The Speedlite’s zoom setting will be set automatically to 24mm. It is possible to change the master unit’s zoom setting. However, note that the master unit transmits wireless signals to the slave unit(s) with the preflash. Therefore, the flash coverage must cover the slave unit’s position. If you change the master unit’s zoom setting, be sure to test the wireless flash operation before shooting. If the slave unit’s auto power off takes effect, press the master unit’s test firing button to turn on the slave unit.

A test flash cannot be fired while the camera’s operation timer 4or 0is active.

The slave unit’s auto power off time can be changed. (C.Fn-10 → p.27)

The time during which the slave unit’s auto power off can be canceled by the master unit can be changed. (C.Fn-11 → p.27)

Master Unit’s Flash ON/OFF

You can disable the master unit from firing so that only the slave unit(s) will fire a flash.

1 Press the <G> button so that the display blinks as shown on the left.

2 Disablefiring. the master unit’s flash

Turn the <9> dial to select <Q>, then press the <8> button.

XThe icon will change to <Y>.

Even if you disable the master unit’s flash firing, it will still fire a preflash to transmit wireless signals.

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