KIO3B RTTY AFSK problem with Transmit

[Dan-2]

Did RU this past weekend and could not get KIO3B to XMIT-Receive is fine using MMTTY and N1MM. Ended up using my Signal Link for XMIT.
Here is what I know.
NO line in or out connections on back of radio (per earlier email I saw)
Radio control, frequency, etc. work fine-just updated firmware
USB Codec shows as USB Codec 3 on computer. I can see AFSK produced in transmit on MMTTY screen and the silly meter in the sound control window. but no audio reaches radio
DATA Mode is set for AFSK A (like I have always used it for SIgnal Link)
Even if I manually turn XMIT on no audio IN. (I am using VOX and not PTT) Do I need to enable PTT?

I have tried switching MIKE to LINE IN to no avail.

What am I missing? Any help here would be appreciated.
Dan W8CAR
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[Don Wilhelm]

Dan,

It sounds like you are doing things right.
What is the Speaker slider on the computer set to?  Open the playback
controls - normally set it to about 75%.  The "meter" in the computer
soundcard display will not tell you the whole story.  Go to the Playback
Controls to see the slider (Windows - Mac or Linux may be different).

Make sure there is nothing plugged into LINE IN (it overrides the Codec
line in).  You may want to insert a plug into the LINE IN jack and
quickly remove it just to make certain the contacts in the jack close
properly.

You must set the MIC menu entry to LINE.

Set the audio level correctly (you can do that in TX TEST or connected
to a dummy load so you do not transmit RF).  Tell your software
application to "transmit", then adjust the "MIC" gain (actually LINE if
you have set the menu correctly) until you have 4 bars solid with the
5th bar flashing.

If you cannot achieve that audio level by manipulating to Speaker slider
on the computer and the MIC Gain on the K3S, something is awry - contact
K3support for additional assistance.

73,
Don W3FPR

On 1/10/2017 5:16 PM, Dan wrote:

> Did RU this past weekend and could not get KIO3B to XMIT-Receive is fine using MMTTY and N1MM. Ended up using my Signal Link for XMIT.
> Here is what I know.
> NO line in or out connections on back of radio (per earlier email I saw)
> Radio control, frequency, etc. work fine-just updated firmware
> USB Codec shows as USB Codec 3 on computer. I can see AFSK produced in transmit on MMTTY screen and the silly meter in the sound control window. but no audio reaches radio
> DATA Mode is set for AFSK A (like I have always used it for SIgnal Link)
> Even if I manually turn XMIT on no audio IN. (I am using VOX and not PTT) Do I need to enable PTT?
>
> I have tried switching MIKE to LINE IN to no avail.
>

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[Bill Frantz]

Use AFSK A mode for RTTY. DATR A can also be made to work, but
my experience with AFSK A is much better. FSK D does not use the
sound card for transmission.

Make sure your computer is producing enough output drive. On my
Mac I need to go to System Preferences -> Sound and raise the
output volume all the way.

Make sure your application is addressing the correct USB device.
(Don't ask how I know.)

Input from the radio should work but might be low in volume.
Some of us set Config: LIN OUT to about 40.

73 Bill AE6JV

On 1/10/17 at 2:16 PM, [hidden email] (Dan) wrote:

>Did RU this past weekend and could not get KIO3B to
>XMIT-Receive is fine using MMTTY and N1MM. Ended up using my
>Signal Link for XMIT.
>Here is what I know.
>NO line in or out connections on back of radio (per earlier email I saw)
>Radio control, frequency, etc. work fine-just updated firmware
>USB Codec shows as USB Codec 3 on computer. I can see AFSK
>produced in transmit on MMTTY screen and the silly meter in the
>sound control window. but no audio reaches radio
>DATA Mode is set for AFSK A (like I have always used it for SIgnal Link)
>Even if I manually turn XMIT on no audio IN. (I am using VOX and not PTT) Do I need to enable PTT?
>
>I have tried switching MIKE to LINE IN to no avail.

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