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Re: [OM] rebooting OM-4 computer chips

Subject: Re: [OM] rebooting OM-4 computer chips
From: GMcGrath@xxxxxxx
Date: Sun, 6 Dec 1998 16:48:04 EST
Here it is, Brad:

B4) Every other bar on the bargraph on my OM-{2S, 4(T)} doesn't
        work.  Can I fix this myself?

        Yes.  It happens when the microcontroller gets into a confused
        state, possibly due to a heavy load on a weak battery.  
        (The battery then recovers when the load is taken away).
        Reboot your camera as follows: Switch meter to Manual.  
        Switch shutter to B.  Toggle meter between Manual and Auto 
        a few times, then back to Manual.  Then switch shutter back 
        to an automatic speed.  Also check the batteries and clean 
        their contacts.  If you replace them, note that SR44 (#357) 
        is best, SR44P (MS76) is second best, and LR44 (MS76A) (alkaline)
        should be used only if the others aren't available.  
        SR44 is often marketed as a calculator battery; it's a 
        low-internal-resistance version of the SR44P.

Greg

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