Do this, menu 6-1-1, goto check switch screen...
You'll see the matrix, it'll show your satellites such as 119,110,61.5,129,148
I would think it'll probably have 119,110,61.5.
If you have 61.5, probably for a high def channel... though there are various other reasons as to why you could have a second dish, I've done an install before using two dishes one for 119 and one for 110 aimed perfect for LOS on a roof.