User Manual

18
1. Attach the rubber feet in alignment with
the marks on the bottom of the unit.
* When turning the unit over, be careful so as
to protect the buttons and switches from
damage. Also, handle the unit carefully; do not
drop it.
* Attach the rubber feet correctly. If they are
not attached correctly, they could deform or
malfunction.
Appendix
Error Messages
Display Problem Action
USB OFFLINE!
Transmissions from the connected device have
been interrupted. This message also appears
when the power to the connected device has
been turned o. It does not indicate damage.
Check to make sure no cable is disconnected
and that there are no shorts.
DATA WRITE ERROR!
Writing to the memory for storage of user
data failed.
The unit may be damaged. Consult the
nearest Roland service center.
LOCKED! The [1]–[3] knobs and buttons are locked. Turn “Lock function” o (p. 5).
Attaching the Rubber Feet
You can attach the rubber feet (included) if necessary.
Block Diagram