Using High-Speed Sync - Bolt vs-570s User Manual

Using High-Speed Sync

You can use shutter speeds higher than your camera's top flash sync speed with the VS-570 by activating
high-speed sync in automatic TTL mode. High-speed sync lets you use shutter speeds as fast as 1/8000
second. This is especially useful when using large apertures in bright situations or when freezing motion.
To activate high-speed sync mode on the VS-570,
H
press the Mode button repeatedly to cycle through
the flash modes until the high-speed sync mode
indicator appears on the LCD.
H
To turn high-speed sync on or off, press the up or
down buttons. "ON" will appear in the top right
corner of the LCD when high-speed sync mode is
activated, and [ ] will appear when high-speed
H
sync mode is deactivated.
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18 Using High-Speed Sync