I’m using a 60deg lightburn camera on my co2 laser it hasbeen great until the latest update now lightburn will not save the calibration settings every time I turn on my machine to engrave I get no overlay until I recalibrate the camera then it is fine until i turn off and the next day I have to calibrate again as I get no overlay.
I had this issue and it was because the file permission on the preferences file was preventing over write .
You need to find the preferences file and make it yours …
I think .
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