My WY60 works fine, too, but it seems that we've
been lucky, compared to what
you might find in the big chunk of WYSE messages at
http://www.cs.utk.edu/~shuford/terminal_index.html.
I was sure I had a pair of WYSE 60 terminals, but I dug one out last night
and its a 160, about 5 years newer.