Charging a tip to a credit or debit card payment transaction
- In the check view panel, tap a check.
 - From the functions menu, tap Charge Tips.
 - In the Charge Tip on-screen numeric keypad, specify the tip amount.
 - Tap Enter.
 - 
            In the Warning window, tap
                  Yes. Proceed with processing the credit or
               debit card payment transaction.
            Note: You may modify the tip amount again by tapping the credit card line in the open check.