User's Manual

PM451 Android 9.0 User Manual
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Using the Keypad
Special Functions
Key Function Numeric Alpha-Numeric Function-Numeric
Volume down Fn + 2 Fn + P Fn + F8
Volume up Fn + 3 Fn + J Fn + F4
Display brightness down Fn + 4 Fn + K Fn + F5
Display brightness up Fn + 7 Fn + E Fn + F1
Keyboard backlight
brightness down
Fn + 6 Fn + W Keyboard Backlight Down
Keyboard backlight
brightness up
Fn + 9 Fn + X Keyboard Backlight Up
CTRL CTRL input mode Fn + SHIFT CTRL CTRL
ALT ALT input mode - Fn + CTRL ALT
Home - CTRL + A -