This part of the Visibility page lists all of the Layers in the drawing. You can click on a layer to toggle its visibility on and off.
Impact Explorer - Visibility - Layers
The right click context menu gives the following options:-
- Select All
- Select None
- Toggle Selection
- Select by Regular Expression - Enter a regular expression with which to match the layer names
- Explorer Pages - Switch to one of the other pages
Related articles: Impact Explorer