Change layer visibility by turning layers on or off, freezing or thawing layers, or by isolating specific layers.

 Find
  Find 
	  = on
 = on 
		
 = off
 = off 
		
When working with drawings with lots of layers, freezing unneeded layers can speed up display and regeneration. For example, objects on a frozen layer are not considered during a ZOOM EXTENTS.

 Find
  Find 
	  = frozen
 = frozen 
		
 = thawed
 = thawed 
		

 .  Find
.  Find