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III. Quick Start
If you don’t have much time to read the whole user manual, we advise you to read this section.
1. Please avoid the excessive use of the output with maximum power. It can effectively extend the service life
of this product. (It is recommended that the speedlite should be idle for more than 3 minutes when entering the
overheating protection.)
2. You can operate each buttons and observe the changes of the displayed content to understand their
respective functions.
3. Long press the [ZOOM] button, then through the [LEFT] or [RIGHT] button to select the off-camera mode Sc/
Sn/S1/S2.
4. Long press the [Fn] button can set the advanced options function of the flash, the setting details please refer
to the section of “Advanced Options Setting”.
5. The flash can be operated through the “External Flash Function Setting” through the Canon camera menu.
6. Press the [UP], [DOWN], [LEFT] and [RIGHT] buttons can quickly adjust the parameters of speedlite at the
current mode. For some parameters, the central [OK] button is need to press several times for setting.
7. This product provides ETTL/M/MULT mode, which can be switched through the [MODE] button.