Canon 420EX User Manual
Page 43
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Multi-Speedlite System
4
Set the channel No.
• Press the < CH. > button and set the
same channel No. as the master
unit's.
• Pressing the
the channel No. in the following
looping sequence: 1,2, 3, 4...
Set the slave group ID.
• Set the slave group ID if you are
using the EOS-1 V. EOS-3, or EOS
30/ELAN 7E 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 < GROUP > button to set
the slave group ID.
• Pressing the < GROUP > sets the
slave group ID in the following
looping sequence: A, B, C...
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.
Take the picture.
o • If the master unit's flash mode is set to
(manual flash) or <
M
ulti
>
(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.
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