> -----Original Message-----
> From: Dave Bradley [mailto:daveb@...]
> Sent: Monday, August 02, 1999 12:04 PM
> To: motm@onelist.com
> Subject: RE: [motm] Hey, look at me, I'm a dumb-ass.
>
>
> From: "Dave Bradley" <daveb@...>
>
> Also, you have to set the meter to read either Volts DC or Volts AC,
> whatever you are trying to look at. Trying to read volts with the
> meter set
> to read resistance won't increase your sanity!
>
> Moe
>
> > -----Original Message-----
> > From: james holloway [mailto:jimh54@...]
> > Sent: Monday, August 02, 1999 10:53 AM
> > To: motm@onelist.com
> > Subject: Re: [motm] Hey, look at me, I'm a dumb-ass.
> >
> >
> > From: "james holloway" <jimh54@...>
> >
> > Generally, when reading voltages you want the black lead attached to
> > "ground". The coax shield braid is a good ground on the MOTM
> > stuff. the red
> > or Positive lead is then used to measure the various voltages you
> > want. Hope
> > this helps.
> > Jim
> >
> >
> > >From: "David Bivins" <david@...>
> > >Reply-To: motm@onelist.com
> > >To: "Motm@Onelist. Com" <motm@onelist.com>
> > >Subject: [motm] Hey, look at me, I'm a dumb-ass.
> > >Date: Mon, 2 Aug 1999 10:13:11 -0400
> > >
> > >From: "David Bivins" <david@...>
> > >
> > >O.k., it's time to admit it. I'm bluffing through this modular-building
> > >thing!
> > >
> > >That's right--Every one of my modules has worked perfectly after
> > I've built
> > >it, and that's because I'm extremely careful and don't do
> anything unless
> > >I'm very sure of what I'm doing.
> > >
> > >But here's the problem. I can't seem to figure out my DVM.
> I've read the
> > >manual, I bought another DVM book at Radio Shack, I've read a couple of
> > >introductory electronics books, but for some reason I can't get my head
> > >around a couple of things.
> > >
> > >For example: I was calibrating my MOTM-110 yesterday, and even
> without my
> > >probes touching anything (quit snickering in the back), I was reading
> > >something like 29 volts. Once I was "hooked in," I put the
> jumper between
> > >+15 and the jack (you know what I mean?), watched the meter, and
> > turned the
> > >trimpot. Nothing. No change.
> > >
> > >I feel like whenever I turn on the voltmeter for anything other than
> > >testing
> > >batteries, I'm in for a rollercoaster ride of frustration. I
> > quit using my
> > >B&K, which was supposedly a good instrument, because I thought
> it must be
> > >broken--I could never get predictable results. Now I have the
> Radio Shack
> > >DVM that Paul designed, and I'm just confused.
> > >
> > >Thanks for the modules, Paul! I had the most amazing groove
> > going yesterday
> > >with the ring mod/vca, sub-octave multiplexer, 420, an EG, an old
> > >Hewlett-Packard function generator, a 606 and a 303 (for the CV
> > out). Wow.
> > >I
> > >have never, ever, ever heard a synthesizer do that. My jaw just dragged
> > >around the floor for an hour.
> > >
> > >Anyway, if anyone has a pearl of wisdom about DVMs, please drop them my
> > >way.
> > >Luckily I don't actually need it as the modules work just fine
> and I was
> > >able to do the alternate (non-DVM) calibration of the 110.
> > >
> > >Take care,
> > >
> > >David Bivins
> > >Creative Strategist & Transistor Rhythmer
> > >Brandscape
> > >New York City
> > >212.285.2600.x103
> > >
> > >
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