Triax DVB 75SI - Manual (Page 24)

TRIAX DVB 75SI
24
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Problem Cause Remedy
No picture, no sound, and front
display not illuminated No mains voltage Check mains cable and socket
Short circuit in LNB supply,
defective cable connection Turn off DVB 75SI, remove
short circuit and turn receiver
on again.
Defective or wrong cable
connection Check all cable connections
Defective LNB Replace LNB
No picture, no sound, but front
display illuminated
Wrong adjustment of LNB unit Turn the dish so that LNB units
point at satellite correctly.
Strong rain or snow Remove snow from the dish
Wrong adjustment of dish Adjust the dish correctly (within
1 degree)
Dish too small Use bigger dish
Periodic squares in the picture
(macro blocking)
Periodically frozen picture, no
sound
Periodically black screen and
the message 'No signal'
An obstruction between dish
and satellite (e.g. a tree) Make sure that there are no
obstructions.
Sound OK, no picture Radio reception has been
selected Switch to TV reception [TV/R]
The dish has been turned or is
defective Check satellite dish and LNB.
The programme is transmitted
on another transponder Carry out programme search
Poor picture and sound on
channels that were previously
OK
The programme is no longer
transmitted None
The remote control does not
work Flat batteries Replace batteries
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Aerial cable:
Connecting cable between the modulator
of the satellite receiver and the TV
antenna input, as an alternative if no
SCART connector is available.
AV: see SCART
Conax:
Digital coding method.
Data compression/MPEG1/MPEG2:
Transmission of the present TV standard
(625 lines and 50 Hz picture frequency)
requires a digital data amount of 216
Mbit/s. This would require transmission