This capability allows two or more vessels to transmit their position to each other via VHF, then record that position information as a waypoint on the VX2's plotter. Connection Diagram, 10.4" VX2 RCA I NMEA IN (+)-(§)—^-NMEAlN (-) RED NMEA In RCA Jack - White wire from Plotter to Center Conductor (+) and Black wire from plotter to Outer (-) White NMEA OUT RCA Jack - Yellow wire from Plotter to Center Conductor (+) and Green wire from plotter to outer (-) RCA NMEA OUT (+)-(§)--NMEA OUT (-