Yes my 830 does the same thing, audio cuts out once in a while. I get some artifact in the picture as well. I tried tweaking the dish got a better signal but still get the occasional audio drop out on recordings. Not artifact now though. My signal levels are about the same as yours, some channels 10. ECB some 7.5 on others. So not the signal. must be something else. At one point I thought it was my Yamaha Receiver, they have known issues with audio troubles with digital receivers. It is a bit better now see how it goes.
Last edited by noah12; 2018-04-22 at 07:52 PM.