I just wanted to thank everyone who's contributed to this thread, especially Andre. I've had a few bad experiences with Radio Shack in the past (never get talked into a Radio Shack cell phone policy) but, on the basis of this thread, I bought one today and I love it, although I would have been lost if not for the information I received here. Leave it to the nimrods of Radio Shack to put out such an incomplete manual. Now, if anyone out there knows what the 4-digit code for my son would be (or even which device key he'd fall under)...