Verifying The Version Number; Performing A Factory Reset; Updating The System; Test Mode - Roland MT-90U Service Notes

Mar. 2008
Verifying the Version
Number
1.
Hold down the [1] button and the [
The version number appears on the screen.
2.
After carrying out verification, switch off the power.

Performing a Factory Reset

Executing a Factory Reset returns the following settings to their factory
defaults. These cannot be backed up. Note them down on paper as required.
• Tuning settings (Owner's Manual p. 17)
• Metronome tone (Owner's Manual p. 47)
• Count sound settings (Owner's Manual p. 48)
• Lyrics-display language setting (Owner's Manual p. 49)
• Track Assign settings (Owner's Manual p. 51)
• USB memory settings (Owner's Manual p. 52)
• USB driver settings (Owner's Manual p. 52)
1.
Hold down [ ] and press [4].
The Function screen appears.
2.
Press [ ] or [ ] to display a screen like the one shown below.
fig.factory-reset-ok.eps
To cancel the factory reset, press [
3.
Press [+].
The screen shown below appears and the [
fig.factory-reset-sure.eps
To cancel the Factory Reset, press [
4.
Pressing [ ] executes the Factory Reset.
5.
Turn the power off, then back on.

Updating the System

1.
Unarchive the update file, then copy all files and folders to the root folder
on a USB memory device.
2.
Load the USB memory device in the MT-90U.
3.
Hold down the [ ] and [
The update starts automatically.
* Never switch off the power while the update is in progress.
When the message Complete appears, the update has finished.
4.
Switch off the power and detach the USB memory device.
5.
Execute a Factory Reset.
18
] button and switch on the power.
].
] light flashes.
].
] buttons and switch on the power.

Test Mode

Items Required
• MT-90U
• AC Adapter: PSB-1U and power cord (included)
• Remote Controller for the MT-90U (included)
• Headphones
• MIDI Keyboard
• Microphone
• Monitor Speaker (with amp)
• Noise Meter
• Pedal Switch
• USB Memory Device (128 MB or larger, containing an MP3 file)
Entering the Test Mode
Hold down the [R] and [ ] buttons and switch on the power.
Quitting the Test Mode
Switch off the power.
Selecting Test Items
1.
Hold down the [ ] button and press the [
The Test menu appears.
2.
Use [ ] and [ ] to choose the test item you want to execute.
3.
Press [ ].
Test Items
1. Version (p. 19)
2. Device Test (p. 19)
3. USB Test (p. 19)
4. IrDA Test (p. 19)
5. Switch Test (p. 19)
6. Red LED Test (p. 19)
7. Green LED Test (p. 19)
8. LCD Test (p. 19)
9. Volume Test (p. 20)
10. MIDI Test (p. 20)
11. Noise Test (p. 20)
12. Mic Test (p. 20)
13. Phase Test (p. 20)
14. Echo Test (p. 20)
15. Factory Reset (p. 20)
Test Items Outside the Test Mode
Speaker Test (p. 21)
Headphones Test (p. 21)
External Speaker Test (p. 21)
MT-90U
] button.