Look in the help file or user guide PDF for either/both the Work Area Bar (aka WAB) and setting/using in/out points
Right click PDF link in the upper right corner and select to save to your hard drive
-the page also has links to help pages for previous versions
Thanks I was able to sort it out.
A bit of a faff though.
I can't expand the time line thingy to zoom in on the start and end of the clip but it seemed to work anyway, maybe it 'locked' onto the start and end of the chosen clip.
thanks again, another technique under my belt.
For more info on the WAB (Work Area Bar), see this article: http://forums.adobe.com/message/3961685#3961685
It is a very useful tool, and can be used for a few other things, beyond just Export/Share.