To charge multiple credit cards during a sale:
- In the Payment screen, select the Credit Card tender.
- Type the amount to charge on the first card.
- Swipe the card or select a previous card and press the Charge card button.
- Press Enter. A new Credit Card line will appear.
- On the new credit card line, type the amount to charge on the next card.
Note: If one gets declined, press F2 and it will reverse all credit cards / void the sale.