Samsung SyncMaster 400CXN User Manual page 71

Timer
Timer
MENU → → → → ENTER → [Setup] → → → → → → → → ENTER → [Safety
Screen] → → ENTER → [Timer] → ENTER → [Timer] → , → ENTER
You can set the timer for Screen Burn Protection.
If you start the operation to erase any residual image, the operation will be performed for the set period
of time and then automatically finish.
1. Off
2. On
Mode
MENU → → → → ENTER → [Setup] → → → → → → → → ENTER → [Safety
Screen] → → ENTER → [Timer] → → ENTER → [Mode] → , → ENTER
You can change the Safety Screen Type.
1. Scroll
2. Bar
3. Eraser
Period
MENU → → → → ENTER → [Setup] → → → → → → → → ENTER → [Safety
Screen] → → ENTER → [Timer] → → → ENTER → [Period] → , → ENTER
Adjusting the LCD Display