2.2. Memory ............................................................................................................. 48
2.2.1. Check Memory Usage ........................................................................................ 49
2.2.2. Manage Storage Space ..................................................................................... 51
2.3. Touch Screen .................................................................................................... 59
2.3.1. Screen Brightness ............................................................................................. 59
2.3.2. Screen Rotation ................................................................................................. 61
2.3.3. Screen Timeout Settings ................................................................................... 65
2.3.4. Touch Mode ....................................................................................................... 66
2.3.5. Text Size & Display Size..................................................................................... 67
2.4. Notifications ...................................................................................................... 68
2.4.1. Status LED ......................................................................................................... 68
2.4.2. Audio ................................................................................................................. 69
2.4.3. Sounds and Vibration ........................................................................................ 70
2.5. Date and Time ................................................................................................... 74
2.6. Language & Keyboard Input .............................................................................. 76
2.6.1. Change Display Language ................................................................................. 76
2.6.2. On-screen Keyboard .......................................................................................... 78
2.7. Physical Keypad ................................................................................................ 80
2.7.1. Basic Key ........................................................................................................... 81
2.7.2. Alpha Key .......................................................................................................... 82
2.7.3. Function Key (Only for 38-Key Model) ............................................................... 85
2.7.4. Shift Key ............................................................................................................ 88
2.7.5. Control Key ........................................................................................................ 89
2.7.6. Key Functions in Different Modes ..................................................................... 92
2.7.7. Keypad Lock .................................................................................................... 102
2.7.8. Device ID ......................................................................................................... 104
2.7.9. Keypad Backlight............................................................................................. 105
2.7.10. Enterprise Settings .......................................................................................... 106
2.8. Data Capture ................................................................................................... 107
2.8.1. Barcode Reader .............................................................................................. 107
2.8.2. Digital Camera ................................................................................................. 107
BASIC OPERATION ............................................................................................................... 108
3.1. Home Screen ................................................................................................... 109
3.1.1. Application & Widget on Home Screen ........................................................... 110
3.1.2. Folder on Home Screen ................................................................................... 112
3.1.3. Current Applications ........................................................................................ 113
3.2. Status Bar........................................................................................................ 114
3.2.1. Icons on Status Bar ......................................................................................... 114
3.2.2. Open Quick Setting Menu ............................................................................... 116
3.2.3. Open Notifications Drawer .............................................................................. 119
3.3. Suspend & Lock .............................................................................................. 122
3.3.1. Suspend Device............................................................................................... 122
3.3.2. Lock Device ..................................................................................................... 123
3.4. OS Update ....................................................................................................... 124
3.5. Back up Your Data........................................................................................... 126
3.6. Reset to Factory Default .................................................................................. 128
3.6.1. Erase All Data (Factory Reset) ......................................................................... 128
3.6.2. Erase All Data (Factory Reset with Enterprise) ................................................ 130
3.6.3. Welcome Wizard .............................................................................................. 131