Canon Speedlite 430EXIII-RT Instruction Manual

Also see for Speedlite 430EXIII: Instruction manual

Contents

65Test Flash and Modeling Flash with a Slave UnitIn radio transmission wireless shooting, you can fire the test flash andmodeling flash (p.36) from a 430EX III-RT set as a slave unit.Select <N> or <M>.Press <8> of the slave unit.Turn <9> to select <N> or<M>, then press <8>.X A flash signal is sent from the slave unitto the master unit, and a wireless systemtest flash or modeling flash is fired.Test Flash and Modeling Flash with a Slave UnitWhile the flash mode can be set to </> auto external flash meteringwhen 430EX III-RT is set as a master unit, this function is effective whenusing a slave unit that supports </> (example: 600EX-RT).430EX III-RT does not support </>. As a result, when the flashmode of the master unit is set to </>, 430EX III-RT units set as theslaves do not fire. When using 430EX III-RT as a slave and setting theflash mode with the master, do not set the flash mode to </>.When 430EX III-RT is set as the master unit and the flash mode of firinggroup “A” is set to </>, master flash firing is not performed even if430EX III-RT is set to “Master flash firing: ON” (p.53).When the flash mode is set to <a> or </>, exposure iscontrolled as a single group to obtain the standard exposure for the mainsubject. If you shoot with multiple firing groups pointing toward the mainsubject, overexposure may result.For </>, refer to the instruction manual of a Speedlite compatiblewith auto external flash metering.When you do not want a certain group to fire, select <E> whensetting 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 bysimply pressing <8>, selecting the firing group using the <S> crosskeys, and turning <9> (P.Fn-08/p.88).