Nikon D3100, User Manual, Page: 184 / 318

92
t
D
Measuring Preset White Balance
If no operations are performed while the displays are flashing, direct measurement mode
will end when the exposure meters turn off. The auto meter-off delay can be changed using
the
Auto off timers option in the setup menu (
0
143). The default setting is eight seconds.
D
Preset White Balance
The camera can store only one value for preset white balance at a time; the existing value will
be replaced when a new value is measured. Note that exposure is automatically increased
by 1 EV when measuring white balance; when shooting in mode
M
, adjust exposure so that
the exposure indicator shows ±0 (
0
77).
A
Other Methods for Measuring Preset White Balance
To enter preset measurement mode (see above) after selecting preset white balance in the
information display (
0
87), press
J
for a few seconds. If white balance has been assigned to
the
Fn
button (
0
146) and preset white balance selected by pressing the
Fn
button and
rotating the command dial, the camera will also enter preset measurement mode if the
Fn
button is pressed for a few seconds.
A
Studio Settings
In studio settings, a standard gray panel can be used as a reference object when measuring
preset white balance.