Quote Originally Posted by Ed Bray View Post
Or you could do whatI read on the internet a couple of years ago, for all models of the OM2SP, OM4 and OM4T/i when not being used turn the shutter speed dial to B this disconnects the battery circuit and prevents battery drain. I have been doing this for a couple of years with no adverse effects and no battery drain on my OM bodies, I also do it with my OM2ns.
Nikon's method seems superior.