I have a TMB ProTester DMX tester in my theater. However, I don't know how to use it it. I was wondering if anybody out there has a manual (if there is one) or knows where to find a manual (if there is one) or could even just explain how it works. Any of the above would be appreciated. I looked online at TMB's website and the only literature they have for it is the catalog page. Thanks in advance.