MCU LD

[Eric-232]

   OK,
   I  tried  to  load  new  firmware  to the K3, not using the USB-serial
   cable, but thru the micro keyer interface which is normally connected
   to  the  K3.  At first my PC 'sees' the K3 but during upload something
   went  wrong  and  now  I have a K3 displaying MCU LD and a blinking TX
   LED.
   Anyone has a lead here?
   vy 73 Eric PA3CEV
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[Dick Dievendorff]

Don't attempt to load firmware into your K3 through a microHAM device.  Use
a USB to Serial Adapter or RS-232 cable that sends exactly what is sent by
the K3 Utility.

Some users have sometimes succeeded by changing the microHAM Router to a
radio type "none" before loading K3 firmware, but sometimes (depending on
the microHAM router version) that doesn't work either.


Dick, K6KR


-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Eric
Sent: Tuesday, September 23, 2008 1:12 PM
To: [hidden email]
Subject: [Elecraft] MCU LD


   OK,
   I  tried  to  load  new  firmware  to the K3, not using the USB-serial
   cable, but thru the micro keyer interface which is normally connected
   to  the  K3.  At first my PC 'sees' the K3 but during upload something
   went  wrong  and  now  I have a K3 displaying MCU LD and a blinking TX
   LED.
   Anyone has a lead here?
   vy 73 Eric PA3CEV
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[Joe Subich, W4TV-3]

>From the microKEYER Manual:

   >  If your radio includes upgradeable firmware,
   > DO NOT perform any upgrade through microKEYER.

That said, with any microHAM interface you must set the radio
type to "None" (Ports | CAT | Set), check the "Disable router
queries" box, check both "Forward autoinformation to CAT port"
boxes, and set the 2nd CAT port to "None" before attempting
an firmware update.  

After all of that you still need to keep a "real" serial port
or a generic USB to RS-232 adapter for emergencies.  
 

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Eric
> Sent: Tuesday, September 23, 2008 4:12 PM
> To: [hidden email]
> Subject: [Elecraft] MCU LD
>
>
>
>    OK,
>    I  tried  to  load  new  firmware  to the K3, not using
> the USB-serial
>    cable, but thru the micro keyer interface which is
> normally connected
>    to  the  K3.  At first my PC 'sees' the K3 but during
> upload something
>    went  wrong  and  now  I have a K3 displaying MCU LD and a
> blinking TX
>    LED.
>    Anyone has a lead here?
>    vy 73 Eric PA3CEV

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[Greg - AB7R]

You need to set the radio selection in Router to none and I also turned off polling
just in case.

Do that and then upload the firmware again with the utility.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065


On Tue Sep 23 13:12 , Eric  sent:

>
>   OK,
>   I  tried  to  load  new  firmware  to the K3, not using the USB-serial
>   cable, but thru the micro keyer interface which is normally connected
>   to  the  K3.  At first my PC 'sees' the K3 but during upload something
>   went  wrong  and  now  I have a K3 displaying MCU LD and a blinking TX
>   LED.
>   Anyone has a lead here?
>   vy 73 Eric PA3CEV
>_______________________________________________
>Elecraft mailing list
>Post to: [hidden email]
>You must be a subscriber to post to the list.
>Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft   
>
>Help: http://mailman.qth.net/subscribers.htm
>Elecraft web page: http://www.elecraft.com

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[Eric-232]

I liked the new banner option and new calibration of TX method a lot,
did not notice problems after installation but now I find I can't get
to CONFIG on the K3. Tapping "menu" only gives me the MAIN options,
even that behaves a bit erratic.

Also no communication  with K3 utility. K3 tells me I do not have a
ATU, KXV3 and what not.

Suggestions?


Tnx, vy 73 Eric PA3CEV




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[Eric-232]

At 11:03 1-2-2009, Ken K3IU wrote:

>G'morning Eric:
>
>"Tapping" the MENU button should put you in the MAIN menu.
>"Press/Hold" the MENU button should access on the CONFIG menu.
>
>No suggestions about the remaining problems.
>
>Good Luck!
>
>73,
>Ken K3IU
>K3 #202

Holding the button doesn't work.....




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[Eric-232]

Eric I wonder if you have a serial/usb-serial link from your K3 to a 
computer? If you have may I suggest the following:- 

1. Make sure you have the latest version of the K3 Utility program.
2. Make sure you have the latest release of the K3 Firmware.
3. Save your present K3 Configuration to the computer. If that works,
then 
switch on your K3 while holding in the "Norm" control until you
see "init" 
on the display.
4. Now press and hold the Menu button until you see the
"CONFIG:---" on the 
display. If that works then there may have been some corruption in you 
config settings. Try then to save back to the K3 your saved
configuration. 
If having done that and holding the menu button no longer gets you into
the 
cnfiguration menu, you will have to reset the K3 as above and manually 
re-configure all of your settings.
5. If the reset doesn't work then keeping the K3 attached to the
computer, 
press and hold the power button for approx 10 secs. You should then see
on 
the bottom left of the display "MCU LOAD". Run the K3 utiliy
program to 
download the latest firmware into the K3. That should fix the problem. 

I do hope that helps. Sorry it's such a long winded explanation. 

73's Jennifer EI7GCB 

1: I do
2: I had 2.78 which worked fine displaying some vanity banner on startup and wanted to upgrade to 2.8
3: After installing 2.78 a few weeks ago I did
4: Pressing, tapping, holding, nothing can persuade my K3 to go in config mode, tried initializing again holding shift/lo/norm together with power on to no avail.
5: K3 goes to MCU load mode, but utility still can't communicate

Since I normally use this Prolific USB->serial thingy which caused some problems in the past I even made a RS232 cable to hard-wire K3 and PC.
Even this doesn't work, so I'm starting to think there's more to it then i had hoped for.....


Thanks

Eric PA3CEV


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[Eric-232]

Eric I wonder if you have a serial/usb-serial link from your K3 to a
computer? If you have may I suggest the following:-

1. Make sure you have the latest version of the K3 Utility program.
2. Make sure you have the latest release of the K3 Firmware.
3. Save your present K3 Configuration to the computer. If that works, then
switch on your K3 while holding in the "Norm" control until you see "init"
on the display.
4. Now press and hold the Menu button until you see the "CONFIG:---" on the
display. If that works then there may have been some corruption in you
config settings. Try then to save back to the K3 your saved configuration.
If having done that and holding the menu button no longer gets you into the
cnfiguration menu, you will have to reset the K3 as above and manually
re-configure all of your settings.
5. If the reset doesn't work then keeping the K3 attached to the computer,
press and hold the power button for approx 10 secs. You should then see on
the bottom left of the display "MCU LOAD". Run the K3 utiliy program to
download the latest firmware into the K3. That should fix the problem.

I do hope that helps. Sorry it's such a long winded explanation.

73's Jennifer EI7GCB


1: I do
2: I had 2.78 which worked fine displaying some vanity banner on
startup and wanted to upgrade to 2.8
3: After installing 2.78 a few weeks ago I did
4: Pressing, tapping, holding, nothing can persuade my K3 to go in
config mode, tried initializing again holding shift/lo/norm together
with power on to no avail.
5: K3 goes to MCU load mode, but utility still can't communicate

Since I normally use this Prolific USB->serial thingy which caused
some problems in the past I even made a RS232 cable to hard-wire K3 and PC.
Even this doesn't work, so I'm starting to think there's more to it
then i had hoped for.....


Thanks

Eric PA3CEV


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