Nikon D3300 User Manual page 274

1
Display metering options.
Press the P button, then
highlight the current
metering method in the
information display and
press J.
2
Choose a metering
method.
Highlight an option and
press J.
A
Spot Metering
If e (Auto-area AF) is selected for AF-area mode during viewfinder
photography (0 78), the camera will meter the center focus point.
P button
P, S, A, and M Modes 115