11
3 Controls
3.6
Up / down arrow keys
Pressing the
arrow keys
takes you up and down within
the menus. You can also make
a selection in some menus.
3.7
Light key
Pressing the
light key
illumi-
nates the display. The light
remains on for a short time
before going off automatically.
(see section 8.8.4).
3.8
Adjusting the contrast
The display contrast is auto
-
matically controlled according
to the temperature.
You can adjust the contrast
manually by holding down the
light key
and then pressing
the
arrow key
up or down.