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View Full Version : Wake up asleep flash units remotely


zwollenaar
13th of December 2007 (Thu), 01:53
My two 580EX units are connected with PW II's via a sync cabled hot shoe (http://flashzebra.com/wizardcables/hotshoe.shtml) and are triggered by the third PW II attached on camera. If the flash units are set by C Fn 01 = 0 then they will turn off power after maxium 15 min. and the PW's are unable to continue to work with. Else if the C Fn is switched to 1, batteries won't last so long.

Would someone give me a way to wake up the flash units remotely to make the whole lighting ready for camera to shoot at any moment it needs? Thanks.

Dockland
13th of December 2007 (Thu), 05:05
I dont think that is possible. A workaround would be to connect external batterypack to slave flash and leave it on all the time.

Gatorboy
13th of December 2007 (Thu), 07:29
Turn off Auto-Sleep mode. Custom Function 14.