[WriteLog] RTTY PPT delay

Joe Subich, W4TV lists at subich.com
Mon Apr 29 22:11:22 EDT 2013 

> I have checked, double checked, triple checked, ad nauseam, and am
> sure the WriteLog PTT command for my IC-7600 is set to NO.

Make sure there is no port set for "Radio Command" in MMTTY.


One other thing to check ... in MMTTY, have you checked
Sound + COM-TxD (FSK) or COM-TxD (FSK)?

In testing some other issues tonight, I discovered PTT tail was
extended noticeably if Sound + COM-TxD (FSK) was selected.

73,

    ... Joe, W4TV


On 4/29/2013 9:23 PM, Gary AL9A wrote:
> Joe,
>
> I have checked, double checked, triple checked, ad nauseam, and am sure
> the WriteLog PTT command for my IC-7600 is set to NO.  The Setup/Ports
> tab in WL is the only place I know to check for this.  If there is
> someplace else I've never found it.
>
> 73,
> Gary AL9A
>
>
> ----- Original Message ----- From: "Joe Subich, W4TV" <lists at subich.com>
> To: <writelog at contesting.com>
> Sent: April 29, 2013 4:15 PM
> Subject: Re: [WriteLog] RTTY PPT delay
>
>
>>
>> Gary,
>>
>> Are you sure you don't have WriteLog also sending PTT commands via
>> CAT?  That is *notorious* for causing PTT problems - late release
>> in particular.
>>
>> It also appears that Writelog may have some issues in correctly timing
>> FSK - both WriteLog Hardware/Software generated FSK and the amount of
>> time taken for MMTTY/XMMT.ocx to send a given message - based on Ed's
>> reports of sent text leading actual transmission by a variable amount
>> of time (although my tests show a constant three to four character
>> lead).
>>
>> Before anything else - make sure that Writelog's Ports Set-up has COM
>> PTT set to *NO*.  With COMM PTT set to no (or with the IC-706mkIIg
>> which does not respond to command PTT), I never see excessive PTT lag
>> with XMMT.ocx.
>>
>> 73,
>>
>>    ... Joe, W4TV
>>
>>
>> On 4/29/2013 5:01 PM, Gary AL9A wrote:
>>> I think the PTT delay culprit has been found!  I had previously checked
>>> my WL Ports setting to make sure the radio PTT was set to Off so there
>>> wouldn't be a conflict between software and hardware PTT.  After reading
>>> through Don's comments I reread Joe W4TV's comments below in reply to my
>>> first query about the PTT delay.  As I was in the middle of two
>>> different contests, the SPDX and the BARTG 75, I didn't give the Joe's
>>> note the thorough reading and thought it deserved.  However, upon
>>> further review...
>>>
>>> Joe refers to XMMT.ocx as "... asserting PTT on Winkey (all mode PTT)"
>>> and ended that I could check it "...by temporarily setting the WriteLog
>>> port to 'None' in Router's Ports tab."  At first I thought Joe was
>>> talking about the FSK port assignment for WL in the router Ports tab,
>>> but then it struck me he may have meant the Winkey port assignment
>>> setting.  So I set my Winkey port, which is normally COM4, to none and
>>> changed the TU type back to XMMT.ocx and reset up the MMTTY settings.
>>> Ta Da - no PTT delay with the Winkey (all mode PTT) port disabled!  Just
>>> to check I reset the Winkey port back to COM4 and when sending with
>>> XMMT.ocx the delay is back.
>>>
>>> So apparently the secret for those of us who use the microHAM router and
>>> Winkey is to disable the Winkey port setting when running the XMMT.ocx
>>> interface.  I will create a new router preset, WriteLog XMMT, which will
>>> feature the Winkey port set to none.  Should I want to revert back to
>>> using the MMTTY plug-in I can just select my normal WriteLog preset and
>>> the Winkey port will again be defined for COM4.
>>>
>>> Thanks to both Don and Joe steering me in the right direction - AGAIN!
>>>
>>> 73,
>>> Gary AL9A
>>>
>>>
>>>
>>> ----- Original Message ----- From: "Don AA5AU" <aa5au at bellsouth.net>
>>> To: "Writelog Reflector" <writelog at contesting.com>
>>> Sent: April 29, 2013 10:06 AM
>>> Subject: Re: [WriteLog] RTTY PPT delay
>>>
>>>
>>> While testing WriteLog on my laptop after installing hardware PTT via
>>> the ACC connector on the back of my TS870, I noticed a delay in PTT. I
>>> found that I had forgotten to disable PTT via radio control after
>>> enabling hardware PTT.
>>>
>>> It's been well documented that using both hardware and software PTT will
>>> cause problems with PTT and delay is one of those problems. I don't know
>>> if this could be the source of your delay, but it should be checked.
>>> Once I disabled PTT via radio control, all worked normally. If you are
>>> connected for hardware PTT, go to the Setup menu in the WriteLog window,
>>> and select Ports. Make sure Comm PTT is set to NO on the port connected
>>> for your radio.
>>>
>>> In the BARTG Sprint 75, I used 2Tone as the main window for both radios
>>> and used hardware generated FSK. Despite the blue characters going out
>>> ahead of what was actually sent, this setup worked very well. I didn't
>>> use my laptop because it doesn't have any legacy COM ports, only a USB
>>> to serial adapter. I have 5 legacy COM ports on this PC. Two were used
>>> for radio control and two were connected to transistor interfaces for
>>> FSK and PTT. There was absolutely no delay in PTT.
>>>
>>> 73, Don AA5AU
>>>
>>>
>>> ----- Original Message ----- From: "Joe Subich, W4TV" <lists at subich.com>
>>> To: <writelog at contesting.com>; "Gary AL9A" <al9a at mtaonline.net>
>>> Sent: April 27, 2013 1:57 PM
>>> Subject: Re: [WriteLog] Fw: RTTY PPT delay
>>>
>>>
>>>>
>>>> I see no difference in PTT lead/tail times with either the SM6SRW
>>>> MMTTY plugin for Writelog or WriteLog's XMMT.ocx support.
>>>>
>>>> What are your WinKey Lead/Lag times in Router?   WriteLog's XMMT.ocx
>>>> support will assert PTT on Winkey (all mode PTT) while MMTTY is
>>>> asserting PTT on DTR of the FSK port.
>>>>
>>>> You can check to see if it is the all mode PTT by temporarily setting
>>>> the WriteLog port to 'None' in Router's Ports tab.
>>>>
>>>> 73,
>>>>
>>>>    ... Joe, W4TV
>>>>
>>>
>>>
>>>
>>>> ________________________________
>>>> From: Keith Goobie <keith at goobie.org>
>>>> To: Gary AL9A <al9a at mtaonline.net>; Writelog Reflector
>>>> <writelog at contesting.com>
>>>> Sent: Monday, April 29, 2013 8:32 AM
>>>> Subject: Re: [WriteLog] RTTY PPT delay
>>>>
>>>>
>>>> Hi All
>>>>
>>>> I played as well in the SPDX RTTY contest (as part of VE3FJB) and I can
>>>> support the observations of Gary regarding PTT delays. It is quite
>>>> noticeable.
>>>>
>>>> I am running writelog 11.11c, both 2Tone & MMTTY through XMMT.ocx,
>>>> and a
>>>> Flex 3000 connected through DDutil. We just upgraded to 11.xx
>>>> version of
>>>> Writelog prior to this contest and we were using this as a shakedown
>>>> contest.
>>>>
>>>> Prior to the changes, we were running a version 10.xx Writelog with the
>>>> MMTTY plugin. No delays in PTT and it was snappy with the Flex / DDUtil
>>>> combo.
>>>>
>>>> Based on this info, I did notice in the contest that some stations I
>>>> communicated with had longer turn around times - quite noticeable -
>>>> and it
>>>> does make one ponder were they using Writelog?
>>>>
>>>> Please view my feedback as constructive.   Writelog is a super great
>>>> program. We are not straying. We did make some 300 contacts in SPDX
>>>> in a
>>>> mostly search and pounce operation.
>>>>
>>>> Keith - VA3YC
>>>> One of the Ops at VE3FJB
>>>>
>>>>
>>>> On 4/27/13 1:23 PM, "Gary AL9A" <al9a at mtaonline.net> wrote:
>>>>
>>>>> I've been struggling to make a few QSOs in the SPDX RTTY contest and
>>>>> band
>>>>> conditions are simply awful. However, it is providing a bit of a test
>>>>> bed for
>>>>> the new XMMT.ocx interface. I've been noticing two things on
>>>>> transmit. One,
>>>>> in the main Rttyrite screen that prints in blue italics text, my macro
>>>>> messages print erratically. Sometimes they print out character by
>>>>> character,
>>>>> as with the MMTTY plug-in, other times the entire macro dumps onto
>>>>> the screen
>>>>> as soon as the F key is pressed, and still other times I see part of
>>>>> the macro
>>>>> print to screen, then a slight pause and then the rest of the macro
>>>>> dumps onto
>>>>> the screen. Both of my clone windows, one with 2Tone the other with
>>>>> MMTTY,
>>>>> print the macros correctly character by character. I don't know
>>>>> what the
>>>>> problem is with the main Rttyrite screen, but it seems to be
>>>>> sending ok
>>>>> despite the weird appearance.
>>>>>
>>>>> On another note, I use the microHAM MKII keyer and router software
>>>>> with my FSK
>>>>> setup. It seems to me by ear that both the PTT lead and tail are
>>>>> longer than
>>>>> what I'm used to hearing with the MMTTY plug-in. The PTT tail seems
>>>>> particularly long and I've tried adjusting that setting on the PTT
>>>>> tab in
>>>>> router to no avail. Is there something in XMMT.ocx that is causing
>>>>> this?
>>>>> Anyone else notice it or just me? I think I will reinstall the MMTTY
>>>>> plug-in
>>>>> and see if that makes a difference.
>>>>>
>>>>> 73,
>>>>> Gary AL9A
>>>>> _______________________________________________
>>>>> WriteLog mailing list
>>>>> WriteLog at contesting.com
>>>>> http://lists.contesting.com/mailman/listinfo/writelog
>>>>> WriteLog on the web: http://www.writelog.com/
>>>>
>>>> --
>>>> keith at goobie.org
>>>> Keith Goobie
>>>> Richmond Hill, ON, CANADA
>>>>
>>>>
>>>> _______________________________________________
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>>>> WriteLog at contesting.com
>>>> http://lists.contesting.com/mailman/listinfo/writelog
>>>> WriteLog on the web: http://www.writelog.com/
>>>>
>>>>
>>>>
>>> _______________________________________________
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>>>
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>>> WriteLog on the web:  http://www.writelog.com/
>>>
>> _______________________________________________
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>> WriteLog on the web:  http://www.writelog.com/
>>
>
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