ICOM IC-746PRO Manuel D’Utilisation

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5
FUNCTIONS FOR RECEIVE 
[NB]
N B   L e v e l
5 O %
Shows noise blanker level
“NB” appears while noise blanker is activated.
IF (DSP) filter shape
The type of IF (DSP) filter shape for each SSB and
CW can be selected independently from soft and
sharp.
q
Push [SSB] or [CW/RTTY] to select SSB, CW or
RTTY mode.
w
Select the filter set mode.
• Push [FILTER] for 1 sec.
• Operating mode can be selected in this step.
e
Push [FILTER] several times to select the desired
IF filter.
r
Push the [F5] to select the filter shape from “
SOFT
and “
SHARP
.”
t
Push [MENU] to exit the set mode.
Noise blanker
The noise blanker eliminates pulse-type noise such as
from car ignitions. The noise blanker is not available
for FM mode.
q
Push [NB] to turn the noise blanker ON.
• [NB] indicator appears.
w
Push [NB] for 1 sec. to enter the NB level set mode.
e
Rotate the tuning dial to adjust the noise blanker
level.
• Noise blanker level is indicated with bar meter and digit
in ‘%.’
r
Push [NB] to exit the noise blanker set mode.
t
Push [NB] to turn the noise blanker OFF.
• [NB] indicator disappears.
When using the noise blanker, received signals may
be distorted if they are excessively strong.
Meter peak hold function
The S-meter shows the peak level holding function.
Peak level of receiving signal strength is indicated for
0.5 sec. (approx.). This function can be deactivated in
the set mode if desired. (p. 81)
B W
B W
Push [F5]
M e t e r   P e a k   H o l d
9
O N
Shows peak level for approx. 0.5 sec.