«PDF Underlay» Contextual Ribbon Tab

Underlay Adjust

Icon	Name	Description
	Contrast	Sets the contrast value of the underlay
	Fade	Sets the fade value of the underlay
	Monochrome	Displays the underlay in black and white

Reference Manager

Icon	Name	Description
	Clip	Defines a PDF underlay clipping boundary
	Delete	Deletes a PDF underlay clipping boundary
	Layers	Controls the visibility of PDF underlay layers
Tools for controlling the frame display on screen and in printed drawings (Frame flyout)
	Hide Frames	Hides the frame of the PDF underlay in the graphics area and on printouts
	Display and plot frames	Shows the frame at the borders of PDF Underlays in the graphics area and on printouts
	Display but don't plot frames	Shows the frame at the borders of PDF Underlays in the graphics area, but hides it on printouts
	Reference Manager	Displays the References Manager palette

Miscellaneous

Icon	Name	Description
	Adjust for background	Controls whether the underlay colors are visible or not
	Show clipped	Turns the clipping boundary on or off
	Show underlay	Hides or displays the underlay