Just to add to my last post I did a Google search on "cameras flash
polarity"
and got quite a few hits siting this problem with some strobes AND a couple
mentions of the Wein devices.
The solution is the same in all cases, reverse the polarity of the flash
cord.

Don

> -----Original Message-----
> From: Don Sanderson [mailto:[EMAIL PROTECTED]
> Sent: Friday, September 02, 2005 5:22 PM
> To: [email protected]
> Subject: RE: Electronics Experts:*ist DS and Flash: A Desperate cry in
> the Wilderness of Ohio
>
>
> OK here's my guess:
> 1.) The Novatron requires that the trigger be a certain polarity.
> 2.) The DS has a circuit that is the other polarity.
> 3.) The KX uses a regular switch contact so polarity is not an issue.
> 4.) The 2850 is either correct polarity for the DS, or it doesn't care.
>
> Solution: Get or make a reverse polarity adapter for the novatron.
> this could be just a Male to Female PC cord cut in half and put back
> together in such a way as to reverse the leads.
>
> Some flash makers have reverse polarity adapters, this is
> probably why! ;-)
>
> Don
>
>
> > -----Original Message-----
> > From: David Weiss [mailto:[EMAIL PROTECTED]
> > Sent: Friday, September 02, 2005 4:06 PM
> > To: P. List
> > Subject: Electronics Experts:*ist DS and Flash: A Desperate cry in the
> > Wilderness of Ohio
> >
> >
> > Hey,
> >
> > Well, I took the advice of several on the list and bought a
> > Wein adapter in hopes of powering some Novatron Lights.  No
> > good.
> >
> > How I tested:
> >
> > 1. Put flash adapter on hotshoe
> > 2. Camera in manual flash mode.
> > 2. connect to Novatron lights via pc connector.
> > 3. Hit shutter at various settings, including manual, AV, TV,
> > nothing from Novatron via pc connector.  Shutter speed 1/60
> > s.
> > 4. Hit test button on adapter - Novatron lights go off!
> > 5. Put Vivitar 2850 on hotshoe of adapter -works fine.
> >
> > Put Wein adapter on KX.  Able to power both Vivitar flash and
> > Novatron lights via pc connector.
> >
> > Read and re-read manual for camera to increase pressure
> > behind eyeballs.
> >
> > Any ideas?  Any custom pre-sets or any other settings?  I am
> > not getting this at all.  It seems to me per No. 4 above that
> > the camera is communicating through the pc connector, that
> > the adapter is mounted properly through No. 5 above, that the
> > connector circuitry is correct via my experiences with KX.
> >
> > What in the world is the deal?
> >
> > Dave
> >
> >
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>

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