Samsung LT23A350ND-ZA - Manual (Page 42)

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English
● Digital Noise Filter ( Off / Low / Medium / High / Auto / Auto Visualization ):
If the broadcast signal received by your TV is weak, you can activate the Digital
Noise Filter feature to reduce any static and ghosting that may appear on the
screen.
N
When the signal is weak, try each option until the the TV displays the best
picture.
Auto Visualization : When changing analog channels, displays signal strength.
N
Only available for analog channels.
N
When the bar is green, you are receiving the best possible signal.
● MPEG Noise Filter ( Off / Low / Medium / High / Auto ): Reduces MPEG noise
to provide improved picture quality.