Testing The Liquid Crystal Display; Figure A-10: Display Lcd Test - Hitachi HCX5000I User Manual

Testing the Liquid Crystal Display

Procedure
HCXTD840, Issue 1, July 2001
You can test your LCD to make sure all areas are active.
1
Press and hold the <LCD> key.
2
The active areas of the display are shaded. The shaded
area should form a complete rectangle, as shown in
Figure A-10. If you detect areas of the display that are
inactive, contact your telephone equipment service
provider.
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Figure A-10: Display LCD test

You can exit the test mode at any time by returning the
TEST switch to its original position.
T L
ESTING THE IQUID
C D
RYSTAL ISPLAY
A-13