Casio PV-S460/PV-S660 - Manual (Page 181)

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Chapter 16 Technical Reference
Troubleshooting
Power Supply
Possible Cause
Problem with PV Unit operational
settings Recommended Action
Perform the following procedure.
1. Slide the battery switch to the
REPLACE BATTERIES position, and
remove the battery compartment
cover.
2. Use the stylus to press the P button
inside the battery compartment.
P
RESET
3. Replace the battery compartment
cover, and then slide the battery switch
back to NORMAL OPERATION.
4. Use the stylus to press the RESET
button on the back of the unit. See
“Resetting the PV Unit” for details on
the reset procedure.
5. In response to the message that appears
after you calibrate the touch screen and
adjust the display contrast, tap No.
• Make sure you do not tap Yes. Doing
so deletes all data stored in memory
and returns all settings to their initial
defaults.
Problem: The PV Unit does not operate normally after batteries are replaced.