Canon EOS 7D Mark II Wi-Fi Adapter Kit Manual

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3
 Setting Custom FunctionsN
436
Safety shift
OFF: Disable
Tv/Av: Shutter speed/Aperture
This takes effect in the shutter-priority AE (s) and aperture-
priority AE (f) modes. If the subject brightness changes and the 
standard exposure cannot be obtained within the autoexposure 
range, the camera will automatically change the manually-selected 
setting to obtain a standard exposure.
ISO: ISO speed
This works in the Program AE (d), shutter-priority AE (s), and 
aperture-priority AE (f) modes. If the subject brightness 
changes and the standard exposure cannot be obtained within the 
autoexposure range, the camera will automatically change the 
manually set ISO speed to obtain a standard exposure.
 
Under [z2: ISO speed settings], even if [ISO speed range] or [Min. 
shutter spd.
] is changed from the default setting, safety shift will 
override it if a standard exposure cannot be obtained.
 
The minimum and maximum ISO speeds of the safety shift using the ISO 
speed will be determined by the [Auto ISO range] setting (p.158). 
However, if the manually set ISO speed exceeds the [Auto ISO range], 
the safety shift will take effect up or down to the manually set ISO speed.
 
Safety shift will take effect if necessary even when flash is used.