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1. Display orientation Target speed filter Target range filter Choose the orientation of the display when this profile is activated The orientation can be Heading Up North Up or Use Default If you select Use Default then the default display orientation determined in the Display Settings Group will be used This allows you to override the default for one or more profiles for example setting the default to Heading Up but overriding it to be North Up when anchored This specifies the minimum SOG in knots that a target must be moving to be included in the target list Targets moving slower than this speed will be filtered from the target list and will not appear Use this filter to eliminate slow or stationary targets from the target list Alarms are not triggered for filtered targets The total count of filtered targets is displayed on the situation display Selecting OFF disables the target speed filter If this setting is higher than the CPA alarm Target Speed setting a warning is displayed to indicate you may be filtering more targets than you intend It is not recommended to set this value too high since it may filter out all targets and alarms This specifies the maximum range distance in nautical miles for a target to be included in the target list Targets farther away will be filtered from the target list and will not appear Use this filter to eliminate distant targets from the ta
2. Configuration Entering Your MMSI and Vessel Details Your vessel data including MMSI number must be entered into the aisWatchMate Your MMSI may have been entered already by your dealer Once entered this information will be retained and it is not necessary to enter it again Until this information has been entered the aisWatchMate will receive other vessel s AIS data but will not transmit yours To program your vessel data or check that it has been programmed properly select Setup from the main menu and select AIS Transceiver Choose the option for Your vessel AIS details Your vessel AIS details MMSI 000000000 Type Name Call sign GPS Antenna A Move the selection box to the previous field y Move the selection box to the next field Modify Enter a new value for the selected field OK Save your changes and exit configuration To enter or change data in a field use the arrow buttons to position the field selection box over the appropriate data and press the Modify button The field becomes active and the current character position is indicated as shown below DI Your vessel AIS details MMSI E 0 0000000 Type Pleasure craft Name Call sign A Increase the value at the current character position y Decrease the value at the current character position gt Move to the next character position Enter Complete the field entry and return to the previo
3. If this setting is lower than the CPA alarm Time setting a warning is displayed to indicate you may be filtering more targets than you intend This specifies a range in nautical miles Targets within this range will trigger a guard alarm regardless of whether a collision risk exists Guard alarms are most useful when operating where few targets are expected to be encountered and you wish to be notified there is somebody out there Selecting OFF disables the guard alarm Selecting ALL indicates that all targets regardless of their range will trigger the guard alarm Important note ALL is the only alarm setting that operates without GPS input CPA alarm Triggers a CPA alarm for any target which will come this distance or closer to your vessel in nautical miles An alarm will not be triggered if the target doesn t also meet the specifications of the other CPA alarm settings described below Selecting OFF disables the CPA alarm 53 CPA alarm Time This value specifies the maximum amount of time in minutes that a target s CPA must occur for it to trigger an alarm If a target has a CPA which is too close but the TCPA is greater than this value no alarm will be triggered This allows you to indicate that you only want alarms for targets which pose a risk of collision in the near future Selecting OFF allows a CPA alarm to be triggered regardless o
4. 4 5 8 All dimensions in millimeters and converted to decimal inches 125mm 4 15 16 nn O To flush mount use 4 appropriate length 3mm screws O 4mm 3 16 14 Installation Requirements The ais WatchMate requires a suitable VHF antenna which must be supplied by the user and a Clear view of the sky for the built in GPS or an external GPS antenna The following are required for installation e Various countries have regulations requiring a VHF radio license to operate an AIS transponder Check with your local authorities to determine the requirements for your area e You must have an assigned MMSI and Call Sign for your vessel If you do not have an assigned MMSI contact the relevant authority in your country You must enter a valid MMSI number into this device Once you enter the MMSI number it cannot be changed If you need to change the MNSI please contact an authorized dealer or Vesper Marine e A suitable VHF antenna or Vesper Marine AIS VHF Antenna Splitter Performance cannot be assured if you use any other antenna splitter The use of an improper splitter may damage your ais WatchMate and void your warranty e lf you are not able to mount the unit with an unobstructed view of the sky or if your mounting location and or other equipment interferes with the built in GPS antenna then an optional external GPS antenna is required You must use a Vesper Marine dedicated GPS antenna which cannot be shared
5. CPA time is greater time than this value then no CPA alarm will be triggered for this target This allows you to suppress alarms for targets which are predicted to come close but not for a long period of time CPA alarm The speed in knots which the target must be moving in order to trigger a target speed CPA alarm If the target is moving at less than this speed then no CPA alarm will be triggered for this target This allows you to suppress alarms for targets which are either stationary anchored or moored or are moving very slowly drifting fishing etc CPA alarm The speed in knots that your own vessel must be moving in order to allow your speed CPA alarms If your vessel is moving at less than this speed then no CPA alarms will be triggered for any targets This allows you to suppress alarms when your vessel is anchored moored drifting fishing etc It can be used to turn off alarms automatically when you stop or slow down and eliminates the need to turn the aisWatchMate off or select the Anchored profile Important note CPA alarms are not triggered if GPS information is not available for your vessel Profiles To organize the filter and alarm settings there are four profiles These allow you to quickly switch between various settings when your situation changes This is done by selecting the active profile from the main menu on the situation display Each profile is provided with a default
6. Selection Weather Reports Fleet List Message List GPS Position GPS Status AlS Status send MAYDAY Anchor Watch Setup the plotting range Choose a profile of alarm and filter settings This allows you to quickly select from pre programmed groups of settings as your situation changes See the Profiles section for more details Deselects the currently selected target and removes the popup information window Displays the list of received meteorological and hydrographic data This option is only available if this data has been received Displays a list of members in your fleet You can remove members from this list Members are added to the list from the target details menu when you are viewing a target This option is only available when one or more targets has been added to the fleet list You can add a target to the fleet list using the Menu button when the target you wish to add is being displayed Displays the list of received safety messages See the Safety Message section for more details This option is only available if one or more safety messages has been received Displays your current GPS position course heading and speed This option is only available if a valid GPS position has been received Displays the GPS satellite receive status showing satellites in view and active satellites Displays the AIS operational status You may use this to determine the reason for transmit warnings and number of messages
7. States Canada Australia and New Zealand C 0168 FE Table of Contents TrademarkS un 2 Eo alo Lala lo llo CA nn nan ua seen tuant cest 2 Technical ACCUIAGC Y ER de 2 Genera VV AGING Sii ii iaia 2 VER Antenna Wanda iii iii 3 RF EMISSIONS ANIMO Si AA 3 MMSI Programming Warning ee 5 GPS AMENA area ea 5 Compass Sale DISTANCE 6 Electronic Waste nec CIO Sas in nn a ensenada ica 6 SAUS CS teat ae ce eet 6 standards Error Bookmark not defined Declarationof ConformilVi i iaia 6 Table orContents Lari 7 MOSS ANY ecstatic cect terra ot tee iaia 9 ATOU CON o O 10 IMportant Normali Niinon alii alii iaia 11 o Sinai lhi o 12 installation 15 REQUIEM sinere E E erano 15 MORIN DISP arretra na ia a area Oa na 15 Male sella 15 GPRS Anienna nstallaliota ella 16 A aan 17 Power Data Gable Wiring cin id desd 17 MINIMUM CONNECUON Siria 18 Connecting an Optional Heading Sensor or Chart Plotter n 18 Connecting an Optional External Aaa a 19 Using a Relay to Control a High Current External Device 19 Aa A A iii diese 20 Sing the USB CONNECCION riales 20 Configuration Entering Your MMSI and Vessel Details 21 Using the vmAlS Configuration Program 23 POWer BUON id 25 One Minute Startup TIMO clean 25 Mitia Prone Set anna ANA 25 O 25 DISDIGY OCIOSO aida 26 Home Page Situation DIS PAY sii A ae oho aa 26 Mal Men Unidad dispo ten nee 28 Target anne 30 TE ASE DIS ista aaa 31 GPA
8. TCPA are constantly updated by the aisWatchMate as your vessel moves you should consider the age of the information received from the target in determining how accurate the displayed data may be and to assist you in refining your assessment of collision risk PACIFIC PEARL BRG 275m RNG 4 46nm CPA 0 09nm TCPA 8 45 COG 3107 SOG 12 4k HDG 3157 ROT R 5 min IMO 3923781 MMSI 270128210 CALL ZL3AB CLASS A CPA ETA 12 28 04 30 DEST PAPEETE TAHITI 105m Tanker Hazard C 4 6m Draft 18m Beam Restricted maneuverability S 08 50 068 w 140 15 014 ome Received 00 07 ago If the target and your vessel will not converge such as when they are moving away from each other the CPA is shown as None and TCPA is not displayed When the TCPA is greater than one hour it is displayed in minutes without the seconds eg 123 min When the target display screen is shown due to an alarm condition the reason for the alarm will be blinking eg RNG for a guard alarm and CPA for a CPA alarm The blinking stops when the alarm is muted or the target is no longer in an alarm condition 91 amp If a target has an age greater than 15 minutes it is automatically removed from the target list You can change this number of minutes within setup in the target list group While the target screen is displayed you can use the following buttons Menu Allows you to disable or re enable alarms for this target Also allows you
9. from the top while turning the unit on by pressing the power button Once the unit has come on and displayed the message Data Received from NMEA Port you can release the top button All data received on the port will be displayed as it arrives When the display fills it will be erased and data will again be displayed from the top You can freeze the display by pressing and holding any button To resume the display release the button To return to normal operation turn the unit off and back on again 58 Warranty North America The ais WatchMate is warranted when properly installed and used to be free from defects in materials or workmanship for two years from the date the product was purchased by the first retail customer This warranty applies to the original retail purchaser only and is not transferable Within this period Vesper Marine will at its sole option repair or replace any components which fail in normal use Repairs or replacement will be made at no charge for parts or labor provided that the customer shall be responsible for any transportation costs This warranty does not cover failures due to abuse misuse accident improper installation unauthorized alterations or repairs shipping damage wear and tear or corrosion This warranty is void if the product s external housing has been opened the serial number or other labels have been removed or altered the specified input voltage has been exceeded or the ext
10. high as possible and at least 2 3 metres 6 10 ft above the water surface e Place your VHF antenna as far as possible from other antennas and metal structures especially other VHF HF and radar antennas It is not recommended to place the VHF antenna directly alongside a mast or another VHF antenna such as on a mast head GPS Antenna Installation The ais WatchMate has an internal GPS patch antenna facing upwards This antenna requires an unobstructed view of the sky However the performance of the internal GPS antenna is also highly dependent on where you place your als WatchMate For example you may find that it works well under a non metallic dodger or spray hood but performance may be reduced if the ais WatchMate is installed on under or near metal structures If you are mounting the display in a location which will not provide adequate GPS signal coverage then you must install a dedicated GPS antenna You cannot share a GPS or GPS antenna When installing an external GPS antenna please take into consideration e Vesper Marine has available an optional external GPS antenna designed specifically for use with the aisWatchMate Performance cannot be assured unless you use a Vesper Marine GPS antenna e The GPS antenna must be kept isolated from conductive objects at all times See the caution notice below e f you choose to use another GPS antenna only use a 3 3VDC active antenna that contains a low noise amplifier Any damage caus
11. most useful when there are large numbers of anchored or moored vessels in your operating area It is not recommended to set this value too high since it may filter out all targets and alarms Target CPA filter Target TCPA filter Specifies the maximum CPA allowed for a target to be visible All targets with a CPA greater than this value will be filtered and not shown You can also select Non Converging which causes all targets which are not converging they have no CPA to be filtered This allows you to eliminate from the target list all targets which are either moving away from you or will pass at a safe distance It is most useful when there are many moving targets Specifies the maximum TCPA allowed for a target to be visible All targets with a TCPA greater than this value will be filtered and not shown This allows you to eliminate from the target list all targets which are not going to be nearby soon It is most useful when there are many moving targets Target Alarms There are two types of target alarms provided by the aisWatchMate They are called Guard Alarm and CPA Alarm Each alarm applies independently to each target This means that 44 alarms may be silenced for some targets but will still remain active for other targets When an alarm is sounded the display immediately shows the target that has triggered the alarm Pressing the Mute button silences the alarm and all subsequent alarms for
12. out by a Vesper Marine dealer The included instructions contain information on how to verify the correct programming WARNING It is a violation of the rules of the Federal Communications Commission to input an MMSI that has not been properly assigned to the end user or to otherwise input any inaccurate data in this device GPS Antenna The aisWatchMate Transponder has a built in GPS patch antenna This antenna requires an unobstructed view of the sky The performance of the internal GPS antenna is also highly dependent on the environment in which the device is mounted The antenna performance may be significantly reduced if the ais WatchMate is installed on under or near large metal structures lf you are mounting the display in a location which will not provide adequate GPS signal coverage then you must install a dedicated external GPS antenna You cannot share a GPS or GPS antenna See the GPS Installation section for more information on installing an external GPS antenna WARNING If an external antenna is required only use a Vesper Marine GPS antenna Performance cannot be assured with any other antenna Any damage caused by using an incompatible GPS antenna is not covered under your warranty CAUTION Do not allow an external GPS antenna or its connectors to come in contact with any metal objects such as stanchions railings metal hull or deck etc Always ensure the external GPS antenna is kept isolated from all conductive materia
13. sent received Sends a MAYDAY broadcast safety message to all AlS equipped vessels within radio range You can only send a broadcast safety message once per minute Before transmission you will be required to confirm your selection Important AIS broadcast safety messages may not be received recognized or acted upon in the same manner as Global Maritime Distress Safety Systems GMDSS messages by competent authorities or maritime first responders in your location This feature must not be relied upon as the primary means for broadcasting a distress situation nor used in lieu of GMDSS such as Digital Selective Calling radios Nonetheless AIS is an effective means to augment GMDSS and provides the added benefit of being seen on radar or other displays in addition to being heard via broadcast safety messages by other AIS users within radio range Do not use this as your only means of communicating a MAYDAY Displays the Anchor Watch screen Use this screen to mark your anchor location and observe your vessel in relation to your marked location You may also enable an alarm if your vessel moves outside a preset circle around your anchor location Displays the settings you can change Also allows you to customize the alarm and filter settings for the current profile Hint To change the settings for each profile select the profile first and then use the Setup menu 99 Target List The target list contains all n
14. that target only Other targets may still trigger alarms The idea is that you have acknowledged the target and are now aware of its presence and or collision potential The ais WatchMate will continue to monitor and update the display for that target but unless you turn the alarm back on for that target it will not cause any other alarms To turn the alarm back on for a target use the Enable Alarms from the target menu The display briefly shows whether alarms are muted or enabled for each target whenever the Enable or Disable Alarms menu item is selected If more than one target is simultaneously triggering alarms then the highest priority target is shown first Once you have pressed the Mute bution for that target the next highest priority target is immediately shown and the alarm sounds again When you press the Mute button for the last or only target with an alarm triggered the display remains showing that target When an alarm is triggered for a target the target is automatically displayed and the reason for the alarm is blinking eg RNG for a guard alarm and CPA for a CPA alarm The blinking stops when the alarm is muted or the target is no longer triggering an alarm Guard Alarm The simplest type of target alarm is the guard alarm It is triggered whenever a target is within range of the alarm setting It works similar to a radar guard alarm You select the range for the alarm and if any vessel is currently within that range in
15. to add the target to your fleet A target which is a member of your fleet is shown with a circle around its icon on the situation display Mute Disable alarms for this target This function is only active when an alarms is sounding for the target See the section on alarms CPA Display the relative position of the target at CPA For example this helps you determine if a target will pass ahead or behind you See the CPA Display section This function is only active if a target is converging and therefore has a CPA List Return to the target list screen Home Return to the situation display eee CPA Graphical Display When a target is converging and has a CPA shown the CPA button is available on the target display This button brings up a graphical plot showing the relative position of the target at the time of CPA The display is oriented either Heading Up or North Up depending on the current profile settings If heading data is not available for your vessel then it is oriented course up The heading or course may be displayed in magnetic or true degrees depending on a setting in setup mode Time until closest point of approach MM SS PACIFIC PEARL Relative Position at CPA cpA 0 28nm TCPA 7 56 Distance 042T to target Your heading at CPA 0 3nrh Your position Received 00 04 ago Relative position of the When the last AIS target at the time of message Was closest point of approach received from this Impor
16. undesired operation This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device This device complies with RSS 310 of Industry Canada Operation is subject to the condition that this device does not cause harmful interference INDUSTRY CANADA WARNING To satisfy RF exposure requirements for mobile transmitting devices a separation distance of 1 metre or more should be maintained between the antenna of this device and persons during device operation To ensure compliance operations at closer than this distance is not recommended The antenna used for this transmitter must not be co located in conjunction with any other antenna or transmitter This device has been designed to operate with an antenna having a maximum gain of 3dBi Antennas having a gain greater than 3dBi are strictly prohibited for use with this device The required antenna impedance is 50 ohms To reduce potential radio interference to other users the antenna type and its gain should be chosen that the equivalent isotropically radiated power EIRP is not more than that required for successful communication Pour satisfaire aux exigences d exposition aux frequencies radio pour les appareils mobiles de transmission une distance de 1 metre
17. with any other equipment However the GPS data produced by the aisWatchMate is available for use by other optional equipment connected to the NMEA output Mounting the Display Your aisWatchMate is supplied with a trunnion mounting bracket if you wish to mount it above or below a shelf or other support You may also mount the unit by cutting a hole in an instrument panel and mounting it flush Included is a template you can use to cut the hole and drill four additional holes for the required fasteners A gasket is also included to seal the unit against your instrument panel Do not disassemble the unit or remove the screws which hold it together The unit is sealed and disassembly will void the warranty If you require service or assistance please contact your dealer or Vesper Marine VHF Antenna Installation The aisWatchMate must be connected to a suitable VHF antenna or Vesper Marine AIS VHF Antenna Splitter Performance cannot be assured if you use any other antenna splitter The use of an improper splitter may damage your ais WatchMate and void your warranty When installing the VHF antenna please take into consideration e The type of antenna should be an omnidirectional VHF antenna designed for the marine band 156 162 MHz e There are AlS frequency adapted antennas available You may also use a standard marine VHF antenna e The antenna must be dedicated and not connected to any other equipment 15 e Place your antenna as
18. Ais WatchMate Class B AIS Transponder WatchMate 850 Model WMX850 gt FN vesper Marine WMX850 505F 1406 Trademarks Als WatchMate is a registered trademark of Vesper Marine Ltd All other product names are trademarks or registered trademarks of their respective owners Copyright Notice Copyright 2012 Vesper Marine Ltd All rights are reserved Unless otherwise indicated all documentation and operating software contained within this product or distributed with this product is copyrighted by Vesper Marine Ltd All rights are reserved Except for short quotations in a review no portions of this document or the software contained within this product may be reproduced or transmitted in any form or by any means without prior written permission of Vesper Marine Lid Portions of this product may use software licensed under the GNU GPL or a modified GPL Source code for the applicable software is available upon request from Vesper Marine Ltd Technical Accuracy The information contained in this document is to the best of our knowledge correct at the time of publication However we reserve the right to change specifications installation and operating instructions without notice as part of our ongoing product development and improvement programs No liability can be accepted for any inaccuracies or omissions in this document or any other document provided by Vesper Marine Ltd although every effort has been made to ensure
19. C Cal option will have no effect IMPORTANT NOTE Test this feature with your specific VHF radio to ensure it is working properly before relying on it 43 Target Filters There are several filters which allow you to control which targets are included in the target list and may be displayed These give you the ability to limit the target list and are most useful when operating in areas with large amounts of vessels Any filter can be turned off If all filters are turned off then all possible targets are included in the target list and all targets may trigger alarms When a target is filtered it is not shown in the target list No alarms are triggered for filtered targets Target range filter Target speed filter Specifies the maximum range distance in nautical miles for targets Any targets farther away than this distance will not be included in the target list and will not trigger alarms This allows you to only view and trigger alarms for targets that are nearby and filters out targets that are farther away It is not recommended to set this value too low since it may filter out all targets and alarms Specifies the minimum speed in Knots a target must be moving Any targets moving slower than this speed will not be included in the target list and will not trigger any alarms This allows you to eliminate from the target list and prevent alarms for targets which are stationary or moving very slowly It is
20. Choose whether to enable or disable an alert which sounds if your vessel s position becomes unavailable for more than 15 seconds This alert sounds the alarm with a single short beep and may indicate a problem with GPS reception your GPS device or wiring When position information is not available for your vessel computed information about each target range bearing CPA TCPA are not displayed In addition if position information is not available a message is shown on the situation display target list and target display Note If your vessel s position is not available then alarms will not be triggered Choose whether to enable or disable an alert which sounds when a safety message is first received This alert sounds the alarm with three short beeps If the same message is received again it does not sound the alarm NMEA device alerts Alarm mode Choose whether to display NMEA device alerts sentence ALR When this setting is enabled each alert sounds the alarm with a single short beep and is displayed in a message box When a NMEA device alert message is displayed press the Confirm or Ignore button See the section on NMEA Device Alerts in this document Choosing Internal only will only sound the internal alarm External only requires an external alarm buzzer or indicator be connected You can also select to have both sound simultaneously Caution Audible alarms will not occur if you select External only and
21. Graphical DIS AAA A A ia 33 Sately Message Lists us analista 34 Saiety Message DISPIAV cdi id teintes 35 Fool 36 VOICI PRE DONS en rocio cos mantis rosada cos ages 36 GPS POSITION DIS AV sisi ads 36 GPS SAIS DISC ay ido coords 36 PRIS O AUS DISOIAY coasters einen 37 Using the Ancier Wat lso 39 Displaying Information About your AIS WatchMate VU 42 Placing Individual DS E Calcuta nn een recense ace 43 Target AS iaa 44 Target PVPS en nn nas anne tant 44 cuard Ala Mistica 45 CPAARM sn ne AAA 45 nd di o PA AE no O 46 EER RR RISORSE STRETTI 47 nn a 47 OMS ias 47 ANCIOl scialli 47 Seto Mode iii 48 AOC PLIS PS CUNG nana 48 PALMS GUNG EP e E E TR Re 49 NAVIGATION SCMINGS ass a ee eee eae 49 DISMAY SOINS alia alse ll lo e 50 Prererence SENOS A a o nues 50 A A necuete ae 51 WO POPE Settings alal 51 Additional Ses carrara catala 51 Settings Associated with Each Profile 51 Built in integrity Test BIT 55 DOVICO Ales Sn N Nu taeda 56 TROUDICS MOOUIN GC es E canas 57 Examining Received NMEA Data iii 58 Warranty North Ameca o ie 59 Warranty Australia and New Zealand oocconcconcconccooccoocconcconccnnncnancnancnanenanenanenarenarenanenanes 60 Warranty European Un ION doce 61 Obtaining Warranty Se ENVI ec ea sance Ra ess ace nice cet 62 Glossary AlS Universal Shipborne Automatic Identification System A system of transponders installed on vesse
22. NNA Verify that your antenna cable and connections are good Most CONNECTIONS error problems are the result of an open or shorted connector Use a appears meter to verify them Check with your antenna manufacturer to determine if your antenna should meter open or shorted Ensure your VHF antenna is mounted well away from other antennas 3m is best and away from parallel metal structures like a mast or rigging Although a marine VHF antenna may usually be used AIS frequencies are at the high end of the marine VHF band As a result some antennas may have high VSWR levels when used by AIS Note Some versions of the firmware automatically place the transponder in Silent Mode to help prevent you from causing damage to your unit or your antenna system Once you have found the cause of the problem you may take the transponder out of Silent Mode using the A S Transceiver setup option CAUTION Never operate this device unless it is connected to a suitable VHF antenna or Vesper Marine AIS VHF antenna splitter 57 Examining Received NMEA Data As a troubleshooting aid it is possible to have the ais WatchMate display the raw sentence data received on its NMEA input port This can help you to resolve wiring and other installation problems When using this mode normal operation is not performed Only the raw data display is done To view the raw sentence data received on the NMEA port press and hold the 2nd button
23. Online auction confirmations are not acceptable as an original sales receipt Vesper Marine Ltd PO Box 91164 Victoria Street West 45 Sale Street Freemans Bay Auckland 1142 New Zealand Phone 64 0 9 950 4848 Fax 64 0 9 950 4085 www vespermarine com support vespermarine com You must contact Vesper Marine and obtain a return authorization before sending your unit in for repair 62
24. an external alarm is not fitted Test the alarm Allows you to test the internal or external alarm to ensure it is working properly Navigation Settings Course and heading mode Bearing to target mode Select how to display course and heading data for targets This also affects how your vessel s heading is shown on the situation display You may choose between True or Magnetic Select how to display bearings to targets The default is magnetic and is recommended for easy visual identification of targets using a compass and or binoculars However if you prefer you may select true or relative bearings Relative bearings show the target s bearing relative to your own vessel s heading eg OOOR is directly ahead of you 180R is directly behind 270R is off your port beam and 090R is off your starboard beam To display relative bearings heading data for your vessel should be 49 available This data may be output from a heading sensor or autopilot Consult the manual for these devices The aisWatchMate accepts NMEA 0183 sentences HDG HDT or HDM for heading data Note If heading data is not available then relative bearings will be shown relative to your course rather than your heading Default display orientation Select the orientation Heading Up or North Up you wish to use by default This orientation is used if a profile doesn t override this setting This allows you to indicat
25. any direction around you the alarm is triggered When a guard range is selected a guard alarm is only triggered for a target when it is currently within the guard range and is not based on whether the target will enter the guard range at some time in the future You can also select to have all targets trigger an alarm regardless of their range by setting the guard alarm to ALL rather than a specific range When this setting is enabled the alarm will sound when data is first received for each target This alarm setting is most useful offshore or anywhere targets are expected to be encountered infrequently It is used to notify the user that an AIS target exists out there even if the target poses no collision risk When a guard alarm is triggered the target is immediately displayed Press the Mute button to silence the alarm No further alarms will be triggered for this target However if you still wish to have a subsequent CPA alarm for this target use the Enable Alarms menu item to re enable alarms for the target When you re enable alarms the guard alarm is not sounded again Only subsequent CPA alarms will be re enabled The reason is you have been alerted to the target s presence and acknowledged it but have now indicated you also would like to have an alarm triggered if a collision risk exists Important note Guard alarms will not be triggered if GPS information is unavailable for your vessel Guard alarms which specify a range
26. bout each message When a message arrives it is displayed automatically and the alarm is beeped briefly to notify you Press the Confirm or Ignore button to dismiss the message If you press the confirm button an acknowledgment message sentence xxACk is sent back to the device containing the message ID An example message the message content is supplied by the other device and will vary from device to device NMEA Device Alert ID 003 HDG HEADING SENSOR INACTIVE 56 Troubleshooting Problem Solutions Display shuts off Check to see if the Turn display off when idle setting is enabled Won t shut off when Press and hold the power button for 2 seconds press the power button CPA alarm doesn t 1 Check the profile you have selected by looking on the situation sound display or choosing the Profile item from the main menu on the situation display 2 Use setup to verify the CPA alarm parameters for the current profile 3 Check CPA alarm setting to make sure it is enabled and set to a value greater than the range of the target in question 4 Ensure the CPA alarm Time setting isn t set too low 5 Check the CPA alarm Target speed and CPA alarm Your speed settings Alarms sounds for Use setup to verify the Guard alarm range setting for the current every target profile If this setting is ALL then every target will trigger an alarm CHECK ANTE
27. ded CD You can copy this program to your PC or run it directly from the CD by clicking on Configuration Utility Note This program only works with Microsoft Windows XP Vista 7 or later For any other operating system you must use the on screen configuration method described above 1 Connect your aisWatchMate to your PC using the supplied USB cable 2 Connect DC power 12 24 volts to your ais WatchMate 3 Press the power button to turn on your als WatchMate 4 If this is the first time you have connected your ais WatchMate to the PC Microsoft Windows will install the necessary drivers Most versions of Windows come with the drivers but in the case where Windows cannot locate the driver you ll find them on the included CD You can install them from the CD directly by clicking on Install USB Driver 5 Once the drivers have been successfully installed a virtual COM port will be created for your AisWatchMate The port number will be displayed by Microsoft Windows after the successful completion of the driver installation The port number will stay the same regardless of which USB socket you plug in your als WatchMate 6 Select the appropriate COM port at the top of the vmAlS window and click the Connect button If you receive an error ensure you have selected the correct COM port and your als WatchMate is switched on Due to the way Microsoft Windows works you may need to unplug it from the USB port and plug
28. e that you wish all profiles to use a particular orientation except one that specifies otherwise For example always use Heading Up except when anchored when you want to use North Up GPS Smoothing The setting enables a GPS smoothing function which enhances position and course stability This setting is suitable for most situations Disabling GPS smoothing causes the GPS position course and speed to be more dynamic and respond more quickly to changes but introduces a wider amount of fluctuation GPS SBAS WAAS EGNOS Simulation mode Use this setting to enable or disable GPS differential corrections received from Satellite Based Augmentation Systems such as WAAS EGNOS MSAS and GAGAN Use this setting to start or stop a simulation of GPS and AIS targets for demonstration purposes When the simulation is running actual GPS positions and targets are not displayed Display Settings Brightness Adjusts the brightness of the display and buttons You can also adjust the brightness by momentarily pressing the power button Contrast Adjusts the display contrast Turn display off Select the number of minutes after which the display is turned off If the when idle display is off and a target or message is received the display is automatically turned back on The display is only turned off when there are no targets and no messages To turn the display back on manually press any button Select Disable to leave
29. ed by using an incompatible GPS antenna is not covered under your warranty e The GPS antenna should be situated so it has an unobstructed view of the sky above e Do not place the GPS antenna near or in the path of radar or HF antennas e Itis not necessary to change any settings when using the optional Vesper Marine GPS antenna Simply connect it to the TNC connector on the back of the unit Considerations when using the internal GPS patch antenna e The aisWatchMate should be situated so it has no metal obstructions over the top The antenna is located in the back bulge area at the top of the unit facing upwards e Avoid placing your hand or body over the antenna area as this may reduce satellite signal strength Hint Use the GPS Status screen to view satellite signal strengths which will assist in determining the best location for the unit or antenna CAUTION Do not allow an external GPS antenna or its connectors to come in contact with any metal objects such as stanchions railings metal hull or deck etc Always ensure the external GPS antenna is kept isolated from all conductive material You may use the plastic base or pole mounts for this purpose Any damage caused by a non isolated GPS antenna installation is not covered under warranty 16 Connectors Optional external GPS antenna Power Data VHF Antenna USB Mini B Power Data Cable Wiring A 2m 6 5 power data cable with attached connector is supp
30. ed vessels within range The AIS system provides several types of messages from other vessels and base stations Each type of message is sent at a different interval based on the navigation status of the vessel Vessels moving or turning faster send out navigation information more frequently than vessels at anchor Data received from other vessels is split between two types navigation information and voyage information Vessel navigation and position information is generated by an on board GPS or similar navigation device and is sent frequently Voyage information contains the ship s name its destination size type cargo etc This data is typically only sent once every few minutes The ais WatchMate provides a means to view how recently information has been received from each vessel and this data is designed to help you determine how accurate and dependable the information may be at any given time The aisWatchMate refers to each vessel other than your own as a target Associated with each target are the most recently received position navigation and voyage information Also associated with each target are computed data to help determine the risk of a collision The targets are contained within a target list The aisWatchMate allows you to view the target list and also examine each target in detail By default the target list is ordered by priority You can disable priority ordering if you wish However by viewing targets ina prioritized fas
31. en successfully transmitted on each channel VSWR A relative measure of the efficiency of your antenna system Lower numbers indicate a better match Values greater than 3 1 may cause VSWR errors to be displayed If you have a high VSWR it indicates a poor antenna match or a problem with a cable or connector Check that your antenna is designed for operation at 162 Mhz the high end of the marine VHF band Check that all connections are properly made and tight and check for an open or short circuit on all cables Finally the placement of the antenna may have an effect For example do not mount the antenna close to other antennas or metal structures such as a mast The VSWR measurement is updated on every transmission Prior to the first transmission the message Waiting for TX will be displayed AN This warning symbol is displayed next to the VSWR scale when the VSWR is too high and you must find the source of the problem in the antenna system Note Not all revisions of the ais WatchMate 850 are able to display the VSWR or the warning symbol 38 Using the Anchor Watch The anchor watch may be used to sound the alarm if your vessel moves outside a preset circle To use the anchor watch follow these steps 1 Prior to anchoring select Anchor Watch from the main menu 2 Adjust the size of the preset circle by using the Dist button This button determines the alarm distance from your anchor
32. er Vessels may also transmit their name to facilitate easier identification These transmissions occur at a different interval than position information and as a result the name may not be immediately available All AIS transponders require a unique MMSI The Als WatchMate will not transmit until you configure your MMSI Profile A group of settings Profiles allow you to organize filter and alarm settings and activate them together when your navigation situation changes RNG The distance in nautical miles between two vessels Range ROT Rate of turn The number of degrees a vessel is turning over a specified amount of time Usually per minute but may also be per 30 seconds SOG Speed over ground The actual speed in knots a vessel is making over the ground Target Another vessel for which AIS information has been received Target List The set of all targets which meet the filter requirements TCPA The time until the closest point of approach Introduction The ais WatchMate is a device which provides information to assist in avoiding collisions at sea It works by receiving and transmitting data as part of the Universal Shipborne Automated Identification Systems AIS The AIS system uses two dedicated VHF channels designated for this purpose and with the installation of the ais WatchMate to receive signals from other AlS equipped vessels you can view this information In addition your vessel data is transmitted to other AlS equipp
33. ernal alarm maximum switched current has been exceeded This warranty is void if the product has been operated with an incompatible GPS antenna or without a suitable VHF antenna Vesper Marine retains the exclusive right to replace the unit at its sole discretion In the event Vesper Marine chooses to replace the unit it may be replaced with a factory reconditioned unit or a new unit at its sole discretion Where a replacement is provided the original product becomes the property of Vesper Marine and the warranty will remain from the original purchase date THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE INNO EVENT SHALL VESPER MARINE BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THE 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 Vesper Marine retains the exclusive right to repair or replace the product or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY 59 Warranty Aust
34. exclusive right to replace the unit with a factory reconditioned unit or a new unit at its sole discretion Where a replacement is provided the original product becomes the property of Vesper Marine and the warranty will remain from the original purchase date This warranty applies only to products supplied new to you by a stockist or Vesper Marine and you have not bought the product for resale In no event shall Vesper Marine be liable for any incidental special indirect or consequential damages whether resulting from the use misuse or inability to use the product or from defects in the product 60 Warranty European Union The ais WatchMate is warranted when properly installed and used to be free from defects in materials or workmanship for two years from the date the product was purchased by the first retail customer This warranty applies to the original retail purchaser only and is not transferable Within this period Vesper Marine will at its discretion repair or replace any components which fail in normal use Repairs or replacement will be made at no charge for parts or labour provided that the customer shall be responsible for any transportation costs This warranty does not cover failures due to abuse misuse accident improper installation unauthorized alterations or repairs shipping damage wear and tear or corrosion This warranty will not apply if the product s external housing has been opened the serial number
35. f the time until CPA if it also meets the specifications of the other CPA alarm settings This setting is only available if the CPA alarm setting is not set to OFF CPA alarm Target Speed CPA alarm Your speed This value specifies the minimum SOG in knots that a target must be moving for it to trigger a CPA alarm If a target meets the other specifications for a CPA alarm but is not moving at least this fast no alarm will be triggered This setting allows you to indicate that you don t want alarms for stationary or slow moving targets Selecting OFF allows a CPA alarm to be triggered regardless of the target s speed if it also meets the specifications of the other settings If this setting is lower than the Target speed filter setting a warning is displayed to indicate you may be filtering more targets than you intend This setting is only available if the CPA alarm setting is not set to OFF This value specifies the minimum SOG in knots that your vessel must be moving for a CPA alarm to be triggered by other vessels If a target meets the other specifications for a CPA alarm but your vessel is not moving at least this fast no alarm will be triggered This setting allows you to indicate that you don t want alarms when you are stationary or moving slowly Selecting OFF allows a CPA alarm to be triggered regardless of the target s speed if it also meets the specifications
36. ge If the guard alarm is enabled an additional dotted range ring is drawn to indicate its position Plotting Range The plotting range may be changed by using the Menu bution Target count The count of all targets includes targets which are not visible on the plotting display because they are either out of range or have not sent a position report yet The count does not include targets which are being filtered based on the current profile settings If targets are being filtered the number of filtered targets is also shown Selecting a Target Use the Next and Prev buttons to select targets When you select a target a small information window appears Press the Select button to see the full target details PACIFIC PEARL RNG 4 27nm SOG 4 3 CPA 0 27nm TCPA 13 49 From the situation screen you may use the following buttons Next Select the next target Targets are selected in priority order The Next button starts with the highest priority target The list of visible targets may be scrolled with the Next button and when no more targets are available the current selection is cleared Prev Select the previous target The Prev button starts with the lowest priority target When no more targets are available the current selection is cleared Select Display the target details screen for the currently selected target Menu Brings up a menu that allows you to change the current plotting range change your profile enter
37. he NMEA input port is repeated on the NMEA output port regardless of this setting This allows you to use the Als WatchMate to combine NMEA instrument data and the internally generated AIS and GPS data into a single combined output stream Note These settings apply only to the NMEA input and output ports They do not apply to the USB port The USB port always operates at 38400 baud and outputs all available data Additional Settings Reset all settings Resets all settings to the original factory values Any settings you have changed will be reset and you will lose any changes you have made When you select this setting a warning is displayed To continue and reset all settings choose Yes to Are you sure and press OK When you answer Yes or No a message is briefly displayed confirming your choice Settings Associated with Each Profile The following settings are associated with a profile selection Each profile Harbor Coastal Offshore and Anchor has it s own value for each of these settings The setup screens display the settings associated with the currently active profile The name of the current profile is shown on the top line of the screen Any changes to these settings affect the current profile only Hint To change the settings for a profile you must activate the profile first Do this from the main menu on the situation display before entering setup mode 541
38. hion you can focus your interest on the targets most likely to pose a collision risk first Similarly whenever a target triggers an alarm you don t have to scroll to find it The target is displayed immediately with an indication of the cause of the alarm The ais WatchMate utilizes data from its built in GPS receiver to assist you in determining the risk of a collision with each target Multiple targets are automatically and continuously tracked simultaneously Alarms are associated with each individual target and when an alarm is muted for one target it does not affect any other targets which might also trigger alarms The computed data for each target includes the following items Note that in order to compute this data your vessel s current position course and speed are required The Als WatchMate receives this information continuously from its built in GPS If the built in GPS does not have a valid fix then this information will not be computed and displayed In addition your own information will not be transmitted to other vessels Range The ais WatchMate computes the range distance in nautical miles to each target and displays it along with the target information Bearing The bearing to each target is also displayed The bearing may be shown as magnetic to facilitate quick visual identification using a compass or binoculars However if you wish you can change a setting to display bearings in degrees true or relative to your
39. ied You can use this to provide power to an external buzzer light or other signal device Maximum current is 150mA If your device requires more current then an external relay must be used Others All other wires are not used Leave them unconnected 547 Minimum Connections VHF antenna Optional GPS antenna may be required AisWatchMate WMX850 AIS Transceiver Battery 12 24 VDC Connecting an Optional Heading Sensor or Chart Plotter NMEA 0183 AIS Compliant Chart Plotter AisWatchMate WMX850 AIS Transceiver NMEA 0183 Heading Sensor 18 Connecting an Optional External Alarm 12 24 VDC Buzzer or Indicator 150mA max AIsWatchMate VWMX850 AIS Transceiver Battery 12 24 VDC Using a Relay to Control a High Current External Device When your external device requires more than 150mA you must use an external relay Ensure a spike suppression diode eg 1N4001 is either provided by the relay or fitted externally You should also provide a fuse of the appropriate value to protect against overload High current device Suppression diode AisWatchMate WMX850 AIS Transceiver Battery 12 24 VDC Fit suppression diode eg 1N4001 as shown if not included inside relay 19 GPS Backup Power To speed the time to first fix do not disconnect or switch off the power supply to the Als Wa
40. it is aS complete and accurate as possible General Warnings The ais WatchMate works in cooperation with other vessels and systems such as transponders and GPS The accuracy of this device and the AIS system can be affected by many factors including equipment failure or defects environmental conditions and incorrect installation handling or use Vesper Marine does not warrant that this product is error free It is the user s responsibility to exercise common prudence and navigational judgment This device should not be relied upon as a substitute for such prudence and judgment Always maintain a permanent watch so that you can respond to situations as they develop The prudent mariner will not rely on a single aid to navigation The user should verify the information obtained from the als WatchMate is in accordance with expected situations and conditions The information is not guaranteed to be accurate or reliable and the Als WatchMate is not a substitute for proper seamanship Vesper Marine Limited cannot be held liable for any injury damage or loss caused by during or because of the installation use or inability to use this device The Ais WatchMate is to be installed and used entirely at your own risk By installing and or using the ais WatchMate you fully accept this risk and agree to hold Vesper Marine Limited harmless VHF Antenna Warning CAUTION Never operate this device unless it is connected to a suitable VHF antenna or Ves
41. it back in again the first time you use it 7 Once you have successfully connected to your ais WatchMate you can enter your vessel details using this screen 299 Fu vespermanine Configure Vessel Dat Serial Data MMSI Vessel Name Call Sign ves Te Show dimensions in Metres Feet Data is always stored in whole metres Therefore not all dimensions in feet can be represented Save Vessel Data 8 When all the information is correct click on the Save Vessel Data button You will receive the following confirmation Click OK if you wish to proceed A WARNING You are programming the MMSI Once the MMSI has been programmed into the device it cannot be changed Enter your MMSI number carefully Do not input an MMSI which has not been properly assigned by the relevant authority for your vessel 9 When you are finished click the Disconnect button 24 Power Button Press the power button momentarily to turn on the aisWatchMate Press and hold the power button for 2 seconds to turn it off While the ais WatchMate is turned on pressing the power button momentarily allows you to change the display brightness One Minute Startup Time The ais WatchMate will not begin to transmit for one minute after it has been switched on This startup time is required to determine background noise levels on the AIS frequencies Initial Profile Setting When you press the power button to tu
42. l You may use the plastic base or pole mounts for this purpose Any damage caused by a non isolated GPS antenna installation is not covered under warranty Compass Safe Distance Mount your AisWatchMate transponder at least 0 6m 2 feet from any compass Test your compass to verify that it operates properly when this device is operating Electronic Waste Recycling electronics Please consult your local authorities or contact Vesper Marine for TT Various regional and national regulations exist regarding the recycling of certain recycling information Care Notice To provide protection against the damaging effects of UV light it is recommended to replace the cover when not in use Take care when cleaning to avoid damage e Be careful when wiping the display screen to avoid scratching Use a clean soft damp cloth e Do not use acid ammonia solvents or any abrasive products Declaration of Conformity Vesper Marine declares that this product is in compliance with the essential requirements and other provisions of the R amp TTE directive 1999 5 EC For details and a copy of the Declaration of Conformity contact Vesper Marine or see www vespermarine com compliance This product is for use worldwide including the following European countries AT BE BG CH CY CZ DE DK LEE ES FI FR GR HU IE IS or ur fur Lu ev wr no NL PL PT RO SE SI SK uK This device is also approved for use in the United
43. layed you can use the following buttons A Scroll your selection up This button is only active if it is possible to scroll up v Scroll your selection down This button is only active if it is possible to scroll down Select Display the safety message Home Return to the situation display 34 Safety Message Display The message display screen is shown when you select a message from the safety message list The sender and full text of the message is shown on this screen When a safety message is first received this screen is automatically shown Message Received From PORT CONTROL 06 26 2010 22 58 UTC LIGHT 12 OUT OF SERVICE UNTIL FURTHER NOTICE Received 01 32 ago When the safety message screen is displayed you can use the following buttons A Display the previous safety message This button is only active if it is possible to scroll up y Display the next safety message This button is only active if it is possible to scroll down List Display the list of all safety messages Home Return to the situation display 35 Fleet List If targets have been marked as being members of your fleet they may be displayed in the fleet list Use this list to view your fleet or remove members from your fleet To add a vessel to the fleet list use the Menu button on the target details screen Weather Reports If meteorological hydrographic messages are transmitted i
44. lied with the ais WatchMate You may extend this cable as necessary It is recommended that any splices made in the cable be done in a weather tight area to prevent corrosion and failed connections Consult a marine electronics technician if you have any difficulties or concerns about installation Insert the connector into the back of the display firmly and completely fully engaging the locking ring to ensure a watertight seal Red DC positive 12 24 volts Ensure there is a circuit breaker or fuse rated at 2A max in the positive power connection It is recommended to add a fuse if necessary If you must extend the power connections it is recommended to use high quality pre tinned marine grade wire which is at least 16 AWG 1 5mm Black DC negative Gray NMEA data output positive Connect this wire to the NMEA data input A or on another device such as a chart plotter or radar Yellow NMEA data output negative Connect this wire to the NMEA data input B or on another device such as a chart plotter or radar Green NMEA data input positive Connect this wire to the NMEA data output A or on another device such as a heading sensor White NMEA data input negative Connect this wire to the NMEA data output B or on another device such as a heading sensor Blue External alarm When the alarm is triggered and the external alarm is enabled this wire will have the input voltage from the red wire appl
45. ls which send continuously updated navigation information An AIS receiver or transponder is used to monitor these transmissions and the Als WatchMate is used to display this information and trigger alarms when there IS a risk of collision BRG The location of another vessel typically expressed as true or magnetic degrees Bearing May also be expressed as relative degrees from your vessel s heading Class A B There are two classes of AIS transponders Class A are used on vessels which have mandatory requirements to carry AIS transponders Class B are used on vessels for which AIS transponders are optional COG Course over ground The course a vessel is making which is not necessarily the same as the vessel s heading CPA Closest point of approach The nearest distance in nautical miles two vessels will come to one another if they both maintain their current course and speed Filter A set of criteria used to determine if a target should be included in the target list such as its range or speed GPS Global Positioning System Used to provide your vessel s current position course and speed IMO International Maritime Organization A unique IMO number is permanently assigned to each ship and may be used to find additional registration information for a particular vessel HDG The course a vessel is steering Heading MMSI Maritime Mobile Service Identity Used as a radio identifier for each vessel with digital radios such as an AIS transpond
46. ly the settings in the currently active profile may be changed If you wish to change the settings for a different profile you must select the profile before entering setup mode While the settings screen is displayed you can use the following buttons A Highlight the previous setting This button is only active if it is possible to scroll up v Highlight the next setting This button is only active if it is possible to scroll down Select Change the highlighted setting Home Save any changes and return to the situation display Any changes you make to settings are stored permanently until you change them again even if you turn off the power Target List Settings Data display in Choose whether to display each target s SOG or CPA in the target list target list The default is to display CPA in the target list However if you are not using the target speed filter you may find it useful to display the target s speed instead Sort targets by Displays targets sorted by their priority A target s priority is based on priority its CPA time until CPA TCPA range and speed You can choose to disable this setting and targets will be displayed in the order in which data was first received from a target Inactive target Selects how many minutes to display a target that is no longer being display time received 48 Alarm Settings Lost position alert Safety message handling
47. n your area they will be placed in a list for you to review The list shows the latitude and longitude of each reporting station By selecting a station from the list you can display the full details received from the station GPS Position Display You may display your current GPS position course heading if available and speed over ground GPS Status Display Use this display to view the signal strength of each GPS satellite in view All satellites in view are shown and those that are being actively used are indicated with a dark bar In addition UTC time computed accuracy HDOP and 2D 3D status is shown 36 AIS Status Display This screen displays information about your AIS transponder s status In the box at the top of the screen the tick marks indicate the primary operational state If any items require attention they will be indicated by this symbol If this symbol is shown the ais WatchMate is not transmitting your vessel s AIS data AIS Transceiver Status MMSI Configured Silent Mode is Off Startup Complete GPS Position Fix Position Report Sent Chan A Chan B Frequency kHz 161975 162025 Mode RX TX RX TX RSSI dBm 124 117 Rx Msg Count 369 374 VSWR TX Msg Count 83 84 Home nif ai A description of each item is shown below MMSI Configured You must configure your ais WatchMate with a valid MMSI before transmission can occur See the Configuration section Silent Mode is Off One of the
48. nge the default orientation or the orientation associated with the current profile If this symbol is not displayed then the display is oriented Heading Up Indicates your AIS data is not being transmitted In order for your AIS data to be transmitted you must have configured the MMSI and the GPS must have a position fix Other reasons are silent mode has been enabled or a base station has commanded your AIS transponder to enter quiet mode You can use the A S Status screen to determine the reason Important The aisWatchMate will not begin to transmit for one minute after it has been switched on This startup time is required to determine background noise levels on the AIS frequencies During this time the warning symbol will be shown When used with a Vesper Marine AIS VHF antenna splitter this symbol indicates the VHF radio is in use and AIS transmissions are temporarily disabled Main Menu The Menu button on the home screen situation display allows you to select an option from the table below Only the options which are currently applicable are displayed on the menu so not all options will always be available Target List Displays the list of targets See the Target List section for more details This option is only available if targets exist Plotting Range Select the maximum range for the situation display The outer range ring corresponds to this selection The inner range ring represents of 28 Profile Clear
49. of the other settings This setting is only available if the CPA alarm setting is not set to OFF 54 Built in Integrity Test BIIT The aisWatchMate continuously monitors its transceiver performance If it detects an error condition you will be notified with a message box and the alarm will beep briefly For certain messages you are able to press the Confirm button to acknowledge the situation and prevent the message from reappearing However this is not possible with all messages and some will reappear whenever the error condition is detected An example message box is shown below Built in Integrity Test ID 001 AIS RECEIVER IS NOT FUNCTIONING Some possible error conditions are AIS RECEIVER CH n SYNTHESIZER LOST LOCK AIS RECEIVER IS NOT FUNCTIONING AIS TRANSMITTER ERROR reason VSWR LEVEL CHECK ANTENNA CONNECTIONS ERROR DETECTED WITH INTERNAL GPS 55 Device Alerts The aisWatchMate will display device alerts sentence xxALR received from other instruments These alerts may indicate operational status or problems When a device alert arrives the message associated with it is displayed and you are given the opportunity to send a confirmation back to the device that generated the alert This tells the device that you have acknowledged the situation The specific types of alerts and messages are determined by the attached devices Please consult the manuals for the other devices for details a
50. on filtered targets You can scroll through the list to select a target to view in detail By default the target list is continuously ordered by priority The priority of a target is based on its CPA TCPA range and speed Higher priority targets are shown at the top of the list In setup mode you can disable this feature if you wish and targets will be displayed in the order they were first received Target BRG RNG CPA PACIFIC PEARL 098m 1 5 0 1 LOAD RUNNER 081m 3 9 CAPTAIN RON 247m 16 1 Select Each target shown in the target list indicates the CPA as well as the bearing and range from your vessel to the target This facilitates visual identification In setup mode you can change whether bearings are shown as true magnetic or relative to your vessel s heading If the target and your vessel are not converging such as when they are moving apart the target s CPA is blank If you wish in setup mode you can configure the target list to display each target s speed over ground SOG rather than CPA When this screen is displayed you can use the following buttons A scroll your selection up This button is only active if it is possible to scroll up v Scroll your selection down This button is only active if it is possible to scroll down Select Display detailed information about the selected target Home Return to the situation display 30 Target Display The target display screen is shown
51. or other labels have been removed or altered the specified input voltage has been exceeded or the external alarm maximum switched current has been exceeded This warranty is void if the product has been operated with an incompatible GPS antenna or without a suitable VHF antenna This warranty is in addition to all other rights available to the consumer under any applicable statute and your statutory rights are not affected by this warranty Vesper Marine retains the exclusive right to repair or replace the unit or offer a full refund of the purchase price at its sole discretion In addition Vesper Marine retains the exclusive right to replace the unit with a factory reconditioned unit or a new unit at its sole discretion Where a replacement is provided the original product becomes the property of Vesper Marine and the warranty will remain from the original purchase date This warranty applies only to products supplied new to you by a stockist or Vesper Marine and you have not bought the product for resale In no event shall Vesper Marine be liable for any incidental special indirect or consequential damages whether resulting from the use misuse or inability to use the product or from defects in the product 61 Obtaining Warranty Service To obtain warranty service please contact us If you are unable to contact Vesper Marine directly then contact the dealer where you purchased the unit You must have the original sales receipt
52. or radius of the circle The distance may be changed at any time 3 Press the Set button to mark your anchor location as you drop your anchor and when it hits the bottom This automatically enables the alarm at your preset distance When the Anchor Watch screen is displayed the bearing from your vessel to the marked anchor location is shown It is shown in either Magnetic or True depending on your Preference Settings which can be adjusted in setup mode The distance between your vessel and the marked anchor location is also displayed This distance may be in feet or meters depending on your Preference Settings The position of your vessel periodically within the last 24 hours is shown as a dot These positions are useful to show your vessel swinging on its anchor They are automatically removed when you reset your anchor position or shut off your als WatchMate Distance to Bearing from your vessel marked location to the marked location 2 1 To Anchor m Position Distance Alarm distance from Your vessel s Enabled disabled marked location current position indicator Previous positions 39 Use the following buttons from the Anchor Watch screen Reset Reset the anchor location to your current position Dist Adjust the alarm distance radius of the circle Enable Turn the alarm on or off Disable Home Return to the situation display Note If the alarm is enabled it will remain active U
53. ou plus doit tre maintenue entre l antenne de ce dispositif et les personnes pendant son fonctionnement Pour assurer la s curit les operations plus pres de cette distance ne sont pas recommand es L antenne utilis e pour ce transmetteur ne doit pas tre co localis s avec toute autre antenne ou transmetteur Ce dispositif a ete concu pour fonctionner avec une antenne ayant un gain maximalde 3dBi Les antennes ayant un gain sup rieur a 3dBi sont strictement interdits pour une utilisation avec cet appareil L impedance d antenne requise est de 50 ohms Pour r duire le risque d interf rence aux autres utilisateurs le type d antenne et son gain doivent tre choisis pour que la puissance isotrope rayonn e equivalente PIRE ne soit pas sup rieure a celle requise pour une communication r ussie MMSI Programming Warning IMPORTANT In most countries the operation of an AIS unit is included under the vessel s marine VHF license provisions and the vessel on which this device is to be installed may be required to possess a current VHF radiotelephone license which lists the AIS system and the vessel Call Sign and MMSI number An MMSI number is required in order for this device to operate as a transmitter Please contact the relevant authority in your country for more information For Customers in the USA This device must be programmed with data corresponding to the vessel on which it will be installed Programming must be carried
54. per Marine AIS VHF antenna splitter Transmitting without an antenna may damage this device RF Emissions Warnings WARNING Changes or modifications not expressly approved by Vesper Marine could void the user s authority to operate this equipment CAUTION This device generates and radiates electromagnetic energy This device must be installed and operated according to the instructions contained in this manual Failure to do so may result in product malfunction and or exposure to potentially harmful levels of radio frequency radiation CAUTION The system has a Maximum Permissible Exposure MPE radius of 1m from the antenna This has been determined assuming the maximum power of the transmitter and using a standard half wave monopole VHF antenna with a maximum gain of 3dBi and termination impedance of 50 ohms When installing the antenna and operating the equipment consider the following e The antenna should be mounted as high above deck as possible e Higher gain VHF antennas will require a larger MPE radius e Do not operate the unit when anyone is within the MPE radius of the antenna e The antenna should not be collocated or operated in conjunction with any other transmitting antenna This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause
55. ralia and New Zealand The AIS WatchMate is warranted when properly installed and used to be free from defects in materials or workmanship for two years from the date the product was purchased by the first retail customer This warranty applies to the original retail purchaser only and is not transferable Within this period Vesper Marine will at its discretion repair or replace any components which fail in normal use Repairs or replacement will be made at no charge for parts or labour provided that the customer shall be responsible for any transportation costs This warranty does not cover failures due to abuse misuse accident improper installation unauthorized alterations or repairs shipping damage wear and tear or corrosion This warranty will not apply if the product s external housing has been opened the serial number or other labels have been removed or altered the specified input voltage has been exceeded or the external alarm maximum switched current has been exceeded This warranty is void if the product has been operated with an incompatible GPS antenna or without a suitable VHF antenna This warranty is in addition to all other rights available to the consumer under any applicable statute and your statutory rights are not affected by this warranty Vesper Marine retains the exclusive right to repair or replace the unit or offer a full refund of the purchase price at its sole discretion In addition Vesper Marine retains the
56. require GPS data for your vessel These alarms will not be triggered if GPS data is not available However if you set the guard alarm to ALL then the alarm will sound regardless of whether GPS data is available or not You can use this feature if you have not connected the aisWatchMate to a GPS but wish to be alerted when targets are present This is the only alarm setting that will work when GPS data for your vessel is not available CPA Alarm A CPA alarm is triggered when a target meets the criteria you have established When a CPA alarm occurs the target that caused the alarm is displayed Press the Mute button to silence the alarm No further alarms will be triggered for this target However if you wish to 45 re enable CPA alarms for this target again use the Enable Alarms menu item Naturally if the target is still within the parameters established for triggering a CPA alarm the alarm will immediately sound again for that target There are several settings that control when a target triggers a CPA alarm CPA alarm The distance in nautical miles which causes a CPA alarm to be triggered If a target has a CPA of this value or less an alarm will be triggered for that target unless the alarm is suppressed by any of the other settings described below This allows you to generate an alarm for any target that is predicted to come too close CPA alarm The time in minutes of when the CPA will occur If the
57. rget list Alarms are not triggered for filtered targets The total count of filtered targets is displayed on the situation display Selecting OFF disables the target range filter It is not recommended to set this value too low since it may filter out all targets and alarms 59 Target CPA filter This specifies the maximum CPA value a target can have and still be displayed Any targets with a CPA greater than this value will be filtered Use this filter to eliminate targets which will pass at a safe distance Alarms are not triggered for filtered targets The total count of filtered targets is displayed on the situation display Selecting OFF disables the target CPA filter Selecting All Non converging indicates that all targets that do not have a CPA meaning they are not on a converging course will be filtered If this setting is lower than the CPA alarm Target Speed setting a warning is displayed to indicate you may be filtering more targets than you intend Target TCPA filter Guard alarm range This specifies the maximum TCPA value a target can have and still be displayed Any targets with a TCPA greater than this value will be filtered Use this filter to eliminate targets which will not be nearby soon Alarms are not triggered for filtered targets The total count of filtered targets is displayed on the situation display Selecting OFF disables the target TCPA filter
58. rn on the aisWatchMate you will be prompted to select the current profile This allows you to switch profiles before any alarms are triggered No alarms will be triggered while the profile selection window is displayed You must select a profile and press the OK button Buttons The ais WatchMate is designed to be simple and intuitive to operate In addition to the power button there are only four buttons Next to each button on the screen is a box indicating the button s function If no box appears next to a button then the button performs no function at that time 95 Display Screens Home Page Situation Display The home page displays targets using a graphical situation display similar to a radar The display is oriented either Heading Up or North Up depending on the profile and settings If heading data is not available for your vessel then it is oriented course up or north up The heading or course may be displayed in magnetic or true degrees depending on a setting in setup mode You must have a valid GPS fix for any targets to be shown on the situation display Total targets and Your heading filtered targets Plotting range v 3 Targets 1 Filtered Current Alarm Profile Your position Guard range Transmit warning Ordinary target Safety messages Dangerous target 26 Range Rings The outer range ring corresponds to the current plotting range The inner range ring is 1 2 the plotting ran
59. se conditions 1 You have enabled silent mode See the Silent Mode setup option under AIS Transceiver Setup 2 Your transponder has been commanded by a base station to enter quiet mode You cannot override this command Normal transmissions will resume automatically at a later time Startup Complete GPS Position Fix Position Report sent There is a one minute startup time whenever you switch on the Als WatchMate During this time background noise levels are determined Your ais WatchMate must have a valid GPS fix in order to transmit See the GPS Status screen to determine satellite signal strengths If you are unable to achieve a GPS fix due to low satellite strength consider using an optional accessory external antenna or moving the unit or antenna Always place GPS antennas as far away as possible from other antennas such as radar antennas Indicates that the last scheduled position report was sent It is normal to occasionally miss a position report when operating in busy areas 37 Frequency The radio frequency assigned to each channel You cannot change this value Mode The operating mode for each each channel You cannot change this value RSSI The background noise level for each channel This is for informational purposes Rx Msg Count The number of AIS messages that have been successfully received on each channel Tx Msg Count The number of AIS messages that have be
60. se of Heading Data If heading data is available your vessel is shown oriented by its heading If heading data is not available your vessel is shown oriented by its course and it is likely it will not correspond accurately with reality It is also normal for the orientation of your vessel to fluctuate or point north in this circumstance Effect of GPS Antenna Reference Location The Anchor Watch determines the position of the bow of your vessel and uses it when marking your anchor location and also when plotting your current vessel position This increases accuracy as your vessels swings around its anchor However this can only be done if a heading sensor is connected to your als WatchMate It also requires that your vessel s GPS antenna reference location A B C D is configured using the AIS Transceiver Setup screen If a heading sensor is not connected or your GPS antenna reference location is not configured then the Anchor Watch uses the position of your GPS antenna for both marking the anchor location and vessel positions Auto Clear If the Anchor Watch alarm is not enabled and your vessel has moved a significant distance from its previously marked anchor location the Anchor Watch automatically clears the previously marked location This allows you to more easily set a new anchor watch using the procedure above each time you move to another location 40 Icon Meanings Within Anchor Watch 2 mR Your vessel The reference po
61. setup display a list of all targets in priority order or view the list of received weather or safety messages Note Because the order of targets shown with the Next and Prev buttons depends on their priority pressing Next and Prev may not always bring you back to the same target if their priorities have changed This occurs more frequently when targets or your own vessel are making course changes 2 OF es Icon Meanings A TD D X N A E An ordinary target The triangle points in the direction of the target s heading or course if heading data is not available for the target A dangerous target This target meets one or more of your alarm criteria An aid to navigation A dangerous aid to navigation This target meets one or more of your alarm criteria A search and rescue transponder AIS SART This symbol appears around a target to indicate it is the currently selected target Press the Select button to view the complete target details This symbol is overlayed over a target to indicate the target is lost No AIS data has been received from the target within the expected interval or 10 minutes for targets that haven t reported their position The expected interval is based on AIS specified transmission intervals and determined by AIS class and speed A circle appears around a target that is marked as a member of your fleet Display is oriented North Up for this profile Use setup to cha
62. sition of your GPS antenna is not Known or heading data is not available Your vessel The dot at the bow indicates that your position is referenced to the bow of your vessel The alarm is enabled and will sound if your vessel moves outside the circle Adjust the distance from your marked anchor location by using the Dist button Note To prevent nuisance alarms the alarm does not sound immediately when your vessel moves outside the circle It may take several seconds for the Anchor Watch to confirm your vessel s position is outside the circle before sounding the alarm The alarm is disabled The Anchor Watch screen is always displayed North Up This cannot be changed 41 Displaying Information About your AIS WatchMate You can display the following information by selecting About your AIS WatchMate from the display settings menu This information is provided for reference and technical support purposes About your AIS WatchMate Model WMX850 Revision B S N XXXXXXXX Firmware 5 04 1501 Calibrated Yes Input power 12 24 VDC 1A max 3W nom Compass safe 0 6m Hardware Features GPS V4 AIS Receiver Y AIS Transmitter VW Back 49 Placing Individual DSC Calls If you have a compatible DSC radio you can use your ais WatchMate to place an individual DSC call to another vessel without having to enter the other vessel s MMSI number manually into your VHF radio To use this feature you must connec
63. t a compatible VHF radio s NMEA input to the Als WatchMate NMEA output You must also select NMEA only 4800 for the NMEA output port setting on your als WatchMate Once this has been done an additional menu option will appear in the menu top button on the target display screen Selecting the DSC Cal menu option brings up a small window that allows you to select the working channel PACIFIC PEARL BRG 275m RNG 4 46nm Select Working Channel PACIFIC PEARL Restricted maneuverabilit S 08 50 068 Ww 140 15 014 Cancel Received 00 07 ago Use the arrow buttons to scroll up down to the desired channel The last used working channel is remembered and becomes the default for subsequent calls Use the Call button to place the call or Cancel to return to the target display without calling NOTE This feature requires a compatible VHF radio that accepts the NMEA 0183 DSC sentence This will work with certain Icom radios and may work with other brands Some radios may require a firmware upgrade Vesper Marine publishes a list of compatible radios on its website at www vespermarine com We are interested in learning which other VHF radios support this capability If you have tried this feature and found it to work please tell us by contacting support vespermarine com or visit the support section of our website www vespermarine com If your VHF radio is not compatible or is not properly connected then using the DS
64. tant notes 1 No other targets are shown on this display Only the current target and your vessel are displayed 2 The plotting distance shown on the screen between your vessel and the target is always the same regardless of the actual CPA Always use the CPA value displayed to confirm the expected distance at the time of closest point of approach 99 Safety Message List The message list displays safety messages received from other vessels and shore stations Safety messages are free form text and may pertain to emergencies port operations hazard warnings weather or other important information They may be broadcast to all AlS equipped vessels within range or may be specifically addressed to your vessel You can send a pre programmed MAYDAY safety message to all AlS equipped vessels within range by selecting the Send MAYDAY option from the main menu When a safety message is received the message is displayed immediately and an alert is sounded by beeping the alarm several times If you wish you can disable the beep in setup mode The list of received safety messages is available from the main menu of the situation display The message list shows the sender and as much of the message as can fit on each line To view the full message select it from the message list Safety Messages PILOT TANKER MANEUVERING PORT CONTROL LIGHT 12 OUT MET SERVICE GALE WARNING Select When the safety message list is disp
65. tchMate lf you do switch off the power supply it may take longer for the built in GPS to acquire satellite data and a position fix You can switch the unit off using the power button on the front and it will continue to maintain the GPS almanac data as long as the power supply to the aisWatchMate is maintained An extremely small amount of power is used to maintain the GPS data so it should not have any significant effect on your battery However if you wish to completely turn off the Als WatchMate such as when storing your vessel for an extended time disconnect or switch off the power supply Using the USB Connection If you wish to connect your AisWatchMate to your PC for use with charting or other software use a USB cable with a Mini B male connector One has been included with your Als WatchMate These are also widely available from computer stores Vesper Marine has available an optional waterproof USB cable which is highly recommended if your AisWatchMate is installed in a location where it is possible to get wet The aisWatchMate utilizes standard drivers that are supplied with Windows but in case the Found New Hardware Wizard cannot locate the proper drivers they are also included on the supplied CD The driver creates a virtual COM port which will be displayed the first time the Als WatchMate is plugged into your computer You will need to configure your software to use this port eg COM3 at 38 400 baud 20
66. ted RS422 1 NMEA output non isolated RS422 AlS messages displayed All Class A and Class B position reports voyage data static data aids to navigation search and rescue SART meteorological hydrographic and broadcast safety messages 1 2 3 5 8 9 14 18 19 21 24A 24B GPS sensitivity 159dBm tracking amp navigation 142dBm acquisition GPS SBAS support WAAS EGNOS MSAS GAGAN Maximum number of 150 if more then the lowest priority target is replaced simultaneous targets displayed Number of transmitters 1 AIS Maximum number of 30 if more then the oldest message is replaced simultaneous broadcast safety messages displayed Maximum number of 30 if more then the oldest received meteorological simultaneous meteorological information is replaced stations displayed 12 Maximum fleet size 50 vessels External alarm Maximum current 150mA Use an external relay if more is required Power data connector 10 pin circular 2m cable included USB connector Mini USB USB 2 0 GPS antenna connector TNC Optional GPS antenna available 50 ohm 3 3 VDC VHF antenna connector SO 239 VHF antenna required PL 259 connector 50 ohm max 2 1 VSWR Vesper Marine is committed to continuously improving our products As a result specifications may change and there may also be differences between the product and this manual 13 182mm 7 1 4 AsWatchMate Flush Mounting Template 110mm 4 3 8 118mm
67. the display on at all times When enabled this feature reduces power consumption when there are no targets or messages to display About your AIS Displays information containing your product model serial number WatchMate version and other data See the section Displaying Information About Your AlS WatchMate for more details Preference Settings Language Select the language you wish to use Date format Select between MM DD and DD MM This setting determines how a target s ETA is displayed 50 Metric or imperial Button sound Select the units metres or feet to use for displaying target dimensions Enable or disable a brief sound whenever a button is pressed AIS Transceiver Silent Mode Enable or disable the AIS transmitter This feature may be used in situations where you do not wish to transmit your vessel data Your vessel AIS details Configure your vessel details for transmission to other vessels via AIS The ais WatchMate will not transmit until you have configured your vessel details See the Configuration section for more details 1 0 Port Settings NMEA input Select the type of device connected to supply input on this port Choose from NMEA 4800 baud or NMEA 38400 baud NMEA output Select the type of data to output on this port Choose from NMEA only at 4800 baud AlS only and NMEA AIS at 38400 baud Note All data input on t
68. udes messages broadcast from other vessels and shore stations which may be used to send navigation warnings weather information etc The Als WatchMate displays this information on the messages page and by default is configured to sound an alert when a message is received We are always interested in your Suggestions comments ideas and criticisms We continuously strive to improve our products and would greatly enjoy hearing from you Please contact us through our website www vespermarine com or via e mail to support vespermarine com Important Information Before using the als WatchMate it is important that you read and fully understand this owner s manual and installation instructions Although more vessels continue to install AIS transponders it is important to remember that not all vessels carry AIS transponders The aisWatchMate can only display information received from properly equipped and operated vessels In addition the aisWatchMate relies on the accuracy of the GPS system A failure or compromised operation of either of these systems will reflect on the accuracy of the data displayed and alarms triggered by the Als WatchMate siie Specifications Size not including cables or 208mm wide x 135mm high x 76mm depth mounting bracket 8 3 16 x 5 5 16 x 3 mm 6 25 C to 55 C 13 F to 131 F 25 C to 80 C 13 F to 176 F 125mm 5 FSTN 320x240 backlit USB port isolated 1 NMEA input isola
69. us screen allowing you to select another field to modify If you make a mistake and want to go back to the previous character position press the Enter button to accept the value and then press the Modify button to change it again When you have finished entering your configuration data press the OK button to save your changes Important Notice You cannot change the MMSI number once it has been saved in the unit Enter the number carefully and only use an assigned MMSI for your vessel If you need to change the MMSI number in your unit you must contact an authorized dealer or Vesper Marine The ais WatchMate will not transmit your data until your MMSI has been entered When you enter your MMSI number and press the OK button to save it the following screen is displayed Press the Yes button to proceed and save your changes Press the No button to return to the configuration screen If you wish to abort the configuration operation without saving any changes press and hold the power button for 2 seconds 99 Are you sure Set MMSI to XXXXXXXXX WARNING You cannot change this value after it is set Do not enter a false or unassigned MMSI number It is a violation of FCC rules in the United States and in other countries to enter a false or unassigned MMSI number Using the vmAIS Configuration Program An alternative method for entering your MMSI and vessel details is the vmAIS program supplied on the inclu
70. value for its settings but you can change these values and they will remain at your selected settings until you change them again even after you turn the unit off You can switch profiles or make changes to the settings associated with a profile at any time To change the settings associated with a profile you must select the profile first and then enter setup mode 46 Harbor This profile is intended to be used when navigating within a harbor where frequent shipping and AIS traffic is expected Coastal This profile is intended to be used when navigating along a coast or shore where occasional shipping and AIS traffic is usually encountered Offshore This profile is intended to be used when navigating in open ocean situations where little shipping and AIS traffic is expected Anchor This profile is intended to be used when anchored or moored and when you only want to view AIS information from other vessels By default no alarms are enabled in this profile LAT Setup Mode Setup mode is entered by selecting Setup from the main menu on the situation display In setup mode the list of available setting groups are displayed Scroll through the list and select the setting group you wish to change You may then follow the same procedure to select the specific setting you wish to change and a pop up box is displayed with the available options for that setting Note Filter and alarm settings are associated with a profile and on
71. vessel s current heading 10 Closest point of The CPA is the closest a target will come to your vessel if both your approach CPA vessel and the target maintain their existing course and speed It is displayed in nautical miles to the nearest tenth or hundredth As either your vessel or the target changes its course or speed the CPA along with all other computed data is automatically recomputed and redisplayed Time until CPA TCPA This is the amount of time until the CPA will occur It indicates how much time is available before the two vessels will reach their nearest distance to each other It is displayed in minutes and seconds or just minutes if the time exceeds one hour The ais WatchMate automatically updates these computed values whenever new information is received from a target and also whenever your vessel s position speed or course changes The information displayed is always the most up to date available but because the AIS and GPS systems do not guarantee the frequency of updates from each vessel it can be inaccurate and can become further inaccurate as time progresses without continuous updates from both vessels Always check to see how long it has been since an update was received from a vessel when relying on this information particularly in close situations You do this by examining the age of the target See the target display section for more details The AIS system also incl
72. when you select a target from the target list or situation display This screen contains detailed information about the target The information displayed will vary depending on how much data has been received from the target and the type of target AlS data for a target is received in several types of messages and those messages may be received at different times The interval at which a target sends messages is based on the type of message class of target its soeed rate of turn and other factors As a result certain information may not be available immediately from a target However the aisWatchMate displays available information as soon as it has been received lf you are viewing a target when new data arrives for that target the screen is refreshed with the new data Until voyage information has been received for a target its name is not available In this case its MMSI number will be displayed instead of the name and will look like lt 735023456 gt Since voyage information is received at a different interval than navigation information it may take several minutes to appear A target may specify its navigation status and if available it is displayed as Motoring Sailing Anchored Moored etc The navigation status may not be accurate An important piece of information indicates when data was last received from a target This is shown at the bottom of the target details screen Although bearing range CPA and

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