Panasonic TU-SZT105A Instruction Manual page 16

Off: There will be only stereo audio information (L / R) to be included in Audio L&R
output.
Audio Balance
You can adjust the value from L+7 to R+7. The selection "0" means balanced (equal level)
output on the two front speakers.
Audio Delay
Different displays may have different delay in displaying
pictures, which may cause a slight problem with lip sync.
This feature allows you to use
according to your actual video display equipment, in order
to compensate for this delay. The delay time depends on
which choice appears to provide best performance of lip
sync on your display device.
Teletext contrast
The OSD contrast of teletext pages can be adjusted by
selecting different options.
Teletext Operation
Teletext is only available on certain broadcast
channels. The time taken to display the pages and
sub-pages is set by the teletext transmitter.
Teletext is also used for Closed Captioning of
television programmes for the hearing impaired.
Closed captions can be found on Teletext Page
801. The picture remains on the screen while you
type in 801.
Some broadcast stations will have a message on
the screen to tell you that closed captions are not
available for this programme. Some broadcast
stations give you no indication at all.
/ to select your choice
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