Underlay Layers Dialog Box
Quick Reference

Controls the display of layers in a DWF, DWFx, PDF, or DGN underlay.

Access Methods


 Ribbon: Insert tab Reference panel LayersNot available on the ribbon in the current workspace
 Shortcut menu: Select an underlay, right-click in the drawing area, and choose DWF, PDF, or DGN Layers.
 Command entry: ulayers


You can turn layers on and off to filter which layers display in an underlay.

List of Options

The following options are available in this dialog box.

Reference Name

Select the reference whose layers you want to manage.

Search for layer

Filters the layer list by name quickly as you enter characters. This filter is not saved when you close the Underlay Layers dialog box. You can also search using wild cards.


Turns the selected layers on and off. When a layer is on it is visible and available for plotting. When a layer is off, it is invisible and not plotted, even if Plot is on.


Displays the name of the layer.