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Other Protections
The system provides real-time protection to secure the device and your safety. The
following lists prompts for your reference:
A failure occurs on the recycling system so that the flash cannot fire.
Please restart the flash unit. If the problem still exists, please send
this product to a maintenance centre.
The system gets excessive heat. Please allow a rest time of 10
minutes.
The voltage on two outlets of the flash tube is too high. Please send
this product to a maintenance centre.
There are some errors occurred during the upgrading process.
Please using the correct firmware upgrade method.
Canon EOS cameras (E-TTL II autoflash)
Auto zoom (Flash coverage set
automatically to match the lens focal
length image size)
Manual Zoom
• Swinging/tilting flash head (bounce
flash): 0 to 300° horizontally and -
7° to 120° vertically
E-TTL II autoflash and manual flash
Flash exposure compensation (FEC)
Manual. FEB±3 stops in 1/3 stop
increments (Manual FEC and FEB can be
combined)
With <FEL> button or <*> button
High-speed sync (up to 1/8000 seconds
first-curtain sync, and second-curtain sync
Provided (up to 100 times, 199Hz)