FW: [Elecraft] K3 Annoying diddle in RTTY

[Dick Dievendorff]

Joe:  
What MCU revision and what version of the K3 Utility are you using?

Wayne provided immediate EOT support in MCU firmware revision 2.48, and K3
Utility Version 1.0.10.17 exploited that capability.  

What's supposed to happen is when we run out of characters to send, the
carrier should drop fairly quickly. Is that not working?

Dick, K6KR



> From: "Joe Stofko" <w1aiu at snet.net>
> Date: January 4, 2009 4:35:24 PM PST
> To: <elecraft at mailman.qth.net>
> Subject: [Elecraft] K3 Annoying diddle in RTTY
>
> I love teletype... played with it over 30 years ago... well before the 
> K3!
> I think that the ability to use the K3 Utility program in terminal mode
> to effect true FSK is a great feature...   I made some Q's this weekend
> during the contest and had a great time of it... except for the 5 
> second
> idle time that appears to be non-controlable. It is most annoying to 
> me...
> and, probably, the stations I worked in the contest, to have to sit and
> wait for the transmission to cease. I know that in the CW to RTTY
> mode, the text string IM can be sent to immediately exit to receive 
> mode
> but this is kinda kludgy, in my opinion, when operating with the 
> keyboard
> to have to reach over and send IM with the paddles. The terminal in 
> the utility
> program has a radio button for TRANSMIT that changes to STOP
> once in the transmit mode... but pressing it... or hitting CTRL-T
> does nothing to promote quick exit to receive mode. We seem to be stuck
> with that idle time, no matter what.  Now, I may have missed
> something somewhere that allows the user to switch immediately
> from TX to RX ...   otherwise, if there are others who are bothered
> by this ... can we ask that a future firmware release might address
> this??   I know that I could avoid this by switching to AFSK and using
> audio cables with the sound card.... but, I much prefer the simpler
> approach to plain old FSK...  and it seems a shame that the K3 firmware
> coupled with the terminal in the utility program doesn't have this 
> feature.
> If I DID happen to overlook something in the manual, pointing me to the
> information would be most appreciated !
>
> Happy New Year to all... 73,
> Joe - W1AIU
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