1.2. Charging & Communication .................................................................................. 36
1.2.1. Charge Mobile Computer ...................................................................................... 36
1.2.2. Wired Data Transmission ...................................................................................... 44
1.2.3. Using Wireless Networks ....................................................................................... 45
USING RK25 MOBILE COMPUTER .................................................................................................. 46
2.1. Battery .................................................................................................................... 47
2.1.1. Battery Status Indicators....................................................................................... 48
2.1.2. Monitor Battery Level ............................................................................................ 50
2.1.3. Replace Main Battery ............................................................................................ 58
2.1.4. Power Management .............................................................................................. 61
2.1.5. Battery Precautions ............................................................................................... 63
2.1.6. Battery Sensor ....................................................................................................... 67
2.2. Memory .................................................................................................................. 69
2.2.1. Check Memory Usage ............................................................................................ 70
2.2.2. Manage Storage Space ......................................................................................... 72
2.3. Touch Screen ......................................................................................................... 81
2.3.1. Screen Brightness ................................................................................................. 81
2.3.2. Screen rotation ...................................................................................................... 82
2.3.3. Screen Timeout Settings ....................................................................................... 88
2.3.4. Text Size & Display Size ........................................................................................ 89
2.4. Notifications ........................................................................................................... 90
2.4.1. Status LED ............................................................................................................. 90
2.4.2. Audio ....................................................................................................................... 91
2.4.3. Sounds and Vibration ............................................................................................ 91
2.5. Date and Time ....................................................................................................... 98
2.6. Language & Keyboard Input ............................................................................... 101
2.6.1. Change Display Language ................................................................................... 101
2.6.2. On-screen Keyboard ............................................................................................ 104
2.7. Sound and Volume .............................................................................................. 106
2.8. Data Capture ........................................................................................................ 107
2.8.1. Barcode Reader ................................................................................................... 107
2.8.2. Digital Camera ..................................................................................................... 107
PHYSICAL KEYPAD ........................................................................................................................ 108
3.1. Overview ............................................................................................................... 109
3.2. Basic Key .............................................................................................................. 110
3.2.1. Basic Key of 28-key Model.................................................................................. 110
3.2.2. Basic Key of 25-key Model.................................................................................. 111
3.3. Alpha Key ............................................................................................................. 112