It's sitting on the track.You need to allow for the thickness of the guide.
Click on "Etsy" in my post.@Martin Roper could you share the link for your doodad because I would like to add that to my makita track saw for a less "Philistine" mode of operation
Doesn't appear to work with mine. See the pics I posted.The top of the green above FS is for use with the guide rail but you need to calibrate using the fine adjustment knob. Whether imperial or metric adjust the fine adjustment to add in my case 1 MM, I have both imperial and metric in 55 and 75 and adjust the fine adjustment knob to just scratch the MFT surface (1mm) creating perfect cuts. Once adjusted lets say 3/4 inch you should never need to adjust again for any depth unless you drop your saw.
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Well thats not good but being Festool you can sent it to Festool USA and they will make any and all repairs normally in 2-3 days. If your saw is less than 3 years old you get free shipping as well as the warranty. I'm not sure if Klingspore would ship for you or not but worth asking.Doesn't appear to work with mine. See the pics I posted.