Canon EOS 60D - Manual (Page 183)

183
3 Menu Function Settings
AF and metering buttons for k
You can change the function assigned to the halfway pressing of the
shutter button, the AF start button, and the AE lock button. You can
assign the following functions to the buttons in one of ten
combinations: Metering & AF start, AE lock, metering start, AF stop,
and no function.
kISO speed setting increments
You can set the ISO speed manually in 1/3- or 1-stop increments.
kHighlight tone priority
If [Enable] is set, highlight detail will be improved. The dynamic
range is expanded from the standard 18% gray to bright highlights.
The gradation between the grays and highlights becomes smoother.
The settable ISO speed range will be ISO 200-6400. The Auto
Lighting Optimizer will also be set automatically to [Disable] and
cannot be changed.
The AF mode you set will also take effect for Live View shooting (except for
[Crop 640x480]).