Using the 580exII on a Canon 50D off camera ettl mode with Yongnuo YN622-c transceivers. Camera in manual but 580exII in ettl. Why does the flash go into HSS automatically when I am shooting manual and have my manual exposure set, shutter speed at flash sync of 250, or even set below in some cases. I have a FEC of -2 but that doesn't show up on my flash, it just automatically goes into HSS even though I am at or below flash sync speed.
Is it the flash or me.