5qqqqq (Power) switchPress to switch the transceiver ON. Press again to switch the transceiverOFF.wwwww / keysPress to activate their programmable functions {page 7}.eeeee DisplayRefer to page 6.rrrrr / keysPress to activate their programmable functions {page 7}.ttttt Microphone jackInsert the microphone plug into this jack.yyyyy Transmit/ Busy/ Call indicatorLights red while transmitting, green while receiving, and orange whilereceiving a call using optional signaling.uuuuu , S, A, , C>, ■ keysPress to activate their programmable functions {page 7}.iiiiia) Speaker (TK-7180/ TK-8180)Internal speaker.b) DTMF Keypad (TK-7189/ TK-8189)Press the keys on the keypad to make DTMF calls {page 18} or to activatetheir programmable functions {page 7}.ooooo PTT (Push-to-Talk) switchPress and hold this switch, then speak into the optional microphone to call astation.!0!0!0!0!0 Antenna connectorAttach the vehicle antenna to this connector {page 3}.!1!1!1!1!1 ACC. (accessory) connectorConnect external KENWOOD accessories to this connector.!2!2!2!2!2 SP (speaker) jackConnect an external speaker to this jack.!3!3!3!3!3 Ignition sense lineConnect the vehicle ignition sensor to this line.!4!4!4!4!4 Power input connectorAttach the supplied DC power cable to this connector {page 3}.