VX-6R OPERATING MANUAL 3CONTROL & CONNECTIONS (TOP & FRONT PANEL) Antenna JackConnect the supplied rubber flex antenna (or anotherantenna presenting a 50-Ohm impedance) here. MIC/SP JackThis four-conductor miniature jack provides connec-tion points for microphone audio, earphone audio, PTT,and ground.Do not allow the VX-6R to become submerged in water while the plasticcover over the MIC/SP jack is removed. VOL KnobThis control adjusts the audio volume level. Clockwise rotation increases the volumelevel. DIAL KnobThis (inner) 20-position detented rotary switch is used for setting the operating fre-quency, and also is used for menu selections and other adjustments. LCD (Liquid Crystal Display)The display shows current operating conditions, as indicated on the next page. POWER SwitchPress and hold in this switch for one second totoggle the transceiver’s power on and off. KeypadThese 18 keys select many of most im-portant operating features on the VX-6R.The functions of the keys are describedin detail on the pages to follow. MicrophoneThe internal microphone is located here.SpeakerThe internal speaker is located here.TX/BUSY Indicator LampThis indicator glows green when the squelch opens, and turns red during transmit.During “Emergency Channel” operation (see page 62), this indicator will glow (orflash) white. Also, this indicator can be useful as a flashlight in a dark environment viaSet Mode Item 34: LED LT; see page 96 for details.