>In article , John Austin <johnaustin@xxxxxxxxxxxx> writes
>>Hi all,
>>
>>I'm considering the purchase of a used OM4. Since the plain OM4 is usually
>>several hundred cheaper than the OM4Ti, I'm going to go that way. I don't
>>need the extra strength of the titanium, and can do without the F280 flash
>>sync. My question concerns the reliability of the original OM4. I understand
>>that if electronic problems occur and a new design circuit board is
>>required, the cost of repair would be more than the camera is worth. How can
>>I tell if a used OM4 I'm considering has already had the new circuit
>>installed?
>
>If your dealer is particularly helpful, he might let you measure the
>drain on the battery with a digital ammeter once it has powered down.
>If it is the original circuit it is likely to be of the order of 10A or
>so - it should be much less than 1A with the new circuit. When you
>first make the circuit with the meter the OM-4 will be fully powered of
>course, with a drain of several hundred A, so you need to wait for it
>to power down.
>
I think you got your electrical terms confused. All the appliances in my
house together do not draw several hundred amperes. Try milliamperes.
Winsor
Winsor Crosby
Long Beach, California
mail to: wincros@xxxxxxxxxxx
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