Icom IC-7600

90
4
RECEIVE AND TRANSMIT
4
■ 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.
q Push [NR] to turn the noise reduction ON.
• The indicator on this switch lights green.
w Rotate the [NR] control to adjust the noise
reduction level.
e Push [NR] to turn the noise reduction OFF.
• The indicator goes 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 function electronically locks the dial.
➥ Hold down [SPEECH/LOCK] for 1 second to turn
the dial lock function ON or OFF.
• The [LOCK] indicator lights when the dial lock function
is in use.
• While split frequency operation is ON, the split lock
function may be turned ON. (p. 96)
NOTE: When “LOCK/SPEECH” is selected in
[[SPEECH/LOCK] Switch] item in the Others set
mode, pushing [SPEECH/LOCK] activates the dial
lock function. (p. 139)
[NR]
control
NR
Noise reduction OFF Noise reduction activated
Desired
signal (CW)
Noise components
[LOCK] indicator
SPEECH
LOCK