1.    Press F11 when the POS screen is blank
2.    Select 'Recall transaction for return' (or other appropriate recall)
3.    Select the date or date ranges on which the transaction occurred
4.    Select the appropriate reason for return. Select whether to return to offline or main inventory
5.    If only some of the tendered items need to be returned, highlight the quantity section and select "(" the quantity and then ")"
Note: Do not select the '-' sign as it will duplicate the return as a valid transaction.  The parenthesis must be used.

6.    Press F12 and tender the amount returned.