Consult your Honda engine manual to determine if the engine is NMEA 2000 compatible.
System Alarms and Messages
NOTE: There are several possible engine alarms. If the GMI 10 displays an engine alarm, contact your engine manufacturer.
Boat Is Not Moving Fast Enough to Calibrate—water speed calibration – the boat is moving too slow to calibrate.
Connection with NMEA 2000 Device Lost—the GMI 10 has lost connection with a NMEA 2000 device.
Lost Satellite Reception—a connected GPS antenna has lost satellite reception.NMEA Depth Is Below Transducer—the NMEA depth input is using the DBT sentence which does not include keel offset.
NMEA 2000 Device Requires Calibration—a NMEA 2000 device requiring calibration has been detected.
Simulating Operation—the unit is in demo mode. Do not drive or operate the boat while the GPS device is in Demo mode. To change the operating mode, select Menu
>Setup > System > Operating Mode > Normal.