Chapter 16 Technical Reference

Operation

Problem: Nothing happens when you tap the screen.

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 21).

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

Recommended Action

Battery power is low.

Replace batteries (page 21).

 

 

Problem: The functions or cursor movement performed does not match the location where you tap on the screen.

Possible Cause

The touch screen needs to be calibrated.

Recommended Action Perform the procedure under

“Calibrating the Touch Screen” on page 161.

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