On Mon, 23 Feb 2004 11:27:55 -0500 (EST)
Mark Dapoz <md@xxxxxxxxxxxx> wrote:
>
> On Mon, 23 Feb 2004 Jez.Cunningham@xxxxxxxxxx wrote:
>
> > How does the test machinery communicate with the 3ti? (I don't see any
> > data port...)
>
> Under the front left leatherette are three contact points. Shorting one
> of the points to the case puts the circuit in diagnostics mode. From
> there the 3Ti is self calibrating since only the meter needs to be
> calibrated(speeds are mechanically controlled). There are a series of
> steps to go through which involves using a 50mm f1.8 lens along with a
> calibrated light source. The body makes the necessary calculations to
> match the body's photocell and amplifier to the reference light source.
> No special diagnostic tool is needed (quite ingenious if you ask me).
> -mark
>
Holy c*** -- I did not know that "wunderbrick-technology" was to be found
among our beloved OM's. This sounds really really cool ;)
The only tool needed is a "calibrated light source" -- which I assume is
already std. on any repair tech's workbench. Neato!
Thanks, Mark ;)
--thomas
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