Garmin GMI 20 Marine Instrument Quick Start Manual - Page 19

Water Speed Sensor is not Working, Unable to claim NMEA 2000 Address

Page 19 highlights

NMEA 2000 Device Requires Calibration-a NMEA 2000 device requiring calibration has been detected. Shallow Water-alarm - the boat has entered water shallower than the specified depth. Simulating Operation-the unit is in demo mode. Surface Temperature-alarm - the water is approaching the specified temperature. Unable to claim NMEA 2000 Address-there is a conflict between NMEA 2000 devices on the NMEA 2000 network. Water Speed Sensor is not Working-water speed calibration error - recalibrate the speed sensor. GMI 10 Quick Start Manual 19

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GMI 10 Quick Start Manual
NMEA 2000 Device Requires Calibration
—a NMEA 2000 device
requiring calibration has been detected.
Shallow Water
—alarm – the boat has entered water shallower than the
specified depth.
Simulating Operation
—the unit is in demo mode.
Surface Temperature
—alarm – the water is approaching the specified
temperature.
Unable to claim NMEA 2000 Address
—there is a conflict between
NMEA 2000 devices on the NMEA 2000 network.
Water Speed Sensor is not Working
—water speed calibration error –
recalibrate the speed sensor.