Start by downloading the latest version of software for the VGA7 at www.rolandus.com
You'll need a sequencer (keyboard, computer, etc) which is capable of playing Standard MIDI Files (SMFs), and a way to connect the sequence to the VGA7 with a MIDI cable.

***IMPORTANT: Once you begin the upate procedure, do not turn off the power of the VGA-7***

1) Connect the MIDI In of VGA-7 to the MIDI Out
of the sequencer with the MIDI cable.
2) Power on the VGA-7 while holding COSM GUITAR TYPE
and MANUAL.
3) Press WRITE while hoding TUNER.
4) When "--" is displayed send each SMF in numeric
order.
5) After the last SMF is sent, turn power off and back
on.
6) Perform Factory Reset: Power on while holding WRITE
then press WRITE.