That applies to OM-4 only. There was never a circuit improvement made
for the OM-3.
___________________________________
John Hermanson | CPS, Inc.
21 South Ln., Huntington NY 11743
www.zuiko.com | omtech1@xxxxxxxxxxx
Olympus OM Service since 1977
On 9/28/2013 8:43 PM, Andrew Fildes wrote:
> The battery drain problems were mostly solved by then. To check for a
> good one, you hold the battery check on and if the squeal cuts out
> after thirty seconds, it's the new circuit. Many sudden flat battery
> problems were caused by the camera bag pressing on the check lever
> and using up the battery on the 'OK' sound. Also, as there is no off
> switch on many OM's, the trick was to use wristwatch grade batteries
> - SR44SW. These are designed for a constant slow drain. Regular
> SR44's or alkalines can go flat pretty quickly. It's what Olympus
> recommended but most people didn't know the difference. I've bought a
> few 'faulty - mirror locked up' OM's in my time. people test them
> with a battery off the bench and it still doesn't work. OM's REALLY
> like to have fresh batteries installed and often sulk if you try
> partially depleted or cheap, substandard batteries. Andrew Fildes
> afildes@xxxxxxxxxxxxx www.soultheft.com Author/Publisher: The SLR
> Compendium - http://www.blurb.com/books/4628309 or
> http://blur.by/19Hb8or
>
>
>
> On 29/09/2013, at 12:03 AM, Iwert Bernakiewicz wrote:
>
>> the om-3 suffers from battery drain, also the fancy flash options
>> are missing.
>
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