Canon 550EX Camera Accessories User Manual


 
109
[3] Wireless Stroboscopic Flash
After setting up the wireless flash system, you can set stroboscopic flash with
the master unit for wireless stroboscopic flash.
The firing frequency and flash count will be the same for all slave units. They can be set by
following the procedure on page 97.
Set the flash output of the slave units in the same way as for wireless manual flash. See page 93.
To determine the proper exposure, take test shots and experiment.
Wireless Manual Flash With Varied Flash Output
Press the < > or < > button to set
the flash output for B.
Press the < > button.
C and the flash output display will blink.
Press the < > or < > button to set
the flash output for C.
Press the < > button to
register the settings.
7
8
9
10
If there are only two slave units (A and B), steps 9 and 10 may be omitted.
After you complete the settings, you can check the respective flash output for slave
units A, B, and C by pressing the < > or < > button.
Press the master unit’s pilot lamp to test fire the slave units.
08. F073-E (99~) 02.4.1 2:16 PM Page 109