PM451 Android 9.0 User Manual
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Using the Keypad
Press once
- Activates Alphabet input mode (Shown on the keypad in
Yellow). The icon appears on status bar
Press twice
- Back to default input mode
Function keys F1 to 12
(or alphabet keys in Alphabet input mode)
Numeric keys 0 to 9
(or alphabet keys in Alphabet input mode)
Press once
- Activates the Shift input mode (Convert between the
uppercase and lowercase). The icon appears on status
bar. Ex)
Press twice
- Maintains the Shift input mode. The icon appears on
status bar. Ex)
Press three times
- Back to default input mode
Press once
- Activates Functions input mode (Shown on the keypad in
Blue). The icon appears on status bar
Press twice
- Maintains the Functions input mode. The icon appears
on status bar
Press three times
- Back to default input mode