User's Manual

Basic usage
18
2.2 Keypad
2.2.1 Buttons
M3 POS uses Alpha-Numeric keypad.
Alpha-Numeric keypad layout
Button
Description
Power
Enters Sleep/Wake up Mode
Numbers
Inputs numbers and characters
Esc
Proceeds an Escape
Reset
Short press : Power on
Long press : Power off
Long press and short press : Hard reset
Back Space
Deletes previous input data
Send / End
Used to make / end a call.
Function
Use specific command or menu.
Enter
Performs chosen contents and/or function
Input mode
change
Changes the input mode of the keypad.
□
1 (number) 
□
a (lowercase letter) 
□
A (uppercase letter)