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Page 51FT
DX
1200 OPERATING MANUAL
IF NOISE BLANKER
(
NB
)
OPERATION
The
FT
DX
1200
includes an effective IF 1oise Blanker, which can signi¿cantly reduce noise caused by automotive igni-
tion systems.
1. 3ress the
[
NB
]
button brieÀy to reduce short dura-
tion pulse noise such as from switching transients,
automobile ignitions and power lines. The “
NB ON
will appear in the display to con¿rm that the 1arrow-
1B is operating.
. 3ress the
[
NB
]
button again to reduce longer-dura-
tion man-made pulse noise. The “
NBW ON
” will
appear in the display to con¿rm that the Wide-1B is
operating.
3. If desired, you may adjust the 1oise Blanker level
via 0enu item “
034 NB LEVEL
” to the point where
the offending noise is best reduced or eliminated.
See box below for details.
4. To end 1oise Blanker operation, press the
[
NB
]
but-
ton once more. The
NB OFF
” will appear in the
display, con¿rming that the 1oise Blanker is no lon-
ger in operation.
Adjusting the Noise Blanker Level
1. 3ress the
[
MENU
]
button to engage the 0enu
mode.
. 5otate the
[
VFO-B/CLAR
]
knob or press the
S
T
button) to select 0enu item “
034 NB
LEVEL
”.
3. 3ress the
[
SELECT
]
button
4. 5otate the
[
VFO-B/CLAR
]
knob or press the
S
T
button) to the point where the offending
noise is best reduced or eliminated.
. 3ress the
[
SELECT
]
button, then press the
[
MENU
]
button to lock in the new setting and
exit to normal operation.
INTERFERENCE REJECTION
[
NB
]
Button
[
MENU
]
Button
[
VFO-B/CLAR
]
Knob
KEY FUNCTION DISPLAY
Indicates the status
of the Noise Blanker
53


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  • Green Light on VFO A and MEM is flashing and no audio. Even tried Factory Reset and still flashing. How do I fix this? Submitted on 6-12-2022 at 07:37

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