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

5
FUNCTIONS FOR RECEIVE

■ Noise reduction

[NR] control
NR

■ Dial lock function

[LOCK] indicator LOCK
TS
XFC
AUTO
TUNE
LOCK
5-18
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 to turn the noise reduction ON.
NR
• [NR] indicator above this switch lights green.
w Rotate the [NR] control to adjust the noise reduc-
tion level.
e Push to turn the noise reduction OFF.
NR
• [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 or
OFF.
• The [LOCK] indicator lights when the dial lock function
is in use.