Noise Reduction; Dial Lock Function - Icom IC-7600 Instruction Manual

■ Noise reduction

The nose reducton functon reduces random nose
components and enhances desred sgnals whch are
bured n nose. The DSP performs the random nose
reducton functon.
q Push [NR] to turn the nose reducton ON.
• The ndcator on ths swtch lghts green.
w Rotate the [NR] control to adjust the nose reduc-
ton level.
e Push [NR] to turn the nose reducton OFF.
• The ndcator goes off.
Large rotatons of the [NR] control results n audo
sgnal maskng or dstorton. Set the [NR] control
for maxmum readablty.

■ Dial lock function

The dal lock functon prevents frequency changes
by accdental movement of the tunng dal. The lock
functon electroncally locks the dal.
➥ Push and hold [SPEECH/LOCK] for 1 sec. to turn
the dal lock functon ON or OFF.
• The [LOCK] ndcator lghts when the dal lock
functon s n use.
•
Whle splt frequency operaton s ON, the splt lock
functon may be turned ON. (p. 89)
NOTE: When "LOCK/SPEECH" s selected n
[[SPEECH/LOCK] Swtch] tem n the Others set
mode, pushng [SPEECH/LOCK] actvates the dal
lock functon. (p. 131)
RECEIVE AND TRANSMIT
[NR]
NR
control
Noise reduction OFF
Noise components
[LOCK] indicator
4
Noise reduction activated
Desired
signal (CW)
SPEECH
LOCK
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