Casio SE-S10 Operation Manual page 5

7. EFTPOS CASH OUT:
Must be on a separate transaction, after you have completed the
first part of the transaction.
Enter the amount of cash to be given out
Press the PO/CASH OUT key
8. EXPLANATION OF CORRECTION KEYS:
ERROR CORRECT
Used to take off last item before CASH key has been pressed. Only
takes off last sale item.
%
Used to register a % off discount. Enter amount then press % key.
MINUS KEY (-)
Used to register dollar discounts. Enter $ amount then – key
PO
Used to enter cash out sales. Enter amount and press CASH OUT
key, is made separately from a sale transaction
C- Clear the screen