Nice to know it helped some!
Staybullex: Thanks for hosting it somewhere else. About your question: You could install the "SimMod Terrain" without "Modman", but it helps you toggle it off again in case you don't like it (e.g. some people don't see ground units well).
I've seen two errors in my document:
a) It's "Ka-50", not "KH-50", of course :-)
b) When doing "Master arm on", you also have to switch on the "Shval sensor and navigation power" (seen upper right on page 5) or you can't use the "TV designator" later on.
I've purposedly only listed the minimum steps to "get" into the sim (and explanations from my perspective), for more advanced leaning please see:
http://duke49th.de/tvideos-bs.html in german.
The "developer's notes" on digitalcombatsimulator.com under files->videos in english.