Hmm....
The only thing that jumps out at me is that your firmware is much more recent than any acirc was ever tested on.
(I think the "4.0" is just a typo - but that package which twobob built would probably be the most recent.)
I have that copy of kterm running on a PW1 without problems -
but again, I am still running the 5.3.3 firmware version.
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Welcome to the world of application testing.
