MIDLAND 77-120ESP - Manual (Page 7)

7
FRONT PANEL CONTROLS
1. MICROPHONE CONNECTOR: Plug in the supplied microphone to this
connector. The collar ring has a screw on locking ring. Push the ring onto
the units collar and screw on until it is tight.
2. ON/OFF VOLUME: In the off position your transceiver’s power is off. Turn
this control clockwise to switch on the unit and adjust the volume.
3. MIC GAIN: Rotating this control fully clockwise will result in
the greatest microphone output. /rotating the control counter-clockwise
reduces the microphone output, improving the sound in high noise
environments. This control can also be used to control optional power
microphone output.
4. 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.
5. RF GAIN CONTROL: This control adjusts the receiver, sensitivity. Adjust
the control for best reception of distant or local stations. Begin with
control fully clockwise. To reduce reception of unwanted distant stations,
turn control counter-clockwise until only desired stations are heard.
6. ROTARY CHANNEL SELECTOR: This easy to operate control allows
changing of weather or CB channel, either up or down. This control will
not operate when emergency channel 9 has been selected by using the
“CH9” button or when the channel “LOCK” function has been activated.
7. SPEAKER:
8. CHANNEL DISPLAY: LCD (liquid crystal display) read-out of selected CB
or weather channel.
9. FREQUENCY DISPLAY. Displays channel frequency in MHz and kHz
when the “FRQ” switch is on.
10. TX INDICATOR: LCD indicator for showing the unit is transmitting.
11. WX INDICATOR: When this indicator is illuminated it indicates your unit
is in the weather receive mode. Weather channels are displayed.