I was wonder how to change the keys on 600s. I can only change one roll.
Their's nothing wrong with it. It autorolls great. But there been some trouble with other fta that aren't autoroll. Just what to be on the same side. to fix them manuelly.

Press the following on the remote
Menu

Accessories


Key Menu


Edit the neccessary keys

Save Changes

watch tv

also channel 200 CNN on DN seems to get my Captiveworks rolling faster so try that as well autoroll is up for me.