[Elecraft] Linux k3utility RTTY

[Adrian]

I'm not sure if I'm missing something in trying to qso with k3utility
terminal in RTTY mode (K3 > FSK-D).
However I can send the cqdx macro tapping the macro then tapping transmit
etc. I get a response, then
 type in the ops call etc, and tap transmit to get things going, however I
cannot type at 45 bps and the tx stops
 before I'm done. This makes a mess of the qso bigtime.

Why can't the tx be locked and still allow rx and tx auto on keyboard input
such that I can key in my 
message without having to re-tap transmit?

Adrian ... vk4tux