user manual

Troubleshooting
Having this problem? Check the following points:
Picture disturbances (horizont
al lines, picture
noise)
► Press the
EXIT / AUTO
button to perform
auto-adjustment of the screen.
The screen becomes darker
The background lighting has a limited lifetime.
If your monitor disp lay should become too dark,
the background lighting will ha ve to be replaced.
► Please c ontact our help desk.
A26361-K1333-Z220-1-7619, edition 1 23