NEC recently joined the 16X DVD recording race with the introduction of their latest drive, the ND-3500A. After the big success of the ND-25x0 series, which was indeed a very good quality writer, the new ND model aims to take its place in the market, offering the highest recording speed available for all media formats. The ND3500A delivers even higher write and re-write speed functions than its predecessor, the ND2510. "High resolution writing strategies" are again incorporated into the ND-3500A, just as with ND-2510A model, which is in fact an improved version of Active Optimized Power Control (Active OPC). Active OPC constantly monitors the sensitivity of the media and adjusts the laser strength to achieve the best possible results. It does this by analyzing the reflection from the media's surface. Buffer underrun error prevention technology ensures that media will be recorded successfully, even if writing procedure is interrupted or paused. You will find here a simple diagram explaining the Active OPC technology.
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