7. Menu Access of Camera (only for the more recent Canon models)
You can control the speedlite by accessing to camera menu on the recent canon models which support ETTL. On
the Flash Control Menu, you can set some parameters through “External flash func. setting” and “ External flash C.
Fn setting”, for example, Flash mode, Shutter sync., FEB, Flash exp. comp, Zoom, Wireless set., and advanced
setting etc.
8. Test Flash
Whether in any mode, you can press PILOT button to test if the speedlite flash normally. When testing the flash,
the speedlite will give flash at relevant output level in accordance with the chosen output power setting.
9. Power Saving Mode
YONGNUO designs a power saving mode for YN568EX, and the mode can be achieved by setting advanced
options function, such as <SL Sd 10>. Operate [Backlight/voice switch]+[MODE] buttons to enter into setting
state, and then select the option numbered 01 with [Up] and [Down] button, and set the state to be SL EP - - with
[Left] and [Right] button, “Automatic power off” will be closed, and when the state is set to be SL EP on,
“Automatic power off” will be opened up.
Power saving modes set by advanced option are as following: