Canon Speedlite 600EX-RT Mode D'emploi page 84

a: Fully Automatic Wireless Flash Shooting
82
Check the transmission channel.
3
If the channels of the master unit and
slave unit are different, set them to
the same number (p.78).
Position the camera and the flash.
4
Position them within the range shown
on page 76.
Set the flash mode to <a>.
5
Press the <E> button on the
master unit and set the flash mode to
<a>.
The slave unit is set automatically to
<a> during shooting via the
control from the master unit.
To also fire the master unit, set the
master flash firing to ON (p.79).
Check that the flash is ready.
6
Check that the master flash-ready
lamp is lit.
When the slave flash is ready, the AF-
assist beam firing area blinks in
intervals of 1 second.
Check the operation.
7
Press the master unit's test flash
button.
The slave unit flashes. If the slave
unit does not fire, check that it is
placed within the operation range.
Take the picture.
8
Set the camera and take the picture,
in the same way as with normal flash
shooting.
If a standard flash exposure was
obtained, the flash exposure
confirmation lamp lights for 3 sec.