Noise Reduction; Dial Lock Function - Icom IC-7700 Instruction Manual

■ Noise reduction

[NR] control
NR

■ Dial lock function

[LOCK] indicator
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.
q Push
• [NR] indicator above this switch lights green.
w Rotate the [NR] control to adjust the noise reduction
level.
e Push
• [NR] indicator lights off.
Large rotations of the [NR] control results in audio
signal masking or distortion. Set the [NR] control for
maximum readability.
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.
LOCK
5-17
FUNCTIONS FOR RECEIVE
to turn the noise reduction ON.
NR
to turn the noise reduction OFF.
NR
5