Icom IC-756PROIII - Mechanical Parts and Disassembly Continuation; Chassis Parts; Accessories

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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)
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
VOX
ON
ON
COMP
COMP
OFF
OFF
WIDE
WIDE
AGC
AGC
MID
MID
NB
NB
NB Level
NB Level
50%
50%
DEF
DEF
[NB] Tuning dial[(F-3)DEF]
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