Thank you for your helping. No luck at all. I found the 11250 Freq LNB can connect to any port but the 10750 freq LNB can only work on port 1. If I connect the 10750 freq LNB (SAT#1) to other port of my diseqc except port 1, the q=0 and s<30. So, I connect 11250 Freq LNB (SAT#2) to port 4 but...