3.5.2Display
Backlingt Time
1.From the idle screen, press the left soft key to display the main menu and select Settings.
2.From the Settings screen, select Display and press the left soft key to Enter.
2.Highlight Backlight Time and press the left soft key to Select.
3.From the Backlight Time menu, you can select a screen backlight time and press the left soft key to Select.
Unless you set the backlight time to Always On, the handset display
darkens when the backlight time is up and blackens after
idle to minimize battery energy consumption. Press any key to light up the display.