Controls the display
of layers in a DWF, DWFx, PDF, or DGN underlay.
Summary
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.
- On
-
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.
- Name
-
Displays the name of
the layer.
Ribbon: Insert tab 
Reference
panel 
Command entry: ulayers
