Rear of The Camera - Part 1

The controls on the back of the Rebel T3i/600D. Some of the rear camera controls can be used only in P, Tv, Av, M, and A-DEP shooting modes. In automatic camera modes such as Portrait, Landscape, and Sport, the camera sets the majority of the camera settings for you, so pressing the AF,WB and Drive mode selection button has no effect. But in P, Tv, Av, or M, and A-DEP shooting modes, these buttons function as describeb in this section.

Here is a look at the of the camera:

• Menu button. Press the Menu button to display camera menus on the LCD. To move among menu tabs, turn the Main dial or press the left or right cross keys on the back of the camera. ( The cross keys are the keys surrounding the Set button.).
  
• Info. button. During still-image playback and in Movie mode, press Info. one or more times to show more of less information with the images or view of the scene. In still shooting, press the DISP. button, and press the info.button to switch back and forth between the Quick Control and Shooting information screens. The Camera Settings Screen lists key camera setting for quick reference.
• Viewfinder. Onthe Rebel T3i/600D, the viewfinder offers an approximately 95 percent view of the scene. The viewfinder uses a noninterchangeable Precision Matte focusing screen that displays the nine autofocus (AF) points.
• Dioptric adjustmen knob. Turn this knob to adjust the sharpness for your vision by -3 +1 diopters. If you wear eyeglasses or contact lenses for shooting, be sure to wear them as you adjust the dioptric adjustment knob. To make the adjustment, point the lens to a light-colored surface such as a white wall, and then turn the control until the AF points in the viewfinder are perfectly sharp for your vision.
• Live View/Movie shooting button. Pressing this button enables you to begin shooting in Live View mode. During movie recording, a red dot appears on the LCD screen to indicate that recording in underway.
• AE Lock/FE Lock/Index/Reduce button. Pressing this button after pressing the shutter button halfway enables you to lock the exposure on a specific point in the scene. Then you can focus on another part of the scene. If you're using the built-in flash, pressing this button locks the flash exposure in the same way. During image playback, you can press this button to display multiple images as an index or four nine images, or to reduce the size of an image you're enlarged during images playback.
• AF-point Selection/Magnify button. Press this button to activate the AF points displayed in the viewfinder so that you can manually select an AF point in P, Tv, Av, and M shooting modes. As you hold the button and turn the Main dial, you can select the AF point, or you can select all the AF points to have the camera automatically select the AF point or points used to focus. Then you can press the  Set button to select the center AF point, or press again to switch to automatic AF point selection. During image playback, you can press this button to enlarge the preview image to check focus.
• Speaker. Plays the audio recorded when you shoot a movie clip. You can adjust the playback volume by turning volume by turning the Main dial.
• Card slot cover. Covers the housing for the SD (Secure Digital), SDHC (SD High Capacity), or SDXC (SD Extended Capacity) memory card. Do not open this cover while images are being recorded or erased from the memory card, and do not turn off the camera.
• DC cord hole. Use this connection with the accessory AC Adapter Kit ACK-E8 to power the camera by plugging it into a household electrical outlet.
• Access lamp. Lights when images are being written to the memory card. Do not open the card slot cover or turn off the camera when this lamp is lit.
• Erase button. During image playback, press this button to delete the currently displayed image. Or you can press the left or right cross key to move to another pictureto delete.
• Playback button. Press this button to display the last image or movie captured on the LCD. To show more or less information durin playback, press the info. button one or more times. Pressing the Index/Reduce button on the top-right back of the camera during playback displays a grid of 2x2 or 3x3 images that you can scroll through using the Main dial. Press the AF-point Selection/Magnify button once or twice to return to single-image display.
• Quick Control (Q) button. Press this button to display the Quick Control screen on the LCD. From the Quick Control screen, you can change exposure and other camera settings. During priting, press this button to print one or more images from the SD card when the camera is connected to a compatible printer.
• Aperture/Exposure Compensation button. Press and hold this button and turn the Main dial to set Exposure Compensation in P, Tv, Av, and A-DEP shooting modes. In Manual mode, press and hold this button and turn the Main dial to set the aperture.
• Articulates LCD monitor. The color liquid-crystal 3-inch LCD monitor displays the camera settings, camera menus, images previews, and the Quick Control screen. You can choose from seven levels of LCD brightness. You can pull out and turn the articulated LCD in virtually any direction to view the scene when looking through the viewfinder is awkward, and when you're shooting in Live View and Movie modes.