K3 Rtty question

[Dave, G4AON]

Steve

I think this was raised as a bug some time ago, clearly it hasn't been
fixed!
Most folk probably use audio tones rather than hard wired FSK and so
probably don't notice.

73 Dave, G4AON
K3/100 #80
==============
I am using my K3 for RTTY and have the FSK and PTT lines from the Aux I/O
connected to a Com port through the usual NPN interface. It works fine. I
note that the setting of Config:FSK pol (0 or 1) makes no difference on
transmitted FSK. I am using FSK D as the data mode.

What am I missing?

BTW, I think Elecraft support is super.

73, Steve, K4FJ
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[Joe Subich, W4TV-3]

> I think this was raised as a bug some time ago, clearly it
> hasn't been fixed!

Clearly it has not been fixed.  However, it seems to be
"stuck" such that the FSK input needs to be low ("closed")
for Mark and open for Space which is compatible with most
interfaces that have a transistor output driven from a UART
(serial port).  

> Most folk probably use audio tones rather than hard wired
> FSK and so probably don't notice.

I doubt that is the case - more likely that the default is
right for most users.  If one has a RTTY device that is
"upside down" for FSK, getting it right is a simple matter
of selecting ALT to select the opposite (USB) sideband.

73,

   ... Joe, W4TV
 

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Dave G4AON
> Sent: Monday, June 23, 2008 4:44 PM
> To: [hidden email]
> Subject: [Elecraft] K3 Rtty question
>
>
> Steve
>
> I think this was raised as a bug some time ago, clearly it
> hasn't been
> fixed!
> Most folk probably use audio tones rather than hard wired FSK and so
> probably don't notice.
>
> 73 Dave, G4AON
> K3/100 #80
> ==============
> I am using my K3 for RTTY and have the FSK and PTT lines from
> the Aux I/O connected to a Com port through the usual NPN
> interface. It works fine. I note that the setting of
> Config:FSK pol (0 or 1) makes no difference on transmitted
> FSK. I am using FSK D as the data mode.
>
> What am I missing?
>
> BTW, I think Elecraft support is super.
>
> 73, Steve, K4FJ
> _______________________________________________
> Elecraft mailing list
> Post to: [hidden email]
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft   
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com

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