If you have customers who presents multiple credit cards and/or cash for one ticket, you may use the "Split/Partial" payment function to take care of the payment.
Press other from the bottom right corner.
From the list below choose SPLIT/PARTIAL PAYMENT
When it asks how much to split, input the first amount
Choose the method of payment for the first amount.
After paying the first amount, you will be returned to the payment method screen again. Repeat split process until you are done with payments.