8Front Panel Controls & SwitchesFront Panel VOL knobTurning the knob clockwise increases the volume, whereas turning it counterclock-wise decreases the volume. Mode/Status indicatorIndicates the transmission/reception status with a two-color combination on the upperand lower portions of the mode/status indicator.Communication status Upper portion Lower portionReceiving analog audio Green GreenTransmitting analog audio Red RedReceiving digital audio Green BlueTransmitting digital audio Red BlueReceiving digital data Green WhiteReceiving signals with unmatched audio or data conditionsø Green Blink in BlueGM function duringoperationThe other station is within the com-munication range-Light BlueTransmitting GM confirmation sig-nal to the other station within thecommunication rangeBlueø • Receiving signals with unmatched tone frequency or DCS code.• Receiving analog audio in digital mode.• Receiving signals with unmatched DG-ID in digital mode.• Receiving a signal level less than the RF Squelch S-meter level setting. DIAL Knob• Allows setting the operating band frequency.Turning clockwise increases the frequency, whereas turning counterclockwise de-creases the frequency.• Allows selecting the desired items for setup, memory registration, group monitoringoperation, etc. MIC JackConnect the provided microphone cable.