HIPS and SIPS Module : HIPS and SIPS Editors : Subset Editor : Subset Controls : Tracking layer : 8. Select the Mark all Subset Tile layers option to flag the tiles in ALL tile layers as completed, or select Mark only snap target to select tiles only in the selected tile layer as completed.
 

8. Select the Mark all Subset Tile layers option to flag the tiles in ALL tile layers as completed, or select Mark only snap target to select tiles only in the selected tile layer as completed.