[Elecraft] Problems with K3 firmware update

[ky7k]

I did the same. Check thrift stores for a RS-232 switch if you don’t already have one. I picked mine for 25 cents at the local thrift store.
scl

> 
> On 2014-08-14 9:00 PM, Jim N7US wrote:
>> I connected an A/B switchbox to switch the radio between the MKII and a
>> serial port on the computer (or an Edgeport US/serial box).  It has been
>> easy to switch the K3/P3 to the serial port for firmware updates.
>> 
>> 73, Jim N7US
>> 
>> 
>> 
>> -----Original Message-----
>> 
>> Every microHAM Users Manual includes a specific warning *NOT* to upload
>> *any* transceiver firmware via the microHAM device.  The microHAM device
>> constantly polls the transceiver for frequency and mode.  Those polls are
>> not compatible with firmware uploads.
>> 
>> 73,
>> 
>>     ... Joe, W4TV
>> 
>> 
>> On 2014-08-14 7:30 PM, Don Wilhelm wrote:
>>> Kurt,
>>> 
>>> Both Microham and Elecraft warn that one should not attempt firmware
>>> downloads through the MicroHam device.  Other K3Utility functions work
>>> fine through the Microham device.
>>> 
>>> If you have a real serial port on the computer, that is the preferred
>>> connection, otherwise a good USB to serial adapter is the best answer.
>>> The preferred adapter is one using an FTDI chip. Others may work (and
>>> I can also recommend EdgePort).
>>> 
>>> BTW - there are counterfeit FTDI and Prolific USB to serial adapters
>>> on the market.  Both Prolific and FTDI have created new drivers for
>>> Windows
>>> 7 and above that detect those counterfeits and render them unusable -
>>> so steer clear of bargain priced adapters whose instructions tell you
>>> to turn off Windows updates and run their 'special' drivers.
>>> 
>>> The Elecraft KUSB cable uses an authentic FTDI chip.  I have also had
>>> success with a Keyspan adapter that was supplied for testing by a
>> customer.
>>> 
>>> 73,
>>> Don W3FPR
>>> 
>>> On 8/14/2014 7:02 PM, Kurt Wiksten wrote:
>>>> Thanks to everybody for your advice.
>>>> But my problem still not solved, because I am communicating with the
>>>> K3 via my Microkeyer2.
>>>> Reading the K3 Utility Helpfiles shows that it might be a problem
>>>> that my USB to serial connection is via my Microkeyer2 and the
>>>> recommendation is to change the cabling so that the PC is connected
>>>> directly to the K3 and that cable does not fit the K3 RS232 port.
>>>> I suppose I will have to order the KUSB-cable from Elecraft.
>> 
>> 
>> 
>> 
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Steve - KY7K
ky7k at arrl.net
Get OUT and play radio!