[Elecraft] [N1MM] Re: [microHAM] Re: K3/ Microkeyer/N1MM lockup at FD

[Joe Subich, W4TV]

> N1MM Logger only sets Winkey PTT for SSB. For CW, the Winkey PTT is
> set automatically by the Winkey chip, based on data in the buffer,
> not by any N1MM Logger command.

Interesting ... then there is still another source of PTT being set -
perhaps RTS on a separate serial port.  In any case, with both the
K3 and CW Keyer showing PTT independently (no hardware PTT cable
between the two) it appears that the logger is not releasing PTT.

73,

    ... Joe, W4TV


On 6/28/2011 10:56 AM, Steve London wrote:
> On 06/28/2011 08:37 AM, Joe Subich, W4TV wrote:
>
>>
>> I'm concerned because you indicated that the CW Keyer PTT LED was
>> lit. Even though you did not have a PTT line connected between the
>> CW Keyer and K3, that tells me that N1MM had sent the WinKey PTT On
>> command (and the K3 "TX1;" command) and did not send the PTT OFF
>> commands when you hit the key. The fact that *BOTH* (potential)
>> sources of PTT were engaged would point to an N1MM timing issue -
>> I can't see both devices "missing" the PTT Off commands.
>
> N1MM Logger only sets Winkey PTT for SSB. For CW, the Winkey PTT is set
> automatically by the Winkey chip, based on data in the buffer, not by
> any N1MM Logger command.
>
> 73,
> Steve, N2IC
>