The OS is displayed upon power on. The current version as of 11/15/01 is 1.052.

The current version can be downloaded at: www.rolandus.com
1. Connect the MIDI OUT of the Sequencer to the MIDI IN of the VM-3100/3100Pro.
2. Power on while holding down the Channel 2 and 5 SELECT buttons. "MIDI System Update?" will be displayed.
3. Press ENTER/YES and confirm the Main part only is selected. If not, press F3 to select.
4. Press F4. "Erase Old System OK?" will be displayed.
5. Press ENTER/YES, "Waiting MIDI-EX" will be displayed.
6. Playback the files "vm310001.mid" to "vm310005.mid" in order from the sequencer.
7. When "Please Reboot OK" is displayed, power off then back on.

Warning: Do not turn the power off during the update. This can damage the memory of the VM-3100/3100Pro.

To confirm the system version in your VM-3100/3100Pro:

1. Power on while holding down the SELECT buttons of both channels 4 and 7.
2. Press F4 to display the system version.
3. Press F4 and power off to exit.