Terminal Keyboard - Ingenico iCT250 Quick Reference Manual

To power off the US$Direct iCT250, simply unplug the terminal from the
electrical outlet.

Terminal Keyboard

The terminal keypad contains 10 numeric keys (0-9), an up/down scroll
key, a green [Enter] key, a red [Cancel] key, a yellow [Correction]
key, and a number of additional function keys. The exact number of
additional function keys varies by terminal model.
Special function keys provide customers with quick and easy access to
frequently used functions and tasks. The following special function keys
are present on the terminal: [F], [F1], [F2], [F3], [F4]