![background image](http://html.mh-extra.com/html/icom/ic-756proiii/ic-756proiii_instruction-manual_612299070.webp)
65
5
FUNCTION FOR RECEIVE
■
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.
[LOCK] indicator
[LOCK/SPEECH] switch
■
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.
Noise reduction OFF
Noise reduction activated
Desired
signal (CW)
Noise components
BAL
NR
OFF
BAL
NR
[NR](control) [NR](switch)