Front Panel Controls; Back Panel - Midland 77-104XL Owner's Manual

FRONT PANEL CONTROLS

ON/OFF VOLUME: In the off position your transceiver power is off. Turn
this control clockwise to switch on the unit and adjust the volume.
SQUELCH CONTROL: Adjust this control until background noise just
disappears. If the control is adjusted too far clockwise it may cause
muting of weaker signals.
ANL/OFF Switch: When turned on it operates in the receiver to reduce
atmospheric and ignition noise.
PA/CB Switch: When in PA it causes your voice to operate the optional
external PA speaker. In CB the microphone operates the transmitter.
MICROPHONE CONNECTOR: Plug in the supplied microphone to this
connector.
CHANNEL KNOB: This easy to operate control allows changing of CB
channel, either up or down.
CHANNEL INDICATOR: The LED displays the channel number.
TX LED: indicator for showing the unit is transmitting.
RX LED: indicator for showing the radio is in receive mode.
Push-To-Talk bar: Press this bar to cause the radio to transmit. Hold the
microphone about 2ninches from your mouth and speak in a normal voice.

BACK PANEL

ANTENNA CONNECTOR: Connect a standard 50-ohm CB antenna to this
EXT SP: When a speaker is connected to this jack the internal speaker
is by-passed. All received signals will be heard through the
external speaker. The speaker connected to the "EXT" jack
should be rated at 8 ohms and 5 watts.
PA JACK An optional PA speaker may be attached to your transceiver
through the PA output jack on the back panel. This allows you to
communicate with pedestrians or other vehicles through your CB
microphone.
connector.
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