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HELP --------------------------------------------------------------------------------------------------------------------------------
Problem Possible cause Solution
Screen is on (black
screen), but there is no
channel
Antenna cable Is the antenna cable connected?
No TV station programmed Start the channel search
Poor picture contrast Picture settings are not correct Adjust the brightness, contrast or
colour setting
Problem at station Test with a different station
Interference to picture
and/or sound
Interference from other devices Change the position of the device
Ghosting, reflection Channel tuning Automatic or manual channel
setting
Antenna Have the antenna cable or system
checked
No colour Colour intensity at maximum Turn up the colour
TV standard setting (if setting
option is available)
Select the correct colour standard
Problem at station Test with a different station
Picture but no sound Volume set to minimum Turn up the volume
Remote control does not
work
No optical connection Point the remote control at the
television set
Remote control batteries Check the batteries, change if
necessary
Operating condition undefined Switch off the TV by pressing
the main power key (if any) or
unplugging the mains plug, and
leave it off for about 2 minutes.
Picture is dark in PC mode Incorrect setting for picture
resolution and picture frequency
on the PC
Change the setting on the PC (for
example, picture resolution 1280
x 768, picture frequency 60Hz).
Warnings about the
connection problems on
the display
Network Cable or wireless
USB network device may be
disconnected
Check network cable or wireless
USB network device
Modem does not have Internet
connection or has problems
Make sure that your modem has
Internet connection
90


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Others manual(s) of Grundig 65GUB7140

Grundig 65GUB7140 User Manual - German - 100 pages

Grundig 65GUB7140 Quick start guide - French - 19 pages


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