Icom IC-7700 Stereo Amplifier User Manual


 
Noise blanker
The noise blanker eliminates pulse-type noise such as
the noise from car ignitions. The noise blanker is not
available for FM mode.
qPush to turn the noise blanker function ON
and OFF.
• [NB] indicator above this switch lights green.
wRotate [NB] control to adjust the noise blanker
threshold level.
When using the noise blanker, received signals may
be distorted if they are excessively strong or the
noise type is other than impulse. Turn the noise
blanker OFF, or rotate [NB] control to a shallow po-
sition in this case.
DD
NB set mode
To deal with various type of noises, attenuation level
and noise blank time can be set in NB set mode.
qPush and hold for 1 sec. to enter NB set
mode.
wPush [F-1•Y] or [F-2•Z] to select the desired item.
eRotate the main dial to set the desired level or value.
Push and hold [F-4•DEF] for 1 sec. to select a default
value.
rPush to exit NB set mode.
EXIT/SET
NB
NB
[NB] control
NB
5-16
5
FUNCTIONS FOR RECEIVE
Set the noise attenuation level from 1 to 10.
NB Depth
8
Set the blank time from 1 to 100.
NB Width
50