Canon Rebel SL1 EOS 100D Instruction Manual page 32

Matching the Light Source*
Select [Custom White Balance].
Under the [1_12] tab, select [Custom
White Balance], then press <SET>.
The custom white balance selection
screen will appear.
Import the white balance data.
Select the image that was captured in
step 1, then press <SET>.
On the dialog screen that appears,
select [OK] and the data will be
imported.
When the menu reappears, press the
<MENU> button to exit the menu.
Select [_.'._ (Custom)].
Under the [1_2] tab, select [White
balance], then press <SET >.
Select [_o_ (Custom)], then press
<SET>.
0 If the exposure obtained in step 1 differs greatly from the standard
exposure, a correct white balance may not be obtained.
In step 3, the following images cannot be selected: images captured
while the Picture Style was set to [Monochrome] (p.101), images
processed with a Creative filter, and cropped images.
Instead of a white object, a gray chart or 18% gray reflector
(commercially available) can produce a more accurate white balance.
The personal white balance registered with EOS Utility (provided
software, p.366) wilt be registered under <_."=.,_>. If you perform step 3,
the data for the registered personal white balance will be erased.
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