Carpokes

Strangely enough there is no one definitive tutorial on the 9201 timing belt tool. I just bought one but want to ensure i use it perfectly. What do all the buttons do. Whats the double dial for. How to calibrate it. How to use it for every belt.

If anyone knows a video tutorial or wants to make one or write one... id be thankful

I just went through this with a friend. Watching him stare and poke at it reminded me what a counter-intuitive device it really is. Here's an excerpt from my Panorama article that puts you in good company...
I'll try to do a simple video this week... In the meantime, study the pictures in the factory manual -- placement on the belts is key to an accurate reading...