Hello guys, Im totaly new here and its my first time with lightburn and laser engraver. I try to make something step by step from yt movies, but my min power button is still greyed. Can somebody help me please?
Grbl, longer ray5 20w
Minimum power for G code machines is only active when using ‘Grayscale’ image mode.
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previously I only worked with Corel and a plotter. Here the road will be more winding here, but I won’t give up. It’s good to know that good people will try to help 
maybe it’s stupid, but how to enable grayscale mode? Or i have to start on image type?
Sorry for my eng, im from poland
Ultimately, I want to take portraits in stone. I see that I have lot of work and much to learn 
One way is to…
- Select the image
- Right-click on the image
- Select Adjust Image
There you’ll find a drop-down for Image Mode. Choose grayscale from that list to enable the minimum power. The darkness of the image will determine the laser output power.
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You may also want to experiment with different dither methods to see what looks best to you on your material with your laser.
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Thanks man! I will try and let you know how it went 
You should be able to set the image dither in the cut/layer edit window… Double click on the layer in the cut/layer window.
Have fun
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