Roland AT90 Owner's Manual page 63

Disk Problem
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Cause:
The data transfer could not be processed correctly.
Solution:
Try taking out, then inserting the disk again (or replace
the disk with a different one), then try the procedure
over again.
Cause:
The internal settings were lost (Registrations, etc.)
because the instrument was not turned on for about a
month.
Solution:
The basic display will appear after the instrument has
been returned automatically to all the factory default
settings.
Cause:
@ The disk is one that was used with some other
device.
O The disk is brand new, and has not been formatted
yet.
Solution:
Format the disk according to the steps on page. 40.
Cause:
A disk is not inserted in the disk drive.
Solution:
Insert a disk to be formatted into disk drive, then try the
procedure again.
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Cause:
Because the unit's memory is full to capacity, recording
was canceled.
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Situation:
The unit is warning you that its memory will soon become
full to capacity, so not much more recording can be done.
Cause:
O Because the disk is full, nothing further can be stored on it.
O Up to a maximum of 99 songs (2HD), or 56 songs
(2DD) can be stored on disk.
Solution:
Replace the disk with a different one, or erase some of
the data that is on the disk.
Cause:
This registration is already being used.
Solution:
To overwrite the previous registration data in this memo-
ry, press the Rec button. If you decide to keep the previ-
ous registration data in this memory and save your set-
tings in an unused memory, press the Reset button, press
the Select button to select a number for which "— - —" is
displayed, and then save the data.
Cause:
There already is performance data having the same
name on the disk.
Solution:
To replace the existing data with the new version, press
the Rec button. To save it as a separate new file, press
the Reset button first. Then, after changing the name
(p.43), save it on disk.
Cause:
The disk's protect tab is at the "ON" position.
Solution:
Slide the disk's protect tab to the "OFF" position, and
do the procedure over again.
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