Setting The Flash Function - Canon EOS 77D Instruction Manual

Setting the Flash FunctionN
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With the built-in flash or an EX-series, external Speedlite compatible
with the flash function settings, you can use the camera's menu screen
to set flash functions and the external Speedlite's Custom Functions.
If you use an external Speedlite, attach the Speedlite to the camera
and turn on the Speedlite before setting the flash functions. For
details on the external Speedlite's flash functions, refer to the
Speedlite's instruction manual.
Flash Firing
E-TTL II Flash Metering
Even if [Flash firing] is set to [Disable], if focus is difficult to achieve in low
light, the flash may still fire a series of flashes (AF-assist beam, p.127).
Select [Flash control].
1
Under the [z2] tab, select [Flash

control], then press <0>.
 The Flash control screen will appear.
Select the desired item.
2
Select the menu option to be set, then

press <0>.
To enable flash photography, set
[Enable]. To enable only the AF-assist
beam to be emitted, set [Disable].
For normal flash exposures, set it to
[Evaluative]. If [Average] is set, the
flash exposure will be averaged for the
entire metered scene. Depending on the
scene, flash exposure compensation
may be necessary. This setting is for
advanced users.
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