Icom IC-746 [42/88] 7 noise reduction

FUNCTIONS FOR RECEIVE

5-7 Noise reduction

[NR]

5-8 Auto notch (ANF)

function

The auto notch function automatically attenuates more

than 3 beat tones, tuning signals, etc., even if they are

moving.This function is only available in SSB, AM and

FM modes.

➀ Push a mode key to select SSB, AM or FM mode.

➁ Push [APF/ANF] to toggle the auto notch ﬁlter ON

and OFF.

•“ANF” appears when the function is ON.

[APF/ANF]

5-9 Dial lock function

The dial lock function prevents accidental frequency

changes caused by inadvertently rotating the tuning

dial.This function electronically locks the tuning dial.

➥ Push [LOCK] to toggle the dial lock function ON and

OFF.

• When the dial lock function is turned ON, the [LOCK] in-

dicator lights red.

[LOCK]

Lights when the dial lock function is ON

The noise reduction function reduces noise compo-

nents and picks out desired signals which are buried

in noise.The received AF signals are converted to dig-

ital signals and then the desired signals are separated

from the noise.

➀ Push [NR] to toggle noise reduction ON and OFF.

•“NR” appears when noise reduction is ON.

➁ Rotate the [NR] control to obtain the desired level of

noise reduction.

• Clockwise rotation increases the level of noise reduction;

counterclockwise rotation decreases the level of noise re-

duction.

DSP