Resizing linked Visio drawing in Pp - each time

[HankW]

Visio & Pp - 2003 on Win 2000 SP4

I have linked Visio drawings to Pp using - copy drawing and paste special -
paste link. The issues is - after everything is setup and looking correct, I
have revisited the Visio file (without making changes), and when I relook at
the Pp slides the images are bigger than the Pp slides. Therefore what I
have drawn in Visio cannot all be seen in Pp.

What is changing the sizing of the imagesin Pp? How can I reset them back
to the correct size?

Thanks for your help,
Hank