Flash: Did Not Fire

A Canon 580EX II sitting atop a PocketWizard FlexTT5 transceiver. On top of the Canon 1Dx, a PocketWizard Mini TT1 transmitter. A standard, popular remote flash trigger setup.

You might have thought that 14 months after Canon released their flagship camera, PocketWizard would have updated their radios to work with it, wouldn't you?

You'd be wrong.

Allegedly, the fully firmware updated combo (as these are) will work with manual flash power, but as you can see, the flash remains resolutely unfired.

Unlike the owner...