> This may cause some PC programs to go into brainlock 
> if K31 responses are not what's expected.  

I doubt that any program would go into brainlock if the 
K3 extended responses were enabled.  The changes are small 
(DS; FW; and IF;) and except for FW: simply represent 
additional data if the extended responses are enabled. 

The additional data in the IF response should not matter 
to software that does not make use of it.  

73, 

   ... Joe, W4TV 
 
 


> -----Original Message-----
> From: Matt Zilmer [mailto:mzil...@verizon.net] 
> Sent: Friday, October 02, 2009 11:24 AM
> To: li...@subich.com
> Cc: d...@w3fpr.com; elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3 command mode default k30 k31
> 
> 
> Humble opinion time...
> 
> Having K31 persist across reboots might be a Bad Idea too.  
> It's a mode dependency, meaning more than one state might be 
> possible at start-up time.  This may cause some PC programs 
> to go into brainlock if K31 responses are not what's 
> expected.  Plain K3; is what most of them expect (I think...).
> 
> Imho, Wayne has this right.  There should only be a single 
> start-up state.
> 
> 73,
> matt zilmer
> K3 #24
> 
> On Fri, 02 Oct 2009 11:19:15 -0400, you wrote:
> 
> >
> >Don,
> >
> >> I thought we were talking about a Microham Router command
> >> that does not work at times until the user issues a terminal 
> >> K31 command manually. 
> >
> >No, we are not talking about ANY Router command.  microHAM
> >interfaces (DigiKeyer, microKEYER, microKEYER II and MK2R/MK2R+) 
> >can generate FSK from a PS/2 keyboard attached to the interface 
> >IF the transceiver is in RTTY (FSK) mode.  Unfortunately, the 
> >K3 reports its "Digital" mode as DATA A (AFSK) unless the K3 
> >response set is used.  
> >
> >As I've stated several times, Router does not change the CAT
> >mode (form of the IF response) because it might "break" any 
> >software that requires specific responses to the DS and FW 
> >command.  
> >
> >This is not a matter of Router's programming ... it is a
> >case where 1) the K3 does not report the information needed 
> >and 2) once the user has changed the mode of the K3, that 
> >change does not survive a reboot. 
> >
> >The most logical solution would be to make "K31" persist
> >across reboots and/or make the "d" byte active in the auto- 
> >information (IF) reports. 
> >
> >73,
> >
> >   ... Joe, W4TV
> > 
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: elecraft-boun...@mailman.qth.net
> >> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Don Wilhelm
> >> Sent: Friday, October 02, 2009 7:56 AM
> >> To: elecraft@mailman.qth.net
> >> Subject: Re: [Elecraft] K3 command mode default k30 k31
> >> 
> >> 
> >> Joe,
> >> 
> >> I thought we were talking about a Microham Router command
> >> that does not 
> >> work at times until the user issues a terminal K31 command 
> manually.  
> >> Yes, the user power cycled the K3, but I believe proper 
> >> software should 
> >> recover from that event with no input from the user - that 
> >> usually comes 
> >> under the category of 'error recovery'.
> >> 
> >> For commands that require K31 mode to work as expected,  
> the software
> >> *must* "change the state (mode) of the radio" or assure that 
> >> the K3 is 
> >> already in that state.  I believe it is the responsibility of the 
> >> software to assure that the K31 mode is set on rather than 
> >> depending on 
> >> (assuming) any state of the radio.  That can easily be 
> >> circumvented by 
> >> using a bracketed command string.  See the excerpt from the K3 
> >> Programmer's Reference below.
> >> 
> >> "Meta commands can be sent as often as you wish. You can even
> >> use them 
> >> to bracket one or more selected
> >> commands if you don't want to permanently change the mode. 
> >> For example: 
> >> K31; FW; K30; selects command
> >> mode K31 just for the benefit of the FW command, then 
> returns to mode 
> >> K30. (This allows the FW command to
> >> set/read the bandwidth in 10-Hz units.)"
> >> 
> >> If the K3 does not behave as indicated in the Programmer's 
> Reference,
> >> that is the fault of the K3, but if software is failing to work as 
> >> expected because of a particular state of the radio, then I 
> >> think that 
> >> fault lies with the software.
> >> 
> >> This case may be a moot point in the future, because I see 
> Wayne has
> >> just stated that he will make changes to not require these modal 
> >> commands.  I trust that can be accomplished without 
> creating problems 
> >> for the many bits of software already out there, but that 
> >> remains to be 
> >> seen.
> >> 
> >> This is my last post on this subject.  It is obvious to me
> >> that my view 
> >> of what constitutes proper software is different than that of 
> >> at least 
> >> one programmer.
> >> 
> >> 73,
> >> Don W3FPR
> >> 
> >> Joe Subich, W4TV wrote:
> >> >> I beg to differ.  The K3 does provide the information on
> >> the command
> >> >> state via the 'K2n;' command and the 'K3n;' command.
> >> >>     
> >> >
> >> > Bull.  The K3 does not provide the information in 
> response to the 
> >> > K3n; command.  The K3 changes its CAT response - specifically 
> >> > changes the information reported in the IF (auto 
> information) data 
> >> > and its response to several other commands based on the 
> status of 
> >> > K3n;
> >> >
> >> >   
> >> >
> >> ______________________________________________________________
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