AvMix Fuel Mixture Indicator

Anyone have any experience with this? I have one installed but I don't have any manuals.

Would appreciate some tips on it's use, and a .pdf would be awesome.

Thanks!

I did some searching but could only come up with the MFG information, which may be stale.

Mixture setting system: For Globe GC-1B series. STC#SA00215NY
Installation of CAVU Model AM100 AVMIX engine fuel/air mixture setting system. CAVU Products Limited, 2325 Mountland Drive, Peterborough, Ontario, Canada K9K 1W3.