Samsung SOUL SGH-U900 - Manual (Page 42)

using basic functions
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Change the backlight brightness
In Idle mode, press < 1. Menu > → Settings →
Display & light settings → Light → LCD brightness .
Select the brightness of the display and press < 2. Save >.
Change the backlight time
In Idle mode, press < 1. Menu > → Settings →
Display & light settings → Light → Backlight time .
Press [ 2. ] to set the backlight time.
Select a duration for the backlight and press < 3. OK >.
Scroll down to 4. Dim and press [ ].
Select a duration for the dimmer and press < 5. OK >.
When you are finished making changes, press < 6. Save >.
Lock your phone
Learn to lock your phone with a phone password. You will
have to enter the password each time you turn on the
phone.
In Idle mode, press < 1. Menu > → Settings → Security
→ Phone lock .
Select 2. On .
Enter a new 4- to 8-digit password and press 3.
< Confirm >.
Enter the new password again and press < 4. Confirm >.
Customise your phone � Customise the display