Sharp IQ-8920 Operation Manual page 7

You may find it necessary to adjust the LCD contrast to suit certain
lighting conditions.
touch -1 to open the
TOOLS menu.
q
2 Touch
on the menu, then touch
the submenu.
3 Touch the buttons to
adjust the contrast to your
liking.
Note: If dark, horizontal
lines appear on the
display, then you have set
the contrast too dark.
Simply lighten it until the
lines disappear.
See "Getting the Unit Up and Running," Chapter 1, for more details,
ä
1
on
To adjust the LCD contrast,
Press [A] or [T].
Note: You can get here
when the unit
the [MENU] key and then
pressing the [ON] key.
LCD CONTRAST >
directly
off by down
is holding