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Troubleshooting
In the event of a malfunction, fi rst check all the cable connections and operating states:
1.  Receiver and TV set power plugs are connected to wall socket
2.  Antenna cables are connected to the receiver input
3.  Receiver and TV set correctly connected by a HDMI or Scart cable
4.  Audio connections are made to Hi-Fi or Dolby Digital system as appropriate
5.  Receiver and TV set (Hi-Fi/Dolby Digital system) are switched on (check power indicators)
6.  Receiver is responding to remote control
A selection of troubleshooting tips is offered below.
Problem
Cause
Remedy
A “No signal!” warning 
appears on some 
or all channels
Consult an antenna specialist to have 
it checked and repaired as necessary. 
Check  the settings made in the 
“Settings”,  “Antenna & Satellite”, 
“Tuner  Conf guration”  menu, and 
change them if necessary. 
Receiver no longer 
responds to the 
remote control
The batteries may be  f at or inserted 
incorrectly in the battery compartment
Check  the batteries (see also 
“Inserting  batteries into the remote 
control” in the Operating Instructions 
Part 1)
Receiver or remote control command 
set  may have been unintentionally 
changed
Set  infrared code 1 as described 
in  these operating instructions 
under  “Mainmenu settings”, “Basic 
Settings”, “Setting the remote control 
code”
Wrong time is displayed
“Summertime”  setting wrong. 
An 
incorrect time was imported from the 
reception signal
Under  “Settings”, “Basic Settings”, 
“Time  Setting” in the menu, check 
the  set time deviation to UTC and 
change as necessary. Use the power 
switch to switch the receiver of f from 
the  current channel, e.g. Das Erste 
or  ZDF,  wait 10 seconds and then 
switch it back on
The following channels 
cut out or “No or bad 
signal!” appears: 
Sport 1, Tele 5, HSE 24 
and Sonnenklar TV
DECT  telephones operate on the 
same  frequency as these channels. 
Interference  may occur due to 
inadequate  output level or poor 
shielding of cable
Consult your antenna specialist
Black or blue screen, 
no on-screen displays
Scart  connection to  TV  deactivated 
by accidentally pressing the 0 button
Keep  pressing 0 button until 
TV 
picture reappears on-screen