Samsung 400EX(N) - Manual (Page 129)

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 → → → → → → → → ENTER →
→ → ENTER → → → ENTER → → , → ENTER
You can change the Safety Screen Type.
1. Scroll
2. Bar
3. Eraser
Period
MENU → → → → ENTER → → → → → → → → ENTER →
→ → ENTER → → → → ENTER → → , → ENTER
Use this function to set the execution period for each mode set in the timer.
Adjusting the LCD Display
86