User's Manual

Note:
1）You can choose whether or not to cancel FEB automatically after shooting three
shots with FEB by setting C.Fn03.
2）You can change the order of FEB sequence by setting C.Fn04.
3. High-speed Sync
With the high-speed sync function, the flash can synchronize with all shutter speeds.
This is convenient when you want to use aperture-priority AE for fill-flash portraits of
a subject.
High-speed sync function is available for EOS digital cameras since 2012 only.
1. Press function button 4 until is displayed.
2. Press function button 2 corresponding to ,
will be displayed on the screen. Check if is lit in
the view finder.
3. Press function button 2 will disable .
4. FEL: FE Lock
FE (Flash Exposure) lock locks the correct flash exposure setting for any part of the
scene. Perform FE lock by operating the camera. For the operation, see the camera
and flash’s instruction manual.
5. About Master Units
You can use two or more master units (master units + slave units = maximum of 16
units). By preparing multiple cameras with master units attached, you can shoot by
changing cameras while keeping the same lighting (slave units).
Note that when using two or more master units, the color of the <LINK> lamp varies
depending on the order in which the power was turned on. The first master (main
master) is green and the second subsequent masters (sub masters) are orange.
ETTL: Wireless Multiple Flash Shooting with Flash Ratio
1. Autoflash shooting with Two Slave Groups
You can divide the slave units into two firing groups A and B, and adjust the lighting
balance (flash ratio) for shooting. The exposure is controlled automatically so that the
total flash output of firing group A and group B results in the standard exposure.