
Rechargeable battery pack life is very short after each charge.
| Possible Cause | Recommended Action | Page | 
| Battery pack is damaged or has reached | Purchase a new battery pack. | – | 
| the end of its service life. | 
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The low backup battery message continues to appear even after replacement of the
backup battery.
| Possible Cause | Recommended Action | Page | 
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| The backup battery is upside down. | Remove the backup battery, turn it | 29 | 
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 | over, and reload it. | 
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| The backup battery was loaded before | Remove the backup battery, and reload | 29 | 
| the main battery. | it. | 
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| Power was left on while the battery | Turn power off and then back on again. | – | 
| pack was replaced. | 
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| Nothing happens when the touch screen is touched. | 
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| Possible Cause | Recommended Action | Page | 
| The touch screen is out of calibration. | Recalibrating the touch screen. | 16 | 
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| Static electricity or some other problem | Reset the unit. | 32 | 
| has caused the touch screen to | 
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| malfunction. | 
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| The touch screen is damaged. | Contact your original dealer or an | – | 
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 | authorized CASIO service provider. | 
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