Contents1 Finding Information and Resources.................................................................. 42 Front and Back View.............................................................................................53 Quick Setup............................................................................................................74 Removing and Installing Components............................................................. 95 Removing the Battery........................................................................................ 10Installing the Battery............................................................................................................................ 116 Installing the Dell Rugged Control Center.................................................... 127 Using the Dell Rugged Control Center Application..................................... 13Overview.............................................................................................................................................. 13Enable or Disable the Keyboard Backlight..........................................................................................178 Stealth Mode........................................................................................................189 Turning Stealth Mode On/Off Using Optional Accessory Keyboard ....... 19Turning Stealth Mode On/Off Using Rugged Control Center Application....................................... 19Modifying the Stealth Mode Settings........................................................................................... 2010 Enabling and Disabling Wireless (WiFi) Feature — OptionalAccessory Keyboard.............................................................................................. 21Enabling and Disabling Wireless (WiFi) Feature — Rugged Control Center......................................2111 Smart Cards........................................................................................................2412 Specifications.................................................................................................... 2513 Contacting Dell................................................................................................. 293