[1000mp] MMtty/rigblaster/mp1000

Wed, 27 Feb 2002 21:54:01 -0600

Hi Paul:

This combination really rocks !!  First off, make a short cable (insulated
shielded single conductor - audio cable at RS) with a 1/8" stereo audio plug
on one end and the 4 pin RTTY plug on the other.  Solder the 1/8" plug with
the tip and shield, leaving the ring alone.  On the other end solder pins 1
and 4 leaving 2 and 3 alone ( check the manual - I forget which one is
ground and the other FSK keying).  Next crack open the Rigblaster Plus (it
is a plus isn't it ...?) and move the DTR jumper to TxD keying.  The
software has a particular area to choose the interface - choose
soundcard+TxD ... Now you simply have to hit the RTTY button so you can use
those nice filters, and transmit.  First run the test in the MMtty software
to check direst FSK continuity.  It works great !  If something is wrong
with the direct FSK hookup, and you try to transmit using RTTY (instead of
AFSK), your ALC will be off scale !!  A sure sign something ain't right !!

Cheers !

Jamie
WB4YDL

> From: Paul & Tracy <[email protected]>
> Reply-To: [email protected]
> Date: Wed, 27 Feb 2002 12:11:11 +1100
> To: [email protected]
> Subject: [1000mp] MMtty/rigblaster/mp1000
> 
> Hello MP Gurus,
> 
> In the process of  getting a modest station back together after a near 2
> year absence from radio.
> 
> Have downloaded MMTTY and I am trying to get it operational in conjunction
> with my rigblaster, MP1000 and Windows 98.
> 
> MMTTY is receiving rtty ok but on TX I am not getting automatic keying of
> the rig. MP1000 vox is set up ok and I have tried with the rigblaster set
> to both vox (as recommended) and auto. If I press mox
> the rtty is transmittted ok but this is obviously not as convenient as
> automatic keying. I am sure I had this working before packing up my
> equipment some time ago but just can't figure it out now. Would appreciate
> if someone using this exact set-up can give me a full rundown on how they
> have done it. (Tx connection is stereocable from computer speaker out to
> rigblaster audio in).
> 
> Hope to see you all on air soon - albeit with a much reduced signal as
> compared to the vk3ajj antenna farm of some years ago.
> 
> Paul (vk3ajj)    
> 
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