[1000mp] MarkV AF output for digital modes

Sun, 24 Feb 2002 10:39:47 -0800

Thanks for the response, Steve. 

So the AF Out connector will combine main and sub on a single channel if
menu 4-8 is set to "Mono"? Are you using the AF Out connector's "tip" or
"ring" as you soundcard input?

In working a pileup, it's best to disable the sub-receiver whenever
you're listening for a response from the DX, or when the DX has come
back to you and you're confirming the QSO. You can do this by stabbing
at the front panel sub-receiver RX button, or via transceiver control
software.

    73,

        Dave, AA6YQ

-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Steve Holton
Sent: Sunday, February 24, 2002 7:49 AM
To: [email protected]
Subject: Re: [1000mp] MarkV AF output for digital modes

I have been doing something like this on my Mk V
I use the AF out to feed my soundcard. By using the "mono" selection I
can 
get both main and sub  input to the soundcard.
At least on MMTTY you can select input as L, R, or Mono.
I also have a DXP38 which is fed from the RTTY connector so it's only 
the  main.
Actually I think there is some advantage to this over having both 
demodulators "seeing" both main and sub, because if someone on the sub
freq 
xmits at the same time the DX is xmiting (this never happens - right 
;>)  !!) you can get garbage printing when he might be coming back to
you!
I was trying to work the V51 on SSB the other day and I 86.9% sure I
worked 
him, but someone was calling on the sub freq I had sent on  and doubled 
part of his exchange to me.....
Someone posted on one of the reflectors the other day a sale at CompUSA
for 
sound cards for $9.99 that are supposedly fine for MMTTY etc. So I
bought 
one with the idea adding a second soundcard  of being able to run two 
copies of MMTTY one with just main and one with just sub as well as the 
dxp38. Haven't tried it yet, a few things are ahead of it....
Hope this helps...
73
Steve N1NB

At 21:54 2/23/2002 -0800, you wrote:
>I'm using pin 2 of the MarkV's RTTY jack to drive both soundcard and
>PK232 inputs. During pileups, I'd like these inputs to see both main
and
>sub-receiver audio. Page 15 of the MarkV manual asserts that one can
>choose one or the other, but not both. Is there a way around this? If
>not, I assume that one must use the AF Out jack, which provides both
>main and sub-receiver audio on separate channels; can I simply connect
>the two channels together, or is a summing network required?
>
>    73,
>
>        Dave, AA6YQ

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