Midland Radio 77-255ESP manual Front Panel Controls

Models: 77-255ESP

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FRONT PANEL CONTROLS

1.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 the channel “LOCK” function has been activated.

2.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.

3.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.

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.MIC GAIN CONTROL: 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.

7.CHANNEL DISPLAY: LCD (liquid crystal display) read-out of selected CB or weather channel.

8,11,13. M1, M2, M3 INDICATOR: These LCD boxes are illuminated when a memory button has been used to select the CB channel.

9.TX INDICATOR: LCD indicator for showing the unit is transmitting.

10.SCAN INDICATOR: This indicates channel scanning is operating.

12.WX INDICATOR: When this indicator is illuminated it indicates your unit is in the weather receive mode. Weather channels are displayed.

14.S/RF DISPLAY: LCD read-out of received signal strength and relative transmitter power output.

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Midland Radio 77-255ESP manual Front Panel Controls