allows you to set a soft-proof profile for your image. Usually this will be a profile of a specific printer that will be used to print your image.
To get an idea how your image will look with the soft-proof profile enable
→ → .This command opens a dialog similar to that for assigning a Color Profile, where it shows the currently assigned soft-proof profile at the top, and lets you choose a new one below it.
By default None is selected as replacement. Clicking the drop-down will reveal a list of previously used color profiles that you can choose from, or you can , that will open a dialog to browse for a profile located on your computer.