GLOBAL
S3000XL Operator’s Manual Page 241
PERFORMING A DAT BACK UP
This is simple! Assuming you have made the necessary digital audio connections, simply
press RECORD and PLAY on the DAT (or whatever combination is required on your
particular DAT machine) and, ensuring that the DAT is actually recording, press -
F7. The S3000XL will backup to DAT.
If you are saving volumes to DAT individually, 2 Meg will take about 30 seconds. If you
are backing up the contents of your hard disk to DAT, each 2 Meg volume takes about
100 seconds - this is due to certain SCSI control considerations.
Data is saved in a digital audio format and but the sample headers and program
information and other data are stored in a special format. During the save, both DAT
channels are used but when restoring, only the left hand side is used.
PERFORMING A DAT RESTORE
This too is simple. Find the point on the DAT where your backup is, press on the
S3000XL and PLAY on your DAT - the contents of the S3000XL’s memory or hard disk
will be restored.
Please note that when performing a restore, it is not possible to do a partial restore - i.e.
when restoring into memory, you cannot selectively restore one snare drum, for example,
and when restoring to hard disk, you cannot selectively choose a single volume.
As backing up and restoration takes place, the number of samples, programs, Qlists and
other items will be displayed on the screen.
PLEASE NOTE
THE DAT RESTORE PROCESS WILL ERASE THE CURRENT
MEMORY CONTENTS OR HARD DISK DATA - PLEASE BE CAREFUL
NOTE 1: Though backing up to DAT offers many advantages in terms of speed,
convenience and cost of the media, Akai does not guarantee the integrity of the data
backed up in this way. It is therefore strongly recommended that for archive purposes you
also backup to floppy disks.
NOTE 2: Only DAT machines may be used for backup/restore.
YOU CANNOT BACKUP SAMPLER DATA TO DCC OR MINIDISK FORMATS
The reason for this is that both these formats for digital audio recording use data
compression. These work by actually removing data from the datastream thereby saving
space. The data compression algorithms used work on the principle that certain
frequencies get masked by others in certain circumstances and so can be removed
without too many adverse effects. This does have a slight affect on tonal quality but,
generally, the tiny loss in quality is barely noticeable when listening to music. However,
because the data compression process removes data, it will corrupt the S3000XL sample
and program data should you try to back up to such a machine. These machines are
great for digitally mixing down onto from the S3000XL’s digital audio outputs but you
cannot perform a backup to them. Should you try to, the restore will fail.
Akai Electric Co cannot accept responsibility for any data lost in this way.
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