JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Adjust the Contrast/Brightness Display of an Attached Raster File Select the Contrast/Brightness tool ( Drawing > Attach > Raster ). Select the raster file. Adjust the Contrast and Brightness settings as required. Note: You also can select the image file prior to selecting the Contrast/Brightness tool. Parent topic: Contrast/Brightness