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Sorry guy; I can't give any info. I once was looking into another mfgrs offering similar to this, but read on various car forums that there is too much "approximation" and the figures aren't realistic enough - especially the 0-60 and 1/4 mile times.
I recently purchased a Passport G*Meter GT2 which essentially is similar to what you are looking at, but at a smaller/cooler package. Check http://www.escortradar.com for a list of its full functions.
I have started playing with this toy, and will be purchasing the cable/software to download the few runs that I had done. Do a search here and see how guys compare it to an actual track run.
Actually they're very accurate, they are even more accurate in some things. Trap speed is the exact speed athe end of a 1/4 mile, on a track, they average the last 60-100 feet to abtain a trap speed. On my mfgr, it's the exact speed at the end
I also tried my mfgr on a 300m and some other stock cars, and it was only off by about 1%(max), and this is the accuracy I'm trying to correct with my Z be entering the values I'm looking for...
It's an incredible tool, when you can't always make it to the track....