#46360 - 02/06/0209:52 AMRe: Dr-550 or DR-550MKII manual
Scottyee
Senior Member
Registered: 12/01/99
Posts: 10427
Loc: San Francisco Bay Area, CA, US...
nacho,
You can find help with your Boss Dr Rhythm DR550/DR550MKII drum machine here. There may even be an online downloadable manual available there. http://www.rolandus.com/SUPPORT/SUPPORT.HTM