Select Settings > Communications > NMEA 0183 Setup.

Sounder

Enables NMEA^® 0183 output sentences for the sounder (if applicable).

Route

Enables NMEA 0183 output sentences for routes.

System

Enables NMEA 0183 output sentences for system information.

Garmin

Enables NMEA 0183 output sentences for Garmin^® proprietary sentences.

Posn Precision

Adjusts the number of digits to the right of the decimal point for transmission of NMEA output.

Waypoint IDs

Sets the device to transmit waypoint names or numbers via NMEA 0183 while navigating. Using numbers may resolve compatibility issues with older NMEA 0183 autopilots.

Diagnostics

Displays NMEA 0183 diagnostic information.

Defaults

Restores the NMEA 0183 settings to the original factory defaults.