Nikon D3300 Reference Manual page 165

2
Choose a focus option.
Highlight an option and
press J.
❚❚ Choosing How the Camera Picks the Area (AF-Area Mode)
In modes other than i, j, and (, the following AF-area modes
can be selected in live view (note that subject-tracking AF is not
available in %, U, g, ', and 3 modes):
Option
6 Face-priority AF
7 Wide-area AF
8 Normal-area AF
Subject-
9
tracking AF
Use for portraits. The camera automatically
detects and focuses on portrait subjects.
Use for hand-held shots of landscapes and
other non-portrait subjects. Use the multi
selector to select the focus point.
Use for pin-point focus on a selected spot in the
frame. A tripod is recommended.
Use if you want focus to track a selected subject.
Description
Live View 145