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■ Volume setting
➥ Rotate [AF] control clockwise to increase, counter-
clockwise to decrease the audio output level.
• Set a suitable audio level.
■ RF gain adjustment
➥ Rotate [RF] control clockwise to increase, counter-
clockwise to decrease the receiver sensitivity.
■ Squelch level adjustment
The squelch removes noise output from the speaker
(closed position) when no signal is received.
➥ When no signal is received, rotate [SQL] control
fully counterclockwise first, then rotate [SQL] clock-
wise to the point that the noise just disappears.