Working with layers : Viewing layers
 
Viewing layers
You can make layers, layer groups, or vector objects visible or invisible in the image. The invisible layers remain in the image but are hidden from view. You can also invert visible and hidden layers.
To display or hide a layer
Edit tab 
Click the Visibility Toggle button for the layer that you want to display or hide.
Visibility Toggle button when the layer is displayed
Visibility Toggle button when the layer is hidden
Hiding a layer group hides all layers within that group.
To show the selected layer only, choose Layers View Current Only.
To show or hide all layers
Edit tab 
Perform a task from the following table.
 
To
Do the following
View all layers
Choose Layers View All.
Hide all layers
Choose Layers View None.
To invert visible and hidden layers
Edit tab 
Choose Layers View Invert.
All previously visible items are hidden, and all hidden items become visible.