User's Manual

PM451 Android 9.0 User Manual
47
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Using the Keypad
Key Description
Alpha (Yellow)
Press once
- Activate Alphabet input mode (Shown on the keypad in
Yellow). The icon appears on status bar
Press twice
- Back to default input mode
Fn (blue)
Press once
- Activate Functions input mode (Shown on the keypad in
Blue). The icon appears on status bar
Press twice
- Lock the Functions input mode. The icon appears on
status bar
Press three times
- Back to default input mode
Function 1~4(4~8)
Function keys F1 to 4
(or F4 to 8 in Functions input mode)
Numeric 0~9
The numeric keys 0 to 9.
(or Alphabet keys in Alphabet input mode)
Minus
Minus or hyphen key
(or Plus key in Functions input mode)
Shift
Press once
- Activate Shift combination input mode. The icon
appears on status bar. Ex)
Press twice
- Lock the Shift combination input mode. The icon
appears on status bar. Ex)
Press three times
- Back to default input mode
Enter
Enter function