Samsung 400EX(N) - Manual (Page 151)

Power Off, Screen Saver, or Power Save Mode
• Turn the power off for 2 hours after 12 hours in use
• Set the Monitor to power off with the PC Display Properties Power Scheme.
• Use a Screen saver if possible - Screen saver in one color or a moving image
is recommended.
• The Image Retention Free function applied to the product is recommended.
Information
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