Icom IC-7700 ■Volume setting, ■RF gain adjustment, ■Squelch level adjustment

BASIC OPERATIONS 3

■Volume setting

➥ Rotate [AF] control clockwise to increase, counterclockwise to decrease the audio output level.

• Set a suitable audio level.

[AF]

Audio output increases

Audio output decreases

■RF gain adjustment

➥ Rotate [RF] control clockwise to increase, counterclockwise to decrease the receiver sensitivity.

NOTE:

When [RF] control is adjusted CCW in FM mode, audio output decreases then disappears. This is nor-

mal, not a malfunction.

[RF]

Sensitivity increases

Sensitivity decreases

■Squelch level adjustment

The squelch mutes noise output from the speaker (closed squelch) when no signal is received.

➥ When no signal is received, rotate [SQL] control fully counterclockwise first, then rotate [SQL] clockwise to the point that the noise just disappears.

• Push and hold MONITOR to open the squelch temporar- ily.

[SQL] MONITOR

Noise squelch

(Recommended level; FM mode only)

S-meter

Squelch is open

squelch

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