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Page 8 FT
DX
1200 OPERATING MANUAL
ANTENNA CONSIDERATIONS
The
FT
DX
1200
is designed for use with any antenna system providing a 0 2hm resistive impedance at the desired op-
erating freTuency. While minor excursions from the 0-2hm speci¿cation are of no conseTuence, if the Standing Wave
5atio SW5) present at the $ntenna jack is greater than 31, the transceivers $utomatic $ntenna Tuner may not be able
to reduce the impedance mismatch to an acceptable value.
(very effort should be made to ensure that the impedance of the antenna system be as close as possible to the speci¿ed
0-2hm value. 1ote that the “G5V” type antenna does not provide a 0-2hm impedance on all HF $mateur bands. $n
external wide-range antenna coupler must be used with this antenna type.
$ny antenna to be used with the
FT
DX
1200
must be fed from the transceiver with 0 2hm coaxial cable. Therefore,
when using a “balanced” antenna such as a dipole, remember that a balun or other matchingbalancing device must be
used to ensure proper antenna performance.
The same precautions apply to any additional receive-only) antennas connected to the antenna jacks. if your receive-
only antennas do not have impedance near 0 2hms at the operating freTuency, you may need to install an external an-
tenna tuner to obtain optimum performance.
ABOUT COAXIAL CABLE
Use high-Tuality 0-2hm coaxial cable for the lead-in to your
FT
DX
1200
transceiver. $ll efforts at providing an ef-
¿cient antenna system will be wasted if poor Tuality, lossy coaxial cable is used. This transceiver utili]es standard “0
3L-”) type connectors.
INSTALLATION AND INTERCONNECTIONS
TYPICAL PL-259 INSTALLATION
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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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