Both motors have same parameters, except the new one has metal gear, old one has a plastic one, and new one has a third coax input - switch. Get English manual for
SM3D12 here:
http://www.sadoun.com/Sat/Products/S...OUN-SM3D12.pdf
For switch thing, label on motor says it all: LNB1, LNB2, Receiver...
Good luck!
Oh! I found an English manual on manufacturer's website:
http://www.sat-control.net/shop/page/doc/docid/22/
I suggest to read both, because
Sadoun's manual is longer