User`s manual

DIAGRAPH USER'S MANUAL 5750210
Revision B Section B, Page 5
Adjusting the Screen Contrast B4
You can change the contrast on the LCD by using the UP and DOWN arrows with the ALT key.
1 Press and hold ALT and the
DOWN arrow. Hold for at least
five seconds. The screen
contrast will gradually dim.
2 Press and hold ALT and the UP
arrow. Hold for at least five
seconds. The screen contrast
will gradually become sharper.