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5-15
5
RECEIVE FUNCTIONS
■
Noise blanker
The noise blanker eliminates pulse-type noise such as
the noise from car ignitions. The noise blanker is not
available for FM/WFM or P25 mode.
q
Push [NB] several times to select the noise blanker
function, NB1 or NB2, and OFF.
• [NB] indicator above this switch lights green.
• “NB1” or “NB2” appears on the display when either is
ON.
w
Rotate [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 pulsing. Turn the noise
blanker OFF, or rotate [NB] control to a shallow po-
sition in this case.
D
D
NB set mode
To deal with various type of noises, attenuation level
and noise width can be set in NB set mode. Two of
noise blanker, NB1 and NB2, can be set indepen-
dently.
q
Turn ON the desired noise blanker, NB1 or NB2.
• When entering NB1 set mode, this step can be skipped.
w
Push and hold [NB] for 1 sec. to enter NB1 (or NB2)
set mode.
e
Push [F-1•
Y
] or [F-2•
Z
] to select the desired item.
r
Rotate the main dial to set the desired level or value.
• Push and hold [F-4•DEF] for 1 sec. to select a default
value.
t
Push [EXIT/SET] to exit NB1 (or NB2) set mode.
[NB]
[NB] control
Set the noise attenuation level from 1 to 10.
NB1 Depth
8
Set the noise pulse width from 1 to 100.
NB1 Width
40%
• NB1 set mode
Set the noise attenuation level from 1 to 10.
NB2 Depth
8
Set the noise pulse width from 1 to 100.
NB2 Width
80%
• NB2 set mode