Garmin GPSMAP 800 Series Owner's Manual
Also see for GPSMAP 800 Series: Installation manualPilot's guide addendumOwner's manualQuick start manualOwner's manual
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Contents
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• Ensure the device is using the latest software. If not, updatethe device software (Updating the Device Software).• If the device is using an internal GPS antenna, make sure thedevice has a clear view of the sky so that the internalantenna can receive the GPS signal. If it is mounted inside ofa cabin, it should be close to a window so it can receive theGPS signal. If the device is mounted inside a cabin andcannot be placed in a location where the device can acquiresatellites, use an external GPS antenna.• If the device is using an external GPS antenna, make surethe antenna is connected to the chartplotter or the NMEAnetwork.• If the device has more than one GPS antenna source, selecta different source (Selecting the GPS Source).My device will not turn on or keeps turning offDevices erratically turning off or not turning on could indicate anissue with the power supplied to the device. Check these itemsto attempt to troubleshoot the cause of the power issue.• Make sure the power source is generating power.You can check this several ways. For example, you cancheck whether other devices powered by the source arefunctioning.• Check the fuse in the power cable.The fuse should be located in a holder that is part of the redwire of the power cable. A 3 Amp fuse is used in this powercable. Check the fuse to make sure there is still a connectioninside of the fuse. You can test the fuse using a multimeter. Ifthe fuse is good, the multimeter reads 0 ohms.• Check to make sure the device is receiving is at least 10volts, but 12 volts is recommended.To check the voltage, measure the female sockets 8 (power)and 2 (ground) of the power cable for DC voltage. If thevoltage is less than 10 volts, the device will not turn on.• If the device is receiving enough power but does not turn on,contact Garmin product support at www.garmin.com/support.My device is not creating waypoints in the correctlocationYou can manually enter a waypoint location to transfer andshare data from one device to the next. If you have manuallyentered a waypoint using coordinates, and the location of thepoint does not appear where the point should be, the mapdatum and position format of the device may not match the mapdatum and position format originally used to mark the waypoint.Position format is the way in which the GPS receiver's positionappears on the screen. Commonly displayed as latitude/longitude in degrees and minutes, with options for degrees,minutes and second, degrees only, or one of several gridformats.Map datum is a math model which depicts a part of the surfaceof the earth. Latitude and longitude lines on a paper map arereferenced to a specific map datum.1 Find out which map datum and position format was usedwhen the original waypoint was created.If the original waypoint was taken from a map, there shouldbe a legend on the map that lists the map datum and positionformat used to create that map. Most often this is found nearthe map key.2 On the chartplotter, select Settings > Units.3 Select the correct map datum and position format settings.4 Create the waypoint again.NMEA 0183 InformationType Sentence DescriptionTransmit GPAPB APB: Heading or track controller(autopilot) sentence "B"GPBOD BOD: Bearing (origin todestination)GPBWC BWC: Bearing and distance towaypointGPGGA GGA: Global positioning systemfix dataGPGLL GLL: Geographic position(latitude and longitude)GPGSA GSA: GNSS DOP and activesatellitesGPGSV GSV: GNSS satellites in viewGPRMB RMB: Recommended minimumnavigation informationGPRMC RMC: Recommended minimumspecific GNSS dataGPRTE RTE: RoutesGPVTG VTG: Course over ground andground speedGPWPL WPL: Waypoint locationGPXTE XTE: Cross track errorPGRME E: Estimated errorPGRMM M: Map datumPGRMZ Z: AltitudeSDDBT DBT: Depth below transducerSDDPT DPT: DepthSDMTW MTW: Water temperatureSDVHW VHW: Water speed and headingReceive DPT DepthDBT Depth below transducerMTW Water temperatureVHW Water speed and headingWPL Waypoint locationDSC Digital selective callinginformationDSE Expanded digital selective callingHDG Heading, deviation, and variationHDM Heading, magneticMWD Wind direction and speedMDA Meteorological compositeMWV Wind speed and angleVDM AIS VHF data-link messageYou can purchase complete information about National MarineElectronics Association (NMEA) format and sentences from: NMEA,Seven Riggs Avenue, Severna Park, MD 21146 USA (www.nmea.org)NMEA 2000 PGN InformationType PGN DescriptionTransmit and receive 059392 ISO acknowledgment059904 ISO request060928 ISO address claim126208 NMEA: Command, request, andacknowledge group function126996 Product information127250 Vessel heading128259 Speed: Water referenced128267 Water depth129539 GNSS DOPs36 Appendix |
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