Canon Speedlite 430EX User Manual page 25

Sample wireless flash setup
Indoors
Outdoors
Master
unit
Set the master unit's flash mode
6
to <a>.
The slave unit(s) will also be
automatically set to <a>.
Check that the flash is ready.
7
When the slave unit is ready to fire,
the AF-assist beam will blink once
each second.
Check the flash operation.
8
Press the master unit's test firing
button.
The slave unit will fire. If the flash
does not fire, adjust the slave unit's
angle toward the master unit and
distance from the master unit.
Set the camera and shoot.
9
Set the camera in the same way as
with normal flash shooting.
Slave A
80°
8m (26.2ft.)
Slave B
12m (39.4ft.)
25