Test Flash And Modeling Flash With A Receiver Unit - Canon 0585C006 Instruction Manual

While the flash mode can be set to </> auto external flash metering

when 430EX III-RT is set as a sender unit, this function is effective when
using a receiver unit that supports </> (example: 600EX-RT).
430EX III-RT does not support </>. As a result, when the flash

mode of the sender unit is set to </>, 430EX III-RT units set as the
receivers do not fire. When using 430EX III-RT as a receiver and setting
the flash mode with the sender, do not set the flash mode to </>.
When 430EX III-RT is set as the sender unit and the flash mode of firing

group "A" is set to </>, sender flash firing is not performed even if
430EX III-RT is set to "Sender flash firing: ON" (p.53).
When the flash mode is set to <a> or </>, exposure is

controlled as a single group to obtain the standard exposure for the main
subject. If you shoot with multiple firing groups pointing toward the main
subject, overexposure may result.
For </>, refer to the instruction manual of a Speedlite compatible

with auto external flash metering.
When you do not want a certain group to fire, select <E> when

setting the flash mode in step 3.
The order of firing among firing groups does not need to be consecutive;

for example, A, C, E can be set.
You can set the flash output or flash exposure compensation amount by

simply pressing <8>, selecting the firing group using the <S> cross
keys, and turning <9> (P.Fn-08/p.88).

Test Flash and Modeling Flash with a Receiver Unit

In radio transmission wireless shooting, you can fire the test flash and
modeling flash (p.36) from a 430EX III-RT set as a receiver unit.
Test Flash and Modeling Flash with a Receiver Unit
Select <N> or <M>.
Press <8> of the receiver unit.

Turn <9> to select <N> or

<M>, then press <8>.
 A flash signal is sent from the
receiver unit to the sender unit, and a
wireless system test flash or
modeling flash is fired.
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