Icom IC-7700 Stereo Amplifier User Manual


 
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5
FUNCTIONS FOR RECEIVE
Noise reduction
The noise reduction function reduces random noise
components and enhances desired signals which are
buried in noise. The DSP performs the random noise
reduction function.
qPush to turn the noise reduction ON.
• [NR] indicator above this switch lights green.
wRotate the [NR] control to adjust the noise reduction
level.
ePush to turn the noise reduction OFF.
• [NR] indicator lights off.
Large rotations of the [NR] control results in audio
signal masking or distortion. Set the [NR] control for
maximum readability.
Dial lock function
The dial lock function prevents frequency changes by
accidental movement of the tuning dial. The lock func-
tion electronically locks the dial.
Push [LOCK] to toggle the dial lock function ON and
OFF.
The [LOCK] indicator lights when the dial lock function
is in use.
NR
NR
[LOCK] indicator
LOCK
[NR] control
NR