DirecTV DSA20MA Manuale di installazione - Pagina 12
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12
Loss of Signal/Rain Fade
The satellite signal may be lost temporarily due to
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unusually heavy rainfall. An optimally aligned antenna,
along with the shortest possible cable run, minimizes
the chances of " rain fade. "
Make sure the antenna is mounted securely to prevent it
•
from being blown out of alignment in a heavy wind.
Heavy snow accumulation on the LNB and the antenna may
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reduce the satellite signal strength; snow should be swept
away as soon as possible.
Tree foliage growth into antenna's line-of-sight to the
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satellite may result in gradual loss of picture.
Installation with Long Cable Run
For installations where the R G 6 cable runs from the
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receiver(s) to the LNB far exceeds 100 feet (150 feet or
more), as encountered in a commercial or multi-dwelling
building, you need to use an AC power booster module to
bias the LNB .
You will also need an additional R F signal amplifier to
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compensate the signal amplitude loss. Otherwise, your
antenna and receiver may not work properly and be subject
to frequent outages in adverse weather. Contact a
professional concerning such installations.
© 2003 DIR ECTV, Inc. DIR ECTV, the Cyclone Design logo and EZALIGN are trademarks of
DIR ECTV, Inc., a unit of Hughes Electronics Corporation. 07/02 12429ENG-0
DSA-20MA
E -3921