Originally posted by Class A
Have you tried using a different unit on the camera?
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Yes, of course.
It looks as though the cactus, after some time (despite the power saving off) turned off anyway and stopped feeding the HSS signal to the camera. In manual mode the camera still gives 1 / 8000s but no synchronization anymore. It does not happen with the lights attached to the foot or by the dedicated cable, and only by the cactus.
And so is both with P-TTL HSS and with power sync.
I was thinking to leave one cactus for power sync with simple Phottix-but when he started to lose sync, I packed it and back to the store.
There was a question whether cactus recognizes the camera - so recognizes the camera and the lamp - with that no problem. Just something with stability in action. In general, it is quite complicated and there are no instructions in the Polish language, so it is not clear when and why some functions are included - although most I managed to master and understand.