US20 Series
User Manual
18
2.2.2
Keypad
The M3 US20 has three optional keypad types:
Numeric (30 keys)
Function Numeric (42 keys)
Alpha Numeric (51 keys)
Key
Description
M1 / M2
This is a key to automate repetitive input of the keypad, and
it is set to perform the operation assigned to the M1/M2 key
in Keytool App.
Scan (yellow)
Used in the ScanEmul App, press this key to scan barcodes. It
functions the same as the scan key on the side of the device.
Scroll Keys
(Left / Up / Down / Right)
Move up, down, left, or right from one item to another. You
can increase or decrease the specified value.
ESC
This is the function to end the current task.
CTRL
This is a key pressed in combination with other keys, and
when activated, the icon ( ) appears in the status bar.
ALT
This is a key pressed in combination with other keys, and
when activated, the icon ( ) appears in the status bar.
Shift
This is a key pressed in combination with other keys, and
when activated, the icon (
) appears in the status bar.
If you press the Shift key twice in succession, you can
maintain the Shift state, and the icon in the status bar
changes. (
)