Got it! For some reason on this one, I had to program the house and the unit codes before I pushed the bottom off button. Don't know why they made like that. Now I have to remember that they are different. :P
Re: KR19A Slimfire Remote Programming Discrepancies... [Updated: 2006/10/18] (http://www.x10community.com/forums/index.php?topic=10654.msg62864#msg62864)
[TTA Edit: Added LINK.]