Are Swift

Much thanks to all who replied, I was away from the internet for a few days and after much foul language and gestures toward the equipment found the culprit.The locking mechanism on the 600ex-rt...

Hello DPReview!For some reason I can't get my 600ex to fire when using an off camera cord. This is my set up and my trouble shooting steps so far:Canon 7DCanon 600ex-rt  (x 2)Vello OCF TTL cord 3ft...