Canon EOS 60D Instruction Manual page 35

Custom Function Settings _
C:Fn I: Exposure
0: lt3=stop
1: 1/2-stop
Sets 1/2-stop increments for the shutter speed, aperture, exposure
compensation, AEB, flash exposure compensation, etc. Effective when
you prefer to control the exposure in less fine increments than 1/3-stop
increments.
With setting !; the exposure level wi!l be displaYed in the Viewfinder and en
the LCD panel as shown below.
J
0: l/3-stop
1: l-stop
0: Off
1: On
For the ISO speed, "H" (equivalent to ISO 12800)will be selectable.
Note that if [,,._,,C.Fn II -3: Highlight tone priority] is set to [1 : Enable],
"H" (equivalent to ISO 12800) cannot be set.
O: On
The AEB and WB-BKT settings will be canceled if you set the power
switch to <OFF>, clear the camera settings, or switch to the movie
mode. AEB will also be canceled when the flash is ready to fire.
1: Off
The AEB and WB-BKT settings will not be canceled even if you set the
power switch to <OFF>. (If the flash is ready to fire, AEB will be
canceled temporarily, but the AEB amount will be retained.)
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