Strong SRT40FC4003 User Manual page 71

Problem
Snowy dots, blocking and
interference
Radio frequency
interference
Playback of video is
causing picture freeze/
macro blocks or similar
distortion, especially on HD
content.
No signal or weak signal,
intermittent reception.
Bad picture/blocking error
during heavy rain.
NOTE:
If the antenna is located in the fringe area of a television signal where
the signal is weak, the picture may be marred by dots, show blocking
or break-ups. When the signal is extremely weak, it may be necessary to
install a special antenna to improve the reception.
1. Adjust the position and orientation of the indoor/outdoor
antenna.
2. Check the connection of the antenna.
3. Fine tune the channel.
4. Try another channel. Broadcasting failure may happen.
This interference produces moving ripples or diagonal streaks, and in
some case, loss of contrast in the picture. Find out and remove the radio
interference source.
Read/write speed of your USB device could be too low. Make sure to use
a USB storage device with sufficient speed and space. Pen drives (USB
sticks) may not support sufficient speed.
a) Cables might have loosened; moisture might have entered into
cables or connectors, heavy rain at present or heavy storm at
present.
Check the cable connections, LNB and other equipment
connected between the LNB and the receiver, or peak the dish.
Wait for rain/storm to subside. Ask a local satellite specialist for
advice.
b) The satellite dish is not pointing at the (correct) satellite(s).
Adjust the dish. Ask a local satellite specialist for advice.
c) Satellite dish is too small, trees or buildings in path.
Change to a larger dish or change position of dish.
d) Signal is too strong, dish is oversized.
Connect a signal attenuator to the LNB input. Ask a local satellite
specialist for advice.
Heavy rain will attenuate satellite signals, below a certain level blocking
will occur.
Make sure your dish installation is up to standards to minimize rain
effects. When in doubt, ask a local satellite specialist for advice.
If the problem persists after these solutions, please contact your local
support centre or send a support mail via our website www.strong.tv.
Possible cause and solution
17