[Elecraft] K3 can't key CW from Writelog

[Joe Subich, W4TV]

WriteLog keys the K3 just fine if "PC Generated" is selected with
"All mode PTT on RTS" checked and "CW PTT" set to "On LPT pin 16/
COMM RTS" selected in WriteLog, Cw selected on the rig control port,
COMM PTT set to NO, and PTT-Key set to rts-dtr in the K3.

73,

    ... Joe, W4TV


On 11/2/2013 11:20 PM, Josh Fiden wrote:
> Looking at schematic for KIO3, I see that DTR and RTS are a hardware
> selection to control PTT or KEY_IN via Q3-Q6 based on how U5 outputs are
> commanded. This is likely a hardware problem.
>
> Has this been seen or can anyone confirm? Thanks.
>
> 73,
> Josh W6XU
>
> On 11/2/2013 6:15 PM, Josh Fiden wrote:
>> I'm trying to key CW via Writelog. Writelog only allows dtr for this.
>> I'm testing using another program and this is what I've discovered:
>>
>> 1. K3 set PTT-KEY = Off-dtr and sending on dtr, K3 sits there like a
>> bump.
>>
>> 2. K3 set PTT-KEY = Off-rts and sending on rts, K3 keys CW fine.
>>
>> 3. K3 set PTT-KEY = dtr-Off and sending on dtr, K3 "keys" the TX LED.
>>
>> Problem appears to be K3 not responding dtr when it is assigned to KEY.
>>
>> Any ideas?
>>
>> Thanks & 73,
>> Josh W6XU
>
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