Instruct: Classify Amazon reviews into positive or negative sentiment
Query: RCU810MSL ... returned it.

One would think that an RCA remote would work with an RCA dish TV controller... wrong! In code set mode, I tried all four codes that were listed, none worked. I tried the auto search feature, it failed as well. The controller box went on and off but thats all, couldn't get the menu or Info buttons to work. In despiration I tried to have it "IR Learn" individual buttons from an existing controller. It reported "Success" every time but none of the buttons worked on the controller box. After wasting 3 days trying, I returned it.