Hi, in my experience when the signal is low, it is always the quality bar which has the problem.
I tried an attenuator, it did nothing a complete red herring. I tried a signal booster, it definitely helped but wasn't a complete cure. I got the Ariel man out and changed my Ariel, it made no difference at all even with new cables. Humax sent me another box to try, it was identical, including with the "fix" below which worked exactly the same on both boxes.
It is usually if not always when there is a recording, or recordings ongoing.
I have always without fail managed to cure the problem by either playing around with the Ariel connector where it goes into the back of the Aura or more often (don't ask me why because I can't work it out) by pulling the whole Aura box forwards on whatever surface it is sitting. It is the weirdest thing. I just put the weak channel on the screen, pull up the signal strength page, and move the Aura about a bit, and the signal quality just goes up. Move it back where it was, and it goes down again. It always seems to like some tension on the Ariel cable, ie not slack. Crazy.
