Hitachi HCX5000I - Manual (Page 184)

T ESTING THE L IQUID C RYSTAL D ISPLAY
HCXTD840, Issue 1, July 2001 A-13
Testing the Liquid Crystal Display
Procedure You can test your LCD to make sure all areas are active.
1 Press and hold the 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.
Figure A-10: Display LCD test
You can exit the test mode at any time by returning the
TEST switch to its original position.
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