3Custom Function SettingsN
C.Fn-06 Exposure level increments
0:1/3-stop
1:1/2-stop
Sets 1/2-stop increments for the shutter speed, aperture, exposure compensation, AEB, etc.
The exposure level will be displayed in the viewfinder and on the LCD panel as shown below.
C.Fn-07 Flash firing
You can enable the built-in flash, external Speedlite, and non-Canon flash connected to the PC terminal to fire.
0:Fires
1:Does not fire
This will disable the flash, but the AF-assist beam will still be emitted. Note that whether or not the AF-assist beam is emitted is dependent on the C.Fn-05 setting.
C.Fn-08 ISO expansion
0:Off
1:On
For the ISO speed, “H” (equivalent to ISO 3200) will be selectable.