Reason of happen

Waiting for Operator is displayed on a terminal when one of the top 3 buttons on the screen or the OK button is pressed before it receives a request from the POS (eg when a customer Inserts/Swipes a card before the terminal displays the amount on the screen).
This message only appears on terminals which are enabled for integration.

How to get rid of that message

To get rid of that message press the ‘Stop’ button on the terminal to go back to the normal screen.

The only way to navigate through the menu is by pressing the ‘Menu’ button underneath no 7 key on the keypad.