When we buy new device such as Roland S-4000R we often through away most of the documentation but the warranty.
Very often issues with Roland S-4000R begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Music Mixer Roland S-4000R is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Music Mixer on our side using links below.