Allen,
if you go and read the instructions I pointed to earlier you will see *ALL* the CVs which exist on that decoder. There are very few. You cant set or read CVs which do not exits.
EDIT: I don't understand why everybody blames Lenz for all the basic decoders out there (Bachmann, Atlas...). Maybe because Lenz just happened to be one of the founding companies which came up with DCC standard and specs? If that is the case then every DCc decoder out there has some Lenz in it.
I have a strong feeling that the Bachmann engineers in China designed that basic decoder from scratch themselves. They even obtained their own manufacturers ID. Lenz? Neah!