LG M4210LG Owner's Manual page 27

Adjusting the timer function
Time
Power
This screen brightness adjusting menu helps you save energy.
Saving
• Level: Total 4 screen brightness levels are provided.
- Off: 100% light
- Level 1: 80% light
- Level 2: 60% light
- Level 3: 40% light
User Menus
Sleep Time
Auto Sleep
Power On Delay
Power Saving
MENU
Power Saving
Level
To set
Off
Level 1
Level 2
Level 3
MENU
27