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External DC Power Supply Connection
You may insert the cable plug of the optional SDD-12
Cigarette Lighter DC/DC Converter into the EXT DC
jack located on the right side of the transceiver. In this
case, the "
" icon will appear in the top right corner
of the LCD display.
When making DC connections via the SDD-12, be ab-
solutely certain to observe the proper voltage level and
polarity guidelines.
The SDD-12 can be connected to 12 to 24 Volt DC
power sources.
As close
as possible
For noise reduction from exogenous noise, wind one
turn of the SDD-12 cable around the ferrite core,
FTA-750/FTA-550 O
B
eFore
SDD-12
Cigarette Lighter DC/DC
Converter (12 to 24 Volts)
Ferrite Core
Wind the cable one turn,
then snap two halves
M
perATing
AnuAl
y
B
ou
egIn
and snap its two halves together, per the illustration
above. Attach the ferrite core as close as possible to
the SDD-12 body, as shown.
Do not connect any accessory unapproved
by YAESU to supply DC power; otherwise
the FTA-750/FTA-550 may be damaged.
Antenna Installation
To attach the supplied antenna to the FTA-750/
FTA-550, grasp the base of the antenna firmly, and
exert a moderate "pinching" pressure on the base
as you press the antenna onto the radio's antenna
connector. While exerting this pressure, rotate the
antenna clockwise 1/4 turn to lock the antenna in
place.
15
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