UEI URC-8820-Cisco Remote

The UEI URC-8820-Cisco remote provided by Cox seems to be one of the few Cox-provided with no extensive User Guide... only device codes and VERY rudimentary programming information.

Three questions:

(1) Does there exist a complete User Guide somewhere that shows how to macro program this remote?

(2) Or is this remote neutered, and incapable of being macro-programmed?

(3) Alternately, Does there exist an after-market remote with such capabilities that will work with the Cisco 8642HDC set-top-box?