Инструкция для Canon EOS 7D Mark II Wi-Fi Adapter Kit

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 Customizing AF FunctionsN
120
Enables or disables the AF-assist beam from the built-in flash or EOS-
dedicated external Speedlite.
ON: Enable
The AF-assist beam is emitted when 
necessary.
OFF: Disable
The AF-assist beam is not emitted. 
Prevents the AF-assist beam from 
disturbing others.
1
: Enable external flash only
The AF-assist beam will be emitted when necessary only if an 
external Speedlite is used. The camera’s built-in flash will not fire the 
AF-assist beam.
IR: IR AF assist beam only
When an external Speedlite is attached, only infrared AF-assist 
beam will be emitted. This prevents the AF-assist light from firing as 
a burst of small flashes.
With an EX-series Speedlite equipped with an LED light, the LED 
light will not automatically turn on for AF-assist.
AF-assist beam firing
If an external Speedlite’s [AF-assist beam firing] Custom Function is set to 
[Disabled], the Speedlite will not emit the AF-assist beam regardless of this 
setting.