Vintage Roland PR-100 Sequencer

Description

Vintage unit powers up and by pressing some buttons I was able to get it to do some things as pictured -otherwise I have no idea what this is or how it works? I got it with some audio gear.
I have not tested the disk drive I do not have a disk so cannot report on that, selling as is.
I will include a power supply that works with the unit.
Cosmetically good condition no problems physically as far as damaged buttons or cracked screens or anything and as you can see it it is not DOA.
Condition is “Used”.
We do not accept returns.Payment is requested within 48 hours of winning the auction. Items are sold “as pictured” please view photos and ask questions prior to bidding.