Casio PX-780 Service Manual page 44

No.5 LCD (1/3)
No Operation
Tap "5.LCD"
or
push "5" key.
1
Tap "2.Pattern"
or
push "2" key.
2
Tap the screen
or
Push "Enter" key.
3
Tap the screen
or
Push "Enter" key.
4
Display
** LCD CHECK **
1.Fill VRAM
2.Pattern
3.Color Bar
4.Scroll
5.Adjust (VCOM)
6.Adjust (LED BL)
[Exit] or Enter Key
– 42 –
Inspection contents
_
Confirm the display on the left.
Confirm the display on the left.
Confirm the display on the left
(check)