Sharp EL-509E Operation Manual page 52

ERROR AND CALCULATION RANGES
Errors ......................................................................... E-25
Error Codes and Error Types .................................... E-25
Calculation Ranges .................................................... E-25
BATTERY REPLACEMENT
Notes on Battery Replacement .................................. E-28
When to Replace the Batteries .................................. E-28
Cautions ..................................................................... E-28
Replacement Procedure ............................................ E-29
Automatic Power Off Function ................................... E-29
SPECIFICATIONS ........................................................... E-30
- E-2 -