diseqc Switch 2 sattelites to one Reciever

Basically i have two sattelites one pointing at 28.2e the other pointing at 13.0e the two cables from each LNB go in into a two way diseqc switch, i want to recieve channels form both sattelites. on the dreambox in sattelite configuration i go with diseqc A/B and scan for transponders i can find channels from hotbird 13.0e with a strong snr 87% however i can't even get a lock on with eurobird 1/astar 2A,2B,2D weak snr 67%(im sure cables are plugged in correctly.) is there anyone out there who can help me with the LNB configuration to recieve channels from both sattelites uisng the 2 way diseqc switch version 2.0 thanks who helps me