Casio pv-s660 User Manual

179

Chapter 16 Technical Reference

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.