[Elecraft] K2 - CAT

[Fred Jensen]

The RS-232 CAT for my K2 has always worked well.  Getting ready for the 
OK RTTY, I find that it keeps giving weird frequencies, none of which 
are right.  It seems to do it about once a second.


I'm running WriteLog, the rig is set to K2, and the baud rate to AUTO, 
which has always worked.  Anyone got any ideas?  If I can get this 
fixed, I think I'll just leave the K2 set on RTTY ... this happens every 
time I try to get it working with the laptop again.


I have 2 USB adapters, both Prolific bridges, one from Elecraft and one 
from RS.  The RS one has worked in the past.


Open to any ideas.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 2009 Cal QSO Party  3-4 Oct 2009
- www.cqp.org
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[Elecraft] K2 CAT

[jerry]

Hello K2 experts!

   I have a question about the CAT support - as implemented in the 
KPA100.  Is there a CAT command

to set transmit power?

   The situation is - the K2 is my main CW machine.  It has two killer 
features:  1) It has true quiet
diode-switched QSK.  and 2)  It fits perfectly under my two big computer 
monitors.  So I can log & mill-copy.  And also listen to the bands while 
I do work stuff.


   You'd think that 100W was plenty for CW - but I have gotten some weak 
reports from stations that I could hear well.  As a ragchewer, I prefer 
to be easily copy-able.  I have a homebrew 1100W LDMOS linear, but I 
could not use it with the K2 - because the linear has no bandswitch.  
Instead, it relies on Yaesu "BCD" data from the radio.  I wound up with 
this for two reasons - 1) Safety of the very expensive LDMOS device and 
2) the touch screen that I have has a problem where touch does not work.


   So I built a little box.  I reverse engineered the Auxbus just enough 
to recognize band changes, and my box outputs the 4 "BCD" bits.  Yeah I 
know that Elecraft markets a similar box, but where's the fun in that?  
My box has a Raspberry pi Pico.


  Generally, operating barefoot I use 80-100W.  But the linear would 
prefer that its drive be 17W or so.
It's completely protected; if the drive is too high, it will just shut 
down.  Then I have to press a button on the front panel to transmit 
again.


I was just thinking... if the CAT interface can set the power, I could 
have my little box do that.  The Pico has a couple of UARTs, and one of 
them could talk to the RS232 port.  So when I set my linear from
Standby to Operate, it could tell the box, and the box could magically 
set the power on the K2 to what's appropriate.


 - Jerry, KF6VB
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[Elecraft] K2 CAT Control

[Don Rasmussen]

Just a reminder of this CAT program for K2. 

http://www.zerobeat.net/mediawiki/index.php/Procat_Cool_for_Windows
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[Elecraft] K2 CAT commands

[Charles Greene]

Hi,

I need a list of K2 CAT commands including the commands that represent the 
pressing of a key on the K2.  I can't find it on the Elecraft site but I 
know it exists somewhere.  Can someone give me a lead to where it is?


TNX,

Chas, W1CG 



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Re: [Elecraft] K2 CAT

[Ingo Meyer DK3RED]

Hello Jerry,



Hello K2 experts!


I'm not an expert, but the "Elecraft KIO2 Programmer's Reference" at



says at page 5:

PC (Power Output Level; GET/SET)

Extended SET format: PCnnn; where nnn is 000-150 in 0.1-watt units without the PA, 000-150 
watts with.


Hope this helps.


73/72 de Ingo, DK3RED - Don't forget: the fun is the power!
www.qrp4fun.de - dk3...@qrp4fun.de
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[Elecraft] K2 CAT Command Question

[Tom KG3V]

I am trying to change the "INP" Menu setting on a remotely-operated K2. It is
currently in the Paddle-reverse mode, and I need to change it to HAND.
Looking at the K2 Programmer's Reference Manual, It looks like I can send
"SW41;UP;" or "SW41;SW01;" to do this. When I send these commands using Han
Radio Deluxe, I get an [error] returned and the value does not change.

Can anyone see a mistake in my commands? Probably missing something obvious.

73,

Tom, KG3V


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Re: [Elecraft] K2 CAT commands

[Wolf-Ruediger Juergens]

> I need a list of K2 CAT commands including the commands that
> represent the pressing of a key on the K2.  I can't find it on the
> Elecraft site but I know it exists somewhere.  Can someone give me a
> lead to where it is?

Hi Chas,
Did you look for this manual?
 http://www.elecraft.com/manual/KIO2 Pgmrs Ref rev E.pdf

73 Wolf, DL2WRJ
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[Elecraft] K2: CAT PTT and CW

[Julian, G4ILO]

Jim Dunstan wrote:
> 
> Is it possible to send a PTT and,or the  CW keying commands to the K2 via 
> the RS232 port if the K2 has the KIO2 module installed . using
> software 
> such as MixW.
> 
> 
Most software that supports CAT control can use it for PTT control so you
don't need a switching transistor driven by RTS or DTR to control hardware
PTT.

CW keying by CAT on the K2 and K3 uses a protocol that is unique to Elecraft
which is not supported by any software apart from the K3 utility and KComm.
A similar protocol is available on some Kenwood rigs but because it does not
provide a way to test if the buffer is full or to abort sending in
mid-transmission it is not really usable and is not supported by any
programs including MixW. Some programs that support sending CAT commands in
macros can be made to send CW via RS232 by programming the CAT commands like
"KY CQ TEST DE ;" into macros, but the text must not exceed 24
characters, the buffer length. I'm not sure if you can do that in MixW as I
no longer use it.

To send CW using MixW you need a transistor switch driven by RTS or DTR
connected to the K2 Key jack (which must be set to straight key not paddle).
I think MixW also supports Winkey keying which is more reliable.

-
Julian, G4ILO. K2 #392  K3 #222.
* G4ILO's Shack - http://www.g4ilo.com
* KComm - http://www.g4ilo.com/kcomm.html
* KTune - http://www.g4ilo.com/ktune.html

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Re: [Elecraft] K2 CAT Command Question

[Don Wilhelm]

Tom,

It may be an HRD problem or a problem with a USB to serial adapter. What 
happens if you issue the command with K3 Utility terminal page.  That 
will tell you whether to look toward the K3 for the solution or toward HRD.

Are you running HRD through LP-Bridge?   If so, that is another possible 
block.  90% of the K3 commands work through LP-Bridge, but not all - 
this may be one of them (I really don't know, I am just guessing).

73,
Don W3FPR

lOn 7/3/2012 10:44 PM, Tom KG3V wrote:
> I am trying to change the "INP" Menu setting on a remotely-operated K2. It is
> currently in the Paddle-reverse mode, and I need to change it to HAND.
> Looking at the K2 Programmer's Reference Manual, It looks like I can send
> "SW41;UP;" or "SW41;SW01;" to do this. When I send these commands using Han
> Radio Deluxe, I get an [error] returned and the value does not change.
>
> Can anyone see a mistake in my commands? Probably missing something obvious.
>

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Re: [Elecraft] K2 CAT Command Question

[Tom Z]

Don,

This is a K2, not a K3. Can I use the K3 terminal utility you mentioned? I
am using TeamViewer to remotely access the rig, running HRD with an
FTDI-based USB/serial interface to the K2.

Unfortunately, I can not get physical access to the rig right now. I am
able to send other commands, such as Get Frequency (FA;). I was hoping my
syntax was wrong or I had the wrong code to change this value. If it is a
link problem, no CW for me for now.

73,

Tom
KG3V


On Tue, Jul 3, 2012 at 11:03 PM, Don Wilhelm  wrote:

> Tom,
>
> It may be an HRD problem or a problem with a USB to serial adapter. What
> happens if you issue the command with K3 Utility terminal page.  That will
> tell you whether to look toward the K3 for the solution or toward HRD.
>
> Are you running HRD through LP-Bridge?   If so, that is another possible
> block.  90% of the K3 commands work through LP-Bridge, but not all - this
> may be one of them (I really don't know, I am just guessing).
>
> 73,
> Don W3FPR
>
> lOn 7/3/2012 10:44 PM, Tom KG3V wrote:
>
>> I am trying to change the "INP" Menu setting on a remotely-operated K2.
>> It is
>> currently in the Paddle-reverse mode, and I need to change it to HAND.
>> Looking at the K2 Programmer's Reference Manual, It looks like I can send
>> "SW41;UP;" or "SW41;SW01;" to do this. When I send these commands using
>> Han
>> Radio Deluxe, I get an [error] returned and the value does not change.
>>
>> Can anyone see a mistake in my commands? Probably missing something
>> obvious.
>>
>>
>
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Re: [Elecraft] K2 CAT Command Question

[Don Wilhelm]

Tom,

Sorry about the rig type error.  I have not tried accessing the K2 with 
K3 Utility, but I do not think it will work.
I would suggest using a terminal application rather than HRD. for those 
menu changes.  Slowing the rate at which HRD polls the radio would be a 
good thing - HRD really pounds the radio hard with polling commands, so 
get it out of the way and use something else to manipulate the menus.

73,
Don W3FPR

On 7/4/2012 7:52 AM, Tom Z wrote:
> Don,
>
> This is a K2, not a K3. Can I use the K3 terminal utility you mentioned? I
> am using TeamViewer to remotely access the rig, running HRD with an
> FTDI-based USB/serial interface to the K2.
>
> Unfortunately, I can not get physical access to the rig right now. I am
> able to send other commands, such as Get Frequency (FA;). I was hoping my
> syntax was wrong or I had the wrong code to change this value. If it is a
> link problem, no CW for me for now.
>
> 73,
>
> Tom
> KG3V
>
>
> On Tue, Jul 3, 2012 at 11:03 PM, Don Wilhelm  wrote:
>
>> Tom,
>>
>> It may be an HRD problem or a problem with a USB to serial adapter. What
>> happens if you issue the command with K3 Utility terminal page.  That will
>> tell you whether to look toward the K3 for the solution or toward HRD.
>>
>> Are you running HRD through LP-Bridge?   If so, that is another possible
>> block.  90% of the K3 commands work through LP-Bridge, but not all - this
>> may be one of them (I really don't know, I am just guessing).
>>
>> 73,
>> Don W3FPR
>>
>> lOn 7/3/2012 10:44 PM, Tom KG3V wrote:
>>
>>> I am trying to change the "INP" Menu setting on a remotely-operated K2.
>>> It is
>>> currently in the Paddle-reverse mode, and I need to change it to HAND.
>>> Looking at the K2 Programmer's Reference Manual, It looks like I can send
>>> "SW41;UP;" or "SW41;SW01;" to do this. When I send these commands using
>>> Han
>>> Radio Deluxe, I get an [error] returned and the value does not change.
>>>
>>> Can anyone see a mistake in my commands? Probably missing something
>>> obvious.
>>>
>>>
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[Elecraft] K2: CAT Control Not Working

[Jon Perelstein]

I have a K2/100 and KAT100, and do remote control using the RS-232 port
using a cable I made over a year as per the instructions in the KAT100
manual.  The remote control has been working successfully since June of 2010
(frequency, mode, power, filter, tune, split, and a couple of other things).

I didn't use the rig for about a week and when I did I found that the remote
control is no longer working.  No change in computer.  No change in
software.  No change in radio.  No change in cable.  The shack did get very
hot during that week when we had an especially bad heatwave here in the
Northeast (yeah, yeah, I know, nothing compared with what you folks are
dealing with in the South and Midwest).

I've checked the individual wire runs in the cable with an ohmmeter and
cannot find any problems with it.  The KAT100 is working properly and K2/100
itself seems to be working properly (at any rate, I've had some good QSOs
with it).  I've tried the remote control with the KAT100 disconnected, but
no joy.

I tried the Serial Interface Test described on page 61 of the KPA100 manual.
 The test message from the K2 to the computer ('FA0001402') came through
just fine.  However, the message from the computer to the K2 did not get a
response ('SW01;').   I tried it with different computers (Vista, XP) and
with different serial-to-usb adapters, but get the same results each time.

Can anyone suggest a next step?

Thanks,

Jon
WB2RYV (ex-KB1QBZ)
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Re: [Elecraft] K2: CAT Control Not Working

[TI2/NA7U]

This thread seemed to peter out just when it was getting interesting! 

I suddenly have the same problem. CAT was working fine yesterday, today it
is not. I checked the path program->serial cable->rig with my TT516 and that
still works fine. I did the p61 test in the KPA100 manual and receive the
test message just fine, but it looks like nothing is getting through from PC
to K2.

What are those next steps?

73,

Casey, TI2/NA7U

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Re: [Elecraft] K2: CAT Control Not Working

[Don Wilhelm]

Jon,

How did you try to do the remote control with the KPA100?  Unless you 
had a KIO2 to install, there is no AUX IO port on the base K2.

Do you have an oscilloscope?  If not, do you have a source of -9 to -12 
volts and a DMM?  A 9 volt battery and some clip leads will do the job.

Tell me what you have and I can tell you how to set it up to test the 
RS-232 to TTL conversion IC.  The fact that it works from the K2 to the 
computer is helpful and eliminates half the testing.

73,
Don W3FPR

On 8/1/2011 12:29 PM, Jon Perelstein wrote:
> I have a K2/100 and KAT100, and do remote control using the RS-232 port
> using a cable I made over a year as per the instructions in the KAT100
> manual.  The remote control has been working successfully since June of 2010
> (frequency, mode, power, filter, tune, split, and a couple of other things).
>
>
> I've checked the individual wire runs in the cable with an ohmmeter and
> cannot find any problems with it.  The KAT100 is working properly and K2/100
> itself seems to be working properly (at any rate, I've had some good QSOs
> with it).  I've tried the remote control with the KAT100 disconnected, but
> no joy.
>
>
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Re: [Elecraft] K2: CAT Control Not Working

[Don Wilhelm]

Sorry,  I meant that to be "without the KPA100"

On 8/1/2011 2:25 PM, Don Wilhelm wrote:
> Jon,
>
> How did you try to do the remote control with the KPA100?  Unless you
> had a KIO2 to install, there is no AUX IO port on the base K2.
>
> Do you have an oscilloscope?  If not, do you have a source of -9 to -12
> volts and a DMM?  A 9 volt battery and some clip leads will do the job.
>
> Tell me what you have and I can tell you how to set it up to test the
> RS-232 to TTL conversion IC.  The fact that it works from the K2 to the
> computer is helpful and eliminates half the testing.
>
> 73,
> Don W3FPR
>
> On 8/1/2011 12:29 PM, Jon Perelstein wrote:
>> I have a K2/100 and KAT100, and do remote control using the RS-232 port
>> using a cable I made over a year as per the instructions in the KAT100
>> manual.  The remote control has been working successfully since June of 2010
>> (frequency, mode, power, filter, tune, split, and a couple of other things).
>>
>>
>> I've checked the individual wire runs in the cable with an ohmmeter and
>> cannot find any problems with it.  The KAT100 is working properly and K2/100
>> itself seems to be working properly (at any rate, I've had some good QSOs
>> with it).  I've tried the remote control with the KAT100 disconnected, but
>> no joy.
>>
>>
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[Elecraft] K2: CAT control of K2/100 with HRD

[Stephen Victor]

Hi
My K2/100 has been functioning well, and I am now trying for the first time to 
use the connection on the 100W amplifier unit for CAT control with Ham Radio 
Deluxe.   The K2 is serial number 6679, so apparently no modifications are 
needed.  The side-tone works.  I fashioned the cable as per instructions (and 
there is continuity where there should be), turned on the "port" function on 
the 
K2, set the baud rate on HRD to 48,000.   However, the HRD is unable to read 
the 
frequency. 

Am I missing something obvious?  Is some driver needed, or some further 
modification to the K2 or amplifier circuitry?

Thanks and 73
Steve WA2DTW
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Re: [Elecraft] K2: CAT control of K2/100 with HRD

[Stephen Victor]

Hi Ken
I'm sorry.  I meant 4800.  And the HRD does match.  
Also- am using Windows XP, with a computer that successfully used HRD with a 
different radio.
But this time I installed the newest build of HRD.
Thanks and 73
Steve WA2DTW





From: Ken Wagner K3IU 
To: Stephen Victor 
Sent: Mon, April 18, 2011 12:47:56 PM
Subject: Re: [Elecraft] K2: CAT control of K2/100 with HRD

Hi Steve:
I think you have the baud rate wrong. The K2 is 4800, (not 48,000) if I 
remember 
correctly, and HRD must match.
73,
Ken K3IU  K2 #5413


On 4/18/2011 12:14 PM, Stephen Victor wrote: 
Hi My K2/100 has been functioning well, and I am now trying for the first time 
to  use the connection on the 100W amplifier unit for CAT control with Ham 
Radio  
Deluxe.   The K2 is serial number 6679, so apparently no modifications are  
needed.  The side-tone works.  I fashioned the cable as per instructions (and  
there is continuity where there should be), turned on the "port" function on 
the  
K2, set the baud rate on HRD to 48,000.   However, the HRD is unable to read 
the  
frequency.   Am I missing something obvious?  Is some driver needed, or some 
further  modification to the K2 or amplifier circuitry?  Thanks and 73 Steve 
WA2DTW __ Elecraft 
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Re: [Elecraft] K2: CAT control of K2/100 with HRD

[Jay]

Stephen,

I am running HRD version 5.0, build 2837 with my K2/100.  The KPA100 is mounted
in the K2 case and, like you, I am also running Win XP.

I did not have to make any changes to the serial cable (used with K2/10 & KIO2)
or add any drivers to XP.  Quite simply, I unhooked the K2/10, added the KPA100
to the K2, and reconnected the serial cable.  It all magically worked.

Hope this helps.

Regards,
Jay
AJ4AY
Mobile, AL 


> 
> 
> Hi
> My K2/100 has been functioning well, and I am now trying for the first time to
> use the connection on the 100W amplifier unit for CAT control with Ham Radio
> Deluxe.   The K2 is serial number 6679, so apparently no modifications are
> needed.  The side-tone works.  I fashioned the cable as per instructions (and
> there is continuity where there should be), turned on the "port" function on
> the
> K2, set the baud rate on HRD to 48,000.   However, the HRD is unable to read
> the
> frequency.
> 

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Re: [Elecraft] K2: CAT control of K2/100 with HRD

[Don Wilhelm]

  Steve,

It seems you have done everything right, and have a hardware failure on 
your hands.

Since you have not used the RS-232 port before - it is possible that it 
did not work when the KPA100 was first built.

The first thing to check is continuity for RFC6, RFC7, and RFC8 on the 
KPA100 board (near the DE-9 connector).  It is also possible that U4 on 
the KPA100 board has been damaged.

Yes, all the modifications for the serial port are included on any K2 
control board SN 3000 and above.  If you have a wire on Control Board P4 
pin 1, that indicates that the wiring change was incorrectly applied to 
your Control Board, and should be backed off - in that case you will 
have to find what trace was really cut (it was not the trace going to 
pin 25) and repair that cut with a point to point wire.

73,
Don W3FPR

On 4/18/2011 12:14 PM, Stephen Victor wrote:
>
> Hi
> My K2/100 has been functioning well, and I am now trying for the first time to
> use the connection on the 100W amplifier unit for CAT control with Ham Radio
> Deluxe.   The K2 is serial number 6679, so apparently no modifications are
> needed.  The side-tone works.  I fashioned the cable as per instructions (and
> there is continuity where there should be), turned on the "port" function on 
> the
> K2, set the baud rate on HRD to 48,000.   However, the HRD is unable to read 
> the
> frequency.
>
> Am I missing something obvious?  Is some driver needed, or some further
> modification to the K2 or amplifier circuitry?
>
> Thanks and 73
> Steve WA2DTW
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