Help with a ST-E3 RT setting question

Started Feb 9, 2013 | Discussions thread
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TerryAnderson Regular Member • Posts: 283
Help with a ST-E3 RT setting question

I just purchased 2 600ex RTs and a ST-E3 RT. The problem I am having is setting the ST-E3 RT to radio transmission, I can change the 600ex's easy to radio. Even after reading the manual over and over I still can't set the ST-E3 to radio to match the 600ex's.

I have tried several times and can only get it to work on optical.

Also I am trying to trigger this on a 5D III purchased in 2012

Any help is greatly appreciated!

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All the best and keep on shooting
Terry Anderson
Boston West Photography

 TerryAnderson's gear list:TerryAnderson's gear list
Sony RX100 II Sony Cyber-shot DSC-RX10 Nikon D90 Nikon D4 Nikon D800 +27 more
Canon EOS 5D
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