I did a little teardown and demonstation of my 560 on my website;
http://www.pa4tim.nl/?p=5964 . The short demo is on my youtube channel :
https://youtu.be/4dd-BCJGP14I repair a lot of gear that has a lot of logic IC's so I really use it.
I read there was PC software for it (running under DOS probably) Does anybody has a copy of that. As I understand it correct you can use that to add new IC's to the library. Mine is version 3,.1 and has to user programmed eeproms but I have not yet looked what is inside them.