WHAT DO THE RF & MIKE GAIN CONTROLS DO?
A – Mike Gain (or “DynaMike” on Cobra CB’s), is your microphone’s transmit “volume control”, & can be lowered to reduce backround noise, or if your voice is really loud. The RF Gain control can be thought of as a “Receive Distance Control”, & by turning it down you can reduce the radio’s sensitvity to distant chatter, noise & signals that are too weak to reach. The Better CB’s will usually have both of these controls.
A – Mike Gain (also called “DynaMike” & XTRATALK” on some CB’s), is your microphone’s transmit “volume control”, & can be lowered to reduce backround noise, or if your voice is really loud. The RF Gain control can be thought of as a “Receive Distance Control”, & by turning it down, you can reduce the radio’s sensitvity to distant chatter, noise & signals that are too weak to reach. The Better CB’s will usually have both of these controls.