Operation; Controls And Indicators - Cobra 19ULTII How To Use Manual

19.ULTRA.MANUAL.qx 9/15/97 4:09 PM
Refer to controls, indicators and connectors as illustrated below:
5
A. Front Panel
1.
Off/On/Volume. Turn clockwise to turn power on and set the
desired listening volume.
2.
Squelch. This control is used to cut off or eliminate receiver back-
ground noise in the absence of an incoming signal. For maximum
receiver sensitivity, it is desired that the control be adjusted only to
the point where the receiver background noise or ambient back-
ground noise is eliminated. Adjust until the receiver noise disap-
pears. This will require the incoming signal to be slightly stronger
than the average receiver noise. Further clockwise rotation will
increase the threshold level which a signal must overcome in order
to be heard. Only strong signals will be heard at a maximum clock-
wise setting.
3.
Microphone Connector. This front mounted, screw-on connector
allows for convenient removal of the microphone plug when storage
is required. The microphone MUST be connected to the unit at all
times when in use, for proper operation. The screw-on connection
enhances the life of the microphone cord as well.
4.
Channel 9/Normal Switch. Used for instant selection of emergency
channel 9 (CH.9 position). In NOR position, all 40 CB channels are
selected by the UP/DOWN CHANNEL BUTTONS.
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Operation

Controls and Indicators

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