156 CONNECTIONS AND INSTALLATIONu TUNER RECEPTACLEConnects a control cable to an optional AT-130 an-tenna tuner. A female connector is supplied forconnection.i DC POWER RECEPTACLEConnects to a regulated 12–16 V DC power sourcesuch as a 12 V battery or DC power supply usingthe supplied DC power cable.CAUTION: DO NOT connect to a 24 V battery.This will damage the transceiver.q ANTENNA CONNECTOR (p. 19)Connects a 50 ø HF band antenna with a 50 ømatched coaxial cable and a PL-259 plug.w GROUND TERMINALIMPORTANT! Connects to a ship’s (or vehicle’s)ground. See p. 18 for details.e ACC(1) and ACC(2) SOCKETSSee p. 16 for details.r CLONE JACKFor Dealer use only.t REMOTE SOCKET (p. 17)REMOTE socket for Marine and General versions.y EXTERNAL SPEAKER JACKConnects a 4 to 8 ø external speaker using a 1 ⁄ 4 ”monaural plug. This external audio is not muted bythe [SPEAKER] switch on the front panel.Optional AT-130Externalspeakerqw r t yuie12 V batteryR CAUTION:NEVER remove theline fuse from the DCpower cable.■ UnpackingMicrophone (HM-180) ············································ 1Microphone hanger ················································ 1DC power cable (OPC-1107A) ······························ 1Mounting bracket ··················································· 1Cushion rubber ······················································ 4Bracket knobs (8820000170) ································ 4Flat washer (M5) ···················································· 4CONNECTORSDIN connector (8-pin for ACC1) ····························· 1DIN connector (7-pin for ACC2) ····························· 1Speaker plug (5610000440) ·································· 1Tuner connector (5610000150) ····························· 1Pins for tuner connector (5610000160) ·················· 4Plates for tuner connector (6910009540) ··············· 4NUTS AND BOLTSAllen bolt (M6 × 50) ··············································· 4Self-tapping screws (M6 × 30) ······························· 4Nuts (M6; use 2 pcs. for each bolt) ························ 8Flat washers (M6) ·················································· 8Spring washers (M6) ············································· 4Self- tapping screws(M3 × 16 for mic. hanger) ······························· 2FUSESDC power cable (30 A) ·········································· 11205 (internal) ······················································· 2■ Connections on the rear panel