Samsung SGH-I617 User Manual (user Manual) (ver.1.0) (English) - Page 6

Get to Know Your BlackJack™ II Get to Know Your BlackJack™ II Open the back flap of the Getting Started Guide to review diagram of key locations and functions. We recommend that you keep this diagram open for reference while working through the guide. Turn On/Off Your Device Press and hold the Power ON/OFF Button located on the top of the device. Lock/Unlock Your Device Keypad To Lock the device, press and hold the end key. To unlock the device, press the Power ON/OFF Button then the Left Soft key, followed by the * key. If the device is locked, and backlight is off, quick press the Power key. Backlight In the unlock mode, after 30 seconds the screen will dim to save battery power. It will finally power off after 40 seconds. To turn your screen on, press any key. Change Backlight Settings Press the Left Soft key to enter the Start menu. Select Settings, then select Power Management. Scroll down to Display time out, or Backlight time out on battery, Press the left or right side of the Navigation key to change the Display Time Out settings. 6