Nikon D5100 Guide D’Exploitation

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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 
Custom Setting c2 (Auto off timers
0 160). 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 65).
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 81), press J for a few seconds. If white balance has been assigned to 
the Fn button (
0 165) 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.