4Parts of the CameraPrinciple Functions of the ControlsPrinciple Functions of the ControlsControl Main FunctionMode dialFor shooting Select a shooting mode (A31).Zoom controlFor shootingMove toward g (i) (telephoto) to zoom incloser to the subject, and move toward f(h) (wide-angle) to zoom out and view alarger area.For playback• Move toward g (i) to zoom in on theimage, and move toward f (h) todisplay images as thumbnails or thecalendar.• Adjust the volume for movie playback.q (Snap-back) zoombuttonFor shooting Widen the angle of view temporarily.Side zoom controlFor shootingUse the function assigned in Assign sidezoom control.• Zoom (default setting): Move toward g(telephoto) to zoom in closer to thesubject, and move toward f (wide-angle) to zoom out and view a larger area.• Manual focus: When the focus mode is setto E (manual focus), adjust the focus.• Set the f-number, ISO sensitivity, exposurecompensation, or white balance.Shutter-release buttonFor shootingWhen the button is pressed halfway: Setfocus and exposure.When the button is pressed all the way:Release the shutter.For playback Return to shooting mode.