101CONNECTIONS AND MAINTENANCE12Connections■uirwqetyq ANTENNA CONNECTORConnects to a marine VHF antenna with a PL-259 connector.CAUTION: Transmitting without an antenna may dam-age the transceiver.w GROUND TERMINALConnects to a vessel ground to prevent electrical shocksand interference from other equipment occurring. Use aself tapping screw (3 × 6 mm: not supplied).e NMEA 0183 IN/OUT LEADSBrown: Talker B (Data-L), NMEA In (–)White: Talker A (Data-H), NMEA In (+)Connect to NMEA In lines of a PC or NMEA 0183 (ver. 2.0or later) sentence format DSC, DSE compatible navigationequipment, to receive position data from other ships.Green: Listener B (Data-L), NMEA Out (–)Yellow: Listener A (Data-H), NMEA Out (+)Connect to NMEA Out lines of a GPS receiver for positiondata.• A NMEA 0183 ver. 2.0 or later RMC, GGA, GNS, GLL and VTGsentence format compatible GPS receiver is required. Ask yourdealer about suitable GPS receivers.r AF OUT LEADSBlue: External Speaker (+)Black: External Speaker (–)Connect to an external speaker.Orange: Hailer (+)Gray: Hailer (–)Connect to a Hailer.• Hailer output power: More than 25 W with a 4 ˘ loadDO NOT connect the black or grey leads to the ground.These leads must be connected to the External speaker(–) or Hailer (–) lines.NOTE for NMEA In/Out and AF Out leads:The connectors are attached to keep the leads together.Before connecting to a piece of equipment, you should cutthe leads to remove the connector.