Справочник Пользователя для ICOM ic-756pro3

FUNCTION FOR RECEIVE

■

Notch function

This transceiver has auto and manual notch func-
tions. The auto notch function automatically attenu-
ates more than 3 beat tones, tuning signals, etc.,
even if they are moving. The manual notch can be set
to attenuate a frequency via the

[NOTCH]

control.

➥Push

[NOTCH]

to toggle the notch function be-

tween auto, manual and OFF in SSB and AM
modes.

➥Push

[NOTCH]

to turn the manual notch function

ON and OFF in CW mode.

➥Push

[NOTCH]

to turn the auto notch function ON

and OFF in FM mode.

• Set to attenuate a frequency for manual notch via the

[NOTCH]

control.

• “AN” appears when auto notch is in use.
• “MN” appears when manual notch is in use.

While operating the manual notch, noise may be
heard. This comes from the DSP unit and does not
indicate an equipment malfunction.

Unwanted tone
frequency

Desired
signal (AF)

Particular frequency
is attenuated

Auto notch OFF

Auto notch ON

[NOTCH](control)

[NOTCH](switch)

■

Noise blanker

The noise blanker eliminates pulse-type noise such
as from car ignitions. The noise blanker is not avail-
able for FM mode.

q Push

[NB]

to turn the noise blanker ON.

•

[NB]

indicator lights.

w Push

[NB]

for 1 sec. to enter the noise blanker

level set mode.

e Rotate the tuning dial to adjust the noise blanker

level.

• Push

[(F-3)DEF]

for 1 sec. to return to default value.

r Push

[NB]

to turn the noise blanker OFF.

•

[NB]

indicator goes off.

When using the noise blanker, received signals
may be distorted if they are excessively strong.

VOX

COMP

OFF

WIDE

AGC

AGC
MID

MID

NB Level

50%

DEF

[NB]

Tuning dial

[(F-3)DEF]