Download DVDO iScan User`s guide
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DVDO iScan Mini - 4K Scaler / Video Enhancement Ringing Suppression will affect both SD and HD video types and is specifically used to reduce ringing in high contrast areas of scaled video such as around black bars, text and graphics. The iScan Mini’s adaptive scaler will suppress ringing around scaled text and graphics while preserving the resolution of the natural video content. See the example below. Using ringing suppression, scaled video will look clean and smooth while maintaing detail. Ring Suppression OFF DVDO iScan Mini Ring Suppression ON 18