[Greg Waddell]

Hey everyone,

I've been using Calibre for quite awhile now and love it. I hope it never goes away because I depend on it.

Anyway, even with all my experience, there are still some things I haven't been able to wrap my brain around DUH. For example, can someone please explain to me what the "On Device"column is for and why some items have a check mark and the word Main but most do not?

I know there's a usage here I'm missing.

Thanks for your help.

gsw