1. What does the Overprint icon do?
The Overprint icons at the top of the Preview panels display a simulation of how blending and overprinting appear in color-separated output, that will not be applied to the inspection. Toggling the Overprint also re-loads the files. The default is toggled on.
2. What does Layers do?
Layers lets you select layers/ separations included in the inspection. All layers are selected by default.
3. How do I select Layers and/ or separations to include in the inspection?
Click Layers on the side panel via the Toggle Side Panel button). Check the layers and/ or separations to include in the inspection. Uncheck the layers that you do not want included in the inspection. The Spot Layers (separations) and Layers icons at the top of the Preview panels toggle between which are viewed under Layers on the side panel at a given point in time.