On Monday, May 14, 2018 at 1:23:32 PM UTC-4, Jean-Pierre Coulon wrote:
Thanks for the manual, but I am not learning much.

This sythetizer had spent a few years on a shelf.

Do you mean synthesizer?

After a few days with
the 220 V it restarted. I believe some accumulator was empty and it is
unable to boot in this case.

Hope it may help someone in the future :-)

Jean-Pierre Coulon