Icom IC-7600, Инструкция по эксплуатации, Страница: 99 / 196

90
4
RECEIVE AND TRANSMIT
4
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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