Question about Canon SPEEDLITE 580EX TTL Flash

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Getting out of the Custom Functions menu

I am in C.Fn menu, did my adjustments but can not go out of the menu. The sign C.Fn remains on the screen and can not change the Mode to TTL anymore. I am supposed to press "Mode", but this does not help.

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  • Trevpayne47 Dec 06, 2008

    I cannot set my gun to ETTL. It stays at TTL and the CFn stays on screen. I was part way through shooting a job when I noticed my photos were grossly underexposed. After checking the gun, I found it to be set on TTL. I cannot seem to get it back on track. Is it a fault that needs a repair?



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Had the same problem, in the custom function menu choose C.Fn-05 and 0. This should rreturn your flash metering mode to E-TTL. Worked for me give it a try.

Posted on Dec 07, 2008


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First, it sounds like you've turned off the display by hitting the button. Page 42 of the manual describes hitting the , which toggles the display between being off and on. So, try hitting that button and see if that fixes your problem.

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