Samsung 400EX(N) - Manual (Page 153)

- Symptom: Horizontal Bar with Black Color move up and down.
Apply the Screen Pixel function on Product
• Apply the Screen Pixel function
- Symptom: Dot with Black Color move up and down.
• Apply the Screen Bar function
- Symptom: Horizontal / Vertical Bar with Black Color move up and down.
Apply the Screen Erasing function on Product
• Apply the Screen Erasing function
- Symptom: 2 Vertical blocks move while erasing the display
Apply the Image Retention Free function on Product
• Select the Apply Image Retention Free function.
The Image Retention Free algorithm has been applied to the LCD LFD
• The Gray Insertion algorithm has been applied to each pixel to improve the
image retention characteristics.
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