Dear Harry, All.
In my opinion the User Manual and the available examples are a bit too complicated for a new user. It is my opinion at least because it has been my experience.
Few months ago I prepared a model in JaamSim for some barge transshipment operations, and I have written now a sort of guide explaining it, step by step, where I comment the main features of the simulation and the model.
I drop here the link to the guide and the model in case somebody finds it useful.
Regards!
https://app.box.com/s/gvb55up4yd6tr3aalc84tk3dhbej5gii