I Volume setting
[AF] for main
[AF] for sub
Audio output
decreases
I RF gain adjustment
[RF] for main [RF] for sub
Sensitivity
decreases
I Squelch level adjustment
[SQL] for main
[SQL] for sub
Noise squelch (Recommended level; FM mode only)
Squelch is
open
Audio output
increases
Sensitivity
increases
S-meter squelch
➥ Rotate [AF] control clockwise to increase, counter-
clockwise to decrease the audio output level.
• Set a suitable audio level.
➥ Rotate [RF] control clockwise to increase, counter-
clockwise to decrease the receiver sensitivity.
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.
3-9
BASIC OPERATIONS
3