If Noise Blanker (Nb) Operation - Yaesu FTDX5000 Series Operating Manual

I
NTERFERENCE
The FT 5000 includes an effective IF Noise Blanker, which can significantly reduce pulse noise like that caused by
DX
automotive ignition systems.
VFO-A NB Operation
 Press the [ A ] button (the button glows red), if needed
to enable VFO-A.
 Press the [ NB ] button briefly to reduce short duration
pulse noise such as from switching transients, auto-
mobile ignitions and power lines. The "
appear in the display to confirm that the Narrow-NB is
operating.
 Press the [ NB ] button again to reduce longer-dura-
tion man-made pulse noise. The "
blink for three seconds, and thereafter will appear con-
tinuously, to confirm that the Wide-NB is operating.
 Rotate the ( VFO-A ) [ NB ] knob to the point where the
offending noise is best reduced or eliminated.
 To end Noise Blanker operation, press the [ NB ] but-
ton once more. The "
turn off, confirming that the Noise Blanker is no longer
in operation.
[ A ] Button
( VFO-A )[ NB ] Knob
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R
EJECTION ( S
IF N B
OISE LANKER
" icon will
" icon will
" (or " ") icon will
[ NB ] Button
)
3
IGNALS WITHIN KHZ
( NB ) O
PERATION
VFO-B NB Operation
 Press the [ B ] button (the [ B ] button glows orange).
 Press the [ NB ] button briefly to reduce short duration
pulse noise such as from switching transients, auto-
mobile ignitions and power lines. The "
appear in the display to confirm that the Narrow-NB is
operating.
 Press the [ NB ] button again to reduce longer-dura-
tion man-made pulse noise. The "
blink for three seconds, and thereafter will appear con-
tinuously, to confirm that the Wide-NB is operating.
 Rotate the ( VFO-B ) [ NB ] knob to the point where the
offending noise is best reduced or eliminated.
 To end Noise Blanker operation, press the [ NB ] but-
ton once more. The "
off, confirming that the Noise Blanker is no longer in
operation.
( VFO-B )[ NB ] Knob
FT 5000 O
DX
" icon will
" icon will
" (or " ") icon will turn
[ B ] Button [ NB ] Button
M
PERATING ANUAL