20Backlight for display and keypadTap System / Backlight. Change the settings as follows:Display backlight: The default is on. Tap Battery Power,External Power and Brightness tabs to change settings.Keypad backlight: Make changes by tapping the KeypadBattery, Keypad External or Keypad Brightness tabs.PowerTap System / Power to view the approximate battery powerremaining. Tap the Advanced tab and choose the settings forautomatically turning off the unit when not in use.Tap System / Power / Calibration to see if calibration isrecommended. For more information on calibration, refer to page14.MemoryTap System / Memory to see how much Storage memory (Flash)and Program memory (RAM) is available. If there are externalcards installed, tap Storage Card to view the available memory onthe card. If there is more than one card installed, tap the dropdownarrow to select the different cards.Flash SettingsTap System / Flash Settings. The Flashlight turns on automatically.You can change the intensity of the Flashlight and the intensity ofthe Flash used for the camera. To turn the Flashlight on and off,push the left soft key.Task ManagerClosing programs still leaves them resident in RAM. WindowsMobile will close background programs to free up RAM ifresources are low. To manually close programs, tap Start /Programs / Task Manager. Tap on the program and tap End Taskor tap Menu / End all Tasks.System informationTap System / System Information. Firmware version, serialnumber, processor speed, RAM and Flash size, wirelessconfigurations, battery and card port information can be found here.