2.1.4. Power Management ..............................................................................................55
2.1.5. Battery Precautions ...............................................................................................57
2.1.6. Battery Sensor .......................................................................................................61
2.2. Memory ..................................................................................................................63
2.2.1. Check Memory Usage............................................................................................64
2.2.2. Manage Storage Space.........................................................................................65
2.3. Touch Screen .........................................................................................................73
2.3.1. Screen Brightness .................................................................................................73
2.3.2. Screen rotation ......................................................................................................74
2.3.3. Screen Timeout Settings.......................................................................................78
2.3.4. Text Size .................................................................................................................79
2.3.5. Display Size............................................................................................................80
2.4. Notifications...........................................................................................................81
2.4.1. Status LED .............................................................................................................81
2.4.2. Audio.......................................................................................................................81
2.4.3. Sounds and Vibration............................................................................................82
2.5. Date and Time .......................................................................................................85
2.6. Language & Keyboard Input .................................................................................86
2.6.1. Change Display Language.....................................................................................86
2.6.2. On-screen Keyboard ..............................................................................................88
2.7. Physical Keypad...................................................................................................100
2.7.1. Basic Key..............................................................................................................101
2.7.2. Alpha Key .............................................................................................................102
2.7.3. Function Key (only for 25-key Model).................................................................104
2.7.4. Shift Keys .............................................................................................................106
2.7.5. Key Functions in Different Modes ......................................................................107
2.7.6. Keypad Lock.........................................................................................................110
2.7.7. Enterprise Keypad Mode.....................................................................................111
2.7.8. Keypad backlight .................................................................................................116
2.8. Sound and Volume ..............................................................................................117
2.9. Data Capture........................................................................................................118
2.9.1. Barcode Reader...................................................................................................118
2.9.2. Digital Camera .....................................................................................................118
BASIC OPERATION ........................................................................................................................119
3.1. Home Screen .......................................................................................................120
3.1.1. Customize Home Screen.....................................................................................122
3.2. Status Bar ............................................................................................................133
3.2.1. Icons on Status Bar .............................................................................................134
3.2.2. Open Quick Setting Menu ...................................................................................136
3.2.3. Open Notifications Drawer..................................................................................139
3.3. Manage Applications...........................................................................................141
3.3.1. Application Menu.................................................................................................141
3.3.2. Current Applications ............................................................................................144
3.4. Suspend & Lock...................................................................................................145
3.4.1. Suspend Device...................................................................................................145
3.4.2. Lock Device..........................................................................................................146
3.5. OS Update ............................................................................................................148
3.6. Back up Your Data...............................................................................................150
3.7. Reset to Factory Default......................................................................................151