Unfortunatly I had the same problem with the two kind of EM1 . The older and the newest silver version . Yes you can use the arrow to manage aperture and shutter speed and use the front dial to zoom pictures avoiding to use the rear dial . It's what I'm doing now .You can find the details in the very good book of Darrell Young " Mastering the Olympus Em1 " available also as a kindle .
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