127You can easily fine-tune AI Servo AF to suit a particular subject orshooting scene just by selecting an option from case 1 to case 6. Thisfeature is called the “AF Configuration Tool”.1 Select the [21] tab.2 Select a case.Turn the <5> dial to select a caseicon, then press <0>.X The selected case will be set. Theselected case is indicated in blue.As explained on pages 132 to 134, case 1 to 6 are six settingcombinations of “Tracking sensitivity”, “Acceleration/decelerationtracking”, and “AF point auto switching”. Refer to the table below toselect the case applicable to the subject or shooting scene.3 Selecting AI Servo AF CharacteristicsNCase 1 to 6Case Icon Description Applicable Subjects PageCase 1 Versatile multi purposesetting For any moving subject. 128Case 2 Continue to track subjects,ignoring possible obstaclesTennis players, butterflyswimmers, freestyle skiers,etc.128Case 3Instantly focus on subjectssuddenly entering AFpointsStarting line of a bicyclerace, alpine downhill skiers,etc.129Case 4For subjects thataccelerate or deceleratequicklySoccer, motor sports,basketball, etc. 129Case 5 For erratic subjects movingquickly in any direction Figure skaters, etc. 130Case 6 For subjects that changespeed and move erratically Rhythm gymnastics, etc. 131
