User Manual

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14. High Speed Synchronization
Most cameras support normal ash sync up to
its x-sync shutter speed (commonly between
1/160 second and 1/250 second). Beyond this
shutter speed, the cameras and the system
ashes will behave differently. The high
speed sync, which is also known as HSS or FP
s y nc, h a s t o b e e n a bl e d o n t h e s y s t e m  a s h
in order to synchronize the ash light with
the camera beyond the x-sync shutter speed.
Cactus V6 II supports cross-brand high-
speed sync in two ways:
1. Normal HSS: It supports the HSS or FP
s y nc c a p a bi l iti e s of t h e s y s t e m  a s he s.
While it allows users to adjust power
levels, the ash exposure is much lower
t h a n t h e n or m a l  a s h s y nc.
2. Power Sync: It syncs with the full power
 a s h p u l s e w it h o u t c o m p r o m i s i n g t h e  a s h
exposure. While it does not allow power
le v e l a d ju s t m e nt, t h e  a s h e x p o s u r e i s
much higher than in the normal HSS mode.