Thumbnail viewer toolbar

The following table describes the toolbar in the Tile window.

Button	Name	Description
	Thumbnail Overview	Adjust the magnification so that the entire selected thumbnail appears in the viewer.
	Select Channel	Selected by default, click a thumbnail to assign a channel to it. When unselected, you can click to place the cursor in a thumbnail other than the selected one.
	Enhancements	Apply an enhancement to a selected image. Enhancements make the image on the screen clearer and easier to interpret without changing the actual values of the image file. Click the arrow to select from the following according to the enhancement you want: None Linear Root Adaptive Equalize Infrequency Tail Trim Exclude Min/Max Set Trim % For information about each enhancement type, see Enhancement options.
	Zoom to Overview	Adjust the magnification so that the entire image appears in the viewer.
	Zoom Interactive	Drag a rectangle over the area you want to magnify.
	Zoom In	Increase the magnification incrementally, centered on the cursor. You can also: Rotate the wheel button forward. To increment the zoom by a factor of two, hold down the Ctrl key, and then rotate the wheel button forward. Click a location or feature in the image, and then press Page Up.
	Zoom Out	Decrease the magnification incrementally, centered on the cursor. You can also: Rotate the wheel button backward. To increment the zoom by a factor of two, hold down the Ctrl key, and then rotate the wheel button backward. Click a location or feature in the image, and then press Page Down.
	Zoom 1:1	Adjust the magnification so that one screen pixel displays one image pixel, centered on the cursor.
	Pan	Drag the image to view a specific area. You can also: Pan horizontally to the left and right by, while holding down the Shift key, rotating the wheel button forward and backward, respectively. Pan vertically up and down by, while holding down the Alt key, rotating the wheel button forward and backward, respectively.