User`s manual
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Locking Flash Exposure
To activate high-speed sync mode on the
VS-510C, press the Mode and Zoom buttons
simultaneously. “H” and “On” will ash three
times on the LCD to show that the mode has
been activated.
To turn high-speed sync off, press the Mode
and Zoom buttons again. “H” and “Off” will ash
three times on the LCD to show that the mode
has been turned off.
Locking Flash Exposure
In automatic TTL mode, you can lock the ash output level that is optimal for specic elements of your scene
by using the ash exposure lock (FEL) on your camera. To lock ash exposure, follow these steps:
1. Position the element of your scene that you want to be correctly exposed in the center of your viewnder.