The PAX A80 terminal offers an on-screen keypad as well as a physical keypad to enter transaction amounts. Your terminal operators and customers enter information and respond to prompts using either the terminal’s touch screen or physical keypad.
There are three (3) colored function keys on the physical keypad that you can use to confirm, correct, or cancel an operation:
To confirm an entry, touch OK on the screen or press the green O key
To correct an entry, touch BACK on the screen or press the yellow < key
To cancel a function, touch CLEAR on the screen or press the red X key