[RTTY] MMTTY macro setup question

[David VE3VID]

Thanks guys, that clears things up nicely.  IMHO then thats 2 more macro buttons open for redefining :) cheers...........

 

David


     VE3VID          Located in rural Canada
Solar power.  Wood heat.
Mosley tribander @ 22m
2element delta-quad on 40m
Lots of space for dipoles,
bears and wolves......73



 

> Date: Mon, 12 Oct 2009 14:33:14 -0400
> From: ve3iay at storm.ca
> To: rtty at contesting.com
> Subject: Re: [RTTY] MMTTY macro setup question
> 
> RY is a relic from hardware teleprinter times, as Iain has pointed out. 
> It might be useful for some kinds of spectral purity tests, as it sends 
> the closest possible RTTY approximation to a square wave (successive 
> mark and space bits).
> 
> The EE button in MMTTY is programmed by default with [__~~__~\ . Looking 
> in the Help file for the explanation of these macro codes, you can work 
> out that it was intended to send two short bursts of mark tone in AFSK 
> mode, i.e. to simulate a CW "dit dit" or "E E". On my system the two 
> bursts come out with different lengths, though, which kind of spoils the 
> effect. After some experimenting, [~__~~~__~\ sounds better to me, not 
> that I can imagine ever actually using this on the air.
> 
> The EE button won't work in FSK, so it's only useful, if at all, to AFSK 
> users. Based on some of the questions that I see on various reflectors, 
> I would guess that quite a few RTTY operators don't listen to the audio 
> signal, so they wouldn't hear this anyway. Programming this button to 
> send DIT DIT would likely be a much more effective way to convey the 
> same sentiment.
> 
> 73,
> Rich VE3KI
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