When the data cable is connected to your VHF radio, all you have to do is plug it into the sonar/GPS unit. Attach the data cable's plug to the accessory socket on the right side of the back of your unit's case.
Communications Port Activation
Now that you have your devices connected, here's how to make them communicate. This unit can connect to either an accessory such as a speed or temperature sensor or a NMEA 0183 data cable. In order to use the Communications Port for NMEA data, you first need to activate NMEA 0183 Output.
Press MENUMENU↓ to ENABLE NMEA 183 OUTPUTENT← to YESENT.
Enable NMEA command on the unit's Main Menu
Communications Port Configuration
Once NMEA 0183 Output has been enabled from the Main Menu, the Com Port command appears in the System Setup Menu. This command opens a menu that allows you to configure the communications port.
Menus for changing Com Port settings.
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