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Garmin GMI 20 User Manual

Page 19

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GMI 10 Quick Start Manual

1

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.