Narrow (Nar) One-Touch If Filter Selection . 65 If Noise Blanker (Nb) Operation - Yaesu FTdx5000MP Operating Manual

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
Page 66
I
IF N B
OISE LANKER
" icon will
" icon will
" (or " ") icon will
[ NB ] Button
R
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.
[ B ] Button
( VFO-B )[ NB ] Knob
FT 5000 O
DX
S 3
IGNALS WITHIN KHZ
" icon will
" icon will
" (or " ") icon will turn
[ NB ] Button
M
PERATING ANUAL