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CONTROLS AND FUNCTIONS
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1. MIC GAIN - Adjusts the modulation of the mic for crisp, clear transmis-
sion.
2. NB and ANL SWITCHES- You can select either Noise B/anker and Auto-
matic Noise Limiter, only Automatic Noise limiter or all filters OFF. The NB
and ANl help to reduce harsh background noise caused by a variety of in-
terference sources.
3. DIM KEY - The dimmer adjusts the meter and channel lights for optimum
viewing.
4. INSTANT CH 9 and 19 - Press these keys to instantly select either chan-
nel. Press again to return to normal 40 channel operation.
5. TX and RX INDICATORS - An lED lights to indicate when the radio is
transmitting or receiving.
6. MICROPHONE - The operational mode of the CB is controlled by the
push-ta-talk switch on the mic. Press the switch to activate the transmitter
and disable the receiver. Release the switch to enable the receiver and dis-
able the transmitter. When transmitting, hold the mic about 2 inches from
your mouth and speak clearly in a normal voice. The mic included with the
PRO 540e is a detachable, Iow impedance, dynamic type.
7. SjRFjSWR METER - This lED meter shows the relative strength of the
received signal or the RFoutput and the Standing Wave Ratio of your an-
tenna. -
8. CHANNEL INDICATOR - displays the channel currently in use.
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