IPC (Intelligent Picture Control)

According to Depending on the recorded tape condition, IPC adjusts picture sharpness for the best view. If the recorded tape condition is good, then the sharpness level is up. Otherwise, the sharpness level is down set to the best optimal level.

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IPC (Intelligent Picture Control) Produces optimum picture quality during playback, as VCR automatically adjusts sharpness based on recording quality and tape condition.

http://www.samsung.com/Products/VCR/technicalinfo/tech_i.htm