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The Cyndustries List

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Message

Re: Calibrating the Zero

2008-05-17 by lamontanara

Thanks for answers Berni and Cynthia,

Cynthia i will mail you from this mailaccount:
modulardudeldidum1[at]hispeed[dot][ch]
there is some unclarity i better mail direct to you.


Regards
H.C.





--- In The_Cyndustries_List@yahoogroups.com, "Cynthia"
<cynthia.webster@...> wrote:
>
> Howdy!
> 
> Sorry I missed your email, I'm bouncing back and forth
>  a lot lately between a Mac and a Windows machine,
> and in this odd process, I occasionally miss a message
> now and then.
> 
> > Is there no Trimmer to calibrate the Morph ?
> 
> Yes, in the FILES section of this user Yahoo Group:
> The Cyndustries List,   you will find Zeroscillator
> Calibration Procedures listed as a free pdf file.
> 
> http://launch.groups.yahoo.com/group/The_Cyndustries_List/files/
> 
> You Mention "Morph" Calibration specifically, and
> while there is no Morph Calibration per se,
> I suggest that with the Range, Bias, and Thru-Zero
> switches in the up position, you first take the big ZO
> Tuning Knob down to rock bottom and leave it there
>  for 20 minutes before adjusting the low frequency
> symmetry.  This is always the first thing to
> do - because all the other adjustments are based on it.
> 
> Next check your Sawtooth waves for phase error and
>  remove the kink in the sawtooth. If the RIGHT side
> of the module Morph Outputs are acting strange, (but
> the LEFT) are ok, then adjust the QUADRATURE
> Trimpot and play, "pin the top on the mountain".
> 
> Please Note: The Morph Scale (tick marks) shown
> surrounding the pot are iconically
> different than the actual oscilloscope waveforms
> obtained.  (In other words, the front panel legends
> printed around the morph knobs do not show
> exactly where the morphing occurs throughout
> the rotation of the knob).
> 
> The morphing occurs, but not at the points in the
> knobs rotation as shown on the panel...
> We tried and tried to bend the nonlinearity of the
>  morph function to our will in order to
> more closely match the knob graphics, but the
> universe just laughed back at us silly
> humans and told us we were lucky to have such a
>  smooth continuous three wave morph
> function in the first place, so we listened!
> 
> Best Wishes!
> 
> Cynthia
> 
> http://www.cyndustries.com/
>  
> 
> 
> --- In The_Cyndustries_List@yahoogroups.com, "lamontanara"
<c-modular@> wrote:
> >
> > Hello Group, i'm new here.
> > 
> > I need full calibration instructions for my Zero, please.
> > unfortunately i got never an answer from Cynthia.
> > 
> > Is there no Trimmer to calibrate the Morph ?
> > 
> > 
> > thanks,
> > H.C.
> >
>

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