To turn on the LCD screen at the rear, in order to look at your images, or to view the menu system. With the camera turned on, tap the DISP button on the top left of the body repeatedly until you see the information you want (don't hold it down). This feature cycles through a series of displays, each providing different information.
To view photos that you have taken, use the blue arrow key to turn on photo display, At that point the DISP button can be used to provide different informational views of the image. Again, here is a Link to XT Manual.
cheers, TREVOR
The mark of good photographer is less what they hold in their hand, it's more what they hold in their head;
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
