Hitachi 57F510 57" Rear Projection HDTV-Ready Television "program dta800 converter box remote" Questions

...DTA800 for me & it was working ok for 3 months, I clicked on the info button, & the whole thing got messed up. Now nothing works, I tried reprogramming it & I cant get anything to work. ...

converter box DTA800 to go with my sony tv Triniton mod.KV-20FV300. It doesn't seem to work; programing, set-up. Please advise. Ah, the problem is likely your antenna. Make sure everything is properly