51 PANEL DESCRIPTION■ Main unitq CONTROLLER CONNECTOR [CONTROLLER] (p. 63)Connects to the Controller using the supplied control cable.w MICROPHONE CONNECTOR [MIC]Plug in the supplied HM-207 microphone or the optionalHM-154 microphone.e ANTENNA CONNECTOR (p. 67)Connect a 50 ø impedance antenna with a PL-259 con-nector.The transceiver has a built-in duplexer, so you can use a144 and 430 MHz dual-band antenna without needing anexternal duplexer.r COOLING FANThe cooling fan for heat dissipation.You can select the Fan control option in EXMENU, to au-tomatically start rotating when you begin transmitting, orcontinuously rotate from power ON. (p. 14)t DC POWER SOCKET [DC 13.8V]Connect a 13.8 V DC power source through the suppliedDC power cable.y EXTERNAL SPEAKER JACK 2 [SP2]u EXTERNAL SPEAKER JACK 1 [SP1]Connect an 8 ohm external speaker.• See the following list for the speaker connection and audio out-put details.Ext. speakerconnectionstatusAudio outputExternal speaker Internal speakerSP-1 SP-2SP-1 and SP-2 Left band Right band –SP-1 only Both bands – –SP-2 only – Right band Left bandD Microphone connector information12345678Front panelview1 8 V +8 V DC outputMaximum 10 mA2 MIC U/D Frequency Up/DownUP: GroundDN: Ground through 470 ˘3 M8V SW HM-207 connectionGrounds when the HM-207 is connected.4 PTT PTT inputGround for transmission5 MIC E Microphone ground6 MIC Microphone input7 GND PTT ground8 DATA IN Inputs HM-207 data when the HM-207is connected.q w e rtyuFront panel Rear panel
