Originally Posted by n4yqt
Bromleyc: It sounds like you have an antenna system issue.
I've said this before and I'll say it again!
The MOST important part of a Television Reception System is a PROPERLY INSTALLED and TUNED Antenna System!
(url's deleted since this is only my third post and it choked...)
Regarding the CM-7000, I'm planning to place an order for two of them by the end of this month, which is when my coupons expire.
I had a similar video quality issue with the Channel Master. I know the antenna is good because the Insignia and Digital Stream and Mitsubishi all worked OK in comparison, at least until the Insignia suddenly started acting strangely, but that may have been due to other problems...
By 'jerky video'... well actually what I experienced with the Channel Master was not the stuttering of signal dropout that bromleyc seems to have, but rather highly annoying gross blocky pixellation on instantaneous radical scene changes, jagged object boundaries with subtle movement, and motion blur. I have heard it is a function of the broadcaster rather than the box but my recollection is that for the brief time I owned the Channel Master, it performed substantially worse than the Mitsubishi I had here briefly and also worse than the Insignia and Digital Stream that I bought later on.
Could you do us all a favor and post an update of the comparative performance after you get yours working? I am particularly interested in how you rank the Channel Master vs the Digital Stream and Insignia/Zenith. I tried all three, and in terms of picture quality I ranked them in this order: Zenith, Digital Stream, Channel Master... which is curious, since given the features and price I would have expected them to fall out in opposite ranking order!
The problem I have here is that I cannot test them all side-by-side since there are limitations on the return policy and the Channel Master is already gone. That makes objective comparison of the picture quality more difficult because the testing environment is not exactly parallel... but I am curious!