Operation Manual

Noise blanker
<MODE> 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.
Push [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 thresh-
old 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 Push 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 Rotate 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.
F-1
F-2 F-4
DEF
EXIT/SET
Main dial
NB
• NB set mode
NB Level
50%
Set the noise blanker threshold level from 0% to
100%.
NB Depth
8
Set the noise attenuation level from 1 to 10.
NB Width
50
Set the blanking duration from 1 to 100.
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RECEIVE AND TRANSMIT