Acronova NB12 Series - Manual (Page 24)

Operation Manual, Nimbie NB12 Version 1.3
24 © 2011, Acronova Technology, Inc.
The Quality of the Master Disc Counts
As with blank discs, the quality and the data format of the master disc
play a critical role in the duplication process. If you encounter
difficulties try Norm-Speed Duplication to increase quality and lower
failure rate.
Writing Speed
The recorder will automatically adjust the writing speed according to
the disc quality. The system will monitor and automatically adjust the
writing speed as the optical laser moves from the inner ring to the outer
ring, up to the selected speed. The recorder’s maximum speed may
never be reached if a lower grade disc is used.
At the maximum speed, for a single recorder, duplicating a 4.7 GB
DVD should not take more than 8 minutes. Please check both the
quality of the blank and the master disc if the duplication process takes
more than 8 minutes for a single disc. Use a reliable master disc for
testing purposes. You should also try different specification and
brands of blank discs.
You should also check the power supply’s voltage and amperes.
Insufficient power supply may decrease output rate or increase failure
rate.
As a general rule, a lower writing speed will improve quality. When
creating audio and video discs a lower writing speed is recommended
to assure quality.