As I'm a little tired, my response will be a little "scattered"... but given it sounds like you work with a cable company, this should make sense.
You'll want to aim your dish at AMC 10... which is located at 135.0°W. Obviously, you'll have to set the azimuth and elevation of the dish correctly to get a clear shot. Make sure that your DigiCipher is authorized to view TWCs SD feed on AMC 10. If I had the user guide in front of me, I'd be able to give a little more "in depth" instruction, but unfortunately I've misplaced it. The LNB shouldn't really matter... as long as you can get the signal locked on and have the authorized cipher, you should be able to run the IS2Jr. Just make sure that you have a decent sized dish. The digital feed doesn't appear to be as fault tolerant with data like the old analog feed. If I may ask, could you post some of your questions? I can try to lend a helping hand.
@Trevor... why not just give the guy the number? It's not like it isn't plastered all over the internet as well as these forums already. If he is a legitimate TWC affiliate, then they'll help him through the process. That's what their job is. I don't understand why people try to withhold helpful information on here. Everyone should be able to be educated on a topic of their choice, even if they're not in the industry. No need to stipend someones interests. I've always been told that I'll never get anywhere with this equipment, but I've gone pretty far and have a great deal of knowledge on how these things work. So, for what it's worth, if you know a piece of information that can further expand someones knowledge in a topic that they are needing help in, give them anything you know. We can't evolve as humans if we withhold information. And I realize that I am going a little overboard regarding a phone number... but it's the message I'm trying to put across that counts. If someone wants to know something, tell them. Nothing behind this technology is a secret. It's all out there on the internet in the wide open already. Let's not make it any harder than it is.
TL;DR: 1-800-554-7354. I wish you luck, Proprius. Feel free to post back here and I'll try to help.