Macduff - Thanks for the information. If you haven't already, check out the macro Gupta65 recommended in his response on March 26th. I created a custom button to run this macro and each time the image quality reduces I click on the macro and it increases it.
When I work on parts with curves and arcs the image quality changes on it's own when I edit a feature. I have the image quality set above the "Low" setting and the "Optimize edge length" box checked. I edit a feature or a dimension and the image quality resets itself back to "Low" and the...