[RTTY] Yaesu FT-920 setup - HELP!!

[Terry Dunlap]

Not sure what all the Buxcomm interface controls but I had the same symptoms
with an interface I bought that handled FSK/PTT/CW.  The 3 functions are 
split out
in a small project box with 3 RCA jacks.

My FT-990 would key up but no tones.  After trying everything to diagnose 
the problem,
including sending the rig back to Yaesu it turned out that the CW & FSK 
labels on the
RCA jacks were reversed :(

73 de Terry KK6T


At 12:28 PM 7/13/2004, k0bx at qsl.net wrote:
>Kyle, It seems like you have checked everything.  Here
>is a few things to re-check.
>
>Check MMTTY to see if you are setup correctly.
>1.  From Option menu, select 'setup mmtty'.
>2.  Goto 'TX' tab, goto the PTT Port item.  You have
>to have a comport selected and this comport MUST have
>both the PTT and FSK wired on the same port.  At least
>it must have the FSK port.
>3.  Goto 'MISC' tab.  If you were successful in the TX
>tab of getting the comport, you will then select the
>'COM-TXD' (FSK) item.  If this is greyed out, then you
>did something wrong.  You can also select the item
>above it, the 'Sound plus the CoM-TXD'.  This way you
>can here if the tones are coming in.
>
>I would suggest that you go to the:
>http://www.aa5au.com
>webpage and go to the area that tell on how to setup
>mmtty.  It may help.
>
>I do not know anything about the Yaesu.
>
>Joe K0BX
>
>
>
>--- wa4pgm at kinex.net wrote:
> > So far no luck getting the 920 working in FSK mode.
> > I've checked my
> > Buxcomm interface with a ohm meter and it's showing
> > a short when keyed,
> > when I unkey the short goes away. This leaves me to
> > believe my interface
> > is good. Ed VP9GE has listened to my signal and it's
> > only a carrier with
> > no shift.
> >
> > Switch on back of rig is set for FSK.
> >
> > Rig Menu is setup:
> > Mode - DATA/LSB
> > U42 - Hi2125L
> > U43 - Sft 170
> > U44 - RES
> >
> > I don't find any other menu setting that might help,
> > perhaps I've
> > overlooked it.
> >
> > I tried different Volume/Recording Control settings
> > so perhaps I've
> > screwed something up there? At this point I don't
> > know which way is up
> > anymore. :)))
> >
> > Using MMTTY 1.65
> >
> > Doesn't look good at this point in hopes of
> > operating NAQP, but I'll keep
> > trying.
> >
> > THANKS EVERYONE!
> > 73,
> > Kyle
> >
> >
> > > Kyle,
> > >
> > > 1.  First, be sure that you are, in fact,
> > supplying the FS keying
> > > information
> > > to the 920 before suspecting the rig.  If you have
> > an ohm meter, put it
> > > across the leads that you are connecting to the
> > FSK jack on the 920.
> > > Depending on
> > > what your sending, the meter should either show a
> > short on keying or show
> > > SOME fluctuation.  If you are not getting any
> > indication that the FSK
> > > contacts
> > > are being shorted for the duration of the mark
> > tone, then you will have to
> > > correct that problem -- which would be from the
> > output of your computer or
> > > your
> > > Terminal Unit.
> > >
> > > 2.  If you are getting an indication with a meter
> > that the contacts are
> > > being
> > > supplied with a short when needed, then you need
> > to be sure that you are,
> > > in
> > > fact, able to FSK the 920.  Make a contact on
> > phone.  Tell the other
> > > operator
> > > that you will be sending a carrier and that when
> > you touch a couple of
> > > wires
> > > together, the carrier frequency should shift
> > slightly.  For this test, it
> > > would
> > > be best to set the 920's FSK to USB.  However, the
> > other guy should be
> > > able
> > > to tune around and hear your carrier and detect a
> > shift in it when you
> > > touch
> > > the wires together.   Then, go back to SSB and
> > listen to what he tells
> > > you.
> > >
> > > If you are unable to shift the frequency in this
> > way, that would indicate
> > > that you still do not have the 920 set up
> > correctly, or, it isn't working
> > > right.
> > >
> > > 3.  If you don't have  a small VOM with you, get
> > one at Radio Shack and
> > > put
> > > it in your travel kit.  If you had one with you,
> > you would be able to
> > > easily
> > > solve this problem.
> > >
> > > I'll be interested to see what you find.
> > >
> > > Good Luck!
> > >
> > > Mike
> > > W0YR/4
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>
>
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