Volume Setting; Rf Gain Adjustment; Squelch Level Adjustment - Icom IC-7800 Manual

■ Volume setting

[AF] for main [AF] for sub
Audio output
decreases

■ RF gain adjustment

[RF] for main [RF] for sub
Sensitivity
decreases

■ 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
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BASIC OPERATIONS
➥ 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.
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