User Manual

184
Operation
Possible Causes
1. Battery power is low.
2. Exposure of the PV Unit to some
external condition is interfering with
proper operation.
3. The touch screen is damaged.
Recommended Actions
1. Replace batteries (page 16).
2. Press the P button and then the
RESET button. See procedure above.
3. The touch screen must be replaced.
Contact your nearest CASIO dealer to
have the touch screen replaced. You
will be charged for this replacement.
Problem: Power suddenly turns off or contrast adjustment screen suddenly appears.
Possible Cause
Battery power is low.
Recommended Action
Replace batteries (page 16).
Problem: The functions or cursor movement performed does not match the
location where you tap on the screen.
Problem: Nothing happens when you tap the screen.
Possible Cause
The touch screen needs to be calibrated.
Recommended Action
Perform the procedure under
“Calibrating the Touch Screen” on page
161.