Casio PV-250X User Manual page 9

• If the above does not appear on the display when you press the RESET
button, slide the battery switch to the REPLACE BATTERIES position
and remove the battery compartment cover. Use the stylus to press the P
button and then replace the battery compartment cover. Slide the battery
switch back to the NORMAL OPERATION position and then press the
RESET button.
3. Tap the center of each of the four cross marks as they appear on the
screen.
• The contrast adjustment screen appears next.
4. Tap H or J to adjust the contrast of the display, and then tap OK.
5. In response to the message that appears, tap Yes to reset the PV Unit and
clear all memory contents, or No to abort the reset procedure without
doing anything.
6. If you tapped Yes in the above step, a second confirmation message
appears. Tap Yes to reset the PV Unit and clear all memory contents, or
No to abort the reset procedure without doing anything.
• Tapping Yes in the above step starts the actual reset procedure.
7. What happens after the reset procedure is complete depends on what
model you are using.
• On the PV-200A or PV-400A, the pop up tool screen appears. Continue
from step 9.
• On the PV-250X and PV-450X, the system language selection screen
appears. Continue from step 8.
8. Tap the button next to the language you want to select as the system
language, and then tap Set to change to the pop up tool screen.
Chapter 14 Technical Reference
183