Error Messages - Boss Audio Systems GT-100 Owner's Manual

Appendices
Problem
MIDI messages are not transmitted/
received

Error Messages

Display
MIDI BUFFER FULL!
MIDI OFFLINE!
USB OFFLINE!
DATA WRITE ERROR!
OUT OF RANGE! SET AGAIN
KNOB IS LOCKED!
PREFERENCE IS SYSTEM!
PEDAL FUNC IS PHRASE LOOP!
62
Items to check
Are the MIDI cables broken?
Is the GT-100 correctly connected to the other MIDI
device?
Do the MIDI channel settings of both devices match?
When you send messages from the GT-100, make
sure the GT-100 is set to the settings appropriate for
sending data.
Problem
The data cannot be processed correctly due to the
high volume of MIDI messages.
Transmissions from the connected device have been
interrupted. This message also appears when the
power to the connected device has been turned off. It
does not indicate damage.
Writing to the memory for storage of user data failed.
The [EXP] pedal cannot be calibrated.
The knobs are locked.
The "PREFERENCE" (p. 41) is set to "SYSTEM. "
The "PEDAL FUNC" (p. 32) is set to "PHRASE LOOP. "
Action
Try another set of MIDI cables.
Check connections with the other MIDI device.
Make sure that the MIDI channels of both devices match (p. 44).
Check the on/off status for transmission of program change messages
(p. 44) and the settings for the controller numbers to be transmitted
(p. 44) .
Action
Reduce the volume of MIDI messages transmitted to the GT-100.
Reduce the tempo of the transmitting MIDI device.
Check to make sure no cable is disconnected and that there are no shorts.
The unit may be damaged. Consult the nearest Roland service center.
Confirm the calibration by carrying out the procedure once more (p. 36).
If the message continues to appear even after the calibration is correctly
performed, it may indicate damage or malfunction. Consult your Roland
dealer or contact Roland Service Center.
Turn "KNOB LOCK" off (p. 41).
If the preference is set to "SYSTEM, " the patch assignment and manual mode
settings will be ignored. If you want to enable the settings of the patch,
change the preference for the corresponding parameter to "PATCH".
If the phrase loop pedal function is set to "PHRASE LOOP, " the patch assign-
ment and manual mode settings will be ignored. If you want to enable the
settings of the patch, set the "PHRASE LOOP PEDAL FUNC" to "OFF".