory replacing the oldest track data with new data SPS atve ETT Trip_ 24 JUL 02 e Interval defines the frequency at which the track plot is recorded Three interval settings are avail Celes RUN able i Tr ack Time m me m me me me me me m a Distance records track based on a user defined distance between points m Main Menu DA NS o Saved Track Tab Time records track plot based on a user defined time interval RAN A Resolution records track plot based upon a user defined variance from y
73. al indicator or arrows until it lines up with the red bar in the middle The bottom section of the screen provides visual guidance to the waypoint on a graphic highway display The line down the center of the highway represents your desired track line As you head toward your destination the highway perspective moves to indicate your progress to the waypoint and which direction you should steer to stay on course If you are navigating a route the Highway Page shows each route waypoint in sequence connected by a red road with a yellow line down the middle which is your desired track line Nearby waypoints not in the active route can also be displayed The highway perspective scale may also be zoomed in or out to display a larger or smaller view of the highway Five settings are available from 1X to 16X with a default setting of 8X To change the highway perspective scale 1 Press the ZOOM IN or ZOOM OUT key to select the desired setting The Highway Page options menu provides access to functions and features relating to the Highway Page and the layout options The data window located at the top of the page provides a user selectable layout of various types of useful data Each data field may be configured to display several data options The data window layout may also be changed to display additional data fields and change the actual size of the data displayed To display the Highway Page options 1 Press MENU To select a menu optio
74. ale at which the feature appears on the screen Map Outlines On Off toggles the coverage boxes for BlueChart MapSource data On and Off e Turn Declutter On Off toggles between showing spot soundings and map outlines for easier viewing Map Setup Menu Options From the map setup page you can access the following menu options e Defaults restores settings back to factory settings for the tab highlighted All Map Defaults restores settings back to factory settings for all tabs To restore defaults for map settings 1 From the Map tab in the Main Menu highlight the tab you want to restore settings to and press MENU 2 Highlight Defaults highlight All Map Defaults if you want all tabs restored and press ENTER Sonar Page Reference The Sonar Page is where your GPSMAP 188 188C 238 Sounder becomes a powerful fishfinder flasher Fish are displayed as colored arches or as fish icons in three different sizes Thermoclines are Sonar Page shown as shades of blue The area of strongest sonar return or whiteline is displayed as solid white Typically the bottom will be the primary whiteline A thin whiteline indicates a soft bottom while a VTarget Level thick whiteline will follow the contour of the bottom and show any objects of reasonable size For more 312 information on understanding sonar and the display see page 14 and Appendix I Adjustment Using the Adjustment Menu Menu T
75. alls are received they are updated constantly to give the most current information even if the unit is left unattended Any entry from the Call List can be selected to show an Entry Review DSC Log When DSC calls are received they are automatically stored in the Log with the latest call at the top The unit may store up to 100 logs Once 100 logs are received the oldest log file is removed when a new call is received The Log displays information of call Type Date Time Position and MMSI Name Pressing MENU from this page allows you to Sort By Time Sort By Name Sort By Call Type Delete only after highlighting a particular call and Delete All To Review a Call 1 From the DSC tab of the Main Menu and the Log or Call List tab highlighted press DOWN Arrow Keypad until the call you want to review is highlighted 2 Press ENTER MARK to select the call DSC Entry Review The DSC Entry Review operates similarly to the Distress Page and Position Report Page This page has the additional option to Delete the displayed call From the DSC Entry Review you can Delete the entry Show on map or Create Waypoint and create a name for the entry DSC Directory The DSC Directory acts much like a phone book A user can save up to 50 contacts The directory lists by Name and MMSI number Pressing MENU from this page allows you to create a New Item Delete Item or Delete All
76. ana Lesotho Malawi Swaziland Zaire Zambia Zimbabwe Kenya Tanzania Ascension Island 58 Ascension Island Sorol Atoll Tern Island Astro Beacon E Iwo Jima Astro Dos 71 4 St Helena Astronomic Stn 52 Marcus Island Australian Geod 66 Australia Tasmania Island Australian Geod 84 Australia Tasmania Island Austria Efate and Erromango Islands Bermuda 1957 Bermuda Islands Bogata Obsrvatry Colombia Campo Inchauspe Argentina Canton Astro 1966 Phoenix Islands Cape South Africa Cape Canaveral Florida Bahama Islands Carthage Tunisia CH 1903 Switzerland Chatham 1971 Chatham Island New Zealand Chua Astro Corrego Alegr Djakarta Dos 1968 Dutch Easter Isld 67 European 1950 European 1979 Finland Hayfrd Gandajika Base GDA Geod Datm 49 Guam 1963 Gux Astro Hjorsey 1955 Hong Kong 63 Hu Tzu Shan Indian Bngldsh Indian Thailand Indonesia 74 Ireland 1965 ISTS 073 Astro Johnston Island Chua Astro Paraguay Corrego Alegre Brazil Djakarta Batavia Sumatra Island Indonesia Dos 1968 Gizo Island New Georgia Islands Dutch Easter Island 1967 European 1950 Austria Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland European 1979 Austria Finland Netherlands Norway Spain Sweden Switzerland Finland Hayford Finland Gandajika Base Republic of Maldives
77. ap Datum 104 Appendix Po Messages neie iera i ea 106 Appendix G Navigation Terms 108 Appendix H Time Ollisets 4 4 4 02 22d05 110 Appendix I Understanding Sonar 111 Appendix Speclica cons print cdi 116 APO OURE TUEK iodat iaa 118 Using the Keypad Getting Started ZOOM IN Key adjusts the map scale to display a smaller area with more detail Zooms in Keypad Usage ZOOM OUT Key adjusts the map scale to display a larger area with less detail Zooms out NAV Key displays the Go To and Follow navigation menu PAGE Key selects the main pages in sequence and returns display from a submenu page QUIT Key returns the display to the previous page and when entering data it restores the previous value cancels data entry MENU Key displays a menu of available options for the current page Press twice to display the Main Menu ARROW KEYPAD used to select Highlight menu options and enter data It also controls cursor movement on the Map Page FIND Key activates the find function to search for nearby items and user waypoints ENTER MARK Key selects a highlighted menu option When entering data it allows you to initiate entry and then to accept the selected value s It also marks the current location as a waypoint when pressed and held for more than one second MOB Man OverBoard Key activates the Man OverBoard navigation feature when pressed POWER BA
78. at the same depth with improved bottom resolution and a smaller dead zone Dual frequency transduc ers give you the best of both wide and narrow cone angles Included in the GPSMAP 188 188C 238 Sounder with transducer package is a 200 50 kHz dual frequency 10 40 cone angle temperature sensing transom mount transducer This transducer provides good all around performance Since many mounting locations vary listed below are a variety of optional transducers and accessories which are available from your local dealer or Garmin e 200 50 kHz 15 45 bronze thru hull depth temp speed e 200 50 kHz 15 45 bronze thru hull long stem depth temp speed e 200 50 kHz 15 45 bronze thru hull mount depth only e 200 50 kHz 15 45 plastic transom mount depth temp speed e 200 50 kHz 15 45 bronze thru hull mount depth only e 200 50 kHz 15 45 plastic transom mount depth temp e 200 50 kHz 15 45 plastic in hull adjustable mount depth only Speed Sensor e Temperature Probe Thru hull fairing block e 10 ft Extension cable for transducers e 20 ft Extension cable for transducers Proper transducer installation is key to getting the best performance from your new unit If the transducer lead is too short extension cables are available from your Garmin dealer DO NOT cut the transducer lead or any part of the transducer cable as this will void your warranty The cable cannot be spliced and connected to any e
79. at speed and course to get a feel for how the highway works To adjust the simulated boat speed heading from the Highway Page 1 Press the UP arrow of the ARROW KEYPAD to increase the speed in 10 knot kph mph increments Press the DOWN arrow to decrease the speed in the same increments Press the LEFT and RIGHT arrows of the ARROW KEYPAD to steer the boat adjust the heading A NOTE In simulator mode you may also change the simulated speed by pressing UP or DOWN on the ARROW KEYPAD from the Compass page Notice that as you get off course the highway will move to give you graphic guidance to get back on course You can zoom in or out on the Highway display for a smaller or larger view Five available settings range from 1X to 16X with a default setting of 8X The current scale appears in the bottom right of the display To zoom in or out on the highway display 1 Press either the IN or OUT key to increase or decrease the zoom scale Changing Data Fields The data fields on the main pages may also be configured to display several different information categories see pages 26 27 for the complete list On the Highway Page lets change the TIME TO NEXT field to TIME OF DAY To change a data field 1 Press the MENU key to display the Highway Page options With Change Numbers highlighted press ENTER Use the ARROW KEYPAD to highlight TIME TO NEXT then press ENTER On the alphabetical list of options use the
80. ation Go To Point Follow Route and Follow Track TracBack Once you are actively navigat ing you will see a straight line that always runs from your current location to the destination on the Map Page The easiest method for selecting a destination is the Go To function which lets you select a destination point then quickly sets a direct course from your present position If you highlight a point on a list or the map and press NAV Go To lt point name gt appears in addition to Go To Point The Go To function can be accessed from any list of points or graphically from the map display To activate a Go To from a point list 1 Press the NAV key 2 Use the ARROW KEYPAD to highlight Go To Point and press ENTER 3 From the Find menu highlight Waypoints and press ENTER You may also choose to go to other points such as Cities Tide Stations etc from this list 4 Select a waypoint from the By Name or Nearest list then press ENTER To display the Waypoint Review page for the selected waypoint 5 With the Go To button highlighted press ENTER to begin navigation To stop navigation 1 Press the NAV key Use the ARROW KEYPAD to highlight Stop Navigation and press ENTER Selecting a Go To Graphically A graphical Go To may be used to select one of three items from the map display an existing waypoint an on screen map item roads rivers cities navaids
81. ation on the top portion or a Map Page with data fields on the top of the display To show sonar or show data fields 1 Highlight either the Show Sonar or Show Numbers option and press ENTER The Map Page will now be split with sonar and depth information or data fields showing on the top e Size Split enables height adjustment of the Map Page sonar split screen You may adjust the size of the map sonar split window anywhere from 1 3 to 2 3 height from the top of the screen You must be showing sonar information to use this option To resize the Map Page sonar split screen 1 2 3 From the Map Page split screen press MENU Highlight Size Split and press ENTER Use the ARROW KEYPAD to move the vertical double arrow UP or DOWN until the desired horizontal height line shows then press ENTER e Set Up Map jumps to the Map tab of the Main Menu allowing you to configure the map display to your preferences including map detail map orientation automatic zoom and various map items and points The map set up option uses a file tab feature making it easier to organize the various settings for ease of use The following lists the settings available under each tab General Detail Orientation AutoZoom Source Basemap Data Card Maps Waypoints Waypoints Active Route Points Spot Soundings Tide Stations Services Navaids Symbol Set Text Size Light Sectors Nav Line Heading Line Bearing Line Course Line
82. aved tracks the message There are no saved Tracks to follow appears after you select Follow Track 59 Reference TracBack Navigation MOB Man OverBoard The MOB function allows you to quickly activate a course back to a location 4i Heim Next TOUR3 Dest TOUR1 TURH 0 0 111L DISTANCE TO NEXT POSITION im N 35 05 1 30 745 gt Go To Point Follow Route si Follow Track amp il rs Highlight Stop Navigation and press ENTER to stop navigating 56 e If the track log interval is set to the Time option the route may not follow your exact path keep the interval set to resolution for best performance e If the receiver is turned off or satellite coverage is lost during your trip the TracBack will draw a straight line between any point where coverage was lost and where it resumed e If your track logs changes in distance and direction are too complex 254 waypoints may not mark your path accurately The receiver then assigns the 254 waypoints to the most significant points of your track and simplifies segments with fewer changes in direction To stop TracBack navigation 1 Press the NAV key highlight Stop Navigation and press ENTER For more information on setting up the Track options and saved tracks see pages 75 76 MOB Key The GPSMAP 188 188C 238 Sounders Man OverBoard function MOB lets you simultaneous
83. aypoint page appears To accept the waypoint with the default name and symbol based on the map feature highlight OK and press ENTER To change the name symbol position or enter comments or depth highlight the appropriate field and press ENTER Make your changes and press ENTER After entering and confirming your ttt 45 changes use the ARROW KEYPAD to highlight OK and press ENTER Light Light Type Long Flashing Period 20 0s Flash Sequence 3 0s 10 75 18nm i International Designation J2384 Height above Datum 157 5 Height above Foundation 164 0 Using a map item to create a new waypoint From Current Position a Map H 36 22 544 H075 50 317 Reference Additional Options For Creating Waypoints Waypoints may also be created by manually entering position coordinates through the Points tab Creating Waypoints of the Main Menu This method can be useful for creating a waypoint at a specific latitude longitude position from a chart To create a new waypoint by entering location coordinates User Proximity Trip 004 a a How Weypelat Highlight the position 1 Press MENU twice to display the Main Menu Highlight the Points tab and press MENU 004 field and use the 2 Highlight Create Waypoint and press ENTER The New Waypoint page appears with the next Comment gt ARROW KEYPAD available waypoint
84. ce and bearing from the selected map location along with the station s position coordinates 047 5 Highlight Show Chart and press ENTER Mue M e To view the tide chart for another date Ponts 4170 O 417 0 1 With a chart displayed for the desired station highlight the On date field and press ENTER E You may move the l l pee cursor to see tide 2 Enter the desired date with the ARROW KEYPAD and press ENTER Tie heights at different 3 To return to the current date press MENU highlight Use Current Date and press ENTER Mae times Tide data will hart s details f her ti fday O E show in a black box To view a charts details for another time of day Set Lea 066 oodo when in cursor mode 1 With the desired chart displayed press MENU select Move Cursor and press ENTER E Hi 01 30 06 357 2 Press the ARROW KEYPAD LEFT or RIGHT to view the chart at a different time 3 To return to the current time press MENU highlight Stop Moving Cursor and press ENTER 23 Reference Main Menu Trip Tab Celestial Tab GPS Trip Odometer Stopped Time 34 17 57 Moving Average Moving Time k s t a Route Total Average Total Time 0 0 17 59 02 psc Maximum Speed Odometer Main Menu Trip Tab Card 1 5 34 Hiway Reset Max Speed a Reset Odometer comm Reset All
85. ce to view the Main Menu Use the ARROW KEYPAD to highlight the Points tab Delete Show Map nunca then highlight the desired waypoint from the User or Proximity lists 2 Press ENTER to display the Waypoint Edit page If the waypoint is located on a map feature or on a MapSource or BlueChart feature the Waypoint Edit page will NOT display the details of the other map features From the Waypoint Review and Edit pages you may change the name symbol comment position coordinates or depth for the selected waypoint Once the changes have been made highlight OK Waypoint Review Page or Next Waypoint Edit Page and press ENTER to save them H _35 06 738 _H075 58 722 77 To change the waypoint name 4 Waypoint Light Land Non Urban Chart L 1 Highlight the waypoint name field and press ENTER Waypoint Review Page ar fora waypoint located on 2 Use the ARROW KEYPAD to enter a new name and press ENTER when done multiple map features ee lee To change the waypoint symbol 930 3 095 1 Highlight the waypoint symbol field to the left of the waypoint name and press ENTER L Delete sow Men mam 2 Use the ARROW KEYPAD to select the desired symbol and press ENTER when done fs gr f in 48 fi J Mmapsourc e To change the comment position coordinates depth Reference 1 Highlight the desired field and press ENTER 2 Use the ARROW K
86. chwarzeck Namibia S American 69 Argentina Bolivia Brazil Chile Colombia Ecuador Guyana Paraguay Peru Venezuela Trin Tobago South Asia Singapore Southeast Base Porto Santo and Madiera Islands Southwest Base Faial Graciosa Pico Sao Jorge and Terceira Islands Modified Taiwan Timbalai 1948 Brunei and E Malaysia Sarawak and Sabah Tokyo Japan Korea Okinawa Tristan Astro 1968 Tristan da Cunha User defined custom datum Viti Levu 1916 Viti Levu Fiji Islands Wake Eniwetok Marshall World Geodetic System 72 World Geodetic System 84 Zanderij Surinam 105 Appendix F Messages The GPSMAP 188 188C 238 Sounder uses an on screen pop up mes sage system to alert you to unit operating characteristics Press the ENTER key to acknowledge and return to the page you were viewing Alarm Clock The alarm clock has sounded Alarm Voltage Set Too High Voltage range must be between 8 0 and 35 0 volts for the GPSMAP 188 238 GPSMAP 188C 10 0 to 35 0 volts Alarm Voltage Set Too Low Voltage range must be between 8 0 and 35 0 volts for the GPSMAP 188 238 GPSMAP 188C 10 0 to 35 0 volts Anchor Drag Alarm You have drifted out of the specified distance range Antenna Input Shorted To Ground Check antenna wiring connections or antenna replacement Approaching Waypoint You are a specified alarm distance from a destination waypoint Arrival At Waypoint You have arrived at the de
87. ct local time The following options are available Main Menu Time Tab Time Format choose from 12 or 24 hour military time format Pages Tab Time Zone choose your correct time zone to show correct local time or enter a UTC Offset The UTC also called Greenwich Time offset is how many hours you are ahead or behind the time line al See the table on page 110 for time offsets Tri et Time Zone Selectabl e Daylight Savings choose from Auto On or Off to adjust for daylight savings ES a o e centr a l Ds ut Pages Tab allows you to turn any of the main pages on off Jump To a particular page set which Fields ere page appears first when you power the unit on and enable disable the GPS Info on power up screen ei A 05 46 11 23 JUN 03 i Non Selecta To select deselect a main page on Selectable Data Field 1 Use the ARROW KEYPAD to highlight the box to the left of the page name Press ENTER to select deselect that page When a page is selected a Y appears in the box You must leave at least one page checked You may also press MENU and choose from one of the following and press ENTER Main Menu Time Tab e All Pages selects all pages e Chart Plotter Only selects Map page only Tite Map Page First Page Option Trip e e Navigation Tools Only selec
88. d NMEA page WARNING Enabling GPS Status or output at to be more than 2 second 1 Highlight NMEA In NMEA Out in the Serial Data Format field and press MENU Select NMEA Setup and press ENTER 2 To change the settings place the highlight over the desired field and press ENTER Make a selection and press ENTER again to accept the selection GPS EST nov Sonar GPSMAP 188 188C 238 Sounder NMEA Sentence Output NMEA version 2 3 compliant E coe Always transmitted GPRMC GPGGA GPGLL GPBWC GPVTG GPXTE GPRMB Main Menu Alarm Tab Rowe ul aa Switchable sentences GPGSA GPGSV GPWPL GPRTE System Submenu psc Battery cual Off 11 2 Garmin proprietary PGRME PGRMZ PGRMM Pages 6 DGPS tivo 0a Alarm Tab contains setting for the units alarms The Alarm tab is divided into three submenus Soeer e oT m System alarms Nav alarms and Sonar alarms System Tab Clock provides an alarm for the system clock Enter a time in the time field and turn the alarm on and off from the control field menu Remember to enter alarm times in the same time format UTC or local you re using for your system The unit must be on for the clock alarm to work 90 Battery sets an alarm to sound when the battery is reaching a critical state of discharge Reference DGPS sets an alarm to sound when the unit lose
89. d pointer depth automatically filled in 4 To change the name symbol or depth highlight the appropriate field and press ENTER Make your changes and press ENTER when done 5 When done move the field highlight back to the OK prompt and press ENTER 6 To return to the standard Sonar Page press QUIT or press MENU then highlight Hide Pointer and press ENTER e Show Hide Numbers toggles showing hiding the data fields on the sonar display e Change Numbers allows you to specify the type of data displayed in each data field For detailed instructions on changing the data fields on the Sonar Page see pages 26 28 Reference Sonar Page Options Depth Temp N 37 15 378 D g ae 011 14 8 60 87 HO76 10 147 Data Window e 0 Pointer me di Ni f a 40 Show Pointer option enabled To FIS PEO para paraa T 20 0 15 a S DEPTH WATER TEMPERATURE 31 1 60 5 Show Numbers option enabled 31 Reference Sonar Page Options Double Arrow Accept Resize Cancel Resize 50 50 HENO for Main Menu Size Split Menu Options 0 f f Fish Symbols Off All available information will be displayed mur Suspended targets displays as fish symbols SE Background information will be displayed ae a Same as above with the target depth attached Suspended targets display as fish symbols No q x background information will be disp
90. d submenu tab User Waypoint List The User submenu of the Points tab displays a master list of all waypoints currently stored in memory From the User list you may review edit rename or delete individual waypoints or delete all user waypoints The total number of stored and available waypoints is displayed at the bottom of the User page with the stored waypoints arranged in numerical alphabetical order To scroll through and review the waypoint list 1 With the ARROW KEYPAD highlight the Points tab on the main menu then highlight User 2 Use the ARROW KEYPAD to scroll through the list in the desired direction 3 Press ENTER to review the highlighted waypoint on the Waypoint Edit page see page 48 49 for detailed information on reviewing and editing waypoints 4 With Next highlighted press ENTER to return to the list The field highlight will automatically move to the next waypoint in the list The following options are available by pressing MENU while highlighting the Points tab the User submenu or one of the User waypoint names e Create Waypoint allows you to create a waypoint See pages 44 47 Delete Waypoint deletes selected waypoint from list and any route in which it was used e Delete By Symbol deletes waypoints that use the same symbol e Delete All deletes all waypoints from the unit A Once a waypoint is deleted from the list it cannot be recovered from the unit It is adv
91. e in binary executable form in the normal operation of the product Title ownership rights and intellectual property rights in and to the Software remain in Garmin You acknowledge that the Software is the property of Garmin and is protected under the United States of America copyright laws and international copyright treaties You further acknowledge that the structure organization and code of the Software are valuable trade secrets of Garmin and that the Software in source code form remains a valuable trade secret of Garmin You agree not to decompile disassemble modify reverse assemble reverse engineer or reduce to human readable form the Software or any part thereof or create any derivative works based on the Software You agree not to export or re export the Software to any country in violation of the export control laws of the United States of America Introduction Packing List GPSMAP 188 188C 238 Sounder Standard and Optional Transducers Unit part numbers 010 00268 01 010 00239 02 010 00239 03 and 010 00250 11 include a 200 50kHz 10 40 degree plastic depth and temp transom mount transducer For a complete list of optional transducers see page 96 For the most recent list of available accessories for your GPS unit current user manuals and software updates visit our web site at www garmin com vi Before installing and getting started with your unit please check to see that your package includes the follow
92. e Tide shows 24 hour tide chart with levels and times e Trip provides trip speeds odometers averages and trip timers e Celes shows sun moon time cycles and positions e Points allows you to create edit or delete waypoints See pages 50 52 e Route allows you to create edit activate or delete routes See pages 57 63 e Track lets you record a track define how it is recorded and displayed e DSC allows you to control the Digital Selective Calling DSC interface e Card interface control for saving waypoints routes and tracks to a data card e Time sets up time format time zones and daylight savings continued 6 Reference Main Menu GPS Tab EM Ready 3D Differential Tide Accuracy DOP a 7 Receiver Points Differential Accuracy Route Using WAAS Status DSC N Card DOP Sky View Differential Status Signal Strength Bars Main Menu GPS Tab dk Center dot 90 90 above the horizon Inner ring 45 above the horizon Outer ring Pa the horizor 68 e Pages enables main pages to be shut off turned on or jumped to e Map sets up Map Page features zooms and text size See pages 29 32 Temp sets up and shows the water temperature log e Hiway sets up Highway Page features See pages 42 43 e Sonar sets up Sonar Page features speeds and calibrations See pages 38 40 e Systm d
93. e features of the GPSMAP 188 188C 238 Sounder you will need to learn basic operations You can select and activate options and enter data to customize the GPSMAP 188 188C 238 Sounder to fit your requirements You can use the ENTER MARK key and ARROW KEYPAD to select options enter names and numbers in data fields and activate your selections To select and activate an optional feature 1 With any page displayed press the MENU key to pop up the options menu The options menu displasy a list of optional features which are specific for that particular page To select any feature on the list of options requires movement of the cursor which is identified as highlighting selecting or choosing an item in a list or a field box on a page Use the ARROW KEYPAD to move the cursor highlight up and down a list or up down and sideways on menus Once you have moved to the selection desired press the ENTER key to either activate the feature or the MENU key to pop up a sub menu or list of yet more feature options Just repeat this process to select an option from the list or press the QUIT key to return to the previous setting The QUIT key will move backwards through these steps or when pressed back to the main page you started on To select and activate a function button 1 When moving about a page with function buttons like the New Map Waypoint page you will observe functions such as Delete Show Map and OK
94. ear as they pass under your transducer Those items on the right side of the screen are closer to you than those on the left Along the right side of the screen is an adjustable scale which reflects the depth of the area being displayed If the unit does not detect a transducer attached to the unit a Sonar Turned Off message appears across the Sonar Page You may also show a sonar flasher and color bar on the right side The sonar display may also be set to show a split screen view of a zoomed portion of the sonar bottom lock display scaled from the bottom up or a combination of these options see pg 34 For example you may choose to show dual frequency at a 2X zoom Dual 2X on one half and normal range dual frequency Dual returns on the other half The current display mode will be displayed at the bottom of each sonar display On color models sonar returns show as red strongest then oranges strong yellows medium greens weaker and blues weakest On grayscale models stronger returns appear darker and weaker returns lighter The Fish Symbols option see page 38 allows you to view the actual sonar data a fish symbol or a combination of both Fish Symbols appear as green When the unit is set to Dual see page 35 the appearance of the fish symbols and simulated fish returns will change Fish symbols from the narrower beam 200kHz will be solid or narrow returns but the returns from the wider beam
95. ect the reference used in calculating heading information You can select from Auto Mag Var True Grid and User Mag Var Auto Mag Var provides magnetic north heading references which are automatically determined from your current position True provides headings based upon a true north reference Grid provides headings based on a grid north reference and is used in conjunction with the grid position formats described on page 73 User Mag Var allows you to specify the magnetic variation at your current position and provides magnetic north heading references based upon the variation you enter To enter a user defined magnetic variation 1 With the Heading field set to User Mag Var highlight the heading reference field immediately to the right and press ENTER Use the ARROW KEYPAD to enter the magnetic variation at your current position and press ENTER Distance Speed and Elevation lets you select the desired units of measure for distance speed and elevation readouts in Nautical nm kt ft Statute mi mh ft or Metric km kh m terms Depth lets you select the desired units of measure for depth in Feet tt Fathoms ta or Meters m Temperature lets you select the desired units of measure for temperature in Fahrenheit F or Celsius C Comm Communications Tab lets you control the input output format used when connecting Reference
96. ed to display additional data fields and change the actual size of the data displayed The GPSMAP 188 188C 238 Sounders Map Page provides access to functions and features relating to the Map Page and the layout options To select an option on the Map Page 1 Press MENU 2 Use the ARROW KEYPAD to highlight the desired option and press ENTER The available options on the Map Page are Full Screen Map Show Data Change Numbers Measure Distance Show Sonar Show Numbers Size Split Set Up Map and Turn Declutter On Turn Declutter Off Following are details on using each of these options Reference Map Page Options To FISH Map Page Options with Numbers shown 25 Reference e Full Screen Map Show Data toggles between a full screen map or a map with sonar information and or data fields on the top half of the display This allows for quick viewing of a full screen map Map Page Options e Change Numbers allows you to specify the type of data displayed in each data field used on the map display This option is available from any of the main pages To change a data field 1 From the menu use the ARROW KEYPAD to highlight the Change Numbers option and press ENTER 2 Move the field highlight to the data field you want to change and press ENTER 3 Move up or down on the list using the ARROW KEYPAD to highlight the data you want to display and press ENTER To exit press QUIT
97. efines beeper and simulator restores setup and displays software version e Units defines position format datum heading and distance and speed units e Comm interface settings for use with a PC or second device e Alarm sets up alarms for anchor drag arrival off course and clock GPS Tab provides a visual reference of satellite acquisition receiver status and accuracy The status information will give you an idea of what the receiver is doing at any given moment The sky view and signal strength bars give you an indication of what satellites are visible to the receiver and whether or not they are being tracked The signal strength is shown on a bar graph for each satellite with the satel lite number below As the receiver locks onto satellites a signal strength bar appears for each satellite in view The progress of satellite acquisition is shown in three stages e No signal strength bars the receiver is looking for the satellites indicated e Light White signal strength bars the receiver has found the satellite s and is collecting data e Dark Green signal strength bars the receiver has collected the necessary data and the satellite s are ready for use As soon as the GPSMAP 188 188C 238 Sounder has collected the necessary data from the best satellites in view to calculate a fix the status field will indicate a 2D or 3D status The unit will then update the position date and time You can use the sky view to
98. en A Color Bar see also page 39 appears on the right side of the screen as you adjust this setting The higher the percentage the darker the return appears This setting does not increase decrease the unit Gain Whiteline controls how the unit displays information about the bottom type hard or soft With the Whiteline Off the bottom return displayss as red and contains no information on bottom hardness With Whiteline set at Normal or 1 100 the bottom return becomes white with a red line indicating where the water meets the bottom To turn the Whiteline Off press the ARROW KEYPAD DOWN until the setting bar is all the way at the bottom of the range and reads Off See page 114 for more detail on this feature Frequency allows you to choose a transducer frequency Frequency refers to the pitch of the sound that the transducer sends and receives You may choose 200kHz 50kHZ or Dual frequency Reference Sonar Page Adjustment Menu View Adjustment Gain Adjustment Target Level Normal eal Target Level Adjustment Whiteline Adjustment Frequency Adjustment 35 Y Depth Line 4 f t 60 0 Depth Line On Depth Line Adjustment 36 Reference Sonar Page Options Noise Reject 60 1 Noise Reject Adjustment ea Adjustments Show Pointer Show Numbers Page Defaults j for Main
99. er DGPS allows DGPS input using a standard RTCM format without any output capabilities e NMEA In NMEA Out supports the input output of standard NMEA 0183 data and sonar NMEA Tro a input support for the DPT MTW and VHW sentences You may also adjust the NMEA output Points Transfer Mode Tak When transferring data RTCM In NMEA Out allows Differential GPS DGPS input using a standard RTCM format and ose O T E ar E also provides NMFA 0183 outpu Time Request Almanac i p put Pases Request Proximity be sure to always set one to e None provides no interfacing capabilities Svea eens Host and use the other unit Temp To select an input output format ma Roesesi Haypoints e a Hd ne Units imi e desired data 1 Select the desired Port tab then highlight the Serial Data Format field and press ENTER E E ire Alarm 2 Use the ARROW KEYPAD elect the desired setting and press ENTER Send Tracks 87 Reference To select a transfer mode 1 Use the ARROW KEYPAD to select Garmin Data Transfer in the Serial Data Format field Main Menu Comm tab 2 Highlight the Transfer Mode field and press ENTER 3 Use the ARROW KEYPAD to select the desired setting and press ENTER You may also adjust the NMEA output to enable disable certain sentences and adjust the number of Lat Lon output precision digits You must have one of the ports set to NMEA In NMEA Out to use Port 1 Port 2 Trip Se
100. er conditions Appendix J Specifications 117 Appendix K Index A CCE EE TE TETE TEENETE TE vi o fei Sit n e a Bisel aE E a 69 A T 91 CCU ACY CCIE eo ra ica teagan re AEE 32 REY koute PACE 5 ils as duis chet 19 43 64 Adjustment MENUS roads pumas 15 33 36 IANS Gere Secu etn ute ERSE 90 91 Anc DC eses partes 91 AN a prod caked 2 id 91 ARROW READ ee ea mt E da Sede l PUNO MOOI E E EE E E ET 30 B Background Color Sonar Page 39 A A amp Bmw eee neues s 6 Battere OTM stats an givin Be Ritesh Ren cw 91 Dea GING enie ae asis 31 Bearing Distance Measuring 28 Deeper tos aval dde yee eer oF oad 84 118 C Calibrate Water Speed reactor enel 40 A A tots uade utes es A vii CAND D ns 3 nen raat el ht ascot a abaiet 82 COMMONS S 1c 6 debs AG pee gh dng OA eee iii Celestial Page Sen eenei euena 4 Changing Data Fields 19 26 28 37 ICANN Gah dro date Us EEEE 101 Clearing Te acopio pb bl 54 16 EA tra ani iuscilaieen Sancta 90 COlOTDAP sm iguntchng eeri Ga S N 39 COMPASS PARC un So he ewe E 16 41 COUE LINE A ON 31 Course Up Map Orientation 30 Cursor Movement ess oca s 9 22 24 D Data Card IMiornah on ono tanked osseous 30 82 Palec ard stos asas 100 Data EMU count anne easter aes 3 Data Held cociin rra 19 26 27 O aad EE eae 87 90 A Reem rer er mara 83 Patim AA a 86 104 105 Daylight Savings Time saiast roei adai 83 Desp Waters ce
101. er the Units tab of the GPSMAP 188 188C 238 Sounder match that of the map or chart This information should be displayed somewhere on the map or chart If the information is not present contact the map or chart maker to determine what position format datum heading and units of measure are being used for the map or chart WARNING If User Mag Var is selected you must periodically update the magnetic variation as your position changes Using this setting the unit will not automati cally calculate and update the magnetic variation at your present position Failure to update this setting may result in substantial differences between the information displayed on your unit and external references such as a magnetic compass 86 Map Datum allows you to manually select the datum reference used to determine a given posi tion The default setting is WGS 84 The unit will automatically choose the best datum depending upon your chosen position format Datums are used to describe geographic positions for surveying mapping and navigation and are not actual maps built in the unit Although over 100 datums are available as listed on pages 104 105 you should only change the datum if you are using a map or chart that specifies a different datum WARNING Selecting the wrong map datum can result in substantial position errors When in doubt use the default WGS 84 datum for best overall performance Heading lets you sel
102. esent position not the map position 3 Use the ARROW KEYPAD to highlight the waypoint symbol field to the left of the waypoint name number 4 Press ENTER to access the symbol page 5 Use the ARROW KEYPAD to select the Shipwreck symbol and press ENTER to confirm 6 Highlight OK and ENTER again to finish Getting Started Reviewing Creating Map Waypoints At TOURA Da Min 40 QO so s A The waypoint will highlight PN 3459255 when the cursor is moved over it N 35 02 887 Depth W076 26 165 From Current Position 1 5 201 Delete Show Map MICA Toure at 1 DTUWE dl pa 7 H_35 01 287 H076 25 085 Creating a new waypoint with the map cursor 13 Getting Started Sonar Page Data Fields Adjustment Ww Menu Simulated Fish Arch Depth Bottom Scale Whiteline iy Thermocline any Sonar Page Outer edge Center beam beam returns return Frequency Flasher mode 14 Dual frequency returns Sonar Page The Sonar Page is where your GPSMAP 188 188C 238 Sounder becomes a powerful fishfinder flasher The top left of the screen contains data fields while the Adjustment Bar above the data fields allows direct access to the settings most commonly changed while using the Sonar Page The middle of the page contains a right to left moving sonar image of the water beneath your boat Items app
103. est TOURS TO COURSE ee te Active Route Page 43 Reference Creating and Using Waypoints The Garmin GPSMAP 188 188C 238 Sounder stores up to 3000 alphanumeric waypoints with a Creating Waypoints user defined icon comments and depth available for each waypoint Waypoints can be created using three basic methods ENTER MARK key used primarily for marking your present position the ENTER MARK key also provides options that allow you to select a map position or map item from the map display Y TH pe EN Mayport e Graphically allows you to define a new waypoint position from the map display using the ARROW KEYPAD For creating underwater waypoints see page 37 a GSS iSay toa Highlight OK and press W094 47 928 s ENTER to use the default From Current Position name and symbol loo 146 Marking Your Present Position The Garmin GPSMAP 188 188C 238 Sounders ENTER MARK key lets you quickly capture your D present position or cursor or map item position in order to create a new waypoint You must have a A in valid position 2D or 3D fix to mark your present position This can be determined by looking at the GPS tab on the Main Menu To mark your present position 1 Press and hold the ENTER MARK key until the New Waypoint window appears then release it You will see a default three digit name and symbol for the new waypoint e Text Entry allows you to en
104. estination point the active point is marked with an arrow icon As you navigate a route the point list automatically updates to indicate the next active point first The Active Route and Route Review pages share many of the same features and options Active Route Page Options The following options are available by pressing MENU on the Active Route page e Hide Show Numbers see page 26 and 28 for instructions e Change Numbers see pages 26 28 for instructions e Edit on Map see pages 61 62 for instructions e Add Before see page 62 for instructions e Remove see page 62 for instructions e Invert reverses the direction of the route e Re evaluate recalculates and reactivates the current route data Selects the route leg closest to your current position as the active leg the active leg defines the current from and to waypoints To invert an active route 1 From the Active Route page press MENU 2 Using the ARROW KEYPAD highlight Invert and press ENTER to reverse the route To re evaluate an active route 1 From the Active Route page press MENU 2 Using the ARROW KEYPAD highlight Re evaluate and press ENTER MARK to recalculate Find Key Reference The FIND key allows you to search the units for user waypoints map items and any optional BlueChart or MapSource information loaded on a data card Press the FIND key to search for items Find Key from your current location b
105. etup TD field the active waypoint information will reflect those changes Since the GPSMAP unit does not rely on the LORAN signal for navigation it can reference a different GRI chain and or secondary stations and still navigate to the location stored in memory 102 To select the Loran TD position format 1 On the Units tab of the Main Menu press MENU highlight Loran TD On and press ENTER OR 1 On the Units tab of the Main Menu highlight the Position Format field and press ENTER 2 Highlight Loran TD and press ENTER The LORAN TD Setup window contains the fields to select the Loran GRI Chain Number Primary and Secondary Stations and TD Offsets To setup Loran TD from the Main Menu 1 Highlight the Setup button next to Loran TD in the Position Format field and press ENTER 2 To change the settings of any of the five fields highlight the field press ENTER select enter the desired setting and press ENTER 3 Press QUIT to return to the Main Menu If the active GRI Chain secondary stations or offsets have been changed since the waypoint was created the waypoint will now reference the active GRI chain and secondary stations and adjust the TD coordinates accordingly Remember that the GPS is not relying on the LORAN signal for navigation and actually converts the TD coordinate to a useful LAT LON coordinate in the background before storin
106. etup tab 3 Highlight which simulation you wish to run and press ENTER MARK Using the NAV Button The receiver of a Distress Call or Position Report can quickly navigate to the caller using the NAV button Once the call is logged press the NAV button and select to Go To the MMSI number or the Name of the caller Card Tab interface control for saving waypoints routes and tracks to a data card When data is saved to a data card it may be exchanged with other compatible units and Garmin s MapSource PC program To transfer data to from a data card 1 Insert the data card If there is already user data on the card highlight User Card and press ENTER MARK From the Card tab select the checkbox next to each type of item you want to transfer You may also press MENU and choose to Select All or Clear All 2 Highlight Save To Card and press ENTER MARK to save the selected items to the data card 3 If transferring data from the card to the unit highlight Merge From Card and press ENTER MARK to combine the selected items with those of your GPS highlight Replace From Card and press ENTER MARK to overwrite all selected items on your GPS 4 A Transfer Complete message appears once the data has been transfered Press ENTER MARK Time Tab displays the current time and date allows you to adjust the 12 or 24 hour time format Reference enter a time zone and adjust for daylight savings to show corre
107. f the page displays the tide station being referenced below that the date The top of the chart shows a 24 hour block of local time LCL for your position with the reported station time STA appearing at the bottom Daylight light yellow bar and nighttime dark blue bar show across the time scale with the time progressing from left to right Local time scales and sunrise sunset info may not be available for a few stations The solid light vertical lines are in 4 hour increments and the light dotted vertical lines are in 1 hour increments A solid vertical line with the current time box at the top will indicate the time of day when using current date and will intersect the tide graph to show their relation Current Time Bar Max Level Current Tide Height Bar High Tide Curve Low Tide Curve Min Level Day Station Time Night The tide curve shows as a shaded area with higher tides being taller and lower tides shorter The solid horizontal line with the current tide box on the left indicates the current tide height The figure to the left of the line will show the current tide level in feet The Mean Lower Low Water MLLW appears as a solid horizontal line near the bottom of the chart This line will only appear if the tide ranges to the zero value or below The numbers directly below above LCL and STA indicate the maximum minimum levels respectively The four data fields below the chart indicate event times and levels at w
108. formation e Position Format is used to change the coordinate system in which a given position reading is dis played You should only change the position format if you are using a map or chart that specifies a different position format or wish to use a format you are familiar with The default format is latitude and longitude in degrees minutes and thousandths of a minute hddd mm mmm The following additional formats are available e hddd ddddd latitude longitude in decimal degrees only Tue hdd mm mm e hddd mm s s latitude longitude in degrees minutes seconds Ponts WGS 84 e UTM UBS Universal Transverse Mercator Universal Polar Stereographic grids Trask Suto Mag Var 003E E i ae i o Main Menu Units Tab e British Grid Dutch Grid e Finnish KKJ27 German Grid Tme Nautical om kt ft e India Zones e Irish Grid e Loran TD e Maidenhead erry e MGRS e New Zealand e Qatar Grid e RT90 ae O CPS Swedish Grid e Swiss Grid e Taiwan Grid e User Grid ma e W Malayan RSO For additional information on Loran TD setup see pages 102 103 85 Reference Main Menu Units Tab The Units tab settings will affect how navigation informa tion is displayed on the GPSMAP 188 188C 238 Sounder When in doubt seek assistance If you are using a map or chart in conjunction with your GPS make sure the settings und
109. from Normal Normal Navigation or Simulator For practice ONLY Sounder Only or GPS Only Set Position allows to set your location while in simulator mode See page 11 starting with step 2 for additional instructions Track Control Auto Track will steer to the current navigation point User Track allows you to enter a heading in the Track field Track lets you enter a heading Reference Speed lets you enter a speed Transducer lets you simulate using a Depth Only Temp Only or Temp Speed transducer Main Menu System Ta b These fields will only appear when the unit is in Simulator Mode Units Tab e System Information displays the units software basemap version and electronic serial number GPS Beeper Press MENU for the following options Tie Key and Alarm eles Speed Filter e Defaults restores settings on Systm page to default values Pont Auto oure Language e All Unit Defaults restores all settings to Garmin s original setup values for the entire unit vee English e Main Menu T Siete Units Tab defines settings for Position Format Map Datum Heading Distance Speed Elevation AE a 4 Pages Simulator Simulator Mode Map Track Control Track Depth and Temperature tiny Auto Track 357 Sonar Speed gt Transducer The following settings are available emo 0 0 Temp_ cuts System In
110. g the waypoint to memory or using it for navigation Because of this the unit can navigate to a TD coordinate anywhere in the world For more information on Loran TDs you may download Garmins Loran TD Position Format Handbook from the Garmin web site at http Avww garmin com support userManual html Appendix D Loran TD GPS Position Format Loran TD Hap Datum WGS 84 Loran TD Setup DS Loran Chain Number Loran TD Setup Window 103 Appendix E Map Datum The GPSMAP s built in world wide database includes coverage down to 20 n m 30 km Note that the GPSMAP 188 188C 238 Sounder basemap is valid to 75 north and 60 south of latitude The User datum is based on a WGS 84 Local datum and is an advanced feature for unlisted or custom datums To learn more check your local library or on the world wide web for educational materials on datums and coordinate systems 104 Adindan Afgooye AIN EL ABD 70 Anna Ast 65 ARC 1950 ARC 1960 Ascnsn Isld 58 Astro B4 Sorol Astro Bcn E Astro Dos 71 4 Astr Stn 52 Aus Geod 66 Aus Geod 84 Austria Bellevue IGN Bermuda 1957 Bogata Observ Campo Inchspe Canton Ast 66 Cape Cape Canavrl Carthage CH 1903 Chatham 1971 Adindan Ethiopia Mali Senegal Sudan Afgooye Somalia AIN EL ANBD 1970 Bahrain Island Saudi Arabia Anna Astro 65 Cocos I ARC 1950 Botsw
111. g with any significant objects lying on the bottom The unit uses the whiteline function to make this bottom layer information easier to distinguish With the GPSMAP 188 188C 238 active whiteline helps accentuate where strong signals are located which make bottom type determination easier The example to the right shows the bottom return with and without the whiteline activated Hard Bottom Whiteline Soft Bottom Whiteline Turned Off Example 4 Thermoclines Appendix One of the unique features offered by Garmin is See Thru technology See Thru technology allows the GPSMAP 188 188C 238 to see through thermoclines and helps locate fish where they live Understanding the Chart and fish love thermoclines A rough definition of a thermocline is a break in water where the water temperature changes faster than the water above it Thermoclines are shown as the weakest colors see pg 14 Thermocline 115 Appendix J Physical Specifications Size 188 6 2 H x 6 3 W x 2 6 D 15 8cm x 16 0cm x 6 6cm Specifications 188C 6 2 H x 6 3 W x 3 7 D 15 8 cm x 16 0 cm x 9 4 cm 238 12 Hx C1 W x 2 6 D 19 1 19 6 6 6 em Weight 188 1 7 lbs 77Kg 188C 2 6 lbs 1 18 kg 238 2 lbs 91Kg Display 188 5 5 diagonal 14 0cm 238 7 1 diagonal 18 00cm high contrast 10 level grayscale FSTN LCD with adjustable backlighting 360 x 240 pixels 188C 5 0 diagonal 12 7 cm high contrast 16 color TFT disp
112. ge 95 To activate the NMEA data 1 On either port of the Comm Tab highlight the Serial Data Format field and press ENTER 2 Select NMEA In NMEA Out and press ENTER Reference Main Menu Comm Tab GPS Port 1 Port 2 Serial Data Format Celes NMEA In NMEA Out Route gt Track 4800 Map Defaults Temp m for Main Menu Activating NMEA data 89 Reference Advanced NMEA Output Setup The GPSMAP 188 188C 238 Sounder NMEA data transmission can be customized to change the Main Menu Comm Tab precision of the Lat Lon minutes set up the waypoint IDs and keep the output rate at two seconds If Alarm Tab the unit is set up to output all of the available NMEA sentences the output rate may exceed two sec O onds The Advanced NMEA Output Setup page allows you to turn on off the GPS status GSA GSV Tite ae es Waypoint Route WPL RTE and the Garmin Proprietary sentences See page 95 for more information propi on wiring and NMEA data Tr CESA ESV WPLRTD O TM off Lat Lon Minutes Precision allows you to adjust the number of digits to the right of the decimal US Advanced NMEA point for transmission of NMEA Output either 2 3 or 4 digits The Waypoint ID setting lets you Mc Lat Lon Minutes Precision Se tup P age l Hi XX XXXX 4 digits choose to output the waypoint identifiers as names or numbers St Names To set up the Advance
113. ge of the built in database or the optional MapSource or BlueChart data in use the range field displays overzoom to indicate that you should exercise extreme caution using the map data Press the ZOOM IN key to zoom into the 2 nm scale Now that you ve zoomed in a little closer to your route you can pan ahead of your vessel with the cursor to review map items and create on screen waypoints Move the cursor to highlight the TOUR3 waypoint just use the ARROW KEYPAD to move the cursor as close as possible to the waypoint To move the cursor in small increments try a series of short key presses Once the cursor is over the TOUR3 waypoint you ll notice that the waypoint symbol and name are highlighted The data field at the top of the page displays the waypoint name the range and bearing from your present position and the coordinates for the waypoint To review the waypoint page for a selected waypoint 1 With the waypoint highlighted press ENTER 2 To return to the Map Page press ENTER again or press QUIT The cursor can also be used to create new waypoints right from the map display To create a new waypoint using the cursor 1 Use the ARROW KEYPAD to move the cursor as close as possible to the following position N35 02 914 W 076 26 152 Use the data window to verity the cursor position 2 Press and release the ENTER MARK key to capture the cursor position Do not hold the button down as doing so will mark your pr
114. hat you turn the antenna cable con nector 1 4 turn clockwise to lock the cable into place Mounting the GPSMAP 188 188C 238 Sounder Unit The GPSMAP 188 188C 238 Sounders compact waterproof case is suitable for mounting in exposed locations or at the nav station The unit comes with a gimbal bracket that can be used for surface or overhead mounting When choosing a location for the display unit make sure you consider the following conditions There should be at least a 3 5 cm clearance behind the case to allow connection of the antenna external antenna only power data cables The mounting surface should be heavy enough to support the unit and protect it from excessive vibration and shock For GPSMAP 188 with a built in internal bail mount antenna it should be mounted in a location that has the clearest most unobstructed view of the sky in all directions to ensure the best reception Avoid mounting the unit where it will be blocked by the boats superstructure a radar arch or mast NOTE The temperature range for the GPSMAP 188 188C 238 Sounder is 5 F to 158 F 15 C to 70 C Extended exposure to temperatures exceeding this range in storage or operating conditions may cause failure of the LCD screen This type of failure and related consequences are NOT covered by the manufacturer s limited warranty To install the GPSMAP 188 188C 238 Sounder unit 1 Place the mounting bracket in the desired location 7 Pe On Mar
115. he Adjustment Menu allows direct access to the settings and features most commonly used on the Sonar Page The currently selected option appears in the upper left of the display To select an adjustment option from the Sonar Page 1 Press the ARROW KEYPAD LEFT RIGHT to scroll through the options in the upper left of the display then press ENTER to access the desired option s adjustment window Sr uF 200k meer Sonar Page OR 1 Press MENU highlight Adjustments and press ENTER A list of all options and their current set tings appears with the selected option highlighted Press UP DOWN on the ARROW KEYPAD to select the desired option and press ENTER to access the adjustment window Press MENU and To easily exit any of the adjustment options press the QUIT key highlight Adjustments to see a list of all options and their current settings To change an Adjustment Menu setting 1 Select an adjustment option to change using one of the two methods described above The adjust ment window will automatically timeout and disappear when idle for 20 seconds 2 Press the ARROW KEYPAD UP DOWN to place the pointer or setting bar at the desired setting range or percentage Off 1 100 3 Press ENTER or QUIT to exit the adjustment window or press LEFT RIGHT on the ARROW KEYPAD to view another adjustment window 33 34 Reference Sonar Page Adjustment Menu Men Ki 0 4X Split Zo
116. he bottom directly below the transducer The first strong return sets the bottom level Weaker secondary returns provide the detailed data Stronger returns displays in darker colors black being the strongest return In Example 3 page 113 you can see that the branches and the fish where the strongest secondary returns are indicated in black on the display That is brief description of how your GPSMAP 188 188C 238 Sounder operates Lets take a look at how this data can help you to improve your fishing Appendix Understanding Sonar 1 q Auto Range Zoom Gain 0 24 1 PN l l p k This fish is currently in a dead zone and is not detected by the sonar The fish is in the coverage area of the transducer but remember the first strong return sets the bottom level The fish will eventually be detected when the first strong return sets the bottom level below the fish 111 Appendix l Transducer Coverage 200kHz 10 Cone Angle 50kHz 40 Cone Angle 72 coverage at 30 SS e 20 coverage at 30 112 Transducer Coverage The area covered by the transmitted sound waves is determined by the cone angle of the transducer and the water depth Cone angles may vary between different types of transducers For example a 50kHz frequency may provide a wide 40 cone angle with a coverage width that is approximately 2 3 of the water depth As shown in the sidebar the 40 cone angle 50kHz f
117. he graph On both graphs it appears the fish and tree are side by side as shown in Example 1 However when we look at Example 2 we see that the fish can be several feet from the tree It is important to remember that the sonar cannot determine where in the coverage area the tree or fish are only that the returns were received at the indicated depths in the same time frame Enlarged i Enlarged Transducer E Transducer View View Branches ja Branches A Remember that the sonar displays a 2 D picture of the underwater environment The fish and tree could be located anywhere in the coverage area at that time 113 Example 1 Example 2 Appendix Understanding the Chart Whiteline can also help you to determine the type of bottom structure that is displayed on the chart By determining the hardness of the structure you can make a better informed decision on the type of structure Structure is hard probably a rock or stump Structure is soft probably a mud pile 114 Whiteline The GPSMAP 188 188C 238 can help you to determine if the bottom is hard or soft When the sonar soundwaves are reflected back by the bottom a hard bottom will return a stronger signal than a soft bottom A thin whiteline indicates a softer bottom while a thick whiteline indicates a harder bot tom Normally a red dark line is used to show the point where water meets the bottom This line will follow the bottom contour alon
118. he mounting bracket as a template outline the center relief area and mark the location of the four screw holes centers on your bulkhead or other surface figure 1 3 Cut the relief hole from the panel and drill the four 0 20 5 08 mm screw holes You may want to cut slightly inside the indicated line and then sand or file the panel as needed to obtain the best fit 4 Place the GPSMAP 188 238 into the relief hole until it rests flush against the mounting surface 5 Secure the unit to the mounting surface using the M5 screws Do not try to force the screws deeper into the holes than the holes will allow For thick mounting surfaces insert the M5 screws directly thru the drilled holes figure 2 For thin panels place the mounting bracket on the back side of the panel for more support Connect the power data and antenna cables Connecting the Power Data Cable The power data cable connects the GPSMAP 188 238 Sounder to a 8 35 GPSMAP 188C 10 35 volt DC system and provides interface capabilities for connecting external devices The color code in the diagram below indicates the appropriate harness connections Pin 11 Yellow Alarm Pin 14 Green TX COM 2 Pin 15 Red DC Positive Pin 13 White RX COM 2 Pin 18 Black Ground Pin 17 Blue TX COM 1 Pin 16 Brown RX COM 1 Cable View Note During a typical installation only the Red and Black wires are used RED VDC 1 H To Transduce
119. hich the tide changes starting in the upper left field going downward then to the upper right and down again To view the chart for a tide station nearest to your current location Reference 1 From the Tide tab highlight the At field and press ENTER 2 Press MENU select Nearest to Boat and press ENTER Main Menu Tide Tab 3 Select the desired station from the list and press ENTER 4 Highlight Show Chart or OK and press ENTER If you are not within this range you will see a message None Found Use the Nearest To Other aban hea Find option and select a location closer to a tide station Nearest To Destination To find the chart for a tide station nearest to a location on the map ia oy Tide Station List Menu Options 1 On the Map Page press FIND then select Tide Stations and press ENTER Press MENU on the Tide Station list to access additional 2 Press MENU select Nearest To Other and press ENTER search options The Nearest to Next and Nearest to Desti 3 Use the ARROW KEYPAD and the ZOOM IN ZOOM OUT keys to select a position on the map nation options are enabled when you are actively going to a and press ENTER destination following a Go To or a Route for example You must select a location within 100 nm of a tide station 4 Highlight the desired station from the list and press ENTER to view the information page for that chart this shows the station s distan
120. host of other chart features It also plots your track and displays any routes and waypoints you create An on screen cursor lets you pan and scroll to other map areas determine the distance and bearing to a position and perform various route and waypoint functions The ZOOM IN and ZOOM OUT keys combined with the ARROW KEYPAD let you select zoom ranges and move the cursor The map scale displays at the bottom right of the page Data Fields SPEED pap Pye per DISTANCE TO NEXT POSITION DT 4 gt N 2552 607 gt W080 26 309 6tt depth E HN 25 40 256 HO080 07 841 qu A i Ss a j a A e J DY y SN A Two basic map operating modes position mode and cursor mode determine what cartography is shown on the map display Position mode pans the cartography to keep the present position marker Cursor triangle within the display area while cursor mode pans the cartography to keep the cursor arrow Land A hic AN ql pointer within the display area The GPSMAP system will always power up in position mode with S H waer Your vessel centered on the map display When the ARROW KEYPAD is pressed the GPSMAP 188 PRE 188C 238 Sounder will enter cursor mode Navaids a H Map Scale When the cursor is active an additional data window appears below the data fields to indicate the position range and bearing to the cursor or a selected waypoint or map item Map Page shown in cursor mode and using
121. ice contact your local Garmin authorized dealer Or call Garmin Customer Ser vice at one of the numbers shown below for shipping instructions and an RMA tracking number The unit should be securely packed with the tracking number clearly written on the outside of the package The unit should then be sent freight charges prepaid to any Garmin warranty service station A copy of the original sales receipt is required as the proof of purchase for warranty repairs Products sold through online auctions are not eligible for rebates or other special offers from Garmin Online auction confirmations are not accepted for warranty verification To obtain warranty service an original or copy of the sales receipt from the original retailer is required Garmin will not replace missing components from any package purchased through an online auction Garmin International Inc Garmin Europe Ltd 1200 East 151st Street Unit 4 The Quadrangle Abbey Park Industrial Estate Olathe Kansas 66062 U S A Romsey SO51 9DL U K Phone 913 397 8200 Phone 44 1794 519944 USA Only 800 800 1020 FAX 44 1794 519222 FAX 913 397 0836 Software License Agreement Introduction BY USING THE GPSMAP 188 188C 238 YOU AGREE TO BE BOUND BY THE TERMS AND CON DITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT PLEASE READ THIS AGREE Software License Agreement MENT CAREFULLY Garmin grants you a limited license to use the software embedded in this device the Softwar
122. ight mineral oil Strip Caulk or RTV Sealer Hull Surface Testing the Location 98 To avoid drilling a hole to mount a thru hull transducer a transom mount transducer may be used with epoxy inside a boat shoot thru hull installation For a transducer to be mounted inside the hull shoot thru not thru hull the boat must be fiberglass no core contact your boat manufacturer if you are unsure Test by placing a small amount of water inside the hull placing the transducer on top of the water then verifying the accuracy of the locators versus the current water depth If they are the same use slow curing epoxy non silicone based to affix the transducer to the inside of the hull Shoot Thru Hull Installation The transducer is designed to be mounted inside a fiberglass hull The standard plastic transom mount transducer can also be mounted in this fashion using this method If using a temperature sens ing transducer the temperature displayed will reflect the hull temperature Selecting a location 1 The location has to be solid fiberglass devoid of any air bubbles laminates fillers or dead air space The location needs to be in an area of clean water at all speeds Do not place the transducer over any strakes or behind any obstruction on the hull that would create turbulence at speed A NOTE Many modern hulls have a prelocated pocket for shoot thru hull transducer installation If you are unsure if your hull is equi
123. ill now cycle through off the user defined and maximum backlight levels by repeatedly pressing the POWER key You may also adjust the screen contrast GPSMAP 188 238 monochrome only Getti ng Started To adjust the screen contrast i 1 Press POWER and the Light and Contrast window appears Simulator Mode 2 To decrease or increase the screen contrast press left or right on the ARROW KEYPAD 3 Press the ENTER MARK key to finish Each page of the GPSMAP 188 188C 238 Sounders system also features an options page which gives you access to other functions and features that relate to the specific page you are viewing To get a feel for how the option pages work lets put the GPSMAP 188 188C 238 Sounder into simulator mode To activate the simulator mode 1 Press the MENU key twice for the Main Menu Press Up or Down on the ARROW KEYPAD until Use the ARROW KEYPAD to move the backlighting slider the GPS tab is highlighted then press the MENU key once UP for brighter or DOWN for dimmer backlighting Mono 2 Use the UP or DOWN arrow of the ARROW KEYPAD to highlight the Start Simulator option and a O press ENTER Choose No to the retail demonstration and press the ENTER key hala 3 Press the ENTER key to confirm the Running Simulator message that appears at the bottom of the mea 2 0 display Simulating appears at the top of the
124. ing at 1 at the end of the route name To delete all routes 1 From the Route List press MENU 2 Highlight Delete All and press ENTER With OK highlighted press ENTER again to confirm 59 48 Available 2 Used Reference Route Review Page Once you have created a route the Route Review page allows you to edit a selected route Route Review Page To access the Route Review page 1 Press MENU twice and highlight the Route tab TON 2 Highlight the name of the route you wish to review and press ENTER TOURS CN a The Route Review page also allows you to enter a 15 character name for any listed route By 2g Ts default the name includes the first and last waypoints in the route 15 4 398 Data Fields To enter a custom route name EES a 1 From the Route Review page highlight the name field and press ENTER to begin editing aetna a enon 2 Use the ARROW KEYPAD to enter the desired name and press ENTER when finished pee ean nto Once you are on the Route Review page you may review the route points waypoints or map Data Totals items one at a time from the list To review individual route points 1 Highlight the desired point and press ENTER 2 On the Point Review window you may choose Next highlight the next point on the route list Show Map show the point on a map window or Delete permanently delete the waypoint from the
125. ing interference that may cause undesired operation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help The GPSMAP 188 188C 238 does not contain any user serviceable parts Repairs should only be made by an authorized Garmin service center Unauthorized repairs or modifications could result in permanent damage to the equipment and void your warranty and your authority to operate this device under Part 15 regulations Introduction Warnings and Cautions MAP DATA INFORMATION One of the goals of Garmin is to provide customers with the most complete and accurate cartography that is available to us at a reasonable cost We use a combination of governmental and private data sources which we identify as
126. ing items If any parts are missing please contact your Garmin dealer immediately Standard Package GPSMAP 188 188C 238 Sounder Unit GA 29 External Antenna and 30 cable Gimbal Mount and Knobs Power Data Cable Owners Manual Quick Reference Card Protective Cover Optional Accessories US A C PC Adapter EURO A C PC Adapter Cigarette Lighter Adapter BlueChart Marine Data Cards MapSource CDs USB Data Card Programmer and Data Cards USB Data Card Programmer GBR21 Beacon Receiver for differential corrections GA 22 H Field Antenna 2nd Mounting Station Marine Swivel Mount 1 RAM Mount GPSMAP 188 with external antenna only Designed for detailed electronic charting capability the Garmin GPSMAP 188 188C 238 Sounder is Introduction a powerful navigation device that can give you the information you need Precision Performance Ca pabilities 188C High contrast 16 color LCD screen with backlighting 188 238 High contrast ten level gray LCD screen with backlighting 12 chamnel parallel receiver tracks and uses up to 12 satellites for fast accurate positioning WAAS Capable receive signals from the additional set of WAAS Wide Area Augmentation System satellites to give you better accuracy Differential Ready just add an optional Garmin beacon receiver for better than 5 meter accu racy Fully gasketed high impact plastic alloy case waterproof to IEC 529 IPX7 Advanced Navigating and Plotting 3000 alpha
127. ints and map items allowing you to E review details about a selected position directly from the map display J To select an on screen waypoint or map item with the cursor Es 1 Use the ARROW KEYPAD to move the cursor to the desired waypoint or map item If there are sr several items grouped closely together zoom IN closer for a better view 2 When a waypoint or map item is selected it is highlighted on the screen with the name and posi tion displayed SPEED _ par pr Additional information To view additional details about an on screen waypoint or map item A a tabs 1 With the desired item highlighted press ENTER 2000 2 If the symbol is a waypoint the Waypoint Review page appears allowing you to review and edit the Piesing ENTER e highlighting a map item properties of the selected waypoint see pages 48 49 for more information on the Waypoint Review a Le will bring up additional page If the item is a map feature an Information page appears showing details about the map item With many map items additional information tabs appears Use the ARROW KEYPAD to highlight yO EY the individual tabs to display additional details and options Liso le Option buttons details and options 23 Reference Map Page Cursor and Zooming To FISH N 35 33 867 Depth W076 20 680 From Current Position 14 2 176 Delete Show
128. ired a position as described on pages 4 5 2 Use the ARROW KEYPAD to move the cursor Notice how another data field appears showing the bearing and distance trom your boat to the cursor along with the latitude longitude of the cursor 3 Press the QUIT key to remove the cursor and re center your boat on the map display As you become more familiar with the cursor you ll see that the map display actively scrolls or pans letting you explore areas around the world and create waypoints and routes Wherever you move the cursor you ll always be just one QUIT keystroke away from returning the map to your present position Now that you ve seen how the Map Page can be used to monitor your present location lets take a minute to learn how to mark and store your present position as a waypoint Since you re in simulator mode the present position displayed will be the last position calculated by the receiver which should be the spot where you ve initialized the unit This will also give you an opportunity to see how the GPSMAP 188 188C 238 Sounders keypad and ENTER MARK key are used for data entry and chang ing the waypoint name and symbol Getting Started Map Cursor Ready 3D OO O O SPEED 0 0 345 01 A Veseatecestalecdeserterestereel DISTANCE TO HEAT POSITION m N_3851 343 W094 47 934 Current position Ready 3D 0 0 e e N p Distance n s Bearing SPEED
129. isable to backup important waypoints to a computer using an optional PC cable and interface software save them to a data card or write them down by hand To delete an individual waypoint from the User list 1 Use the ARROW KEYPAD to highlight the waypoint to be deleted 2 Press MENU highlight Delete Waypoint and press ENTER OR press ENTER highlight Delete and press ENTER 3 Press the ENTER key to confirm the deletion warning To delete waypoints by symbol 1 From the User tab highlight the waypoint to be deleted and press MENU then select Delete By Symbol and press ENTER 2 Use the ARROW KEYPAD to highlight the symbol of the waypoint s to be deleted and press ENTER 3 Press ENTER to confirm Choose Cancel or press QUIT to stop the deletion To delete all user waypoints 1 Press the MENU key to select the options window 2 Use the ARROW KEYPAD to highlight Delete All and then press ENTER 3 Highlight the OK prompt and press ENTER to confirm Proximity Waypoint List The Proximity submenu of the Points tab lets you define an alarm circle around a stored waypoint position and can be used to help you avoid reets rocks or restricted waters Up to ten waypoints may be listed with a maximum alarm radius of 99 99 nautical or statute miles or kilometers If a proximity alarm circle overlaps with an existing alarm circle the message Proximity Overlaps Another Proxim ity
130. its fullest potential Part Two is divided into sections that provide detailed references to the advanced features and opera tions of the GPSMAP 188 188C 238 Sounder This allows you to concentrate on a specific topic quickly and look up detailed information about the GPSMAP 188 188C 238 Sounder Customer Service Product Registration Help us better support you by completing our on line registration today Have the serial number of your GPSMAP 188 188C 238 handy and connect to our web site www garmin com Look for the Product Registration link on the Home page Also be sure to record your serial number in the area provided on page iv of this manual A NOTE If you have previously registered a Garmin product purchase we invite you to re register using our NEW on line system Many services provided by our new product registration system are now being automated and re registering your purchase ensures you the best possible support from Garmin Introduction FCC Compliance FCC Compliance The GPSMAP 188 188C 238 Sounder complies with Part 15 of the FCC interference limits for Class B digital devices FOR HOME OR OFFICE USE These limits are designed to provide more reason able protection against harmful interference in a residential installation and are more stringent than outdoor requirements Operation of this device is subject to the following conditions 1 This device may not cause harmful interference and 2
131. k and drill the four mounting holes for the fastener you are using Fasten the bracket to the surface using the appropriate fastener Insert the GPSMAP 188 188C 238 Sounder into the mounting bracket The bracket is designed for a tight fit to provide additional support when swiveling the unit Screw the two mounting knobs through the bracket and into the display case Connect the power data and antenna cables external antenna only to the back of the unit making sure the locking rings are fully tightened on both connectors Appendix A Unit Installation The Mounting Bracket is designed to be secured using a flat head screw If you use a screw with a countersunk head you risk damaging the Mounting Bracket 93 94 Appendix A Unit Installation Figure 1 Figure 2 The GPSMAP 188 188C 238 Sounder can be flush mounted on a flat panel When flush mounting the GPSMAP 188 188C 238 Sounder be sure to choose an appropriately sized location for the unit and leave 1 25 32mm clearance below the data card slot for inserting removing data cards For flush mounting the GPSMAP 188C unit refer to the instructions on the Flush Mount Template 190 00264 00 The GPSMAP 188 238 with external antenna may also be flush mounted on a flat panel using its existing mounting bracket To flush mount the GPSMAP 188 238 unit 1 Remove the four M5 screws from the back of the unit and remove the mounting bracket 2 Using t
132. latitude longitude and elevation 3D Differential appears when you are receiving DGPS corrections in 3D mode and a D will show on the strength bar of satellites being corrected Poor GPS Coverage the receiver is no longer tracking enough satellites for a 2D or 3D fix Receiver Not Usable the receiver is unusable possibly due to interference or abnormal satellite conditions Turn the unit off and back on to reset Simulating the receiver is in simulator mode The Differential Receiver status will show one of the following Off No optional beacon receiver attached or enabled in the Comm menu or WAAS Off Searching For WAAS WAAS is enabled and receiver is searching for WAAS signal Using WAAS WAAS capability enabled and unit receiving WAAS corrections No Beacon Signal DGPS receiver attached but not transmitting RTCM data to GPS Tuning Beacon Receiver is tuning manual DGPS frequency Receiving Beacon Unit is receiving DGPS corrections Scanning Beacon DGPS receiver is scanning for available frequency Using DGPS Indicates a Differential signal is being received only displays when the Serial Data Format is set to Other DGPS on the Comm Tab of the Main Menu The Differential SNR Signal to Noise Ratio indicates on a scale to 0 30db with 30db being the Reference best the strength of the DGPS signal being received If no optional DGPS receiver is used with the GPSMAP 188 188C 238 Sounder
133. lay with adjustable backlighting 234 x 320 pixels Case Fully gasketed high impact plastic alloy waterproof to IEC 529 IPX7 standards Temp Range 5 F to 158 F 15 C to 70 C Performance Receiver Differential ready 12 parallel channel WAAS capable receiver Acquisition Times Warm Approx 15 seconds Cold Approx 45 seconds AutoLocate Approx 2 minutes Update Rate 1l second continuous GPS Accuracy Position lt 15 meters 49 feet 95 typical Velocity 0 05 meters sec steady state DGPS USCG Accuracy Position 3 5 meters 10 16 feet with optional Garmin DGPS receiver 95 typical Velocity 0 05 meters sec steady state contd 116 DGPS WAAS Accuracy Position 3 meters 10 feet 95 typical Velocity 0 05 meters sec steady state Dynamics Og s Warm all data known Cold position time and almanac known AutoLocate almanac known position and time unknown Skysearch no data known Subject to accuracy degradation to 100m 2DRMS under the U S DOD imposed Selective Availability Program Power Source GPSMAP 188 238 8 35v DC GPSMAP 188C 10 35v DC Usage 188 238 8 watts max at 13 8v DC 188C 14 watts max at 13 8v DC Fuse GPSMAP 188 238 AGC 3AG 2 0 Amp GPSMAP 188C AGCBAG 5 0 Amp Sonar Sounder Power 500 watts RMS 4000 watts peak to peak Frequency 50 200 kHz 45 15 Depth 1500 foot max depth Depth capacity is dependent on water salinity bottom type and other wat
134. layed cl Same as above with target depth attached e Size Split enables width adjustment of the Sonar Page split screen This option is only available when a split screen zoom scale is selected You may adjust the size of the split window anywhere from 1 4 to 3 4 width of the right half of the Sonar Page To resize the Sonar Page split screen 1 From the Sonar Page split screen press MENU 2 Using the ARROW KEYPAD highlight Size Split and press ENTER 3 Move the horizontal double arrow LEFT or RIGHT using the ARROW KEYPAD until the desired vertical width line shows then press ENTER 4 Ifyou wish to cancel this operation press QUIT or press MENU highlight Cancel Resize and press ENTER e Set Up Sonar jumps to the Sonar tab of the Main Menu which contains sonar configuration settings that should not require frequent change You may also press MENU twice from any screen then highlight the Sonar tab using the ARROW KEYPAD Press RIGHT on the ARROW KEYPAD to access the selection fields Each time the Setup Menu is accessed the unit will return to the last edited selection field To change a setting on the Sonar tab 1 Using the ARROW KEYPAD highlight the desired field and press ENTER and the available options appears 2 Highlight the desired setting and press ENTER 3 Press QUIT to return to the Sonar Page or previous page Sonar Tab Options Fish Symbols allows you to determine how the
135. ll of the default data fields to show 4 small data fields This option is avail able from any of the main pages with the exception of the Numbers Page One the Numbers Page you may split each of the 3 large data fields into 4 medium fields for a total of 12 data fields To split or merge the Numbers fields 1 While in Change Numbers mode highlight the data field you want to change and press MENU 2 Choose Split Number or Merge Numbers then press ENTER You will now see four new data fields or one large field Press QUIT when done 3 To return to the factory configuration repeat the above steps but instead choose Defaults then press ENTER Press QUIT when done e Measure Distance allows you to measure the bearing and distance between any two points on the map display To measure the bearing distance between two points 1 Highlight the Measure Distance option and press ENTER An on screen pointer appears on the map display at your present position with ENT REF below it 2 Move the cursor to the desired reference point the point that you want to start measuring from and press ENTER 3 Move the cursor to the point that you want to measure to The bearing and distance from the reference point will be displayed in the data window below the data fields along with the cursor s coordinates Press the QUIT key to finish e Show Sonar Show Numbers toggles between a Map Page with Sonar inform
136. ly mark and set a course to a position for quick response to emergency situations To activate the MOB function 1 Press the MOB key 2 Press ENTER to confirm and begin navigating to the MOB position Once a MOB has been activated a MOB waypoint with an international MOB symbol is created and the unit is set on an active navigation to that point Use any of the Navigation Pages to guide you back to the MOB point The MOB waypoint is stored in the waypoint list and may be deleted like any other waypoint see page 50 To stop navigation to the MOB position 1 Press the NAV key highlight Stop Navigation and press ENTER Creating a Route The last way to navigate to a destination is to create a user defined route The Garmin GPSMAP 188 188C 238 Sounder lets you create and store up to 50 reversible routes numbered 1 50 with up to 254 waypoints each Routes can be created in two ways The first way is by selecting points from the Map Page allowing you to see each route graphically on screen as you create the route The second way is to select waypoints from the Find menu allowing you to see a list of the route points as you create the route To create a route start by accessing the Main Menu To create a route graphically 1 Press the MENU key twice to display the Main Menu page Use the ARROW KEYPAD to highlight the Route tab Press the MENU key to display the route options page Select New Route and press
137. ly to show at a glance the direction of your movement and the direction to your destination For instance if the arrow points up you are going directly to the waypoint If the arrow points any direction other than up turn toward the arrow until it points up then continue in that direction Current mee TOUR2 Dest TOURS Destination AQ Of 014L DISTANCE TO TERT POSITION H 34 53 684 W076 30 813 Data Fields Pointer Arrow The current speed distance to the next waypoint turn angle and current position are displayed at the top of the screen This page provides better steering guidance when travelling at slower speeds and Compass Page or when making frequent directional changes When you are not navigating to a waypoint the compass will show your direction of travel as you move but the arrow will not appear Next TOUR2 Dest TOURS do ods oso 095 oof oss 0 0 ors odo o Numbers Page 60 075 Press PAGE to see the next page appearing in the main sequence the Numbers Page The Dap teta d latin Numbers Page allows for precision navigation to 1 degree of steerage The default page displays 3 large k numbers fields You may customize the Numbers Page to display the size and number of fields along 40 0 with the type data you wish to see See pages 26 28 for changing the types of data POSITION N 34 53 866 W076 30 509 Numbers Page 16 To split the data fields
138. m the bottom up All target depths will read as a distance form the bottom Btm Bottom Lock displays only the Bottom Lock picture returns from the bottom up on the full screen However if Dual Frequency Display is set to Split then a 50 200kHz split screen will be displayed Once activated the zoomed picture becomes the Sonar Page display You may also cycle through the sonar zoom display levels by pressing the IN or OUT keys The Zoom function can be deactivated by pressing the OUT key until the No Zoom setting appears View Span available when a Zoom scale other than No Zoom is selected The View or Span setting is used to change the viewing range of a zoomed display If the Zoom is set to 2X split or 4X split only the zoomed portion on the left side of the screen is affected by the change If the Zoom is set to Bottom Split or Bottom Lock Span adjusts how far off the bottom the unit displays data In Zoom mode you can control the view of the left side of the split Gain allows you to control the sensitivity of the units receiver This provides some flexibility in what is seen on the display To see more detail increase the receiver sensitivity by selecting a higher gain percentage If there is too much detail or if the screen is cluttered lowering the sensitivity may increase the clarity of the display Target Level adjusts how dark light a return or target is displayed on the scre
139. n 1 Using the ARROW KEYPAD highlight the desired option and press ENTER The following options are available from the Highway Page menu e Change Numbers allows you to specify the type of data displayed in each data field on the High way display For detailed instructions on changing the data fields and layout of the Highway page see pages 26 28 e Set Up Highway jumps to the Hiway tab of the Main Menu allowing you to select which waypoints and tracks are shown on the Highway display Use the ARROW KEYPAD and ENTER key to select deselect the desired options Four options are available e Active Route Waypoints all active route waypoints e User Waypoints only nearby waypoints to the route e Track Log current active track log e Saved Tracks any saved track logs near the route Active Route Page When a route is activated in the GPSMAP 188 188C 238 Sounder system the Active Route page will show each waypoint of the active route along with various user selectable types of data For additional details on the Active Route Page see page 64 Reference Highway Page Options Check or uncheck the options you wish to show hide on the Highway Page Preview Window HP User Waypoints Tide Pz Active Route Waypoints Celes E Points Track Log Y Saved Tracks Selecting the Setup Highway option takes you to the Hiway tab of the Main Menu Next TOUR4 D
140. n needed to match bearing Map Page Options To Cape Lookout ident dba Lecsetesestine DISTANCE TO NEXT POSITION H 34 39 537 1076 23 357 Highlight the field you wish to change AS e VELOCITY MADE GOOD Velocity Made Good to destination naan aa Mir e VOLTAGE Current voltage reading being received by unit h z e WATER SPEED Speed through the water if equipped with optional speed transducer sensor e WATER TEMP LOG Smaller version of the Temperature Log if equipped with temperature transducer sensor e WATER TEMPERATURE Water temperature if equipped with temperature transducer sensor To Cape Lookout A NOTE COMPASS HIGHWAY and POSITION will only be available on medium and large sized data fields TIME TO DESTINATION TO COURSE Choose the type of data TOTAL AVERAGE SPEED i TOTAL TRIP TIME you wish to display 27 Reference Map Page Options Single large data field Default medium fields HO76 24 0 20 0 1 0 6 16 9 15 111 28 10 41 HI eae 007 7 ooo 14 Split small fields Distance and at al Bearing Cursor Coordinates Map Cursor RS SCE Y Full screen map shown 28 with BlueChart data You may also choose to merge the four medium default data fields to a single large field for better readability or split any or a
141. n the unit detects a fish of the specified size symbol s oa Tide 3 m To set an alarm sees 1 Use the ARROW KEYPAD to highlight desired submenu tab of the Alarm Tab Route an 20 0 i Deep Water 2 Highlight the field below the alarm name you wish activate and press ENTER oar Off TTAN ps Tab lrn onar Submenu 3 Change the mode to the desired setting and press ENTER ver ds a 4 Highlight the next field to the right and press ENTER then enter the desired settings and press Sonor Fish ENTER to finish Syatm Off 5 Ifyou want the alarm to display and beep until acknowledged highlight the Persist box and press ENTER to place a check mark in the box 91 Appendix A Antenna Installation Suggested locations for mounting the GA 29 antenna carmi It is possible to route the coaxial cable either through or outside the antenna mount It is possible to remove the BNC connector on the coaxial cable and shorten the coaxial cable to ease installation however doing so will void the antenna warranty If the BNC connector is removed it must be replaced with a new solder on or crimp BNC RG 58 or 59 compatible connector 92 Installing the GPSMAP 188 188C 238 Sounder The GPSMAP 188 188C 238 Sounder must be properly installed according to the following instructions to get the best possible performance To complete the installation you ll need the ap
142. na Ee te AE 91 DAS ts ra 85 Depth pu end 3 14 26 34 36 37 85 86 a E EE ENR 36 DEP Na roads 39 DEP ad adi a 84 DGPS TETEE tad aa 70 87 89 Dilution Of Precision DOP i024 wed dwecwes 69 Distance Speed and Elevation Units 86 Distr Callao dois te tviecan Bat So Sucre een e soled 77 19 82 DSC Digital Selective Calling 77 82 E Ed ROUES ia e ae etre 60 64 Ed Waypo e ae Vc iceedidp sone ea iA 47 52 A Seauiites com Petit tetas 86 Entero Dias duetos 4 4 5 ENTER MARK RC sora Lae F FINDS E EEEE ds l A A EE 65 66 FISH Al AM EEEE cs 9 A 38 A O 39 A oonieeitG Mes a 35 Bile O aes adie dea alee 63 Fl Serer MAD sie ura caries dose aay ee dute Gos 26 G GOW espiritus nEri 35 a O 3 68 70 AMA EEEE E 53 54 Going to a Destination 11 12 53 54 H A rra 86 Heading A mans natnae ae 31 Highway Rave cdt cs 17 19 42 43 I TING ak chine eG e T a a eae l eli AAA 2 3 Meala a a ae ESEE ekemas ee 86 93 A e pacieun Gees 87 90 95 J AAA Rano TAER 83 K Keel Oda ente esa a Rew ela eS 39 Keypad Usar cp Ds ao ds il L banonte e EA Ohera ai eaa E AAA 94 E A EEIE PEPE 31 Local Tine OM eee setae ena Elba lo 83 110 Loram A eee AERE REES 102 103 M Main Menu 20 67 91 Mamen restado Bel oo Map Configuration Map Dati rada eras cios 86 104 105 A AAA II 32 A ara AAEE paper 8 9 22 32 Map S ales ZOOMING cer cuasi vais ds 24 25 Measite Distance Bearne tatu fore 28 A A A l NME
143. ng Coordinates of item Prohibited as the new search from point You may also use the Find feature to center your search from From Current Position 932 4 Show Chart any waypoint route list entry map item or tide station Highlight the item you want to Find from and Additional Option press the FIND key H 35 45 959 HO75 3 1 036 Next 5 Buttons Lee ee Find Options Additional Information Window Using the Find options you may search from various map data and utilize variety of nearest criteria for all items except waypoints Available Find options are e Nearest To Boat centers search from your boat s current location e Nearest To Other allows you to choose another map location from which to search 0 Tide Stations Cape Hatteras Rodanthe Pamlico Sound ty Hatteras Fishing Pier J e Nearest To Next centers search from the next point of your active route Nee a e Nearest To Destination centers search from the last point of your active route Nearest To Boat To find an item using the find options Find Menu Options 1 From any page press FIND 2 Using the ARROW KEYPAD highlight the desired category trom the list and press ENTER 3 From the search results list press MENU then highlight the desired option and press ENTER gon Inle 4 Old House Channel Worldwide Marine Base Map From Wreck 66 ka
144. ngratulations You ve now gone through the basic operation of the Garmin GPSMAP 188 188C Getting Started 238 Sounder Your new digital chartplotter is a powerful tool with many advanced features not covered in the Getting Started tour For detailed instructions on using these features or performing a specific Powering Off Unit task please refer to the Quick Reference Guide or the appropriate reference section of this manual The unit is still in Simulator mode for practice but automatically returns to its Normal operation mode when you shut it off and turn it back on To turn the GPSMAP 188 188C 238 Sounder off 1 Press and hold the POWER key for about 2 seconds until the screen is blank 2 When the screen is blank release the POWER key The next section of the manual describes the pages and functions of the GPSMAP 188 188C 238 Sounder in detail If you are unable to locate a specific option or function please refer to the Index on pages 118 120 Thank you for choosing the Garmin GPSMAP 188 188C 238 Sounder navigation unit We hope it will be a useful and fun tool for you wherever you go 21 Reference Map Page The GPSMAP 188 188C 238 Sounders Map Page provides a comprehensive display of electronic Map Page cartography plotting and navigational data When using the unit with the optional BlueChart data or MapSource software the map display shows your boat on a digital chart complete with geographic names map items navaids and a
145. ntrol of many advanced features right from the screen display This tour is designed to take you through the basic pages and functions of the system using the simulator mode Once you re familiar with the main pages and functions of the unit refer to the refer ence section for instructions on performing specific tasks and functions The Getting Started Tour assumes that the receiver has been properly installed and initialized and you have not changed any of the default unit settings If you have changed any settings position formats units of measure etc the descriptions and pictures in the tour may not match your configuration After powering on the GPSMAP 188 188C 238 Sounder the GPS Information Page appears as the receiver begins acquiring satellites From this or any other page you may also adjust the backlighting The GPSMAP 188 188C 238 Sounders adjustable screen backlighting is controlled with the POWER key and may be adjusted at any time from any page The backlight can cycle through off user defined and maximum backlight levels by repeatedly pressing the POWER key To turn on and adjust the backlighting 1 Press POWER and the Light window appears 2 Press POWER again and the user defined level of backlighting activates You may adjust this level by pressing UP or DOWN on the ARROW KEYPAD If you press POWER one more time the back lighting will be at the maximum setting 3 Press ENTER or QUIT when done The backlight w
146. number and the receiver s last know position as the default name and position to enter the desired dl TA position coordinates 3 Use the ARROW KEYPAD to highlight the position field and press ENTER Use the ARROW KEYPAD to enter the desired position coordinates and press ENTER when finished 4 To change the name symbol or enter comments depth or elevation highlight the appropriate field and press ENTER Make your changes and press ENTER when finished 5 Use the ARROW KEYPAD to highlight OK and press ENTER to save the waypoint A waypoint may also be created by projecting the distance and bearing from a specific location to a new location Start by accessing the New Waypoint page or the New Map Waypoint page From Current Position 0 0 142 2989 Available 11 Used Hop Pointer A To create a new waypoint by projecting its location Find a o 1 To project the waypoint from your current location be sure the field to the right of the word From Waypoints h a oe k ae f EA eid oy cities reads Current Position if not highlight the field and press ENTER highlight Current Position and Tide Stations press ENTER Select a point from which Transportation Wrecks Obstruct 2 To select a map location from which to project a waypoint highlight the field next to From and Current Position Other Position press ENTER The Find
147. numeric waypoints with selectable icons and comments Built in Worldwide marine basemap to 20 miles includes detailed ocean river and lake coast lines cities interstates US state highways and local thoroughfares 50 reversible routes with up to 254 188C 50 on 188 238 waypoints each Uploadable maps using Garmin s MapSource PC products and BlueChart Data Cards Coordinates Lat Lon UTM UPS Loran TD plus over 20 grids including Maidenhead TracBack route feature which allows you to quickly retrace your track log to a starting position Built in simulator mode Built in tide information from over 3 000 tide stations around the USA coastline Alaska Hawaii western Canada and several Caribbean Islands Superior Fishfinding Ability Whiteline feature provides a clear image of both bottom hardness and structure See Thru technology which helps separate fish returns from thermoclines and structure Four zoom levels with a moving view window Underwater waypoint marking Map Sonar split screen combines navigation and fishfinding information Fish and depth alarms vil Introduction Table of Contents troduction ao i vili Preface and Registration i PCG COMPIQNCS aiee a ii Warnings and Cautions iii WANANE kasa a re inte E E N iv Software License Agreement V Pieka List eya iba vi Cap DES auroras i vii TALE Ol Contents peto viii Section One Getting Started 1
148. nutes Prolonged submersion can cause damage to the unit After submersion be certain to remove the data card and dry the compartments before reuse To resolve problems that cannot be remedied using this guide contact Garmin Customer Support in the U S A at 800 800 1020 or Garmin Europe at 44 1794 519944 101 Appendix D Loran TD System LORAN C is a radio navigation aid operated and maintained in the United States by the United Loran TD States Coast Guard The name LORAN is an acronym for LOng RAnge Navigation The LORAN system covers the entire United States and the U S Coastal Confluence Zone From the perspective of a mariner the system is used for ocean and coastal navigation It can be used as a supplemental system Tie iden eae for harbor and harbor approach navigation and it is used for inland navigation by recreational vehicles Trip pants WGS 84 LORAN TD Feature Trat auto Mag Var 003 E On the Units Tab of The LORAN TD Time Delay feature eases the transition from using LORAN to using GPS The me Man a de GPSMAP unit automatically converts GPS coordinates to LORAN TDs for those who have a collec a es T l tion of LORAN fixes for favorite fishing spots and other waypoints recorded as TDs You can display your position as a TD or enter waypoints as TDs The accuracy to be expected from this conversion is Card Dis ation Time Defaults Pages Loran TD On
149. o Route from the options menu 2 The Select Route screen appears Highlight the desired route or select New Route and press ENTER 3 With OK highlighted press ENTER to save the waypoint To move a waypoint 1 Select Move Waypoint from the options menu 2 The selected waypoint will be centered and highlighted on a map display Use the ARROW KEYPAD to move the waypoint to the new position and press ENTER Press QUIT to exit Reference Creating Waypoints Append To Route Move Waypoint menu for Main Menu Waypoint Options Menu Use the ARROW KEYPAD to move the waypoint to a new position on the map 41 Reference Reviewing and Editing Waypoints Once you have created and stored a waypoint it may be modified reviewed renamed moved or Reviewing Editing Waypoints deleted at any time through the Waypoint Review and Waypoint Edit pages To access the Waypoint Review page ES 1 Use the ARROW KEYPAD to highlight the desired waypoint on the Map Page dra Maypoint Review Waypoint Review Page 2 Press ENTER to display the Waypoint Review page If the waypoint is located on a map feature or Highlight OK and press on a MapSource or BlueChart feature the Waypoint Review page includes additional information N aS ae Doll ENTER to exit save tabs about the other features at that location Es don return to the To access the Waypoint Edit page e 1 1 Press MENU twi
150. o drop down to the next line on the ARROW KEYPAD moves the cursor along the 5 When data entry is completed press ENTER to accept data then move to the next programmable orante field Not all data fields are programmable like the date and time When moving about a page with these type of fields the cursor will skip over them eave Fara Je 12 Hour Data Entry Field Every field and button on this page The waypoint can be renamed ther 06 00 can be programmed or activated Reste Posh seves Tne a a A dep th can be entered card Current Time and Date A waypoint symbol can be selected peA pes 03 45 23 23 JUN 03 Non programable from a list of symbols A Uioara ue data fields From E Position A comment can be added 0 0 Option buttons can be activated Comm Alarm The coordinates can be changed Getting Started Tour Backlighting Acquiring Satellites Accuracy DOP e Differential None k Ce A full screen GPS Information pop up page is displayed after you press the ENTER key to acknowledge the Warning Page The pop up page will go away after the unit gets a position fix or you press either ENTER or QUIT The page can be disabled and enabled on the Pages Tab see page 83 GPSMAP 188 188C 238 Sounder Getting Started Tour The Garmin GPSMAP 188 188C 238 Sounder is a powerful electronic navigation system that pro vides detailed map coverage and convenient co
151. obligation to notify any person or organization of such changes Visit the Garmin web site www garmin com for current updates and supple mental information concerning the use and operation of this and other Garmin products GARMIN AutoLocate GPSMAP See Thru DCG Depth Control Gain MapSource BlueChart and TracBack are registered trademarks of Garmin Ltd or its subsidiaries and may not be used without the express permission of Garmin June 2003 Part Number 190 00216 10 Rev A Printed in Taiwan Preface Introduction Congratulations on choosing one of the most advanced marine navigation systems available The Garmin GPSMAP 188 188C 238 Sounders utilize the proven performance of Garmin GPS and full fea Preface and tured mapping to create an unsurpassed marine navigation chartplotters Registration This manual covers instructions for the GPSMAP 188 GPSMAP 188C color and GPSMAP 232 Unit operation and specifications will be the same on all three models unless otherwise speci fied To get the most out of your new navigation system take the time to go through this owners manual and learn the operating procedures for your unit This manual is broken down into two parts for your convenience Part One introduces you to the GPSMAP 188 188C 238 Sounder and provides a Getting Started tour so that you may become more familiar with the unit This section will provide you with a basic working knowledge necessary to use the unit to
152. of travel Bearing Line Auto Off 20 ft 800 ft 0 2 nm 800 nm sets the scale at which the Bearing Line ts Navaids CITAI Track Other appears on the screen The Bearing line shows the bearing from your current location to a destina Zoom tion waypoint Heading Line Off Nav LineTab Bearing Li Course Line Auto Off 20 ft 800 ft 0 2 nm 800 nm sets the scale at which the Course Line enone wt appears on the screen The Course Line shows a direct navigation line from the point navigation was 31 initiated to a destination waypoint Reference Map Page Options ts Navoids Nay Line 117733 Other Zoom Saved Tracks Auto Track Log Auto Track Tab ts Navaids Nay Line Track LUT Text Zoom Accuracy Circle On Lat Lon Grid Med Off Map Outlines On Other Tab ENO for Main Menu Map Setup Menu Options 32 Track Tab Saved Tracks Track Log Zoom Auto Off 20 ft 800 ft 0 2 nm 800 nm sets the maximum scale at which the feature appears on the screen Some types of data will only show up to certain zoom scales Other Tab Accuracy Circle On Off toggles the circle On and Off The circle represents the approximate accuracy of the unit based on EPE DOP and basemap quality You position will be within the circle Lat Lon Grid Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 20 ft 800 ft 0 2 nm 800 nm sets the maximum sc
153. oint When you move the cursor Map Waypoint over a map item you will see a highlighted description of that item The GPSMAP 188 188C 238 Sounder uses the map item text shown on the cartography as the default name and symbol for the new N 38 52 835 Denth waypoint Creating a waypoint on W094 57 471 an open map location Current Position To create a new waypoint on an open map location 7 6 278 1 Use the ARROW KEYPAD to move the cursor to the desired map position Delete show Mop mam 2 Press and quickly release the ENTER MARK key to capture the cursor position press and hold ENTER MARK to mark your present location not the map cursor s position 3 The New Map Waypoint page appears To accept the waypoint with the default name and symbol press ENTER To change the name symbol position or add a comment or depth highlight the appropriate field and press ENTER Make your changes and press ENTER when done After entering and confirming carrituok Beach your changes highlight OK and press ENTER A ho75 50317 o A Currituck Beach Land Non Urban Chart To create a new waypoint from a map feature 1 Use the ARROW KEYPAD to move the cursor and highlight the desired map feature 2 Press ENTER MARK to capture the cursor position An Information page for that map feature appears Use the ARROW KEYPAD to highlight Create Wpt and press ENTER 3 The New W
154. oint waypoint or map item from a route This option is available from both the Route Review and Active Route Pages To remove a point from a route 1 From either the Route Review or Active Route pages use the ARROW KEYPAD to highlight the point to remove and press MENU 2 Highlight Remove and press ENTER e Trip Planning The Route Review and Active Route pages also display trip planning information for each leg or the entire route Available information includes Course ETA Fuel to point Leg Distance Leg Fuel Leg Time Sunrise and Sunset at point location and Time To point To use the trip planning feature 1 Highlight the desired route from the Route List and press ENTER to display the Route Review page 2 One of nine available planning figures appears to the right of each route waypoint and its distance Use the LEFT RIGHT keys on the ARROW KEYPAD to select the desired item 3 To enter planning information from the Route Review Page only press MENU and select Trip Planning from the options list Enter the figures for Speed Fuel Flow Departure Time and Departure Date 4 Press QUIT to return to the Route Review Page changes for units of measure statute nautical or metric do not affect the fuel flow measure You should enter fuel flow rates based upon available information for your vehicle operator s manual performance specifications etc and make note of the desired units of measure
155. om Display Dual Frequency Mode To change a setting back to Normal or Auto 1 On the adjustment window for the desired option press MENU 2 Select the desired setting and press ENTER Adjustment Menu Options Range sets the display depth range used for viewing The unit can be set to automatically track the bottom or set to a user specified depth range Auto mode displays the most information pos sible while continuously showing the bottom Zoom used to quickly select a display zoom scale or split the display When a scale other than No Zoom is selected the Adjustment Menu displays a new selection labeled View The Zoom setting is divided into six display levels 2X Split shows two reduced size sonar pictures at the same time The right half of the display screen shows the complete sonar picture at its original scale The left half shows a portion of the original picture at 1 2 depth scale 2X Zoom displays the 2X zoomed picture on the full screen and does not show the original depth scale 4X Split shows two reduced pictures the right at the original depth scale and the left at 1 4 the original depth scale 4X Zoom displays only the 4X zoomed picture on the full screen However if Dual Frequency Display is set to Split then a 50 200kHz split screen will be displayed Btm Bottom Split shows two reduced pictures the right at the original depth scale and the left showing sonar returns fro
156. on is beneficial for users who have more than one GPS chartplotter If you want only DSC to display on a particular chartplotter turn DSC off on the remaining Garmin chartplotters that support DSC Reference Main Men Adding a Directory Entry u DSC Tab GPS call List Log Directory Setup Tide Trip Name New Directory Item MMSI 000000008 Hame SS J HAWK Comment Call List Log Directory XX DSC On Simulate Position Report Simulate Distress Call DSC Setup Simulate options only appear while in Simulator mode 81 82 Reference Main Menu DSC Card Tabs User Waypoints Proximity Waypoints Routes Y Tracks Save To Card Herge From Card Replace From Card those on your GPS Replace From Card overwrites all selected items on your GPS with those from the data card Card Tab A user also has the ability to simulate a Distress Call or a Position Report on this page This is help ful for practice before connecting to the real system The Distress Call simulator also helps to check if alarms are working properly To run a simulation 1 Place the chartplotter into simulation see pg 7 2 From the Main Menu select the DSC tab then highlight the S
157. our course over ground The resolution option is the default setting and is recommended for the most efficient a Unit use of memory and TracBack performance The distance value entered in the value field is the Comm es maximum error allowed from the true course before recording a track point E MEE 1 Reference e Value defines the distance or time used to record the track log e Save allows you to save the current active track log Main Menu Track Tab e Erase allows you to clear the active track log currently stored in memory Saved Tab me The Saved tab displays and manages a list of any saved track logs allows TracBack activation map Tide Record Mode z He q display of saved logs The active log stores up to approximately 2500 track log points based upon the Pam Saved Track criteria specified in the Track settings Up to 15 track logs may be saved in memory with up to 500 Traci Name psc 23 JUL 02 Card Distance Points Time 25 1 11 Pages Color aP E Green Temp Show on Map and Highway Sol track log points in each saved log On the Saved tab the following options are available by highlighting a track and pressing MENU e Review On Map displays the saved track log on a Track Map page Reviewing a saved track Sa NES e Delete Track deletes highlighted saved track log from memory
158. own at the bottom of the calibration window Note your top water speed then stop the boat and press ENTER 3 By default the top ground speed is automatically shown in the What was your top water speed field If a ground speed is not available the top uncalibrated water speed is used instead If the new speed is correct highlight OK and press ENTER If you wish to manually enter a calibration press ENTER on the speed field enter a new speed and press ENTER 4 You may also press MENU from the calibration screen and choose Use Top Ground Speed to default back to ground speed or Use No Calibration to use the speed sensor s uncalibrated speed NOTE If the boat is not moving fast enough or the speed sensor is not outputting a speed you will see a Boat Is Not Moving Fast Enough To Calibrate message at the bottom of the display Check that the speed sensor wheel is moving or safely increase boat speed If there is a problem with the speed sensor unit or if a speed senor is not installed a Water Speed Sensor Is Not Working message appears at the bottom of the display Check connections of speed sensor cables e Page Defaults restores the Sonar Page settings to the original factory setup To restore default settings to the Sonar Tab 1 Press MENU With Page Defaults highlighted press ENTER Compass Page The GPSMAP 188 188C 238 Sounder features two different navigation pages Compass and High way
159. p to 15 track logs from certain times and dates Aarm Active Landa Used To save a track log 1 From the Main Menu use the ARROW KEYPAD to highlight the Track tab then highlight the 94 Active tab to the right 2 Use the ARROW KEYPAD to select Save and press ENTER 3 On the Save Back Through window highlight the desired time date or Entire Log and press ENTER 4 Next the track will begin saving and then display the Saved Track window when done The default name distance and number of points 500 max will be displayed To change the name of the saved track highlight the name field and press ENTER make your changes and press ENTER again To choose a style monochrome units or color color models that will be used to display the saved track line highlight the field and press ENTER choose a Color or Style and press ENTER again To display the track on the Map and Highway pages highlight the check box to the left of Show on Map and Highway and press ENTER To view the track on the map highlight Review on Map and press ENTER Press QUIT to exit the Track Map window 5 Highlight OK and press ENTER to save the track To activate a TracBack using the NAV key 1 Press the NAV key then highlight the Follow Track option and press ENTER 2 Highlight the track you wish to follow and press ENTER 3 Choose either Original which will navigate you
160. pped with a pre located pocket contact your hull manufacturer Testing the location 1 Place the transducer in the water pointed directly at the bottom and set unit for optimum perfor mance Place the transducer in the test device as show on the side bar If the sonar performance is significantly degraded another location will need to be tested Installing the transducer 1 Lightly sand the surface of the hull and face of the transducer with 400 grit wet or dry sandpaper 2 Build a dam using strip caulk about 1 4 tall Pour about 1 8 of two part slow cure epoxy in the dam Place the transducer in the epoxy turning the transducer to work out any air bubbles 3 Weight the transducer in place and allow to cure for 24 hours Testing the Installation Appendix A While it is possible to perform some checks with the boat trailered the boat should be in the water to properly test the sonar portion of the installation Testing the Installation Press the POWER button and the GPSMAP 188 188C 238 Sounder should power on If the unit fails to power on verify that the wiring adapter is seated properly in the back of the unit the Red and Black wires are connected to the correct polarity and that the fuse is installed and not blown If the unit is connected to a power supply that exceeds 35 VDC a Battery Voltage High warning will be displayed and the unit will turn off Since water is necessary to carry the sounders sonar signal
161. pro priate fasteners and a 1 x 14 thread marine antenna mount available at most marine dealers If you have a GPSMAP 188 with an internal antenna skip to the next page When in doubt seek professional assistance Mounting the GPS Antenna The antenna should be mounted in a location that has a clear unobstructed view of the sky in all directions to ensure the best reception Avoid mounting the antenna where it will be shaded by the boats superstructure a radome antenna or mast Keep the antenna away from the path of a radars beam Sailboat users should avoid mounting the antenna high on the mast to prevent inaccurate speed readings caused by excessive heeling Most marine VHF and LORAN antennas do not seriously degrade the GPS antenna s reception Never paint the antenna or clean it with harsh solvents The Garmin antenna screws directly onto any standard 1 x 14 thread antenna mount If you need to raise the antenna to avoid shading try using a 1 x 14 thread extension mast available at most marine dealers To install the GPS antenna 1 Screw the antenna directly onto the 1 x 14 thread mount 2 Route the cable to the mounting location of the display unit Use appropriate tie wraps fasteners and sealant to secure the cable along the route and through any bulkhead or deck 3 Once the GPSMAP 188 188C 238 Sounder unit has been installed connect the cable to the antenna connector on the back of the display unit Make sure t
162. problem with the unit Contact your dealer or Garmin Customer Service page iv to have the unit serviced Appendix F Messages Track Already Exists lt track name gt You have entered a saved track name that already exists in memory Modify the track name or delete the previous track name Track Memory Is Full Can t Create Track Track log memory is full No additional track log data can be stored without deleting old data to create memory space Track Truncated A complete uploaded track will not fit into memory The oldest track log points were deleted to make space for the most recent data Transducer Disconnected Sonar Turned Off No transducer attached or bad cable transducer Transfer Complete The unit has finished uploading downloading infor mation to the connected device Water Speed Sensor is Not Working Speed sensor is not detected Check connections Waypoint Already Exists lt waypoint name gt You have entered a waypoint name that already exists in memory Modify the waypoint name or delete the previous waypoint name Waypoint Memory Is Full Can t Create Waypoint You have used all 3000 waypoints available Delete unwanted waypoints to make space for new entries 107 108 Appendix G Navigation Terms Avg Speed The average of all second by second speed readings since last reset Bearing BRG The compass direction from your present position to a destination waypoint Co
163. r BLACK Ground BLUE NMEA Out COM 1 Tx z n DC Power Source BROWN NMEA In COM 1 Rx The other wires do not have to be con nected for normal operation of the unit Replacement fuse GPSMAP 188 238 AGC 3AG 2 Amp GPSMAP188C AGC 3AG 5 Amp Interfacing GREEN COM 2 Tx WHITE COM 2 Rx YELLOW Alarm Low Alarm Relay RXD NMEA Device or Autopilot RXD 100ma max coil current GND GBR 21 23 RXD Beacon Receiver TXD The following formats are supported for connection of external devices Garmin proprietary Dif ferential GPS DGPS NMEA 0183 version 2 3 RTCM SC 104 input version 2 0 The following are the sentences for NMEA 0183 version 2 3 output Approved sentences GPBWC GPRMC GPGGA GPGSA GPGSV GPGLL GPBOD GPRMB GPRTE GPVTG GPWPL and GPXTE Proprietary sentences PGRME PGRMZ and PSLIB The GPSMAP 188 188C 238 Sounder also includes NMEA input with support for the WPL sentence and sonar NMEA input with support for the DPT Depth MTW Water Temp and VHW Water Speed amp Heading sentences If connecting to COM2 for sonar NMEA input the unit interface must be set to NMEA In NMEA Out see page 89 90 If connecting to COM1 the unit must be set to NMEA In NMEA Out GPSMAP 188C with software version 5 20 and GPSMAP 188 238 with software version 4 20 or higher will
164. r which will indicate the direct bearing to the navigation point When the red vertical indicator lines up with the black bar in the middle you are heading directly to the navigation point Use the Highway Page as your primary navigation page in lieu of the Compass Page when your main concern is following a defined course Current Destination Data Fields Desired Course Getting Started Numbers Page Highway Page Next TOUR2 Dest TOURS YO I I 045 050 055 co 070 075 080 08 Hi 050 055 060 f065 070 075 080 08 iilii I DISTANCE TO DEST m o DISTANCE TO NEXT n m o ETA AT DESTINATION nd o TU ETA AT NEXT 19 d POSITION N 34 49 818 W076 27 026 Numbers Page with split numbers Next TOUR2 Dest TOURS TO COURSE T 9 02 33 TIME TO NEXT Present Position Zoom Scale Highway Page 17 Getting Started Highway Page Next TOUR2 Dest TOURS SPEED TO COURSE 40 0 021 DISTANCE TO NEXT TIME TO NEXT AS Steer towards the center of the highway or towards the black vertical bar on the compass ribbon to get back on course Whenever the GPSMAP 188 188C 238 Sounder is in simulator mode you can also adjust your speed and course from the Highway Page using the ARROW KEYPAD As you head toward each waypoint in the tour route try adjusting your bo
165. ree satellites the top of the screen displays either Ready 2D or 3D and the GPSMAP 188 188C 238 Sounder is ready for use Getting Started Initializing the Receiver Point to your approximate location and press ENTER MARK EE Ready 3D Differential Points Differential Using WAAS Tide Accuracy DOP f H Time m Pages yu Map Y m0 go mt Hiway EN GPS AutoLocate DOP Tide Accuracy Trip n Initialize Position m e HAVANA n 5 2007 Point to your approximate Position and press ENTER A satellite s strength bars turn green when it s ready for use Getting Selecting Change Numbers Measure Distance Show Sonar Size Split Set Up Map Turn Declutter On meno for Main Menu Options Menu with highlighted option Started Options Full Screen Map Change Numbers Show Sonar Size Split Set Up Map Turn Declutter On ENO for Main Menu Use the ARROW KEYPAD to highlight the next option Press ENTER MARK to activale General Source Detail Points Orientation AutoZoom Waypoints Points Pop up list of options for a highlighted field Selecting Options and Entering Data Before moving ahead into th
166. requency approximately covers the area of a 20 foot diameter circle at a 30 foot depth A 200kHz frequency may provide a narrow 10 cone angle with a coverage width that is approximately 2 10 of the water depth As shown the 10 cone angle 200kHz frequency approximately covers the area of a 6 foot diameter circle at a 30 foot depth When using the GPSMAP 188 188C 238 in Dual frequency mode the unit transmits both 50kHz and 200kHz signals at the same time The Dual frequency capability of the GPSMAP 188 188C 238 allows you to have a large coverage area and still retain good bottom resolution When in Dual frequency mode the unit uses the narrow cone angle 200kHz to display detailed bottom information keeping Dead Zones to a minimum and the wide cone angle 50kHz for the large coverage area Fish returns from the wide and narrow beams appears differently on the display The wide beam tends to show longer fish returns than the narrow beam A nm Wide Cone Angle Narrow Cone Angle Understanding the Graph Appendix It is important to understand that the unit does not display a 3 D representation of the underwater environment The unit can display multiple things at the same time but cannot determine where the Understanding the Chart return originated only when it was received Examples 1 and 2 provide a look at the underwater world from a top view and illustrate how these views would be displayed on t
167. required in product lit erature and copyright messages displayed to the consumer Virtually all data sources contain inaccurate or incomplete data to some degree This is particularly true outside the United States where complete and accurate digital data is either not available or prohibitively expensive CAUTION IT IS THE USER S RESPONSIBILITY TO USE THIS PRODUCT PRUDENTLY THIS PRODUCT IS INTENDED TO BE USED ONLY AS A NAVIGATIONAL AID AND MUST NOT BE USED FOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT OF DIREC TION DISTANCE LOCATION OR TOPOGRAPHY WARNING This product its packaging and its compo nents contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is being provided in accordance with California s Proposition 65 If you have any questions or would like additional information please refer to our web site at http www garmin com prop65 iji Introduction Warranty and Serial Number Serial Number Use this area to record the serial number 8 digit number located on the back of the unit in case it is lost stolen or needs service Be sure to keep your original sales receipt in a safe place or attach a photocopy inside the manual Serial Number LE LT LT The GPSMAP 188 188C 238 Sounder is fastened shut with screws Any attempt to open the case to change or modify the unit in any way will void your warranty and may result in permanent damage
168. rial Data Format Celes TITHE rane 4800 Scanning this option Settings will affect both Port 1 and Port 2 NMEA outputs Tet lseen 200 300 0 Status Field To restore the Serial Data Format settings to the default Garmin Data Transfer Time SNR gt Distance E ance 1 From the Comm tab press MENU highlight Defaults and press ENTER show data when signal If Garmin DGPS or RTCM In NMEA Our format is selected additional fields are provided to con is received trol a Garmin differential beacon receiver directly from your GPSMAP 188 188C 238 Sounder You may have the unit automatically scan for the DGPS beacon signal or you can enter the beacon frequency and bit rate on the unit and the information will be used to tune the beacon receiver To have the unit automatically scan for a frequency 1 With the unit set to Garmin DGPS or RTCM In NMEA Out use the ARROW KEYPAD to high Port 1 Port 2 Te cil Data Format light the Beacon field and press ENTER Celes GARMIN DGPS Sea l Points aug 2 Highlight Scan and press ENTER The numbers in the Frequency field will change as the unit Route Status Track 4800 Check Wiring Time Beacon Bit Rate Frequency You may also manually jose User 200 28p 0 scans from 284 kHz to 325 kHz 200 bit rate then 100 at 6 second intervals
169. s a differential fix Accuracy sets an alarm to sound when the GPS position accuracy falls outside the user set value Main Menu Alarm Tab Nav Tab Anchor Drag sets an alarm to sound when you ve exceeded a specified drift distance Enter a value PS system ITI Sonar A ide A a in the distance field and use the control field to turn the alarm on and off Tris n per pee Anchor Drag Arrival sets an alarm to sound when you re a specified distance or time away from a destination Route Off 0 0 waypoint Enter a distance radius or time for sounding the alarm and use the control field to set the slat arm Tab arrival o alarm to Off Dist Distance or Time oer E a0 Pages off Course Off Course sets an alarm to sound when you re off a desired course by a specified distance Enter a Muay OF 0 00 distance in the distance field and use the control field to turn the off course alarm on and off Sonar Tab Shallow Water Deep Water set alarms to sound when you enter an area of specified depth that is too shallow and or too deep You must be receiving sonar data for this function to work Water Temperature sets an alarm to sound when the transducer reports a temperature either above below inside or outside the specified values Fish sets an alarm to sound whe
170. sed upon the distance between second by second position readings Appendix G Off Course The distance you are off a desired course in either direction left or right Also referred to as cross track error or course error Navigation Terms Speed The current velocity at which you are travelling relative to a ground position Also referred to as ground speed Time To The estimated time required to reach a Go To destination or the next waypoint in a route gate Also referred to as estimated time en route Time to Destination The estimated time required to reach a Go To destination or the final waypoint in a route Time to Next The estimated time required to reach a Go To destination or the next waypoint in a route To Course The recommended direction to steer in order to reduce course error or stay on course Provides the most efficient heading to get back to the desired course and proceed along your route Track The direction of movement relative to a ground position Also referred to as ground track Trip Odometer A running tally of distance travelled since last reset Also see Odometer Total Average Speed Average speed of unit for both moving and stopped speeds since last timer reset Total Trip Timer Total time the unit has been in operation since last reset of the trip timers Turn The angle difference between the bearing to your destination and your curren
171. ss ENTER 2 Use the ARROW KEYPAD to highlight the desired waypoint from the By Name or Nearest tab lists The Waypoint Review page appears for the selected waypoint 3 With OK highlighted press ENTER to confirm The distance field is now highlighted 4 Press ENTER to begin entry of the proximity radius 5 Use the ARROW KEYPAD to enter a distance value to 99 99 units and press ENTER To turn proximity alarms on or off 1 Use the ARROW KEYPAD to highlight the field below Proximity Alarm and press ENTER 2 Select the desired ON or OFF setting and press ENTER The following options are available from the Proximity submenu of the Points tab e Delete Alarm removes selected waypoint from proximity list e Delete All removes all waypoints from proximity list To display the waypoint menu options 1 Using the ARROW KEYPAD highlight the Proximity tab and press MENU To clear one or all proximity waypoint s from the list 1 Use the ARROW KEYPAD to highlight the proximity waypoint to clear and press MENU 2 To clear a single alarm highlight the Delete Alarm option and press ENTER 3 To clear all proximity waypoints select the Delete All option and press ENTER 4 Use the ARROW KEYPAD to highlight the OK prompt and press ENTER to confirm Going to a Destination Using the NAV key the GPSMAP 188 188C 238 Sounder provides three ways to navigate to a destin
172. stination waypoint Basemap Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Battery Alarm Specified amount of input voltage has been detected 106 Battery Voltage High Please Check Connection Input DC voltage is too high for unit Battery Voltage Low Please Check Connection Input DC voltage is too low for unit Boat is Not Moving Fast Enough to Calibrate Speed wheel is not turning Check for debris or boat speed is too slow Database Error Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Deep Water Alarm Specified deep water alarm depth has been detected below transducer Lost Satellite Reception The unit has lost satellite signals Check antenna connections or try moving to a location with a clear view of the sky Memory RAM Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced Memory ROM Failed Unit Needs Repair Internal problem with the unit Contact your dealer or Garmin Customer Service pg iv to have the unit serviced No DGPS Position No differential correction data is available or not enough data is available to compute a DGPS position No Tide Stations For That Area There are no tide stations within 100 miles of the specified point Try another
173. stop navigation rant N Go To MAP Point allows o o Go To MAP Point you to navigate to a spot 1 Press the NAV key Use the ARROW KEYPAD to highlight Stop Navigation and press ENTER 4 Go To Point on the map that is not a TracBack Navigation Follow Track waypoint or map item The TracBack function allows you to retrace your path using the track log automatically stored in the receivers memory which eliminates the need to store waypoints along the way TracBack routes are created by reducing your track log into a route of up to 50 turns and activating an inverted route along those points Once activated a TracBack route leads you back to the oldest stored track log point so it s a good idea to clear the existing track log before you start your current trip To clear the track log and define a starting point for a TracBack route rie Reta 1 Press MENU twice to display the Main Menu page Celes rap Ponts bere pe 2 Using the ARROW KEYPAD highlight the Track tab then highlight the Active tab to the right Tracy Resolution er Highlight Save and press 3 Use the ARROW KEYPAD to highlight Erase and press ENTER ENTER to save an active mes Erase 4 Highlight OK and press ENTER Map nae w You must first save the track log before you can use the Follow Track feature The Save feature ayn allows you to store u
174. sula NAD27 Mexico NAD27 San Sal NAD83 Nhrwn Masirah Nhrwn Saudi A Nhrwn United A Naparima BWI Obsrvtorio 66 Old Egyptian Old Hawaiian Oman Ord Srvy GB Pico De Las Nv Potsdam Ptcairn Ast 67 Prov S Am 56 Chile Colombia Prov S Chln 63 Puerto Rico Qatar Qornoq Reunion Rome 1940 RT 90 Santo Dos N American 1927 Mexico North American 1927 San Salvador Island North American 1983 Alaska Canada Central America CONUS Mexico Nahrwn Masirah Island Oman Nahrwn Saudi Arabia Nahrwn United Arab Emirates Naparima BWI Trinidad and Tobago Observatorio 1966 Corvo and Flores Islands Azores Old Egyptian Egypt Old Hawaiian Mean Value Oman Oman Old Survey Grt Britn England Isle of Man Scotland Shetland Isl Wales Canary Islands Potsdam Germany Pitcairn Astro 67 Pitcairn Prov So Amricn 56 Bolivia Ecuador Guyana Peru Venezuela So Chilean 63 S Chile Puerto Rico amp Virgin Isl Qatar National Qatar Qornoq South Greenland Reunion Mascarene Island Rome 1940 Sardinia Isl Sweden Santo Dos Espirito Santo Sao Braz Sapper Hill 43 Schwarzeck Sth Amrcn 69 South Asia SE Base SW Base Taiwan Timbalai 1948 Tokyo Tristan Ast 68 User Viti Levu 1916 Wake Eniwetok WGS 72 WGS 84 Zanderij Appendix E Map Datum Sao Braz Sao Miguel Santa Maria Islands Sapper Hill 1943 East Falkland Island S
175. t track T indi cates you should turn left R indicates you should turn right The degrees indicate the angle you are off course FROM WAIAVAAIAIT VMG Velocity Made Good The speed you are closing in on a destination along a desired course Also referred to as the vector velocity to your destination 109 Appendix H The chart below gives an approximate UTC Universal Time Coordinate time offset for the various longitudinal zones Check with local charts for more detailed information If you are in daylight savings time add one hour to the offset Time Offsets Longitudinal Zone Offset Longitudinal Zone Offset W180 0 to W172 5 12 E007 5 to E022 5 1 W172 5 to W157 5 11 E022 5 to E037 5 2 W157 5 to W142 5 10 E037 5 to E052 5 3 W142 5 to W127 5 Q EDIL O E00 13 4 A simple way to determine your local time offset is how W127 5 to W112 5 8 E067 5 to E082 5 5 many hours you are behind or ahead of UTC also called W112 5 to W097 5 7 F082 5 to E097 5 lt 6 Greenwich or zulu time l l Example EST Eastern Standard Time is 5 hours behind W097 5 to W082 5 6 E097 5 to E112 5 UTC so your offset would be 5 Adding one hour for W082 5 to W067 5 5 EIS toras 8 daylight savings would make EDT Eastern Daylight Time 4 Subtract an hour for each time zone as you travel W067 5 to W052 5 4 EL Or 2 9 a W052 5 to W037 5 3 E142 5 to E157
176. ter a new waypoint coordinates manually from a chart etc Delete Show Map MT 1631 Y tK E T EN 7 Waypoint 2 y ioe e waypoint with the default name and symbol press ENTER to confirm the highlighted ENTER to enter a new K o i symbol name comment N 3851 337 Deti 3 To enter a different name highlight the name field and press ENTER then use the ARROW or depth pe eee Boa KEYPAD to enter the new letters numbers and press ENTER when done You may use up to 10 0 0 116 alphanumeric characters for the name 4 To enter a different symbol highlight the symbol field to the left of the name and press ENTER Delete Show Map OK Sr then use the ARROW KEYPAD to highlight the new symbol and press ENTER 5 To enter optional comments or a depth highlight the appropriate field and press ENTER then use 44 the ARROW KEYPAD to enter a value and press ENTER 6 To manually enter a set of coordinates highlight the coordinates and press ENTER then use the ARROW KEYPAD to enter the new coordinates and press ENTER when done Reference 7 When done use the ARROW KEYPAD to highlight the OK prompt and press ENTER to save the l waypoint into memory Creating Waypoints Creating Waypoints Graphically Waypoints may also be quickly created with the Map Page cursor which allows you to point Eoo lope STAT and shoot at any map position or map feature to create a new wayp
177. the DGPS Revr field displays Off The SNR will depend upon the Main Menu GPS Tab mounting of your DGPS receiver and the distance from the DGPS transmitting station The GPS Info tab features an options menu that provides access to functions and features relating to the GPS Info display COR Ren 3D Mana The following options are available by pressing MENU on the GPS Info Tab of the Main Menu e 7 0 9 Points Differential e Start Stop Simulator toggles the unit simulator on or off Retail Demo mode will restore factory Trak US Start Simulator settings to the unit if left unattended for over 2 minutes This mode should only be used for display oad purposes User waypoints will NOT be deleted pase AutoLocate Map Initialize Position e WAAS On WAAS Off toggles the WAAS capability of the receiver on or off Tone IES r e Track Up North Up allows you to select between a north up or track up sky view display for the GPS Info display only e AutoLocate allows the receiver to locate your position automatically This process can take up to GPS Tab Options Menu five minutes e Initialize Position allows you to initialize the receiver graphically on the Map Page to initially help the receiver acquire more quickly See pages 4 5 for instructions on initialization e Set 2D Elevation allows you to manually enter the elevation when in
178. the list of maps To select deselect a map highlight the check box to the left of the name of the desired map Press ENTER to select deselect the map The map is selected and will be displayed on the Map Page when an Y appears in the box adjacent to that map You may also press MENU and choose to Show All or Show None and press ENTER To display detailed information and notes for each area highlight the desired name and press ENTER To view the notes for that area choose Show Notes To scroll through the notes you may either highlight the notes press ENTER and press UP DOWN on the ARROW KEYPAD or press MENU choose the desired scroll option and press ENTER To exit the notes highlight Next to view the notes for the next map area or highlight Map List to return to the map list and press ENTER Press QUIT to exit Waypoints Tab Waypoints Active Route Reference Text None Small Medium and Large controls the screen size of the name Zoom Auto Off 20 ft 800 ft 0 2 nm 800 nm sets the maximum scale at which the feature M ap Pag e Opti ons appears on the screen Some types of data will only show up to certain zoom scales Points Tab Spot Soundings Tide Stations Services Navaids General Source TTTITIA Points Text None except Spot Sound Small Medium and Large controls the screen size of the name PE Med Auto aypoints Zoom Auto On Spot Soundings only Off 20 ft
179. ther Location and press ENTER If you wish to reference a Find item select from the Find list and press ENTER The location the unit is using appears in the At field The timetables displayed will be based upon your current time zone When using a position from another location outside of your time zone you will need to set the Time Zone for that location in the Time tab of the Main Menu see page 77 To change the time or date 1 From the Celestial tab use the ARROW KEYPAD to highlight the date or time field and press ENTER 2 Enter a new date or time and press ENTER 3 To return to the current date and time press MENU use the ARROW KEYPAD to highlight Use Current Date and Time and press ENTER To change the skyview orientation 1 From the Celestial tab press MENU then use the ARROW KEYPAD to highlight North Up or Track Up and press ENTER Points Tab contains the User and Proximity waypoint lists See pages 50 52 Reference Route Tab contains a list of available routes See pages 57 63 Track Tab lets you specify whether or not to record a track log an electronic breadcrumb trail Main Menu Track Tab recording of your path define how it is recorded or save track log data for future use The Track Tab also provides an indicator of the memory used for the active track log and options to clear the track sta
180. ting 1 Select an adjustment option to change using one of the two methods described above The adjust ment window will automatically timeout and disappear when idle for 20 seconds 2 Press the ARROW KEYPAD UP DOWN to place the pointer or setting bar at the desired setting range or percentage Off 1 100 3 Press ENTER or QUIT to exit the adjustment window or press LEFT RIGHT on the ARROW KEYPAD to view another adjustment window Zoom adjustment options To change a setting back to Normal or Auto 1 On the adjustment window for the desired option press MENU 2 Select the desired setting and press ENTER For detailed information on the functions and options of the Sonar Page see pages 33 39 To learn more about how sonar works see Appendix I 15 Getting Started Now that we re navigating to an actual destination lets move on to the GPSMAP 188 188C 238 Sounders navigation pages by pressing the PAGE key Compass Page Numbers Page Compass Page The Compass Page provides graphic steering guidance to a destination waypoint with an emphasis on the bearing to your destination and current direction of travel The middle of the page features a rotating compass ring that shows your course over ground track while you re moving and a bearing Compass pointer that indicates the direction of the destination bearing relative to the course over ground Ring The compass ring and pointer arrow work independent
181. tomatically highlighted Choose Show Map and press ENTER to view the point on the map then press QUIT to return to the Waypoint Point Review page With OK highlighted press ENTER to add the point to the route 7 Repeat steps 4 6 until the desired route points have been entered Press QUIT to return to the Route List page Y Select Waypoint pen ale Following a Route 006 Choose a waypoint J rom l 004 i Once a route has been created it can be activated and used for navigation with the NAV key A H me or 005 route may be followed in the same sequence as it was originally created or inverted and followed from a 007 the end point back to the beginning point 7 po To activate and follow a route 7 El 1 From any page press the NAV key then using the ARROW KEYPAD highlight Follow Route and GARMIN press ENTER If you highlight a route from the Route List or Route Review page and press NAV i F the window will automatically display Follow lt the route name gt 58 2 Highlight the route you wish to navigate and press ENTER Reference 3 Choose Activate or Invert and Activate and press ENTER Activate will use the route as is Invert and Activate will reverse the route then activate it Route List Page To deactivate stop navigation of a route 1 Press the NAV key highlight Stop Navigation and press ENTER
182. top the move process press QUIT Waypoint Edit Page 4 With the pointer at the desired position press ENTER To return to the Waypoint Edit Waypoint Review page press QUIT On the Show Map map display an additional option is available by pressing MENU e Point to on Map Page returns to the highlighted waypoint on the Map Page exits the Waypoint Review Waypoint Edit Page 49 Reference Waypoint Lists Map GARMIN Hiwa a GRMEUR Sonar GRMPHX Dis GRMTWN Comm LIGHT 2983 Available 17 Used Main Menu Points Tab Options Menu 50 Submenu Tabs UPS User Proximity 004 005 ime Delete Waypoint Map Delete All ane Delete By Symbol ENO for Main Menu GRMPHX GRMTWN LIGHT 2983 Available 17 Used Waypoint Lists The GPSMAP 188 188C 238 Sounders Main Menu Page features two waypoint submenu tabs User and Proximity that let you manage a large number of waypoints quickly and efficiently The submenu tabs also provide a continuously updated proximity waypoint alarm function that can be used to define an alarm circle around submerged hazards shallow waters etc To access the waypoint submenus of the Main Menu 1 Press MENU twice highlight the Points tab using the ARROW KEYPAD then highlight the desire
183. ts Compass Numbers Highway and Active Route pages only Leics GPS tafe Comer e Basic Fishfinder selects Sonar page only Tre rene gt e Defaults selects all pages Ce merse Y e To Jump To a specific page ee as oe L Hiway Active Route Page Jump To 1 Use the ARROW KEYPAD to highlight the Jump To button to the right of the desired page and e ate 7 Jasa press E NTE R Units The checkboxes turn pages on off To set the first page Melero directly to that page 1 Use the ARROW KEYPAD to highlight the First page option and press ENTER Highlight the page you wish to appear first and press ENTER ne Sa 83 Reference Main Menu Temp Tab System Tab GPS Water Temperature Log Trip Temperature Scale Celes Auto s Time Duration Track 10 Minutes Time Reset Auto Scale Main Menu Temp Tab Main Menu System Tab Normal Mode 84 Time Duration Temperature Scale GPS Beeper Tide Key and Alarm Celes Speed Filter Points Auto Language pse English Card System Mode Time GPS Only Units System Information _ Comm Map Tab contains setup options for the Map Page See pages 29 32 Hiway Tab contains setup options for the Highway Page See pages 42 43 Temp Temperature Tab displays the water temperature log if equipped
184. uality mea sured on a scale of one to ten lowest numbers the best highest numbers the poorest Accuracy uses DOP and other factors to calculate horizontal position accuracy in feet or meters 09 Reference Main Menu GPS Tab HEN Ready 3D Differential Tide Accuracy DOP 0 9 Points Differential Using WAAS When the GPSMAP 188 188C 238 Sounder is using a differential correction signal either WAAS or DGPS a D is displayed at the bottom of the signal strength indicator bars for the satellites that are corrected 10 The status field will show one of the following conditions Looking For Satellites the receiver is looking for any satellites AutoLocate the receiver is looking for any satellite whose almanac has been collected This process can take up to five minutes Acquiring Satellites the receiver is looking for and collecting data from satellites visible at its last known or initialized position but has not collected enough data to calculate a fix 2D at least three satellites with good geometry have been acquired and a 2 dimensional position fix latitude and longitude is being calculated 2D Differential appears when you are receiving DGPS corrections in 2D mode and a D will show on the strength bar of satellites being corrected 3D at least four satellites with good geometry have been acquired and your position is now being calculated in
185. urse The desired course between the active from and to waypoints Distance Dist The great circle distance from present position to a destination waypoint Distance to Destination The great circle distance from present position to a Go To destination or the final waypoint in a route Distance to Next The great circle distance from present position to a Go To destination or the next waypoint in a route Elevation Height above mean sea level MSL ETA Estimate Time of Arrival The estimated time you will reach your destination waypoint based on current speed and track ETA at Destination The estimated time you will reach a Go To destination or the final waypoint in a route ETA at Next The estimated time you will reach a Go To destination or the next waypoint in a route Fuel The fuel required to travel from present position to the indicated route waypoint Leg Dist The distance between two route waypoints Leg Fuel The fuel required to travel from a route waypoint to the next waypoint in sequence in the route Leg Time The time required to travel from a route waypoint to the next waypoint in sequence in the route Max Speed The maximum second by second speed recorded since last reset Moving Average Speed Average speed while the unit is moving Moving Trip Timer Total time the unit has been moving Odometer A running tally of distance travelled ba
186. wn to create a new route point 62 Routes Highlight the route leg on which you wish to insert a waypoint and press ENTER GPSMAP TOUR The GPSMAP 188 188C 238 Sounders route edit mode also allows you to insert a new route point in any route leg using the map cursor To insert a new point between two existing route waypoints la 2 4 Use the ARROW KEYPAD to select the leg in which you want to insert the new waypoint the route line will highlight and change to a dotted line when the leg is selected and press ENTER Move the cursor to the new map position existing waypoint or map item You will see ADD below the arrow and the route lines will move with the arrow and press ENTER If you are not inserting an existing point press ENTER to confirm the new waypoint Press QUIT to return to the Route Review page e Add Before Insert a waypoint into the route points list To insert a point into the route 1 From either the Route Review or Active Route pages use the ARROW KEYPAD to highlight the point you wish to insert the new point before and press MENU Highlight Add Before and press ENTER From the Find menu highlight Waypoints and press ENTER You may also choose from other points such as Cities Tide Stations etc from this list Select the point you want and press ENTER twice See page 51 for searching for waypoints by name e Remove Remove a p
187. xisting Garmin or non Garmin transducer cables Following are some tips and basic installation instructions for some popular transducers Detailed installation instructions are provided in the transducer kits Some transducers may need to be installed by a professional marine installer Transom Mount Installation Transom Mount Transducer depth temp Mount the transducer cable cover Apply marine sealant to all well above the waterline screw threads to prevent water from seeping into the transom a Transducer should extend 1 8 below fiberglass hull or 3 8 below aluminum hull Make sure that the transducer is below water level when the boat is on plane at high speed Do not mount transducer directly in the path of the prop The transducer can cause cavitation that may degrade the boat s performance and damage the prop Mount the transducer parallel with the bottom Appendix A Mounting the Transducer DO NOT mount the transducer behind strakes struts fittings water intake or discharge ports or anything that creates air bubbles or causes the water to become turbulent It is important that the transducer be in clean non turbu lent water for optimal performance 97 Appendix A Mounting the Transducer Weight transducer to hold it in place PVC Pipe or a Can Fill Pipe or Can with water or a l
188. y default You may also search from other locations When you press FIND a list of available items to search from appears The default items are Waypoints Cities Tide Stations and Transportation Additional items such as Anchorages Businesses Exits Navaids Restricted Areas E Wrecks Obstructions etc are displayed depending on the optional BlueChart or MapSource data card Cities inserted into the unit If you pan around on the Map Page and press FIND the unit centers its search bx Lada O from the point where the cursor is located When using BlueChart or MapSource data your position or Find Items List Aber uty beats From the Current the map pointer must be within the map outline area to search for information from that area ocation To find a waypoint or other item from your current location 1 From any page press FIND 2 Using the ARROW KEYPAD highlight the desired category trom the list and press ENTER 3 For Waypoints and Cities you may search using By Name or Nearest Use the ARROW KEYPAD to highlight the desired tab For By Name you may use the top field to spell out the name or scroll down through the list To find a waypoint or item from another location 1 Once the search results list is displayed for a particular item press MENU 2 Highlight Nearest to Other and press ENTER if you are actively following a route you may also Tree cite choose Nearest to Next or
189. your GPSMAP 188 188C 238 Sounder to external NMEA devices a DGPS beacon receiver a personal computer another Garmin GPSMAP 188 188C 238 Sounder etc If a DGPS receiver is used WAAS Main Menu Comm Tab capability will automatically be turned to Off The unit supports two input output ports See page 95 for more information on wiring and NMEA information Individual Port settings are GPS port 1 Port 2 i l Tide i ort x Trip Serial Data Format Celes GARMIN Data Transfer e Garmin Data Transfer the proprietary format used to upload download MapSource data exchange Points Rear oer A i Route waypoint route track almanac and proximity data with a PC or another Garmin GPSMAP Track Host 188 188C 238 Sounder When you select Garmin Data Transfer there are 11 Transfer Modes to SA choose from Host Request Almanac Request Proximity Request Routes Request Tracks Request Waypoints Send Almanac Send Proximity Send Routes Send Tracks and Send Waypoints e NMEA In NMEA Out supports the input output of standard NMEA 0183 data and sonar NMEA input support for the DPT MTW and VHW sentences Data Transfer Progress e None provides no interfacing capabilities Port 2 e Garmin DGPS used to connect the GPSMAP 188 188C 238 Sounder with a Garmin DGPS beacon receiver Oth
190. ype of contact is like a phone call but no emergency alarms are set off and the call is specific to the receiver Position Reports are not broadcasted to all DSC users Reference Main Menu DSC Tab Distress Call Message GPS Call List Log Directory Setup Tide Irie DSC On DSC Position Report MMSI 2 000000001 Receiving Time 24 JUN 03 03 57 02 From Current Position 8970 16351 0 357 1D HY 49238 6 Delete Show Map Create Wpt Comm GPS call List Log Directory Setup Tide Trip psc On Distress Call E 000000001 Receiving Time 24 JUN 03 03 56 14 From Current Position 8970 16351 0 357 1D HY 49238 6 Delete Show Map CZATA ft Distress Call A ENTER J Position Report Message 19 Reference Main Menu DSC Tab Tide Call List Log Directory Setup DSC Entry Review MMSI 000000001 Receiving Time 24 JUN 03 03 57 02 krom Current Position DSC Log 80 DSC Entry Review Call List EF Directory Setup we pe e e E 000000001 ESA 000000001 ES 03 56 14 2 20 OS 000000001 ES 000000001 i 8 17 96 Available 4 Used DSC Call List The DSC Call List displays the current calls received The GPS can manage up to 50 calls When c

Garmin 188 GPS Receiver User Manual

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