but it need cactus and force hss to do that . with out cactus can't do above 1/200
but AD600+XT16+CACTUSV6II+XT1 and Usb XTR16 receivers, HSS work!!!
...but with use xtr16 as receivers,I can't adjust the power but built in AD600 as receivers can adjust power.
... your guys done a good job. thank for your work. I will help you promoting here in thailand.basz