Garmin GPSMAP 431 Manual

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GPSMAP 400/500 Series Installation Instructions 11

Sonar

Power: 1 kW Transducer, 1,000 W (RMS),

8,000 W (peak to peak); (1 kW transducers are supported by the

GPSMAP 525s/526s/535s/536s/545s/546s/555s/556s units only.)

Dual Frequency, 500 W (RMS), 4,000 W (peak to peak);

Dual Beam, 400 W (RMS), 3,200 W (peak to peak)

Frequency: 50/200 kHz (dual frequency and 1 kW), 80/200 kHz (dual

beam)

Depth: 2,500 ft. (762 m) (1 kW), 1,500 ft (457 m) (dual frequency),

900 ft (274 m) (dual beam) - Depth capacity is dependent on

water salinity, bottom type, and other water conditions.

Communication



Receive Transmit

059392 ISO Acknowledgment 059392 ISO Acknowledgment

059904 ISO Request 059904 ISO Request

060928 ISO Address Claim 060928 ISO Address Claim

126208 NMEA - Command/Request/Acknowledge Group Function 126208 NMEA - Command/Request/Acknowledge Group Function

126464 Transmit/Receive PGN List Group Function 126464 Transmit/Receive PGN List Group Function

126996 Product Information 126996 Product Information

127250 Vessel Heading 127250 Water Depth

127488 Engine Parameters - Rapid Update 128259 Speed - Water Referenced

127489 Engine Parameters - Dynamic 128267 Water Depth

127505 Fluid Level 129025 Position, Rapid Update

128259 Speed - Water Referenced 129026 COG/SOG Rapid Update

128267 Water Depth 129029 GNSS - Position Data

129038 AIS Class A Position Report 129283 Cross Track Error

129039 AIS Class B Position Report 129284 Navigation Data

129040 AISClassBExtendedPositionReport 129285 Navigation - Route/WP information

129794 AIS Class A Static and Voyage Related Data 129539 GNSS DOPs

129799 Radio Frequency/Mode/Power 129540 GNSS Sats in View

129808 DSC Call Information 130306 Wind Data

130306 Wind Data

130310 Environmental Parameters

130311 Environmental Parameters (Obsolete) Compatible GPSMAP 400/500 series chartplotters

areNMEA2000certied.

130312 Temperature

130313 Humidity

130314 Actual Pressure

 SDDBT, SDDPT, SDMTW, SDVHW, SDWPL

You can purchase complete information about National Marine Electronics Association (NMEA) format and sentences from:

NMEA

Seven Riggs Avenue

Severna Park, MD 21146 USA