Nikon D7200 User Manual page 302

b Metering/exposure
b1 ISO sensitivity step value
1/3 step
1/2 step
b2 EV steps for exposure cntrl
1/3 step
1/2 step
b3 Easy exposure compensation
On (Auto reset)
On
Off
b4 Center-weighted area
 6 mm
 8 mm
 10 mm
 13 mm
Average
b5 Fine-tune optimal exposure
Yes
No
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Select the increments used when
making adjustments to ISO sensitivity.
Select the increments used when
making adjustments to shutter speed,
aperture, exposure and flash
compensation, and bracketing.
If On (Auto reset) or On is selected,
exposure compensation can be
adjusted in modes P and S by rotating
the sub-command dial or in mode A by
rotating the main command dial.
Choose the size of the area given the
most weight in center-weighted
metering. If a non-CPU lens is attached,
the size of the area is fixed at 8 mm.
Fine-tune exposure for each metering
method. Higher values produce
brighter exposures, lower values darker
exposures.
(defaults to 1/3 step)
(defaults to 1/3 step)
(defaults to Off)
(defaults to  8 mm)
(defaults to No)