Antennas Direct PF7 - Picture Frame Antenna - Manual (Page 2)

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Trouble Shooting Tips
Short, simple cable runs are best
If your signal is weak, check the length of your cable run and remove any splitters or diplexers. I you use a splitter, you
may want to consider a pre-amplifier.
Higher is better
DTV signals are line of sight. Be sure to clear any obstacles in between you and the transmitting towers. Often, experi-
mentation with antenna location resolves a problem. Keep the antenna away from any metallic objects.
DTV tuners can fail
There may be issues with your digital tuner. Faulty decoding chips or bad firmware can affect sensitivity making it dif-
ficult to tune digital stations.
Reflected signals (Multi-path interference) are often a source of problems
For those living close to transmitting towers, multi-path interference occurs when strong signals bounce off nearby
buildings and other surfaces causing signal dropouts. An attenuator can allow users to dial down the signal to reduce
problems associated with this multi-path interference.
Common causes of signal loss: (approximate)
• Long cable runs - 30% loss for every 100ft of RG6
• Satellite Diplexers -10%-50% loss
• Splitters - 50% loss per port
• Corroded connections - 20% -90% loss