To help us better help you, always state the exact firmware version installed on your Cactus device(s), such as: "1.1.013", "NIK.A.001", "v.103", or "A06".
TTL or HSS not working on Cactus V6 II and V6 IIs? Be sure to check hot shoe connectivity by doing the <CAMERA INFO> check.
Feel free to suggest an improvement or share product ideas. Contact us directly at info@cactus-image.com. At Cactus, we listen.
Comments
http://www.cactus-image.com/community/discussion/comment/2034/#Comment_2034
You can read more about Relay mode on p63 of the V6 II user manual:
http://www.cactus-image.com/Cactus V6 II User Manual (EN).pdf
Cheers!
Brand Manager