Noise Reduction; Dial Lock Function - Icom IC-756PROIII Instruction Manual

5
FUNCTION FOR RECEIVE

■ Noise reduction

The noise reduction function reduces noise compo-
nents and picks out desired signals which are buried
in noise. The received signals are converted to digital
signals and then the desired signals are separated
from the noise.
q Push the [NR] switch to turn the noise reduction
ON.
• [NR] indicator lights.
w Rotate the [NR] control to adjust the noise reduc-
tion level.
e Push the [NR] switch to turn the noise reduction
OFF.
• [NR] indicator lights off.
Deep rotation 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 changes by accidental
movement of the tuning dial. The lock function elec-
tronically locks the dial.
➥ Push [LOCK/SPEECH] to toggle the dial lock func-
tion ON and OFF.
• The [LOCK] indicator lights when the dial lock function
is in use.
65
[NR](control) [NR](switch)
Noise reduction OFF
BAL NR
OFF
Noise components
Noise reduction activated
BAL NR
Desired
signal (CW)
[LOCK] indicator
[LOCK/SPEECH] switch