[WriteLog] Split RTTY with Flex 6300 and WLFlex Driver

[joeduerbusch]

Thank you Wayne.  I won't upgrade my Flex 6300 until after the RTTY contest
this weekend.
I will let you know if this solves my problem with running RTTY Split.

Joe K0BX


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On Thu, Feb 11, 2016 at 6:59 PM, Wayne, W5XD <w5xd at writelog.com> wrote:

> > But now Flex has come out with a new version of the software V1.6.xx and
> > has changed the way DAX works and WLFlex Driver doesn't work with it.
> With
> > this weekend WPX I do not want to upgrade.  But has anyone gotten this to
> > work?
> "doesn't work with it" is a little too strong a statement. It doesn't
> work the way it did with SmartSDR 1.5. But SmartSDR 1.6 has some
> improvements you probably want to use.
>
> The SmartSDR 1.6.xx from Flex added some capability that probably
> obsoletes the DAX replacement in the WriteLog Flex Drive. I say
> "probably" because I haven't had time to do the detailed performance
> measurements required to check the latency.  But I can tell just by
> looking at the new Flex DAX control panel that they redesigned it such
> that RTTY split mode AFSK should work just fine with the 1.6.xx DAX
> Control panel while WriteLog's DAX replacement is simply turned OFF.
> Here is what I recommend:
>
> 1. In WriteLog, turn OFF its DAX Audio settings. Specifically, right
> click its Front Panel, and turn OFF all 4 settings under RX Audio DAX
> and TX Audio DAX. (This recommendation is opposite of what I recommend
> for SmartSDR V1.5) This turns OFF WriteLog replacement DAX
> feature--which doesn't work with SmartSDR 1.6 anyway.
> 2. Run the SmartSDR version 1.6 DAX Control panel. (This is the opposite
> of what I recommend for SmartSDR version 1.5--in the old version, I
> recommend leaving their DAX Control panel off.)
> 3. In the SmartSDR DAX control panel, turn ON the TX stream, and as many
> of the RX streams as you are going to use.
>
> Notice that with SmartSDR 1.6, the Windows audio device for your AFSK
> output is now named "DAX Audio TX" and it has no channel number now.
>
> When I get around to measuring the latency using the SmartSDR 1.6 DAX
> Control panel, I will decide whether to upgrade the WriteLog Flex driver
> to comply with their v1.6 API and replace their DAX with WL's lower
> latency version. Or (I hope!) instead simply recommend to Flex +
> WriteLog users not to use the WriteLog DAX for RX and TX.
>
> Note that the IQ channel is different! I recommend you leave it ON in
> WriteLog regardless of SmartSDR version, and you'll get your spectrum
> displayed on your Band Maps.
>
> Wayne
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