User's Manual

High-Speed Sync (HSS) Control
High-speed sync (HSS) allows your camera
to set the shutter speed faster than what
flash would normally be able to fire in sync
with. HSS mode instructs the flash to fire
multiple short pulses of light to match the
shutter’s speed. To the camera, this will
appear as one continuous flash. Because of
the short duration of the light, the flash needs
to be positioned closer to the subject.
To activate high-speed sync mode, set your
transmitter to HSS mode by pushing the
function [ ] button until HSS appears on
the Vello FreeWave Captain’s LCD display.
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Second-Curtain Sync (SCS) Control
Second-curtain sync (SCS) fires a flash at
the end of an exposure (rather than at the
beginning) to create the illusion of motion
in an image. This creates an image that
blurs the motion of the subject from its
position at the beginning of the exposure
and then fully illuminates and captures its
position at the end of the exposure.
To activate, set your transmitter to SCS
mode by pressing the function [
button until SCS appears on the Vello
FreeWave Captain’s LCD display.
Note: Canon wireless flash functions
need to be disabled in your cameras
menu setting to use SCS.
CANON-SPECIFIC FUNCTIONS