AF: Changing the Autofocus Operation *[] _¢_ If focus Cannot be achieved, the focus Confirmation light in theviewflnder w!ll blink. If this occurs, the picture cannot be taken even if theshutter button is pressed completely. Recompose the picture and try_ofocus againl Or see !iSubjects Difficult to E0cus'! (P,!00)_!f [_1: Beep] is set to [Disable], the beeper wi!! net sound when focusis achieved:AI Serve AF for Moving SubjectsThis AF operation is suited for moving subjects when the focusingdistance keeps changing. While you hold down the shutter buttonhalfway, the subject will be focused continuously.® The exposure is set at the moment the picture is taken.® When the AF point selection (p.97) is automatic, the camera firstuses the center AF point to focus. During autofocusing, if the subjectmoves away from the center AF point, focus tracking continues aslong as the subject is covered by another AF point.[] With AI Serve AF, the beeper wil! not sound even when focus is achieved.Also; the focus confirmation light in the viewfinder wi not light up:AI Focus AF for Automatic Switching olAF OperationAI Focus AF switches the AF operation from One=Shot AF to AIServe AF automatically if a still subject starts moving.® After the subject is focused in One-Shot AF operation, if the subjectstarts moving, the camera will detect the movement, change the AFoperation automatically to AI Serve AF, and keep tracking themoving subject.[] When focus is achieved inthe AI FoCusAE Operation_ith the Serv0 modeactive, the beeper will SOUnds0ftly_However, the focus confirmation light<• > in the viewfinder wi!! not light up, Note that focus wil! not be locked inthis case.96
