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The Quick Control screen appears on the monitor when the camera is in shooting mode — that is, you’re not viewing menus, checking out your pictures in playback mode, and so on. The screen displays different data depending on your exposure mode and whether features such as flash are enabled. The left side of Figure 1-21 shows the screen as it appears in Scene Intelligent Auto exposure mode; the right side, Tv mode (shutter-priority autoexposure).

FIGURE 1-21: The data displayed on the Quick Control screen depends on your exposure mode.

Here are the keys to taking advantage of this screen:

 Displaying and hiding the Quick Control screen: By default, the screen appears automatically when you turn on the camera and goes to sleep if no camera operations are performed for 30 seconds. You can wake up the display by pressing the shutter button halfway and then releasing it. If you want to turn off the display before the automatic shutoff occurs, press the DISP button (top of the camera, just behind the Main dial). You can adjust the timing of the automatic shutdown of this screen and others by selecting the Auto Power Off option from Setup Menu 2. I provide the details near the end of this chapter, in the section devoted to that menu.

 Keep an eye on the battery symbol and the shots remaining value, both labeled in Figure 1-21. A full battery like the one in the figure means that the battery is charged; as it runs out of power, bars disappear from the symbol. The shots remaining value indicates how many more pictures will fit in the free space available on your memory card. This value depends in large part on the Image Quality setting, which determines the resolution (pixel count) and file type (Raw or JPEG). If those terms are new to you, the next chapter explains them.

 You can replace the Quick Control screen with an electronic level, shown in Figure 1-22. This feature is helpful when you use a tripod and want to ensure the camera is level to the horizon. When the horizontal line appears green, as shown in Figure 1-22, you’re good to go. By default, you need to press the Info button twice to shift from the Quick Control screen to the level. Your first press turns off the screen, and the second press brings up the level. Press Info again to return to the Quick Control screen. Again, which screens appear when you press the Info button depends on the Info Button Display Options setting, found on Setup Menu 4. You can find details on this option in the section “Setup Menu 4,” found near the end of this chapter.

FIGURE 1-22: You can swap out the Quick Control screen with an electronic level.