Mar. 2008 MT-90U Verifying the Version Number Test Mode Items Required 1. Hold down the [1] button and the [ ] button and switch on the power. • MT-90U 2. After carrying out verification, switch off the power. The version number appears on the screen. • AC Adapter: PSB-1U and power cord (included) • Remote Controller for the MT-90U (included) • Headphones Performing a Factory Reset • MIDI Keyboard • Microphone Executing a Factory Reset returns the following settings to their factory defaults. These cannot be backed up. Note them down on paper as required. • Monitor Speaker (with amp) • Noise Meter • Tuning settings (Owner’s Manual p.
17) • Pedal Switch • USB Memory Device (128 MB or larger, containing an MP3 file) • Metronome tone (Owner’s Manual p. 47) • Count sound settings (Owner’s Manual p. 48) • Lyrics-display language setting (Owner’s Manual p. 49) Entering the Test Mode • Track Assign settings (Owner’s Manual p. 51) • USB memory settings (Owner’s Manual p. 52) Hold down the [R] and [ ] buttons and switch on the power. • USB driver settings (Owner’s Manual p. 52) Quitting the Test Mode 1. Hold down [ ] and press [4]. Switch off the power. 2. Press [ ] or [ ] to display a screen like the one shown below. The Function screen appears. Selecting Test Items fig.factory-reset-ok.eps 1.
Hold down the [ ] button and press the [ ] button. The Test menu appears. 2. Use [ ] and [ ] to choose the test item you want to execute. To cancel the factory reset, press [ ]. 3. Press [ ]. 3. Press [+]. Test Items fig.factory-reset-sure.eps The screen shown below appears and the [ ] light flashes. 1. Version (p. 19) 2. Device Test (p. 19) 3. USB Test (p. 19) To cancel the Factory Reset, press [ ]. 4. IrDA Test (p. 19) 5. Switch Test (p. 19) 4. Pressing [ ] executes the Factory Reset. 6. Red LED Test (p. 19) 5. Turn the power off, then back on. 7. Green LED Test (p. 19) 8. LCD Test (p. 19) Updating the System 9. Volume Test (p. 20) 10. MIDI Test (p. 20) 11. Noise Test (p. 20) 1.
Unarchive the update file, then copy all files and folders to the root folder on a USB memory device. 12. Mic Test (p. 20) 2. Load the USB memory device in the MT-90U. 13. Phase Test (p. 20) 14. Echo Test (p. 20) 3. Hold down the [ ] and [ ] buttons and switch on the power. The update starts automatically. 15. Factory Reset (p. 20) * Never switch off the power while the update is in progress. Test Items Outside the Test Mode When the message Complete appears, the update has finished. Speaker Test (p. 21) 4. Switch off the power and detach the USB memory device. 5. Execute a Factory Reset. Headphones Test (p. 21) External Speaker Test (p. 21) 18