Optima dtra10sd00 Guía Del Usuario
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IV. Trouble Shooting
Note: If you cannot solve the problem by referring to the above trouble
shooting, please contact your local dealer.
Problem
Possible Causes
What To Do
The display on the
front panel does
not light up.
Main cable is not
connected.
Check that the main cable
is plugged into power
socket.
No sound and
picture, but the
front panel shows
time.
The unit is in standby
mode.
Press the
key on the
RCU.
No
sound
or
picture.
No signal or weak
signal.
Check the
cable
connections.
Bad picture/
Blocking error.
Signal is too strong.
Connect a signal attenuator
to the RF IN port.
No picture appears
on the TV screen.
The system is
connected by SCART
leads and TV is not in
AV/EXT mode.
Check that you have
selected the correct
channel or Video Input on
your TV.
There is
interference on
your digital
terrestrial channel.
The system is
connected using RF
leads and the output
channel of the
receiver interferes
with an existing
terrestrial channel or
Video signal.
Change the receiver output
channel to a more suitable
channel.
The RCU is not
working.
Battery exhausted.
Change the battery.