combined 4*1 and 8*1 to get 12 lnbs signal

[Hasinur Khan]

How can i combined 4*1 and 8*1 to get 12 lnbs signal in my mpeg4 set top box plz help me.

 

[shawl_who]

simple... put d o/p from 4*1 and 8*1 disecq switch as inputs to another 2*1 disecq...

then take d o/p of that 2*1 switch into ur STB. :k