Nikon S6400 - Manual (Page 175)

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q/s/r Touch Shooting
Select one of the options listed below.
* Available only in A mode.
Option Description A
q Touch shutter
(default setting)
Pictures can be taken by simply tapping the monitor. E53
s Subject tracking*
Use this option to take pictures of moving subjects. Tap
the subject on which the camera will focus.
The focus area will automatically move to track the
subject.
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r Touch AF/AE
Tap the monitor to set the focus area.
Press the shutter-release button to take the picture with
the focus and exposure achieved with the focus area.
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