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Page 70
FT
DX
1200 OPERATING MANUAL
ENHANCING TRANSMIT SIGNAL QUALITY
ADJUSTING THE SSB TRANSMITTED BANDWIDTH (SSB MODE)
For transmission on SSB, a default bandwidth of .4 kH] is provided. This bandwidth provides reasonable ¿delity along
with good talk power, and is typical of the bandwidth used for decades for SSB transmission. The bandwidth may be
varied by the operator, to provide different levels of ¿delity or talk power, according to your preferences.
Here are the steps to adjust the SSB transmit bandwidth
1. 3ress the
[
MENU
]
button to engage the 0enu.
. 5otate the
[
VFO-B/CLAR
]
knob or press the
S
T
button) to select 0enu item “
104 SSB TX BPF
”.
3. 3ress the
[
SELECT
]
button, then rotate the
[
VFO-B/
CLAR
]
knob or press the
S
T
button) to select the
desired bandwidth. The available selections are 100-
3000 H], 100-00 H], 00-800 H], 300-700 H],
400-600 H] and 3000 WB. The default is 300-700
H]. $ wider bandwidth will provide greater fidel-
ity. $ narrow bandwidth will compress the available
transmitter power into less spectrum, resulting in
more “talk power” for '; pile-ups.
4. 3ress the
[
SELECT
]
button, then press the
[
MENU
]
button to save the new setting and exit to normal op-
eration.
A
DVICE:
The Transmit 0onitor function is a very helpful way to
con¿rm the effect that changing the bandwidth will have
on ¿delity. By 3ressing the
[
MONI
]
button, you will be
able to hear the difference in sound Tuality as you make
changes.
QUICK POINTS:
The higher ¿delity associated with wide bandwidth will
be particularly enjoyable on the low bands during local
rag-chew QS2s.
[
VFO-B/CLAR
]
Knob
[
MENU
]
Button
[
SELECT
]
Button
72


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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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