When we buy new device such as VocoPro DVX-890k we often through away most of the documentation but the warranty.
Very often issues with VocoPro DVX-890k 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 Karaoke Machine VocoPro DVX-890k is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Karaoke Machine on our side using links below.