Bob A manual is a work in progress at
http://phex.kouk.de/wiki/
This will be added to as and when users have the time and inclination, so a pdf version is as yet a distant dream!
I think most of the user help is to be found in this forum, and from the point of view of someone who is no computer expert much of it goes straight over my head! Read the posts by GregorK .. He has his hands on, is helpful and is inviting and welcoming the input of others.