Scrolling; Side Gray - Samsung PN51F4500AF User Manual

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Scrolling: This function removes after-images on the screen by illuminating all
the pixels on the screen according to a pattern. Use this function when there
are after images or symbols on the screen, especially when you displayed a
still image on the screen for a long time.
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The after-image removal function has to be executed for a long time
(approximately 1 hour) to remove after-images on the screen effectively.
If the after-image is not removed after you apply this function, apply the
function again.
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Press any key on the remote control to cancel this feature.
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Side Gray: When you watch TV with the screen ratio set to 4:3, using the
Side Gray function can prevent damage to the edges of the screen by
adjusting the white balance on the extreme left and right sides.
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