Wrong measurements

I am not able to get accurate size. I am using a 15w FoxAlien XE-4040. I selected GRBL for my controller. I have my 0,0 set at lower left corner.
Problem is:

  1. If I draw a box that shows on screen to be 1” x 1”, then run the program it burns very nicely but it’s actual measurement is 5” x 5”.
  2. I tested this by burning a dot at 0,0 then set the movement to be 1” and pressed the arrow it the moved not 1” but 5”.
    It’s is set for absolute cord’s. Don’t know what else to say
    I just have to us trial and error to run a pic or image.
    Any help,would be appreciated.

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