Opacity | |
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The Opacity determines the opaqueness of the image loaded into the background. Adjusting this helps make the either the image or the drawing lines easier to see. |   |
Changing the Image Opacity | |
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Move the Opacity scroll bar to the left to make the image dimmer. |   |
The image becomes much dimmer. |   |
Move the scroll bar to the right to make the image brighter. |   |
The image becomes brighter, but it may make the lines and arcs you are drawing on top of it harder to see. |   |