Manage Credit Cards function is only available if you have added the MyCard Credit Card module to your MyPMS. See Getting MyCard. When you click on Manage Credit Cards, a new window opens with the Credit Card information and Transaction history for the guest.
To add a Credit Card Transaction follow these steps:
Red Asterisk * indicate a required field.
Credit Card Number and Expiration Date: Payment Types are set up in SETUP|PARAMETERS|RECEIPT TYPES. See Receipt Types