Icom IC-7600 Instruction Manual - Page 88

■ Noise blanker, ◇ NB set mode

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4 RECEIVE AND TRANSMIT ■ Noise blanker SSB/CW/RTTY/PSK/AM The noise blanker eliminates pulse-type noise such as the noise from car ignitions. The noise blanker is not available for FM mode. ➥ P ush [NB] to turn the noise blanker function ON and OFF. • The indicator on this switch lights green when the noise blanker is ON. When using the noise blanker, received signals may be distorted if they are excessively strong or for other types of noise than impulse. Turn the noise blanker OFF, or set the noise blanker threshold level (see below) to a shallow position in this case. D NB set mode To deal with various type of noise, attenuation level and noise blanking duration can be set in NB set mode. q P ush and hold [NB] for 1 sec. to enter NB set mode. w Select the desired item using [Y] (F-1) or [Z] (F-2). e R otate the main dial to the desired set value or condition. • Push and hold [DEF] (F-4) for 1 sec. to select a default value. r Push [EXIT/SET] to exit NB set mode. NB F-1 F-2 F-4 EXIT/SET Main dial DEF • NB set mode NB Level Set the noise blanker threshold level from 0% to 100%. NB Depth Set the noise attenuation level from 1 to 10. NB Width Set the blanking duration from 1 to 100. 50% 8 50 81

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■
Noise blanker
<MODE> SSB/CW/RTTY/PSK/AM
The no±se blanker el±m±nates pulse-type no±se such
as the no±se from car ±gn±t±ons. The no±se blanker ±s
not ava±lable for FM mode.
➥
Push
[NB]
to turn the no±se blanker funct±on ON
and OFF.
•
The ±nd±cator on th±s sw±tch l±ghts green when the no±se
blanker ±s ON.
When us±ng the no±se blanker, rece±ved s±gnals
may be d±storted ±f they are excess±vely strong or
for other types of no±se than ±mpulse. Turn the
no±se blanker OFF, or set the no±se blanker thresh-
old level (see below) to a shallow pos±t±on ±n th±s
case.
D
NB set mode
To deal w±th var±ous type of no±se, attenuat±on level
and no±se blank±ng durat±on can be set ±n NB set
mode.
q
Push and hold
[NB]
for 1 sec. to enter NB set
mode.
w
Select the des±red ±tem us±ng
[
Y
] (F-1)
or
[
Z
] (F-2)
.
e
Rotate the ma±n d±al to the des±red set value or
cond±t±on.
•
Push and hold
[DEF] (F-4)
for 1 sec. to select a default
value.
r
Push
[EXIT/SET]
to ex±t NB set mode.
F-1
F-2
F-4
DEF
EXIT/SET
Main dial
NB
• NB set mode
NB
Level
50%
Set the no±se blanker threshold level from 0% to
100%.
NB
Depth
8
Set the no±se attenuat±on level from 1 to 10.
NB
Width
50
Set the blank±ng durat±on from 1 to 100.
81
4
RECEIVE AND TRANSMIT