101CONNECTIONS AND MAINTENANCE12ConnectionsNurwqetyqANTENNA CONNECTORConnects to a marine VHF antenna cable’s PL-259 con-nector.#!54)/.Transmitting without an antenna may dam-age the transceiver.wGROUND TERMINALConnects to a vessel ground to prevent electrical shocksand interference from other equipment occurring. Use aPH M3×6 screw (not supplied).eNMEA 0183 IN/OUT LEADS