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Author Message   Cooltouch Tinkerer Username: Cooltouch Post Number: 146 Registered: 01-2009 Rating: N/A Votes: 0 Posted on Friday, November 18, 2011 - 11:21 am:    Thanks for the follow-up, Marek. When testing the flash, I do it off-camera and have the flash set to manual modes -- full power and then fractions thereof. I also own a 420EZ, which is very similar to the 430EZ, so I'm familiar with its operation. Off camera, set to manual, full power, it flashes dimly. I know that a cap holds much more than input voltage. But input voltage IS 6V DC. That was the point I was making.