User Manual - Digital Yacht
Contents
1. Sittin ae Diagnostics Other Vessels Messages Options Software update Serial data Rosalie GPS foeked GPS Satellite Signal Levels Latitude 50 51 307N Longitude 001 08 079W Course over ground NA Speed over ground 0 014kn UTC Time 08 52 50 Satellites in view 9 Satellites in use 7 C No dBHz Mode Autonomous Satellite being used for navigation E Satellite not used for navigation 19 20 33 E 332 22 28 11 HOGG OF OG a WAAS EGNOS satelite Satellite ID Connected 38400 Baud 19 03 10 08 52 50 UTC Satellite signal strength bars are shown in green for satellites that are currently being used for navigation Blue signal strength bars are used to show satellites not currently being used for navigation It is normal for the graph to display a combination of green and blue bars The information on this tab is intended for use during installation of the AIS transponder in order to verify connection of the GPS antenna Page 33 DIGITAL YACHT LTD Diagnostics tab The diagnostics tab shows key status information from the AIS transponder This information can be used to quickly verify that the transponder has been installed correctly and is operational masom a a aca File Options Help Select serial port Configuration GPS status Other Vessels Messages Options Software2. DIGITAL OOOO oo YACHT User Manual VERSION 1 06 AIT1000 Class B AIS Transponder Part Number ZDIGAIT1000 Mim OS Wing 4 MM yyy IA MN iy A C 2 a LT Doc Ref AIT1000 User Manual V1 06 Questions Call the support line 01179 114 111 DIGITAL YACHT LTD General Warnings All marine Automatic Identification System AIS units utilise a satellite based system such as the Global Positioning Satellite GPS network or the Global Navigation Satellite System GLONASS network to determine position The accuracy of these networks is variable and is affected by factors such as the antenna positioning how many satellites are used to determine a position and how long satellite information has been received for It is desirable wherever possible therefore to verify both your vessels AIS derived position data and other vessels AIS derived position data with visual or radar based observations The compass safe distance of this unit is 0 5m or greater for 0 3 deviation In accordance with a policy of continual development and product improvement the AIT1000 hardware and software may be upgraded from time to time and future versions of the AIT1000 may therefore not correspond exactly with this manual When necessary upgrades to the product will be accompanied by updates or addenda to this manual Please take time to read this manual carefully and to understand its contents fully so that you can install and operate y
3. Serial Data tab During log file playback only data recorded in the log is available and most buttons in the application will be inoperative The Open log file option is not available whilst a serial connection is made Please disconnect from the AIS transponder to enable this option wo Options Help Open log file Exit Under the Options menu item checking Beep on AIS Transmission will cause the PC to emit a sound every time the connected AIS unit transmits The Force connection option is used for diagnosing connection issues and should be left unselected This feature should be used under guidance from your technical support contact Beep on AIS Transmission Force connection The Help gt About menu item displays the program splash screen and version information Page 29 DIGITAL YACHT LTD Static Data Tab This tab shows the current configuration of the AIS transponder and allows the configuration to be programmed during installation into a vessel When an un configured AIS transponder is connected for the first time the display will be similar to that shown below Tm Sans File Options Help k Select serial port om Camea Configuration GPS status Diagnostics Other Vessels Messages Options Software update Serial data Ship s Name j Vessel type 37 Vessel Pleasure craft E Call Sign Configure baud rates MMSI Number
4. Configuration tab o Displays the Static data for the connected AIS transponder This includes the vessel s name call sign MMSI number and other fixed information o Allows editing of the static data GPS Status tab o Shows the status of the internal GPS receiver including position fix data and satellite signal strength graph Diagnostics tab o Shows the status of key system diagnostics Used to troubleshoot installation of the transponder and verify correct operation Other Vessels tab o Shows information about other vessels in the area received from the AIS transponder Page 27 DIGITAL YACHT LTD e Messages tab o Displays safety related messages received from other AIS equipped vessels e Options tab o Provides access to software controlled features of the AIT1000 AIS transponder e Software update tab o Provides facilities to upgrade the transponder software from an update file e Serial Data tab o Shows the raw NMEA serial data being generated by the transponder Provides a facility to log this data to a file for later analysis o Allows NMEA commands to be sent to the transponder Subsequent sections describe the functions of each tab in more detail Page 28 DIGITAL YACHT LTD Menu Bar The menu bar provides basic program options Under the File menu the Open log file option allows playback of a log file previously recorded using proAlS A log file can be recorded using the tools provided on the
5. distance from the port side to the GPS antenna location to the nearest meter o Dimension D distance from the GPS antenna to the starboard side to the nearest meter e Select the most appropriate vessel type from the drop down menu e Anexample showing typical data values is shown below Tp om O E File Options Help Select serial port Configuration GPS status Diagnostics Other Vessels Messages Options Software update Serial data Ship s Name TEST 00001 Vessel type 37 Vessel Pleasure craft Call Sign TEST 01 Configure baud rates MMSI Number 000000001 i RS232 baud rate NMEA Output baud rate NMEA input baud rate os ba00 Ship s dimensions amp GPS Antenna location Switch function Press switch to send Safety Related Message Make extemal switch to enable silent mode 5 Press switch to toggle silent mode GPS Antenna Switch has no function Save data to AIS Vv Connected 38400 Baud 19 03 10 08 47 27 UTC CAUTION If no MMSI is entered MMSI is set to 000000000 then the AIS transponder will operate in receive only mode The vessels own position will not be transmitted An MMSI must be entered to allow the AIS transponder to transmit its own position to other vessels If you are connecting another NMEA0183 device to the AIT1000 such as a compass and wish this data to be multiplexed merged with the AIS data output by the AIT1000 then set the
6. 10 UTC and data inquiry INFO 11 UTC and data response INFO 13 safety related ack INFO Page 14 DIGITAL YACHT LTD VDL Message number VDM Message description 15 interrogation INFO 16 assignment mode command INFO 17 DGNSS corrections INFO 20 data link management INFO 22 channel management INFO Note that messages 5 and 19 may be sent as multi part messages VHF data link own vessel messages NMEA 0183 VDO This message describes the own vessel message being sent VDO Message Format VDO x1 x2 x3 a S S x hh lt CR gt lt LF gt Where e x1 Total number of sentences needed to transfer the message 1 to 9 e x2 Sentence number 1 to 9 e x3 Sequential message identifier 0 to 9 e a AIS Channel A or B e s s Encapsulated ITU R M 1371 radio message 4 e x Number of fill bits O to 5 VDO Message number VDO Message description AIS Target Display Information 13 Safety Related Acknowledgement 18 Standard Class B position report Includes MMSI SOG position accuracy lat long COG true heading 24a Class B CS Static data Part A Includes MMSI and vessel name 24b Class B CS Static data Part B MMSI ship type cargo type call sign ship dimensions Regional Assignment Channel Assignment Message NMEA 0183 ACA An AIT1000 unit can receive regional channel management information in two ways ITU R M 1371 message 22 or a DSC telecommand received on channel 70 ACA Message For
7. 449 0 45 2118 1 8 166 235069877 WIGHT RYDER II 2BWG7 Not available Not available 235013375 PILOT V L HASLAR MCLNG 50 45 033 14 7748 308835000 PRIDE OF BILBAO C6MF8 61 50 48 6702 1 5 7198 235073846 PORT OF SPAIN 2CLP9 0 50 48 303 1 5 9994 232002939 SD POWERFUL GAAG 342 50 48 5994 1 6 339 235066825 SD SOLENT SPIRIT 2AON8 356 50 48 03 1 6 6198 308094000 COMMODORE CLIPPER C6QQ3 306 50 48 7452 1 5 6712 Connected 38400 Baud 19 03 10 08 53 22 UTC Page 38 DIGITAL YACHT LTD Messages tab This tab displays safety related messages received from other AIS equipped vessels in the area The tab displays two message types e Addressed Safety Related Message VDL Message 12 e Broadcast Safety Related Message VDL Message 14 The UTC time the message was received along with the MMSI of the sender will be displayed along with the text contents of each message Tr a a Se File Options Help ee o o oou com3 Connect Configuration GPS status Diagnostics Other Vessels in Options Software update Serial data Time UTC From MMSI Message type Message contents Connected 38400 Baud 19 03 10 08 55 10 UTC Page 39 DIGITAL YACHT LTD Options tab The Options tab provides access to software controlled features of the AIT1000 transponder Depending on the AIS software version the following comma
8. THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE This software uses components and source code developed by other companies or groups Microsoft Net Framework V2 0 Copyright 2005 Microsoft Corporation ZedGraph Graphing component dll http zedgraph org Provided under the GNU Lesser General Public License All trademarks mentioned in this document are the property of their respective owners Copyright 2008 Digital Yacht Ltd Page 24 DIGITAL YACHT LTD Installation guide Prerequisites The proAlS application is designed to operate with Microsoft Windows 2000 XP Vista and Windows 7 Recommended minimum system requirements are e Microsoft Windows XP SP2 e Display resolution of at least 1024 x 768 e Atleast one USB port This software uses the Microsoft Net Framework V2 0 The framework will be automatically installed during setup if not already present on the system Setup 1 Insert the installation CD and locate the Setup exe file 2 Double click the Setup exe file to begin the installation 3 Follow on screen prompts to install the Net framework if required 4 When the security warning below is displayed select Install Application Install Security Warning Publisher cannot be verified Are you sure you want to install this application Name p
9. e Personality programming messages e Alarm acknowledgement messages ACK Page 13 DIGITAL YACHT LTD Power up messages On power up the unit will report details of the firmware versions residing in the unit VHF data link messages NMEA 0183 VDM Receipt of a VHF Data Link VDL message on either AIS radio channel causes a VDM message to be output on both communication ports NMEA and USB Please see IEC 61193 2 Annex B for a list of messages VDM Message Format VDM x1 x2 x3 a S S x hh lt CR gt lt LF gt Where e x1 Total number of sentences needed to transfer the message 1 to 9 e x2 Sentence number 1 to 9 e x3 Sequential message identifier 0 to 9 e a AIS Channel A or B e s s Encapsulated ITU R M 1371 radio message e x Number of fill bits O to 5 VDM Message Types For example the information contained in the s s portion of the VDM Encapsulated ITU R M 1371 radio message Note that messages 5 and 19 may be sent as multi part messages using the x1 x2 and x3 parameters for message sequence control VDL Message number VDM Message description AIS Target Display Information 192 3 9 18 21 position report 4 base station report 5 voyage related data 19 Class B extended data Safety message handling 12 addressed safety related 14 broadcast safety related External Application handling 6 binary addressed 8 binary broadcast System control 7 binary acknowledge INFO
10. that this operation may result in a temporary loss of GPS fix LED Status This section mirrors the LED display on the front of the AIS transponder and is useful when the unit is installed in a location where the physical LEDs are not easily visible Internal Data This section provides internal diagnostics data from you re AIS transponder Your dealer may request this information if diagnosing any problems with your installation Supply voltage is a very important factor in the correct operation of the AIT1000 this value should always be above 10 8v otherwise the AIT1000 will start transmitting alarm messages as correct operation cannot be guaranteed If this value is low ensure that your 12v supply is producing enough voltage and that there is not excessive voltage drop in the power cables The RRSI Received Signal Strength Indicator and TX Power values are good indicators of how well your antenna is receiving and sending data e _RRSI values should be between 20 and 100 if they are continually lower than this there may be a problem with the antenna or AIT1000 receiver e TX Forward Power should be as high as possible typically between 130 150 e TX Reverse Power should be as low as possible typically between 10 30 Statistics This section shows the number of AIS messages received and transmitted on each of the AIS channels You can use this information to verify that the transponder is successfully receiving and transmitting d
11. therefore possess a current VHF radiotelephone licence which lists the AIS system and the vessel Call Sign and MMSI number Please contact the relevant authority in your country for more information In accordance with a policy of continual development and product improvement the AIT1000 hardware and software may be upgraded from time to time and future versions of the AIT1000 may therefore not correspond exactly with this manual When necessary upgrades to the product will be accompanied by updates or addenda to this manual Please take time to read this manual carefully and to understand its contents fully so that you can install and operate your AIS system correctly Information contained in this manual is liable to change without notice Digital Yacht Ltd disclaims any liability for consequences arising from omissions or inaccuracies in this manual and any other documentation provided with this product DISCLAIMER THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY
12. update Serial data AIS Transceiver status AIS Transceiver information Statistics Transceiver MMSI valid vA AIS software version 10 11 13 Received messages 935 x channel A GPS Position Fix S FPGA version 5 Received AIS has transmitted a position report Y GPS firmware version 901 annel AIS has received a position report Pa Transceiver serialnumber 52387638 i sg messages 1 channel A Indicator status AIS Transceiver active alarms TX Transmitted POWER TIMEOUT ERROR STATUS messages 0 O channel B UY L a Reset Statistics intemal data Supply voltage 13 72 V Transmitter status intemal 6V supply 5 85V Intemal 3V3 supply 3 29V d Enabled RSSI Rx 1 63 RSSI Rx 2 70 TX Forward power 148 TX Reverse power 3 Connected 38400 Baud 19 03 10 08 50 23 UTC AIS Transponder Status e A tick next to the items in this area indicates correct operation e Ifa red cross is shown then some action may be required o Transponder MMSI valid has a red cross check the MMSI of the unit is configured by selecting the Static Data tab and verifying that a valid MMSI has been entered If the MMSI is 000000000 then it has not been programmed o GPS position fix has a red cross the GPS has not acquired a position fix Please allow up to 5 minutes for a fix to be acquired If the red cross is still present check the GPS antenna is correctly connected and has a clear view of the sky o AIS has transmitted a position report has a red cr
13. 000000000 RS232 baud rate NMEA Output baud rate NMEA input baud rate 38400 _ 38400 v Match output Ship s dimensions amp GPS Antenna location Switch function 5 Press switch to send Safety Related Message Make extemal switch to enable silent mode 0 m Press switch to toggle silent mode GPS Antenna Switch has no function Save data to AIS VY Connected 38400 Baud 19 03 10 08 43 25 UTC _ Configuring the transponder To configure the transponder all of the data fields must be completed and saved to the AIS CAUTION For security reasons the MMSI of the vessel cannot be changed once programmed Do not programme the MMSI unless you are certain you have the correct information Please check the number entered carefully If the MMSI programmed is incorrect the AIS transponder will need to be returned to the supplier for factory reset Page 30 DIGITAL YACHT LTD Configuring the transponder continued Enter the vessels information in the appropriate box e Ship s name enter the name of the vessel 20 characters maximum e Call Sign enter the vessel s radio call sign 7 characters maximum e MMSI number enter the vessel s Maritime Mobile Service Identity number e Enter the vessels dimensions as follows o Dimension A distance from bows to GPS antenna location to the nearest meter o Dimension B distance from the GPS antenna location to the stern to the nearest meter o Dimension C
14. 6A Even when mounted at deck level this antenna should provide range in excess of 10NM and with some consideration given to the routing of the cable and location of the AIT1000 during installation can be used as a backup to the main VHF antenna in event of failure or dismasting Page 18 DIGITAL YACHT LTD IMPORTANT Do not cut or splice this cable unless you are qualified to refit a BNC connector The supplied connector is moulded on and cannot be refitted The cable should not be shortened or lengthened If an alternative VHF antenna is to be employed for AIS use e Must be a dedicated antenna i e not shared with any other VHF transmitter receiver e Must be suitable for marine shipboard applications index of protection ruggedness means of mounting etc e Should be omni directional and vertically polarised with maximum gain of 3dBi and bandwidth sufficient to maintain VSWR lt 1 5 over the frequency range 156 163 MHz As a minimum the 3dB bandwidth must cover the two AIS channels and the DSC Channel e Should be mounted with at least a two metre vertical separation distance from any other VHF antenna used for speech or DCS communication but see also the section Radio Frequency Exposure Warning below Warnings VHF Antenna Connection Connecting a badly mismatched VHF antenna leaving the VHF antenna port disconnected or shorting the VHF antenna port will activate the VSWR alarm cause the unit to stop sending pos
15. ITAL YACHT LTD Silent This is a blue LED which either indicates that a Safety Related Message has been transmitted or that the unit is in Silent mode The condition indicated by the blue LED is determined during configuration of the unit by the switch option selected Please refer to the Switch functions section of this manual for more detail e Transmission of a Safety Related Message is indicated by both the green and blue LEDs being illuminated Silent Status TX Power Silent Status TX Power Timeout Timeout e Silent mode is indicated by both the yellow and blue LEDs being illuminated Silent Status TX Power Timeout Silent Status TX Power Timeout Antennas The AIT1000 unit requires VHF and GPS antennae independent from those in use for other purposes Please see Appendix A for details of the antennae required and supplied as standard with the unit Maintenance WARNING Unauthorised opening of the AIT1000 system will invalidate the warranty CAUTION Avoid using chemical solvents to clean the AIT1000 as some solvents can damage the case material NOTE The AIT1000 contains no user serviceable parts Contact your Service Agent for repair if replacing the fuse fails to make the equipment serviceable Page 12 DIGITAL YACHT LTD Serial Data Interface Power Connection Data Connection There is an 8 Core Power Data Cable and a USB Cable that extend from the two glands on the bottom end of the AIT1000 housing T
16. MSK GPS HF IMO IEC LED LF LNA MF MKD MMSI MPE NMEA PC P AIS Regional Assignment Channel Assignment Message Acknowledgement AIS Channel management information source messages Audio frequency shift keying AIS Alarm Message Aid to Navigation Automatic Identification System Built In Integrity Testing Bayonet fitting type RF connector Carrier Sense Time Division Multiple Access Course over Ground Carriage Return Carrier Sense Carrier Sense TDMA Direct Current Differential Global Navigation Satellite System Digital Selective calling Global Navigation Satellite System Global Navigation Satellite System Gaussian Minimum Shift Keying Global Positioning Satellite System High Frequency International Maritime Organization International Electrotechnical Commission Light Emitting Diode Line Feed Low noise amplifier Medium Frequency Minimum Keypad and Display Maritime Mobile Service Identity Maximum Permissible Exposure National Marine Electronics Association Personal Computer Presentation Interface Page 21 DIGITAL YACHT LTD RF RTCM RFI SAR SMS SOG SRM SRT TDMA TNC TX UTC VDM VDO VHF VSWR Radio Frequency Radio Technical Commission for Maritime Services Commission Receive or Receiver Radio frequency interference Specific Absorption Rate Short Message System Speed over Ground Safety Related Message Software Radio Technology Time division Multiple Access Threa
17. NMEA input baud rate to 4800 Baud It is best to leave all other baud rates at 38 400 baud which is the standard high speed data rate used by AIS Page 31 DIGITAL YACHT LTD If you have connected a Remote Switch push button or toggle to the AIT1000 you will need to select the switch function you require before the remote switch can be used e Select the Press switch to send Safety Related Message option if you want to configure the unit to transmit an AIS Safety Related Message when the switch is pressed The switch must be pressed for two seconds to initiate this message which is broadcast with the vessels MMSI and the text MAYDAY MAYDAY Please note this should not be considered as a primary means of distress call Only works with a push button type switch e Select the Make external switch to enable silent mode option if you will use an external toggle switch for Silent mode control Whilst the switch is closed the transmitter is disabled and other vessels will not receive your position via AIS The receiver remains operational The amber LED will illuminate to indicate the transmitter is disabled e Select the Press switch to toggle silent mode if you will use a push button switch to toggle Silent mode on and off The switch must be held for two seconds to toggle the transmitter off or on When the transmitter is disabled other vessels will not receive your position via AIS The receiver remains operational The amber LED wi
18. ata when other AIS equipped vessels are in range Page 35 DIGITAL YACHT LTD Serial data tab This tab shows the raw NMEA 0183 serial data being output by the AIS A typical display is shown below File Options Help Sees eae COM3 Configuration GPS status Diagnostics Other Vessels Messages Options Software update proas com3 Y a eee IAIVDO 1 1 B00000 007vdq77AUouj7wWUsP06 0 00 a AIVDM 1 1 B B3P 7oCPO07vipi 7ASBLO3wW UkPO06 0 7B AIVDM 1 1 B 13M GB rEbOqve MSNs5c4PP0D12 0 07 AIVDM 1 1 A 13P84whP360s7FDM It 5egvP00SM 0 01 AIVDO 1 1 BO0000 007vdq77AUp 1gGw SsP06 0 71 S GPGBS 085716 00 5 4 4 4 8 3 46 AIVDM 1 1 4 33P 10P pwq31BM2J7V6DdP2Pvh 0 64 AIVDM 1 1 A 13P QdwO3iwr 74M3GTiOi lt PO0S6 0 3D AIVDM 1 1 A 33P 1MO01eOrM M3vB B N012 0 2A SGPRMC 085717 00 A 5051 30252 N 00108 08172 W 0 043 173 78 190310 A 75 AIVDM 1 1 B 13P9 lt PPOOwrL M Itw L vNO 0 22 AIVDO 1 1 BOOD00 007vdq7WAUpSdWw UsP06 0 66 AIVDM 1 1 A 14Rm2HOP bOs4 2M2Ih lt oav TOORV 0 69 AIVDM 1 1 B 34W lt tL1vhO0s SPLvBW W ROO00 0 21 AIVDM 1 1 A H4h gt WR4UDB1 gt C1CJ3 3000289340 0 6E AIVDM 1 1 A 13M GB pmcOqvL4M5Pk5e TNTO g 0 52 AIVDM 1 1 B 13P9 lt m21awraWPM2WTSaWIPOHj 0 39 IAIVDM 1 1 A 13Q6cF00290s 7n6LrEn3SRJVOOSH 0 74 AIVDO 1 1 BO0000 007vdq87AUp 5b wa5sP06 0 02 AIVDM 1 1 B 13P GQdw03wr M3GwGPQ lt TOHp 0 29 AIVDM 1 1 B 13P9 Dg0010r764M3
19. criptions presented are e AIS TX malfunction e AIS Antenna VSWR exceeds limit Page 16 DIGITAL YACHT LTD e AIS Rx channel 1 malfunction e AIS Rx channel 2 malfunction e AIS general failure e AIS no sensor position in use e AIS no valid SOG information e AIS no valid COG information e AIS 12V alarm e AIS 5V alarm e AIS Loss of serial interface integrity e AIS Background noise above 77dBm ACK messages Can be generated by a minimum keypad and display MKD unit chart plotter or other display device connected to the AIT1000 to acknowledge an alarm condition reported by the AIT1000 ACK message format ACK xxx hh lt CR gt lt LF gt Where e XXX unique alarm number Page 17 DIGITAL YACHT LTD Antenna connections There is a TNC female bulkhead connector located on the lower face of the AIT1000 housing This TNC connector is where the GPS antenna must be connected to and the AIT1000 is supplied with a compact patch GPS antenna with FME connector and 7 5m FME TNC connect cable As specified by the AIS Class B Transponder specification all units must have a built in GPS and cannot receive a position from other 3rd Party GPS units However it is possible to output the GPS and AIS data from the AIT1000 for use on a dedicated chart plotter or PC software package Installation of the GPS antenna is critical for the performance of the built in GPS receiver which is used for timing of the tra
20. d antenna or any standard marine VHF antennas having a maximum gain of 3dBi Antennas not included in this list or having a gain greater than 3dBi are strictly prohibited for use with this device The required antenna impedance is 50 ohms Licensing and Maritime Mobile Service Identity MMSI IMPORTANT In most countries the operation of an AIS unit is included under the vessel s marine VHF licence provisions The vessel on to which the AIS unit is to installed must therefore possess a current VHF radiotelephone licence which lists the AIS system and the vessel Call Sign and MMSI number An MMSI number is required in order for the AIT1000 transponder to operate Please contact the relevant authority in your country for more information Page 3 DIGITAL YACHT LTD Product Specification Parameter Dimensions Weight Power GPS Receiver AIS Internal Electrical Interfaces Connectors VHF Transceiver Output Power Channel Bandwidth Channel Step Modulation Modes Bit rate RX Sensitivity Environmental Indicators Operator Controls Standards Value 250 x 155 x 37 5 mm L xW x H 1450g DC 10 8 15 6V Average power consumption 4W Peak current rating 2A IEC 61108 1 compliant USB 38 4k Baud bi directional RS422 NMEA 38 4kBaud bi directional VHF antenna connector GPS antenna connector USB type A Connector NMEA In NMEA Out External Switch Power cable Transmitter x 1 Receiver x 2 One receiver t
21. ded type BNC connector Transmit or transmitter Universal Time Co ordinated AIS VHF Data Link Messages AIS VHF data link own vessel messages Very High Frequency Voltage Standing Wave Ratio Page 22 DIGITAL YACHT LTD User guide AIT1000 proAlS Application Note proAlS is intended as a dealer application for programming and diagnostic testing of the AIT1000 It can also be used with an on board PC for real time data viewing Page 23 DIGITAL YACHT LTD GENERAL WARNINGS All marine Automatic Identification System AIS units utilise a satellite based system such as the Global Positioning Satellite GPS network or the Global Navigation Satellite System GLONASS network to determine position The accuracy of these networks is variable and is affected by factors such as the antenna positioning how many satellites are used to determine a position and how long satellite information has been received for It is desirable wherever possible therefore to verify both your vessels AIS derived position data and other vessels AIS derived position data with visual or radar based observations The proAlS application is intended for use as an installation and configuration tool The application is not a navigation tool and should not be used as such LICENSING IMPORTANT In most countries the operation of an AIS unit is included under the vessels marine VHF licence provisions The vessel on to which the AIS unit is to installed must
22. hese two cables are approximately 0 75m long Power 12V DC 9 6 15 6V is connected to the AIT100 transponder via the Red and Black wires in the 8 Core Power Data Cable Data A minimum keypad and display MKD unit chart plotter or other display device may be connected to the AIT1000 OEM unit via the NMEA Output wires in the AIT1000 Power Data cable The default baud rate of the data link is 38 4kBaud with 8 data bits one stop bit and no parity No handshaking is used The data interface conforms to IEC 61162 1 VDM VDO ACA ACS ALR TXT and ACK messages conform to NMEA 0183 Please refer to the International NMEA 0183 Standard for full details of these AIS messages Serial Port and USB Port Input Output The AIT1000 has two communication ports one NMEA 0183 and the other USB Data can be input from either or both ports The two communication port interface s output e At power up boot loader and main application splash text screens including version numbers and memory status e As a VHF Data Link Message VDM all incoming VHF Data Link VDL data received by the AIT1000 e The VHF data link own vessel VDO messages sent by the AIT1000 over the VHF Data Link e AIS regional channel assignment messages ACA received These are derived from an incoming VHF Data Link message message 22 or a DSC message e AlS channel management information source ACS messages e Alarm messages ALR TXT The data interface will accept
23. ications could result in permanent damage to the equipment and void your warranty and you re authority to operate this equipment under Part 15 regulations RF Emissions Notice Caution The AIT1000 Class B AIS transponder generates and radiates radio frequency electromagnetic energy This equipment must be installed and operated according to the instructions contained in this handbook Failure to do so can result in personal injury and or product malfunction Caution Never operate the transponder unless it is connected to a VHF antenna To maximise performance and minimise human exposure to radio frequency electromagnetic energy you must make sure that the antenna is mounted at least 1 5 meters away from the transponder and is connected to the transponder before power is applied The system has a Maximum Permissible Exposure MPE radius of 1 5m This has been determined assuming the maximum power of the transponder and using antennas with a maximum gain of 3dBi Page 2 DIGITAL YACHT LTD e The antenna should be mounted as high above the deck as possible e Higher gain VHF antennas will require a greater MPE radius e Do not operate the unit when anyone is within the MPE radius of the antenna unless they are shielded from the antenna field by a grounded metallic barrier e The antenna should not be collocated of operated in conjunction with any other transmitting antenna This device has been designed to operate with the supplie
24. ime shared between AIS and DSC Frequency 156 025 to 162 025 MHz in 25 kHz steps 33dBm 1 5 dB 25kHz 25kHz 25kHz GMSK AIS TX and RX 25kHz AFSK DSC RX only 9600 b s 50 ppm GMSK 1200 b s 30 ppm FSK Sensitivity 107dBm 25kHz Message Error Rate 20 Co channel 10dB Adjacent channel 70dB IMD 65dB Blocking 84dB IEC 60945 Operating temperature 25 C to 55 C IEC 62287 Section 5 Cat c exposed to the weather Power TX timeout status pre set SRM sent Optional pre set safety related message SRM transmit button This product complies to all the necessary standards under the European R amp TTE directive for Article 3 1 a 3 1 b 3 2 and Page 4 DIGITAL YACHT LTD 3 3 e The following standards have been followed in pursuance of this IEC62287 1 2006 03 Maritime navigation and radiocommunication equipment and systems Class B shipborne equipment of the automatic identification system AIS Part 1 Carrier sense time division multiple access CSTDMA techniques IEC60945 2002 08 Maritime navigation and radiocommunication equipment and systems General requirements Methods of testing and required test results IEC61162 1 Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 1 Single talker and multiple listeners IEC61108 1 GLOBAL NAVIGATION SATELLITE SYSTEMS GNSS Part 1 Global positioning system GPS Receiver equipment Performa
25. information such as the vessel position Maritime Mobile Service Identity MMSI name speed course etc Receives similar information from other AIS equipped vessels within VHF range and outputs that information for use by an external display medium AIS enabled chart plotter PC using AIS enabled chart plotter software etc Information Transmitted and Received A Class A unit will transmit its IMO number if known MMSI Call sign and Name length and beam ship type time course over ground COG speed over ground SOG heading navigational status rate of turn draught cargo type destination and safety related messages via a short message service SMS facility Message lengths are variable with static and voyage related information being transmitted less often A Class B unit will transmit its MMSI Call Sign and Name length and beam ship type time course over ground COG speed over ground SOG and heading Built In Test The AIT1000 unit is equipped with Built In Integrity Testing BIIT BIIT tests run continuously or at appropriate intervals simultaneously with the standard functions of the equipment The BIIT detects any failure or malfunction that will significantly reduce integrity or stop operation of the AIT1000 unit The tests include AIS TX malfunction synthesiser not locked and TX time out not exceeded Antenna VSWR exceeds limit Rx channel 1 malfunction synthesiser not locked Rx channel 2 malfunction sy
26. ing Satellite GPS or the Global Navigation Satellite System GLONASS in order to determine the location of the AIS unit and thus the vessel to which it is fitted The AIT1000 utilises the GPS satellite network Page 6 DIGITAL YACHT LTD Installing the AlT1000 unit WARNING Do not connect the AIT1000 unit to a mains line AC electrical supply as an electric shock or fire hazard could result CAUTION Do not connect the AIT1000 unit to a DC supply exceeding 15 6 V or reverse the supply polarity Damage to the unit may result CAUTION The AIT1000 unit is designed for operation in the temperature range 25 C to 55 C Do not install or use the AIT1000 unit in environments which exceed this range CAUTION Do not install the AIT1000 unit in an environment where it can be subject to excessive exposure to water Electrical connections Warning Only the RF data and power cables provided with the AIT1000 unit should be used to connect antennas power and display devices so as to maintain the integrity of the enclosure Please see the drawings section of this manual for details of the power data and RF cables supplied Using the two co axial connectors on the front of the AIT1000 connect the down lead from a VHF antenna to the BNC VHF ANT connector and connect the down lead of the supplied GPS antenna to the TNC GPS ANT Connector Please refer to the later Antennas Section of this User Manual for recommendations on a
27. ion and click Update e WAAS EGNOS o To gain the benefit of improved GPS position accuracy by using the WAAS EGNOS differential GPS services enable this feature and click Update e Alarm output options o By default the AIS transponder will only output the status of active alarms using AIALR sentences The unit can optionally be configured to output the status of all alarms every minute using the radio buttons The Update button should be clicked to send new settings to the AIS transponder Page 40 DIGITAL YACHT LTD Troubleshooting guide Problem Possible cause Solution General No AIS is detected The AIS is not connected to the serial port selected from the drop down menu The AIS is not powered The serial cable is damaged or faulty Check the number of the serial port the AIS is connected to and retry Check that the power connected and switched on supply is Try an alternative serial cable Cannot communicate with unit The AIS is not connected to the serial port selected from the drop down menu The Serial cable is damaged or faulty Check the number of the serial port the AIS is connected to and retry Try an alternative serial cable Static Data tab No static data is displayed The unit has not yet been configured Follow instructions in the Static data section to configure the unit The MMSI can not be changed The MMSI programmed has alread
28. ion manual against the specification of your VHF antenna Active alarm shown The power supply to the AIS is outside Check the power supply voltage to the Channel B Noise fault the specified range AIS against that specified in the installation manual 12V Power supply fault Active alarm shown The AIS cannot transmit because the Check the VHF antenna connections background noise level is too high Channel A Noise fault OR Check the AIS installation manual against the specification of your VHF antenna In very busy shipping channels this alarm may appear temporarily This is normal operation for Class B AIS Active alarm shown with message not listed here The VHF antenna is not connected or is not suitable for use with the AIS AIS has an internal fault Check the VHF antenna connections Check the AIS installation manual against the specification of your VHF antenna Please contact your dealer Page 42 For more information about the latest AIT1000 software Tech Notes and FAQs please visit our website www digitalyacht co uk
29. ion will not function correctly unless an AIT1000 is powered up and connected to a serial port 4 Select the serial port from the drop down menu then click Connect Select serial port com es Page 26 DIGITAL YACHT LTD 5 6 Once a connection is established the application is ready to use Connection status is indicated at the bottom left of the application window prov COMS ee E eal File Options Help Ship s Name Vessel type 37 Vessel Pleasure craft Call Sign i Configure baud rates MMSI Number 000000000 RS232 baud rate NMEA Output baud rate NMEA input baud rate Ship s dimensions amp GPS Antenna location Switch function GPS status Diagnostics Other Vessels Messages Options Software update Serial data eao0 B2400 v Match output Press switch to send Safety Related Message Make extemal switch to enable silent mode 5 Press switch to toggle silent mode GPS Antenna Switch has no function Save data to AIS VY Connected 38400 Baud 19 03 10 08 43 25 UTC _ The functions of proAlS are arranged in a series of tabs Each tab contains information relating to a particular aspect of the connected AIS transponder Depending on the version of proAlS installed not all tabs shown below may be visible Configuration GPS status Diagnostics Other Vessels Messages Options Software update Serial data
30. it is able to commence reporting the yellow LED goes out If a fault occurs the red LED will illuminate This may illuminate briefly if the power supply is interrupted or if the VHF antenna characteristics are briefly affected If the Red LED illuminates continuously the unit should be assumed to be faulty and should either be switched off power removed or if this is not practical any other vessel position information derived from the unit should not be used and it should also be assumed that the unit is not transmitting valid position information for your vessel The unit should be examined by a competent Digital Yacht approved equipment maintainer at the earliest opportunity Page 9 DIGITAL YACHT LTD Data port messages The data port will output the following At power up boot loader and main application splash text screens including version numbers and memory status Details of relevant AIS transmissions received Details of AIS transmissions sent Details of channel management messages received Alarm messages generated by the BIIT function The data port will accept the following inputs Programming information Alarm acknowledgements Please see the Data Interface section of this manual for more details of the data port messages When in operation an AIS unit Uses one of two VHF channels within the international marine band allocation channel 87B 161 975MHz or channel 88B 162 025MHz to regularly transmit
31. ition reports and could cause damage to the transponder Radio Frequency Exposure To meet the requirements for Radio Frequency Exposure it is necessary to install the VHF antenna correctly and operate the AIS equipment according to the instructions Page 19 DIGITAL YACHT LTD Electrical Connections VHF Antenna N 0 0 AIT1000 Class B AIS Transponder GPS Antenna 7 Dedicated Chart Plotter or PC l NMEA 0183 38 400 baud z RED 12v or 24v Ov BLA USB Connection to PC Other NMEA Device H NMEA 0183 4 800 baud WHITE Remote Silent Switch BLUE Push or Toggle Notes 1 Terminate and insulate all unused connections Data is output on NMEA and USB ports simultaneously at 38 400 baud Ensure plotter is set to receive NMEA data at 38400 baud USB connection is seen as a virtual COM port on PC In Device Manager check what COM Port the USB is mapped to i e COM3 COM4 etc Remote Silent Switch needs to be enabled in proAlS If toggle switch is used switch Closed Silent and switch Open Transmit If push button switch is used press and hold for 2 seconds to change mode oO ON Oa F W DN Only NMEA data received with valid checksum is re transmitted on NMEA USB outputs Page 20 DIGITAL YACHT LTD Glossary ACA ACK ACS AFSK ALR AtoN AIS BIIT BNC CSTDMA COG CR CS CSTDMA DC DGNSS DSC GLONASS GNSS G
32. keuD tRO53T O OE AIVDM 1 1 A 13P8g5 0120rqCLM49wJ2POVO53T 0 35 AIVDM 1 1 4 13P 00 lt wq8GfMOtFP8 DTOOR2 0 6C AIVDM 1 1 A 13HPHwOPB OsQNM2WLErUdTOOST 0 70 E Enter commands below Stop logging E Add Checksum Connected 38400 Baud 19 03 10 08 57 17 UTC e NMEA command sentences can be sent to the unit by entering them in the lower text box and clicking the Send button proAIS will calculate and append the NMEA checksum to the sentence if the Add Checksum check box is checked In this case enter a NMEA sentence without including the asterisk that precedes the checksum e Serial data can be logged to a file by clicking the Log to file button and entering a file name and location in the dialog box o Logging to file will continue if other tabs are selected after logging has been started o Logging to file will cease when the Stop logging button is clicked e The serial data display can be paused by clicking the pause button at the bottom right hand side of the data window Clicking the button a second time will resume output of the live serial data e Transmitted AIVDO messages are indented for easy identification Page 36 DIGITAL YACHT LTD Software update tab This tab provides the facility to update the AIS transponder s internal software Poon gt gi r P Xps a EEE O ee File Options Help Select serial pott coma v Connect Configuratio
33. ll illuminate to indicate this transmitter is disabled e Select the Switch has no function option if you will not use a switch to control Silent mode or transmission of a Safety Related Message When you have entered all of the vessel s data click the Save static data to AIS button to programme this configuration into the AIS transponder Save static data to AIS Vv e Awarning will be displayed asking you to verify the MMSI number Please check the number displayed is correct before proceeding If the number is incorrect click the No button to cancel programming of the MMSI a MMSI Confirmation WARNING You are about to programme the MMSI of this AIS unit You cannot change this value once programmed Is the MMSI 000000001 correct ves ea e Click the Yes button if the MMSI is correct If you select No the static data will not be updated and you can correct the MMIS before proceeding e The static data tab will be updated to show the newly programmed vessel information The MMSI number will be displayed with a grey background to indicate that it has been programmed and cannot be changed Page 32 DIGITAL YACHT LTD GPS Status tab This tab shows the status of the internal GPS receiver If the GPS receiver has position fix then the current position speed and course are shown A bar chart of satellite signal strength is also provided Zpoas cou File Options Help
34. mat ACA x Ill lLa yyyyy yy a llllIl a1 y1yty1y1y y1y1 a2 x1 x2x2x2x2 x3 x4x4x4x4 x5 x6 x7 a3 x8 hhmmss ss hh lt CR gt lt LF gt Where e x Sequence Number 0 to 9 e III Il a Region Northeast corner latitude N S Page 15 DIGITAL YACHT LTD e yyyyy yy a1 Region Northeast corner longitude E W e Illia Region Southwest corner latitude N S e y1y1y1y1y1 y1y1 a2 Region Southwest corner longitude E W e x1 Transition Zone Size e Xx2x2x2x2 Channel A e x3 Channel A bandwidth e x4x4x4x4 Channel B e xd Channel B bandwidth e x6 Tx Rx mode control e x7 Power level control e a3 Information source e x8 In Use Flag e hhmmss ss Time of in use change Channel management information source messages NMEA 0183 ACS This sentence is used in conjunction with the ACA sentence and identifies the originator of an ACA message ACS Message Format ACS X XXXXXXXXX hhmmss ss xx xx Xxxx hh lt CR gt lt LF gt e x Sequence Number 0 to 9 e XXXXXXXXX MMSI of originator e hhmmss ss UTC of receipt of channel management information e xx UTC Day 01 31 e xx UTC Month 01 12 e Xxxx UTC Year AIS Alarm Messages NMEA 0183 ALR Text ALR message format ALR hhmmss ss xxx A A c c hh lt CR gt lt LF gt Where e hhmmss ss Time of alarm UTC e Xxx Unique alarm number e A Alarm condition e A Alarm acknowledge state e c c alarm description text Alarms des
35. n GPS status Diagnostics Other Vessels Messages Options Software update Update progress Ready to start update using Sirius3_10_11_13_0 hex Connected 38400 Baud 19 03 10 08 56 25 UTC _ CAUTION Only perform a software update using an update file intended for use with the AIT1000 product Do not interrupt the power to the unit or disconnect from the PC during the update process unless instructed to do so by the proAlS application Click the Select update file button and navigate to the update file This will have the extension hex Click the Start update button Follow the instructions provided underneath the update progress bar Depending on the AIS software version you may be requested to power cycle the unit at two points in the process Turn the power supply to the AIS off and back on again at these requests Do not disconnect the serial connection to the PC Once the Update completed is displayed the AIS is ready for use Please verify the information shown on the static data tab is correct after any software update Page 37 DIGITAL YACHT LTD Other vessels tab This tab shows information received from other AIS equipped vessels in the area e The MMSI of each vessel is shown o Vessels equipped with Class A AIS have the MMSI displayed in black text o Vessels equipped with Class B AIS have the MMSI shown in blue text e The name and call sign of each vessel is shown o Due
36. nce standards methods of testing and required test results EN 301 843 1 v2 1 Electromagnetic compatibility and Radio spectrum Matters ERM Electromagnetic Compatibility EMC standard for marine radio equipment and services Part 1 Common technical requirements EN 50383 2002 Basic standard for calculation and measurement of electromagnetic field strength and SAR related to human exposure from radio base stations and fixed terminal stations for wireless telecommunications system 110MHz 40GHz EN60950 1 2002 Information technology equipment Safety Part 1 General requirements Declaration of Conformity Digital Yacht declares that this product is in compliance with the essential requirements and other provisions of the R amp TTE directive 1999 5 EC The product carries the CE mark notified body number and alert symbol as required by the R amp TTE directive The product is intended for sale in the following member states Intended Country of Use Mice Er Bes Bsc Meat Bx Bet Bx Mvo Mc Ho Br Mie Bw fcr cn Page 5 DIGITAL YACHT LTD Introduction How AIS Works The marine Automatic Identification System AIS is a location and vessel information reporting system It allows vessels equipped with AIS to automatically and dynamically share and regularly update their position speed course and other information such as vessel identity with similarly equipped craft Position is derived from the GPS network and commu
37. nds may be available pos cOMS e ee Eile Options Help aonan Configuration GPS status Diagnostics Other Vessels Messages Software update Serial data GPS NMEA output options WAAS EGNOS Silent mode Output GPS data every four seconds Disable WAAS EGNOS ut GPS data every second Bun a Enable WAAS EGNOS Ext sient mode Disable GPS data output Update i Update j Alam NMEA output options Output status of all alarms every minute Output only active alarms Update j Connected 38400 Baud 19 03 10 08 54 30 UTC e Silent mode o Buttons to enter exit silent mode In Silent mode the transmitter is disabled and no position reports are transmitted by the unit Other AIS users will be unaware of your position in this mode so it should be used with caution and only where allowed by local regulations e GPS output options o By default the AIS transponder will output its current GPS position data every four seconds via the USB and NMEA serial interfaces This information is sent using the GPRMC sentence and can be used to provide your vessels GPS position to a chart plotter connected to the unit A higher position update rate once per second is available as an option and will result in a more accurate display of your vessels position speed and course on a connected chart plotter To use this option select the Output GPS data every second opt
38. nication between vessels is by Very High Frequency VHF digital transmissions A sophisticated and automatic method of time sharing the radio channel is used to ensure that even where a large number of vessels are in one location blocking of individual transmissions is minimised any degradation of the expected position reporting interval is indicated to the user and even if the unit suffers extreme channel overload conditions it will always recover to normal operation AIS Classes There are two classes of AIS unit fitted to vessels Class A and Class B In addition AIS base stations may be employed by the Coastguard port authorities and other authorised bodies AIS units acting as aids to navigation A to Ns can also be fitted to fixed and floating navigation markers such as channel markers and buoys Class A units are a mandatory fit under the safety of life at sea SOLAS convention to vessels above 300 gross tons or which carry more than 11 passengers in International waters Many other commercial vessels and some leisure craft also fit Class A units Class B units are currently not a mandatory fit but authorities in several parts of the world are considering this Class B units are designed for fitting in vessels which do not fall into the mandatory Class A fit category The AIT1000 is a Class B unit Position Information Source As noted above the marine AIS system uses position information derived from networks such as the Global Position
39. nsmitted time slots and for the supply of navigational information should the main navigational GPS fail We strongly recommend that e The supplied GPS antenna and cable is used Do not cut or splice the coax cable or lengthen the assembly e The GPS antenna is mounted in an elevated position and free of shadow effect from the ship s superstructure Ona sail boat the pushpit rail or aft deck is an ideal location The radar arch on a motor boat is ideal If in doubt make a temporary installation and use the aisPRO software to view the satellite signal strengths The antenna can be thru deck mounted by drilling a 13mm clearance hole and using the supplied fixing not to mount the antenna to the surface Note that the nut can be reversed for thicker substrates We recommend the use of a silicon sealant to ensure that the deck remains watertight The supplied cable attaches to the antenna using the FME connector The antenna could also be rail mounted with a suitable 3rd party or custom bracket e Fit the rubber boot supplied over the threaded assembly to prevent water ingress e The GPS antenna has a free view through 360 degrees with a vertical angle of 5 to 90 degrees above the horizon e As the received GPS signal is very sensitive to noise and interference generated by other onboard transmitters ensure that the GPS antenna is placed as far away as possible from radar Inmarsat and Iridium transmitters and ensure the GPS antenna is free from direct vie
40. nstalled on a PC and to use the USB lead provided as standard with the AIT1000 unit Configuration The AIT1000 personalisation data required is the ship s MMSI the ship s name its dimensions position reference type and call sign Please refer to the proAlS user guide for more information on configuration and installation diagnostics Page 8 DIGITAL YACHT LTD Using the transponder Switching on Under normal operation after the AIT1000 has been personalised when the 12V supply is switched on all four LEDs visible on the front panel of the unit will illuminate twice for a period of one second on each illumination The red and blue LEDs will then go out When the internal GPS starts outputting valid position information and the AIT1000 unit transmits its first position report message 18 the yellow LED will go out note that this process may take up to 30 60 seconds from the GPS receiving it s first valid position fix When the yellow LED goes out the green LED will illuminate indicating that the unit is now operating correctly DIGITAL AIT1000 TU Class B YACHT Silent Status TX Power Transponder Timeout Switch functions The AIT1000 has a remote switch feature that can be configured either to trigger transmission of a Safety Related Message or to place the unit into Silent mode This choice is made during configuration of the unit using the proAlS application please refer to the proAlS user guide for further info
41. ntennas and antenna installation If an external dedicated chart plotter is to be used as the AIS display unit NMEA 0183 interface connect the relevant wires of the AIT1000 PWR DATA interface cable to the chart plotters NMEA ports Note that the software in the chart plotter must be configured for AIS operation AND to accept standard Class B operation NMEA sentences If an external display unit is not to be used terminate and insulate the unused NMEA connections on the AIT1000 PWR DATA cable Connect a 12V DC supply 9 6 15 6V capable of supplying 2A peak to the AIT1000 PWR DATA cable Red Positive and Black negative The case of the unit is not isolated from the negative terminal of the supply and therefore it is recommended that the unit is not attached to metal parts of the vessel Special arrangements will need to be made on steel and aluminium vessels to isolate the case from the hull For a full step by step guide to installing the AIT1000 please refer to the printed Quick Start Guide included in the AIT1000 product package Page 7 DIGITAL YACHT LTD Programming the transponder Programming software Before the AIT1000 can be used it requires personalisation This is done via the AIT1000 proAlS software package which is supplied on the AIS Resource CD ROM The proAlS user guide contains more detail on configuration of the transponder included at the end of this handbook This software is designed to be i
42. nthesiser not locked Internal GPS not in use No valid SOG information No valid COG information Background noise gt 77dBm GPS failure Page 10 DIGITAL YACHT LTD e VSWR exceeding the maximum allowed level e The input voltage is out of the specified range LED Indicators Power This is a green LED which indicates when lit that power has been connected correctly to the transponder that the transponder hardware has been configured that the operating software is present that the CPU has booted up the application software is running TX Timeout This is a yellow LED which indicates when lit that the CSTDMA transmitter is prevented from transmitting Reasons for this include the following e The transponder s internal GPS receiver is not operating or is not yet ready 1 requires that a class B CSTMA transponder shall not transmit if its internal position sensor is not operating e The transponder was unable to transmit an AIS message due to the channel being already occupied e g by transmissions from other AIS transponders e The transponder is in Silent mode Status This is a red LED which indicates when lit one of the following status conditions is possible e Transmitter lockout timer 1 second maximum has operated e GPS is unable to gain lock after 30 minutes e VHF antenna VSWR is out of range e Power supply is out of range e Background noise level is above the threshold level 77dBm Page 11 DIG
43. oss the unit has not yet transmitted its position Please allow up to 5 minutes after GPS fix has been acquired for the green tick to appear If the red cross is still present after this time please refer to the active alarms section below The AIS will not transmit unless it has acquired GPS fix and has a valid MMSI programmed o AIS has received a position report a position report from another vessel has been received If there is no other AIS equipped vessel in the area the red cross will remain against this item If other AIS equipped vessels are present and the red cross remains please check the VHF antenna connections AIS Transponder Active Alarms Any active alarm messages generated by the AIS unit are shown here Page 34 DIGITAL YACHT LTD e Note that alarms may take up to 1 minute to clear from this display once their source has been corrected e Itis normal for GPS related alarms to be displayed when the AIS is first switched on These alarms will clear once GPS position fix is acquired e Please refer to the troubleshooting section for a description of each alarm message AIS Transponder Information This section shows technical information about the connected AIS transponder including software and firmware version information Depending on the AIS software version the ability to display the GPS firmware version may not be present If shown clicking the Get version button will retrieve the GPS firmware version Please note
44. our AIS system correctly Information contained in this manual is liable to change without notice FCC Compliance Use of this equipment on US Flagged vessels is currently not authorised as Class B AIS has yet to be approved by the USCG This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation 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 e _Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help The AIT1000 does not contain any user serviceable parts Repairs should only be made by an authorized Digital Yacht service agent Unauthorised repairs or modif
45. rmation on the configuration options When configured to transmit a Safety Related Message the button will initiate broadcast of an AIS message containing the vessels MMSI along with the text MAYDAY MAYDAY The button must be pressed for at least two seconds to initiate this transmission and the blue LED will illuminate to indicate the message has been sent Additional Safety Related Messages can not be sent until the blue LED has extinguished which will occur one minute after an SRM has been sent When configured to place the unit into Silent mode each press of the switch will toggle the AIS transmitter on or off The switch must be depressed for two seconds to change the state of the transmitter When the transmitter is off the yellow TX Timout LED and blue Silent LEDs will be illuminated and the transponders position will not be broadcast to other vessels The position of other vessels will still be received by the unit Warning and fault states If the unit has not been able to transmit a position report during the last expected two reporting intervals i e the nominal reporting interval cannot be maintained for operational reasons such as a Message 23 quiet period high channel load conditions etc the yellow LED will illuminate This is a warning condition only and indicates that your vessels position is not currently being reported to other vessels Reception of other vessel AIS information by the AIT1000 is not affected When the un
46. roAIS From N Projects Sirius3 Useful Dey and Test Notes Useful P Publisher Unknown Publisher While applications from the Internet can be useful they can potentially harm your computer IF you do not trust the source do not install this software More Information 5 The application will install and launch automatically 6 A Start Menu folder and shortcut will be created with the name proAlS This short cut should be used to re launch the application as required Removal The proAlS application can be removed at any time via the windows Control Panel Add or Remove Programs tool Page 25 DIGITAL YACHT LTD User guide AIS Connection 1 Launch the proAlS application by navigating to the proAlS shortcut on the Start Menu 2 The initial application screen will appear as shown below exact screen display depends on version installed File Options Help Select serial port Comes _ Disco nect Configuration GPS status Diagnostics Other Vessels Messages Options Software update Serial data Press switch to send Safety Related Message Make extemal switch to enable silent mode Press switch to toggle silent mode GPS Antenna Switch has no function Save data to AIS y Disconnected 3 The application requires a serial connection to an AIT1000 transponder Connect the transponder to an available serial port The applicat
47. to the way AIS operates this information may take some time to appear e The speed in knots course in degrees decimal latitude and longitude are shown for each vessel e The approximate distance to each vessel is shown when the connected unit has a GPS fix Please note that this is an approximate distance for indication only e The class of the AIS equipment on each vessel is displayed as A or B e Columns can be sorted into ascending or descending order by clicking on the column heading Select serial port COM3 Configuration GPS status Diagnostics Messages Options Software update Serial data MMSI Name Call Sign Speed kn Course Latitude Longitude 235064777 WIGHT SUN 2BBW9 0 90 6 50 42 411 1 30 036 235031618 ST FAITH MMDA5 0 293 50 44 07 1 12 7902 235899934 RAYBASE 06 0 0 50 50 8038 1 5 2686 236039000 BALTIC SKIPPER ZDFD5 75 1 50 31 3902 1 5 3166 235031619 ST HELEN GDBB 114 235 50 45 5298 1 9 1098 235024149 SPIRIT OF PORTSMOUTH MHBV5 262 1 50 47 8206 1 6 5622 235032402 HUMBER ENERGY MDCUS 339 50 47 1012 1 17 1846 235007472 FREEDOM 30 MLMJS 51 50 47 079 1 6 0138 235039868 157 50 43 98 1 9 5298 235275973 PILOT V L HAMSTEAD MCTH3 12 6 50 47 4732 1 6 8562 227023100 MONT SAINT MICHEL FNMT i 181 50 45 9366 1 5 3712 235064784 WIGHT LIGHT 2BBX5 50 45 1362 1 31 4388 235061621 SD SOLENT RACER 2AON9 328 50 46 71 1 6 06 235069875 WIGHT RYDER 2BWG5
48. w of the radar and the Inmarsat beam e It is also important that the MF HF and other VHF transmitter antennas are kept as far away as possible from the GPS antenna It is good practice never to install a GNSS antenna within a radius of 5 meters from these antennas The AIT1000 can also utilise other passive ie non NMEA outputting GPS antennas such as Garmin s GA29 fitted with the relevant TNC connector The GPS antenna used must be of the active type i e it should incorporate an LNA and must be suitable for marine shipboard applications index of protection ruggedness means of mounting etc An antenna should be selected with a gain in dB depending on the length of cable between the antenna and the AIS unit after subtraction of cable and connector losses a minimum total gain of 25 dB should be available at the AIT1000 unit GPS antenna connector Please note that we cannot support the use of 3rd party antennas VHF Antenna There is a BNC female bulkhead connector located on the lower face of the AIT1000 housing The AIT1000 is NOT supplied with a dedicated VHF antenna as many users connect their existing VHF antenna via the Digital Yacht SPL250 Splitter box P No ZDIGSPL250 For those customers who wish to fit a dedicated AIS tuned VHF antenna to the AIT1000 Digital Yacht can provide a suitable antenna as an optional accessory The AIS Tuned Stub Helical Antenna comes with an L shaped mounting bracket and 20m of cable P No ZCOMH15
49. y been The MMSI can only be programmed once If it is incorrect please contact your dealer The static data is incorrect Data was entered incorrectly Re enter the static data and save to the AIS The MMSI cannot be updated GPS tab No GPS displayed position information or graph shows only blue bars is The unit has not acquired GPS fix The GPS antenna connected is not correctly The GPS antenna does not have a clear view of the sky GPS antenna is unsuitable for use with AIS Check the GPS antenna connections and power cycle the AIS unit Check the GPS antenna location and make sure it s view of the sky is not obstructed Check the AIS installation manual against the specification of your GPS antenna Diagnostics tab Red cross against a status item Unit configuration or antenna connections See Diagnostics tab section of this user guide for advice on each item Active alarm shown The unit has not acquired GPS fix Wait at least five minutes for the unit to acquire GPS position fix Page 41 DIGITAL YACHT LTD Problem Possible cause Solution Position sensor fault OR SOG data fault OR COG data fault OR Follow troubleshooting guide for GPS tab Active alarm shown VHF Antenna VSWR fault The VHF antenna is not connected or is not suitable for use with the AIS Check the VHF antenna connections Check the AIS installat
Download Pdf Manuals
Related Search