[Elecraft] RE: KIo2 Trouble

[Meier, Peter H non Unisys]

On Tue, 4 Jun 2002, Pete Meier wrote:

> Just completed the KIo2 and had it working last night using software 
> written by Steve NI5V. I was able to read the K2 settings and change >
them via software.   I'm running a Mac with USB to Serial interface. 
> Today when I tried it I could only send commands to the K2 but could not 
> receive anything back.  I don't think it's the computer, software or 
> cable.   I suspect something in the KIo2.
> 
> Here's what I've checked so far:
> Software (reloaded it)
> USB to serial driver (reloaded it) Mac recognizes the USB Interface and 
> software sees it also(driver working)
> ohmed out the cable
> checked all solder joints on KIo2
> Re-tested but still could only send command to K2 but not receive any 
> back.
> All voltages checked nominal with exception of
> J1-2  0v  (should be -8)
> U1-5 -0.3 (should be -8)
> U1-8 -3 (should be -9)
> D1-A -3 (should be -9)
> D2-A -3 (should be -9)
> 
> Any suggestions?
> 
> Pete
> I have noticed when using K2/Remote to control my K2/100, I sometimes have
> to tell it to connect to the K2 again.  My symptoms are similar to
> yours:  I can change the freq on the K2, change modes, change bands,
> etc.  When I reach over and turn the VFO on the K2 by hand, K2/Remote
> doesn't update.  Simply telling K2/Remote to connect to the K2 again fixes
> the problem.

> 73 de John - KC4KGU
> K2/100 #2490

John,
 
I tried that first off. One of the menu commands in the MacK2 software is
"Force Update" which requests an update from the K2. I still can only send
commands but not receive anything from KIo2.
 
Other suggestions anyone?
 
Pete WK8S


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