[QuadList] Computer Generated AVR-1 model corrections

Guy Spiller quadruplex at verizon.net
Thu Jul 30 15:55:58 CDT 2009


We had a Tektronix color monitor in the one we had at the tv station in 
probably '73 or so.  I am not sure that we bought that machine new 
though or not, so it might not have been "stock".
Guy

Don Norwood wrote:
> Hi Dave:
>  
> Though I suspect few were sold that way, at least by '71 (per the 
> price book) a Tek color monitor was an option for the machine and the 
> demod outputs of that monitor also provided a vector display for the 
> X-Y scope.  So if he wanted to keep the color display, the "frame" 
> could be changed from the Conrac to a Tek monitor.
>  
> Don
>  
>
>     ----- Original Message -----
>     *From:* Dave Sieg <mailto:dave at zfx.com>
>
>     I've got a good accurate color bar waveform image to send Don, but
>     I'd like input from the group as to what the other scope should
>     display.  I recall seeing the RF level waveform most frequently
>     left selected in most facilities.  Does anybody have a good
>     waveform image of that they'd like to send me?
>     The monitor, of course was monochrome.  Some facilities kept the
>     display with H and V delay so they saw the H and V syncs
>     displayed, most usually just had it on line out.  Again,
>     suggestions (or images) welcome.  
>
>     Don said the exercise was to model a complex object with the
>     minimum number of polygons, which is why circles are hexagons
>     (capstan, knobs, etc)  That could be increased for accuracy, but
>     making them have enough points to look perfectly round would
>     probably increase the number of polygons needed to render the
>     whole machine by an order of magnitude.
>
>     I think it would be interesting if we helped Don get this model to
>     be accurate - you never know there may end up being an AVR-1 in
>     the next big videogame or feature film!
>
>     Any images you might have or could easily make of what you'd like
>     to see displayed, as well as appearance details that were
>     incorrect on his model would be greatly appreciated.
>
>     Obviously, Don has other things to do, but the scope and monitor
>     maps would be easily fixed.
>     The rest as his time permits.
>     Thanks!
>
>     Dave
>
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-- 
Guy Spiller
email: quadruplex at verizon.net
phone: (804) 379-2050
website: www.GuySpiller.com
Midlothian, VA





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