Nikon D300 User Manual page 691

Using the White Balance from a
Previously Captured Image
It is also quite possible to select a White balance setting from
an image you have already successfully taken. This image's
value can be applied to the picture you are about to take or
can be copied to memory locations d-1 to d-4 (using the
method described previously) for later use.
Here are the steps and screens to recover the White balance
setting from an image stored on your memory card (see
Figure 10-9):
1. Use the Shooting Menu screens shown in Figure 10-6 to
get to the d-0-d-4 memory location screen.
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