Thank you for all the help.  The site you mentioned was quite helpful 
and I downloaded a tone generator simulator, was able to plug in the 
tones and it works perfectly.

Thanks
Ian
VA2IR

--- In Repeater-Builder@yahoogroups.com, "Chuck Kelsey" <[EMAIL PROTECTED]> 
wrote:
>
> They may have used a Zetron in later years, but at the time the 
program was 
> made, Zetron wasn't in existence.
> 
> See this and you'll have what you seek:
> 
> http://www.policeinterceptor.com/emerg.htm
> 
> Chuck
> WB2EDV
> 
> 
> 
> ----- Original Message ----- 
> From: "Ian Miller" <[EMAIL PROTECTED]>
> To: <Repeater-Builder@yahoogroups.com>
> Sent: Friday, October 10, 2008 11:52 AM
> Subject: [Repeater-Builder] Zetron SCU controller
> 
> 
> > Hi fellows. This is a little off topic, but lately I have been 
watching
> > and taping the old EMERGENCY! shows on WRTN Buffalo on DISH 
Network.
> > 4PM eastern.
> >
> > From reading on some fan sites, the dispatcher, Sam Lanier, who 
was a
> > real LA County fire dispatcher, used a ZETRON Station control 
unit to
> > send out those tones that were heard in the station, and opened 
the
> > doors.
> >
> > Does anyone have any info on the unit in question that generated 
those
> > tones?  I'd love to find one - just for memorabilia.
> >
> > Thanks again
> > Ian
> > VA2IR
> > VE2RMP VHF/UHF Repeater group
> > Irlp Nodes 2570 and 2006
> >
> >
> > ------------------------------------
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
>


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