The iA (Intelligent Auto), consists of four functions: The iA function consists of four functions: POWER O.I.S., Intelligent Scene Selector, Face Detection and Intelligent Contrast Control, senses the shooting conditions and automatically makes the settings and activates functions that will deliver optimal results. With both motion and still images, iA does the bothersome settings for you and makes it easy to capture beautiful, well-focused images. ・ The functions included in iA may not be applied when conditions do not call for them. ・iA mode is effective only when shooting movies.