[WriteLog] WL/MK2 TX hang-up using MTTY

Mon Dec 8 10:49:45 EST 2014

 > That's how I've always set it (CW PTT = NO)
It's not CW PTT= NO ... it's COMM PTT in the WinKey Ports Set-up.
This has been documented in the configuration examples for all
microHAM interfaces *for years*. Sometimes I wonder if it is
worth the effort to generate and document those configurations.
73,
 ... Joe, W4TV
On 2014年12月08日 12:27 AM, Eric Rosenberg wrote:
> That's how I've always set it (CW PTT = NO)
>> Changing that parameter makes no difference. It just keeps transmitting....
>> Could I have set something incorrectly in the MK2 router?
>> 73,
> Eric W3DQ
>> ---------------------------------------
>> Date: 2014年12月07日 22:23:12 -0500
> From: "Joe Subich, W4TV" <lists at subich.com>
> To: writelog at contesting.com
> Subject: Re: [WriteLog] WL/MK2 TX hang-up using MTTY
>> Make sure Writelog is *not* using "COM PTT" (PTT commands on the serial
> port) as several rigs appear to have a subtle race condition between PTT
> via CAT commands and hardware PTT.
>> My suspicion is that the rigs in question mask changes on the PTT input
> while processing CAT PTT commands but ignore a CAT PTT off if the PTT
> input is asserted ... then when unmasking the PTT input the transition
> has been missed. I've never seen the issue (or heard reports of it)
> in systems where COM PTT (or equivalent software PTT) has been disabled.
>> 73,
>> ... Joe, W4TV
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