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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
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.

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Summary of Contents for WMX850

Page 1: ...WMX850 505D 0512 AISWatchMate Class B AIS Transceiver Model WMX850 ...

Page 2: ... any other document provided by Vesper Marine Ltd although every effort has been made to ensure it is as complete and accurate as possible General Warnings The AISWatchMate works in cooperation with other vessels and systems such as transceivers 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...

Page 3: ...ation impedance of 50 ohms When installing the antenna and operating the equipment consider the following The antenna should be mounted as high above deck as possible Higher gain VHF antennas will require a larger MPE radius Do not operate the unit when anyone is within the MPE radius of the antenna The antenna should not be collocated or operated in conjunction with any other transmitting antenna...

Page 4: ...r 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 mètre ou plus doit être maintenue entre l antenne de ce dispositif et les personnes pendant son fonctionnement Pour assurer la sécurité les opérations plus près de cette distance ne sont pas recommandées L a...

Page 5: ...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 AISWatchMate is installed on under or near large metal structures If you are mounting the display in a location which will not provide adequate GP...

Page 6: ...st regarding the recycling of certain electronics Please consult your local authorities or contact Vesper Marine for 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 Be careful when wiping the display screen to avoid scratching Use a clean soft damp cloth D...

Page 7: ...hnical requirements EN 50385 2002 Product standard to demonstrate the compliance of radio base stations and fixed terminal stations for wireless telecommunication systems with the basic restrictions or the reference levels related to human exposure to radio frequency electromagnetic fields 110MHz 40GHz General Public EN 50383 2002 Basic standard for the calculation and measurement of electromagnet...

Page 8: ...16 GPS Antenna Installation 17 Connectors 18 Power Data Cable Wiring 18 Minimum Connections 19 Connecting an Optional Heading Sensor or Chart Plotter 19 Connecting an Optional External Alarm 20 Using a Relay to Control a High Current External Device 20 GPS Backup Power 21 Using the USB Connection 21 Configuration Entering Your MMSI and Vessel Details 22 Using the vmAIS Configuration Program 24 Pow...

Page 9: ...48 Coastal 48 Offshore 48 Anchor 48 Setup Mode 49 Target List Settings 49 Alarm Settings 50 Navigation Settings 50 Display Settings 51 Preference Settings 52 AIS Transceiver 52 I O Port Settings 52 Additional Settings 52 Settings Associated with Each Profile 52 Built in Integrity Test BIIT 56 Device Alerts 57 Troubleshooting 58 Examining Received NMEA Data 59 Warranty North America 60 Warranty Aus...

Page 10: ... 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 Heading The course a vessel is steering MMSI Maritime Mobile Service Identity Used as a radio identifier for each vessel with digital radios such as an AIS tr...

Page 11: ...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 in a prioritized fashion you can focus your interest on the targets most likely...

Page 12: ... 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 includes messages broadcast from other vessels and shore stations which may be used to send navigation warnings weather information etc The AISWatchMate displays this information on th...

Page 13: ...essages 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 Number of receivers 2 AIS 1 DSC timeshared Number of transmitters 1 AIS Receive frequency range 156 025 162 025 MHz Transmit frequency range 161 500 162 025 MHz Channel bandwidth 25 kHz...

Page 14: ...ed 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 ...

Page 15: ... 15 ...

Page 16: ...a which cannot be shared 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 m...

Page 17: ...be kept isolated from conductive objects at all times See the caution notice below If you choose to use another GPS antenna only use a 3 3VDC active antenna that contains a low noise amplifier Any damage caused by using an incompatible GPS antenna is not covered under your warranty The GPS antenna should be situated so it has an unobstructed view of the sky above Do not place the GPS antenna near ...

Page 18: ... pre tinned marine grade wire which is at least 16 AWG 1 5mm2 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 d...

Page 19: ... 19 Minimum Connections Connecting an Optional Heading Sensor or Chart Plotter ...

Page 20: ...nt 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 ...

Page 21: ... 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 AISWatchMate These are also widely available from computer stores Vesper Marine has available an optional waterproof USB cable which is highly recommended if your ...

Page 22: ...ours 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 Move the selection box to the previous field 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...

Page 23: ...tton 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 AISWatchMate will not transmit your data until your MMSI has been entered When you enter your MMSI number...

Page 24: ...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 i...

Page 25: ...5 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 9 When you are finished click the Disconnect button ...

Page 26: ...the AIS frequencies Initial Profile Setting When you press the power button to turn 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 AISWatchMate is designed to be simple an...

Page 27: ...hen 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 Select Menu Prev Next 042T 6nm Coastal 3 Targets 1 Filtered 1 Msg Plotting range Current Alarm Profile Nav Aid Your position Your heading Total targets and filtered targets...

Page 28: ...he 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 availab...

Page 29: ...hen 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 transceiver to enter quiet mode You can use the AIS Status screen to determine the reason Important The AISW...

Page 30: ...operational status You may use this to determine the reason for transmit warnings and number of messages sent received Send MAYDAY Sends a MAYDAY broadcast safety message to all AIS 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 rec...

Page 31: ...our 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 th...

Page 32: ...nce 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 ...

Page 33: ...et 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 secti...

Page 34: ...ing in setup mode Important 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 Back 042T Your position Your he...

Page 35: ...ty 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...

Page 36: ...age is first received this screen is automatically shown When the safety message screen is displayed you can use the following buttons Display the previous safety message This button is only active if it is possible to scroll up 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 displ...

Page 37: ...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 A...

Page 38: ...ver 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 There is a one minute startup time whenever you switch on the AISWatchMate During this time background noise levels are determined GPS Position Fix Your AISWatchMate must have a valid GPS fix in order to transmit See the GPS S...

Page 39: ...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 ante...

Page 40: ...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...

Page 41: ...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 AISWatchMate 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 ...

Page 42: ...ill 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 Anch...

Page 43: ...formation 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 ...

Page 44: ...annel 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 c...

Page 45: ... 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 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 Specifies the maximum CPA allowed...

Page 46: ... 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 ...

Page 47: ... suppress alarms for targets which are either stationary anchored or moored or are moving very slowly drifting fishing etc CPA alarm your speed The speed in knots that your own vessel must be moving in order to allow 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...

Page 48: ...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 ...

Page 49: ...is possible to scroll up 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 target list Choose whether to display ea...

Page 50: ...a NMEA device alert message is displayed press the Confirm or Ignore button See the section on NMEA Device Alerts and transceivers in this document Alarm mode 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 Ext...

Page 51: ...s but introduces a wider amount of fluctuation GPS SBAS WAAS EGNOS Use this setting to enable or disable GPS differential corrections received from Satellite Based Augmentation Systems such as WAAS EGNOS MSAS and GAGAN Simulation mode 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 ...

Page 52: ...ut port regardless of this setting This allows you to use the AISWatchMate 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 settin...

Page 53: ...om 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 f...

Page 54: ...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 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 Guard alarm range This specifies a range in nautical miles Targets within this range wi...

Page 55: ...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 avai...

Page 56: ...ledge 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 ERRO...

Page 57: ...The specific types of alerts and messages are determined by the attached devices Please consult the manuals for the other devices for details about 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 b...

Page 58: ...rget will trigger an alarm CHECK ANTENNA CONNECTIONS error appears Verify that your antenna cable and connections are good Most problems are the result of an open or shorted connector Use a 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 para...

Page 59: ...ceived on the NMEA port press and hold the 2nd button 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 th...

Page 60: ...n operated with an incompatible GPS antenna or without a suitable VHF antenna 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 THE WARRANTIES AND REMEDIES CONTAINED...

Page 61: ...eded 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...

Page 62: ...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 repa...

Page 63: ...riginal sales receipt Online auction confirmations are not acceptable as an original sales receipt Vesper Marine Ltd 103 Westhaven Drive St Mary s Bay PO Box 91164 Victoria Street West 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 repa...

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