On 18 Jan 2004 at 19:49, Gregg Seidl wrote:
> Please excuse my foolish questions that follow but I heed HELP.I'm trying to
> become active on rtty,because it seems fun and it's something I haven't
> tried yet soooo.I don't really understand what all the buttons do on MMTTY.I
> was able able to receive W1AW's bulletin and it printed fine but that is
> about the only one I could print.Do you use USB for 20 and up and LSB for 40
> and down?I didn't do ANYTHING when it copied W1AW,it just started to copy
> after I got fairly close on the tuning.It seemed to tune it itself.I really
> want to give out a few points in the next couple rtty 'tests but I have a
> lot to learn.I'm open for any tips to help me out. Gregg K9KL
>
>
RTTY is LSB on all bands. Someone else can probably tell you why: I just know
that it always has been.
I don't really understand all the buttons myself... I pretty much just leave
it set to
HAM, SQ on and the slider on the level meter set high enough to eliminate
garbage
characters between transmissions, and BPF pressed.
AFC is Automatic Frequency Control, which allows MMTTY to "slide" up or down to
exactly tune in a station once you are close, but will cause your TX frequency
to
then be off. Sounds like you probably had AFC on. NET automatically matches
your TX frequency to that of the signal you are receiving, but can result in
you and
the other station gradually migrating up or down the band if he has his AFC on.
I
never use either one, preferring to tune by hand using the "twin bananas" scope
or
the peaks on the tuning display (although I can now do it pretty much by ear).
Hope this helps.....
73 de KA3HSW
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