Casio CASSIOPEIA EG-800 Service Manual And Parts List page 57

Nothing happens when the touch screen is touched.
Possible Cause
The touch screen is out of calibration.
Static electricity or some other problem has
caused the touch screen to malfunction.
The touch screen is damaged.
Possible Cause
Internal malfunction
A message about a data error is on the screen.
Possible Cause
Internal malfunction
Recalibrating the touch screen.
Reset the unit.
Contact your original dealer or an expert.
The screen is locked up.
Reset the unit.
If resetting the unit does not correct the problem,
perform a full reset (memory initialize).
Follow the instructions that appear on the
screen.
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Recommended Action
Recommended Action
Recommended Action