Want to mix and scratch like a professional DJ? To be a good DJ you need to understand the concepts of mixing tracks, adding cool effects, and of course you need a good sense of rhythm to line up the beats. This how to video explains how you can fit the platter on a Denon DN-HS5500 digital DJ controller. This demonstration shows you how to fit the platter, slip mat and attach a 7" vinyl. Watch this DJ tutorial and you can learn how to fit the platter on a Denon DN-HS5500 digital DJ controller.