Check out this link for a whole lot of video learning from Fortec. Contains instructions for the Mercury II but has a whole lot of videos helpful for all sorts of things:
hxxp://www.ftavideos.com/fortec/cd/index.html
The link has separate videos for:
General FTA Information:
What is FTA?
Understanding DiSEqC & USALS
Azimuth, Elevation, & Skew
C-band vs. Ku-band
Geosynchronous Orbits
Understanding lyngsat.com
80cm/90cm North American Dish Assembly
90cm Euro Dish Assembly
Installing a STAB HH-90 Motor
Grounding Your Dish installation
Using a Compass
For the Mercury II
Connecting Your Receiver for the First Time
Antenna Setup Menu
Scanning Satellites for TV Channels
Using the Remote Control
Channel Editing
Using Favorite Lists
Using the Multi-picture Function
Channel Back-up and Channel Recovery
Loading Software to Your Mercury II
Receiver-to-receiver Software Transfer
.