Noise Blanker; Nb Set Mode; B Set Mode - Icom IC-7850 Instruction Manual

■ Noise blanker

The Noise blanker eliminates pulse-type noise such as
the noise from car ignitions.
The Noise blanker cannot be used in the FM mode.
Push [NB] to turn ON the Noise blanker function.
q
• [NB] indicator lights.
• Pushing [NB] toggles the Noise blanker function ON or
OFF.
Rotate the [NB] control to adjust the Noise blanker
w
threshold level.
• The desired signal may be distorted if you rotate the
[NB] control to the extreme right.
• Adjust to the appropriate position, according to the noise
level or operating environment.
NOTE: When using the Noise blanker, received sig-
nals may be distorted if they are excessively strong
or the noise type is other than pulse type. In that
case, turn the Noise blanker OFF, or rotate the [NB]
control to a shallow position.
D NB Set mode
To deal with various type of noise, the attenuation level
and noise width can be set in the NB screen.
q Hold down [NB] for 1 second.
• The NB screen is displayed.
w Push [Y](F) or [Z](F) to select the desired item.
e Rotate [MAIN DIAL] to set the desired level or value.
• Hold down [DEF](F) for 1 second to select the default
value.
r Push [EXIT/SET].
• Exits the NB screen.
NB Depth
Sets the noise attenuation level.
Level value is between 1 and 10
NB Width
Sets the noise pulse width.
Width value is between 1 and 100
[NB] control MAIN, SUB
• NB screen
(Default: 8)
(Default: 50)
7-11
FUNCTIONS FOR RECEIVE
[NB] indicator
[NB] MAIN, SUB
7