PM451 Android 9.0 User Manual
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Bluetooth ................................................................................................................................ 45
NFC ....................................................................................................................................... 46
SYSTEM MAINTENANCE ....................................................................................... 47
System Information ............................................................................................................... 47
On Settings ......................................................................................................................... 47
On EmKit ............................................................................................................................ 47
Check Device Health ............................................................................................................. 48
OS Update ............................................................................................................................. 49
OS Update via Storage ....................................................................................................... 49
OS update from OTG Port .................................................................................................. 50
OS update via FOTA .......................................................................................................... 50
Factory Data Reset ................................................................................................................ 52
Factory Data Reset via Settings app .................................................................................. 52
Factory Data Reset via Recovery mode ............................................................................. 53
GUN HANDLE ......................................................................................................... 54
Attach Gun Handle................................................................................................................. 54
USING THE KEYPAD .............................................................................................. 56
Numeric Keypad .................................................................................................................... 56
Alpha/Numeric Keypad .......................................................................................................... 59
Function/Numeric Keypad ...................................................................................................... 62
Functions ............................................................................................................................... 65
Program Buttons .................................................................................................................... 66
Microphone ............................................................................................................................ 67
SAFETY INFORMATION ......................................................................................... 68
Battery Safety Information ..................................................................................................... 68