Primera Technology CD/DVD Duplication System DUP-07 - Manual (Page 62)

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Tutorial Guide
XII.
Introduction to Duplication Mode
In order to achieve 8x or higher duplication performance;
there are 3 factors that need to be certified as 8x or higher
speed:
1. Master Disc Reading Speed
2. Computer Controlling Speed
3. Recorder Writing Speed*
*The recordable media must be certified 8x or higher
in order to have 8x or higher recorder writing speed.
If any or all of the above 3 factors fail to meet the 8x or up
higher certification, under any circumstances, you will
encounter bottleneck symptoms which will delay your
duplication time and reduce your duplication quality.
When making duplications directly from the master disc to
the blank disc; you often cannot maintain true 8x speed
throughout the duplication process. Unfortunately, due to
physical recordable DVD limitations, most DVD master
discs can not be read at 8x or higher speeds continuously.
Often the reader will fall behind the burners and the whole
process will have to slow down.
In order to avoid this issue, first load the master disc into
the hard drive and make all duplications through the hard
drive. To duplicate form the Hard Drive, you need to load
your DVD master disc into a Hard Drive partition. Once
loaded, make copies from the Hard Drive partition as you
would from the master disc. This process can be a little
complicated and requires certain knowledge of the
duplicator in order to operate.