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-- HotSync with Mac OS X (http://discussion.visorcentral.com/vcforum/showthread.php?threadid=24600)

HotSync with Mac OS X

Can it be done? Yes

http://www.visorcentral.com/content/Stories/1472-1.htm

This is just for the 180/270, right? Seems that there has been mention that the 90 uses a different protocol to sync or something

Works for my Visor Deluxe. I needed to remove the 3.1.0 Update before it would sync; presumably you need to remove whichever update corresponds to your Visor's software (or perhaps all newer updates).