Insignia 32" 720p Flat-Panel LCD HDTV "comcast dc50xu" Questions

comcast dc50xu - need instruction book for the remote control, i can change channels with it , but must use the tv remote to turn on/off and volume,needto use one remote- comcast to do all functions ...

...Comcast DC50XU digital cable converter. There is no brand name on the unit. I called Comcast...they are clueless...they could only tell me Pioneer made it. ...