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Canon® EOS Rebel XSi/450D Guide to Digital SLR Photography by David D. Busch

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Activating Live View

Once you’ve enabled Live View, you can continue taking pictures normally through the XSi’s viewfinder. When you’re ready to activate Live View, press the Set button.

Here are some things you should keep in mind when Live View is active:

  • Some functions don’t work as expected. Custom Functions for mirror lockup (C. Fn. III-09), Shutter/AE Lock button (C. Fn. IV-10), and the definition of the Set button (C. Fn. IV-11) are disabled. Auto Lighting if enabled in the Custom Functions menu, may produce a picture that is darker than normal. Changing the light source while viewing with Live View can cause the LCD screen to flicker. Bright objects on the LCD may be blacked out, but will photograph correctly (for the exposure used). ...

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