Canon Speedlite 430EX III-RT - Manual (Page 88)

88
> : Setting Personal Functions
P.Fn-07: I (Flash firing during linked shooting)
When performing linked shooting function (p.67), you can set whether or
not to fire the flash attached to the camera. Set it on each flash to be used
in linked shooting. P.Fn-07 is not displayed on the Speedlite 430EX III.
0: OFF (Disabled)
The flash does not fire during linked shooting.
1: ON (Enabled)
The flash fires during linked shooting.
P.Fn-08: ^ (Dial setting changes)
When < 8 > is pressed and the screen
displays the settings as shown on the left, you
can set whether or not the following functions
can be directly set by simply turning <
9 >.
0: OFF (Disabled)
This is the normal operation procedure.
1: ON (Enabled)
You can directly specify the settings by simply selecting the “Flash
exposure compensation amount”, “Manual flash output”, “Firing group
control”, “Flash ratio”, “Flash mode for each firing group in group flash”,
and “Slave firing group” symbols using the <
S > cross keys, and
turning < 9 >.
If you fire multiple Speedlites at the same time during linked shooting, the
appropriate exposure may not be obtained or uneven exposure may result.