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Watch video describing this functionality: https://www.youtube.com/watch?v=jiTpwXYE__I Rulers Rulers help you to accurately place and measure objects on the canvas. The common ‘0’ point of the horizontal and vertical rulers is the root. You can show and hide rulers in the options menu located in the left lower corner of your view. Guides Guides help you[...]http://myscada.org/downloads/manuals_image/img_6.14.1.jpg