This assumes that it's not the ancient "BR-1000", which is an analog receiver from the early 1990s. Look for the words MPEG-2 somewhere on the receiver,
or examine the name plate for a full model number. (Are there any letters
before "1000"?)
Have a Universal LNB (9750-10650) and the same config work with my TwinHan1020.....
Now check again and can read 20 % ALL the time, with cable or without cable is the same...