User guide

Caller Display 1000 – Edition 7 – 15.12.00 – 3386
6
You can adjust the
contrast on the display
to make the screen
lighter or darker.
There are 8 levels of
contrast to choose from.
Press and hold the
Down button, and at
the same time press the
Up button.
The display will show
LCD CONTRAST .
Continue to press
and
release the Up button
until the contrast you
want is reached. Release
the Down button to set
your chosen contrast.
6 To adjust the contrast
on the display