Item DescriptionÀ 12 Vdc power sourceÁ Wiring harness NMEA 0183-compliant deviceItem Garmin WireFunctionGarmin WireColorNMEA 0183 Device WireFunctionÊ Power Red PowerË Ground Black Data groundÌ Tx Blue Rx/A (+)Í Rx Brown Tx/A (+)SpecificationsDevice Specification MeasurementechoMAP CHIRP40Dimensions (W x H xD)10.2 x 16.8 x 4.6 cm (4 x6.6 x 1.8 in.)Display size (W x H) 5.4 x 9.5 cm (2.1 x 3.7 in.)Weight 0.4 kg (0.9 lbs.)Power input From 9 to 18 VdcMax. power usage 5 WCompass-safe distance 25 cm (9.8 in.)echoMAP CHIRP50Dimensions (W x H xD)17.3 x 13.5 x 4.4 cm (6.81x 5.35 x 1.73 in.)Display size (W x H) 9 x 9 cm (3.54 x 3.54 in.)Weight 0.58 kg (1.28 lbs.)Power input From 9 to 18 VdcMax. power usage 7.1 WCompass-safe distance 70 cm (27.6 in.)All Models Temperature range From -15 to 55°C (from 5to 131°F)Material Polycarbonate plasticWater rating* IEC 60529 IPX7Transmit power(RMS)**500 WMaximum depth*** 701 m (2,300 ft) at 77 kHzFrequencies**** • CHIRP Traditional: 50,77, 83, or 200 kHz• CHIRP DownVü: 260,455, or 800 kHz.*The device withstands incidental exposure to water of up to 1 mfor up to 30 min. For more information, go to www.garmin.com/waterrating.**Dependent upon transducer rating and depth.***Maximum depth, dependent upon transducer, water salinity,bottom type, and other water conditions.****Dependent upon echoMAP model.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 viewType Sentence DescriptionGPRMB 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 temperatureRMC/GGA/GLL GPS positionVHW 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 DOPs129799 Radio frequency, mode, and power130306 Wind data130312 TemperatureTransmit 126464 Transmit and receive PGN list groupfunction127258 Magnetic Variance129025 Position: Rapid update129026 COG and SOG: Rapid update129029 GNSS position data129283 Cross track error129284 Navigation data129285 Navigation route and waypoint info5