Operation Manual

43
Multi-Speedlite System
3
Set the channel No.
• Press the < > button and set the
same channel No. as the master
unit's.
• Pressing the < > button selects
the channel No. in the following
looping sequence: 1, 2, 3, 4...
4
Set the slave group ID.
• Set the slave group ID if you are
using the EOS-1D, 1V, 3, D60, D30,
ELAN 7/7E, or 30/33 with two (A and
B) or three slave groups (A, B, and
C). If you are using a Type-A camera
other than the above, you need not
set the slave group ID since only one
slave group can be used.
• Press the < > button to set
the slave group ID.
• Pressing the < > sets the
slave group ID in the following
looping sequence: A, B, C...
• If the master unit's flash mode is set to < > (manual flash) or < >
(stroboscopic flash), the slave unit(s) will not fire. Be sure to set the master
unit's flash mode to < >.
• With a Type-B camera, wireless flash photography is not possible with the 420EX.
5
Position the Speedlites and fire a
test flash.
• Use the mini-stand (provided) to
position the slave unit(s) within the
effective wireless transmission range.
•
Press the test firing button on the master
unit to see if the slave unit(s) fire.
6
Take the picture.
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