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First, Thank You to all of the responses to posts from experts here. By searching old posts and posting new topics I did the LNBF change today. Without this site I would have been lost!

Well today was the day to change to change out the old feedhorn to the new LNBF (DSC-421). My first problem was the scaler ring's bolts that were provided. 1. They were two short and the arms could not seat on it. 2. There are no nuts included. I ended up going to the hardware store and bought nuts and bolts.

It was easier to change than I thought. My only issue was I would get even only channels or vertical only channels (CNN / TNT & Headline News). No matter how much I rotated it! I looked in the Uniden's owners manual and it did not say how to hook up an LNBF other than hit a "tune" and "2" to adjust polarity, which did nothing.

I knew logically that something in the receiver need to be changed. I found the "RF" choices and it was set to "C" band single. I ended up changing it to a Dual LNB and I was given the option to select LNBF. Once I did that I got the Channel 5 and 22. I tweaked the LNBF and locked it in position.

I am now 33 inches from the center of the dish vs. 36 inches with the LNB / feed. The F/D on the LNB is .40. I do not know it going from a 20 degree to a 13 degree has improved the reception or the old feed was not properly located (it was not adjustable) because I get a signal of 100 on the VCII channels and previously got a 60 and had sparklies on 22. Not any more.

The entire process took me two hours, that is the time from disconnecting the receiver in the house and setting up outside. It would have been less if I discovered the RF settings.

Is the settings on my Uniden correct for the C-Band only LNBF?

I am now ready to buy the Motorola DSR-410. Is it just going to be moving my dish to AMC-18 and disconnecting the LNBF and connecting it to the DSR?

Can I do a FTA and a DSR-410? My Uniden will be hooked the "antenna 1in" on the TV and located in the basement (it has the UHF remote). I will be able to see the screens to move the dish. The DSR-410 can use one of the A/V inputs or "antenna 2 in" and a FTA can use a A/V in. This TV I am using is using a OTA converter box on an A/V input.

I posted some pictures.

Position of wave guide for G5 / 22, my work area using a 25' foot coax from LNB to receiver, old feed, It's off, New scaler ring, Inside the LNBF, Hooked up, The "40" mark, Plate for feed horn cover & connected the cable to house, Done!, The RF Screen.