I found this guide when needing to remap a key on my AEKII that uses a DIY usb-adb adapter. The method should work for any keyboard:
https://web.archive.org/web/20000621042449/http://207.208.148.74/12-27-99.shtml
I posted about this over at the Apple II Enthusiasts group on FaceBook, and I also sent Henry of ReactiveMicro an email, but thus far I've not been able to determine the cause of the problem I am having, which I described in detail in the following unlisted video on YouTube...
PROBLEM QUICK...