Control of remote mouse pointer with krdc

I'm using krdc (the VNC viewer under Fedora-13/KDE)
to view a remote Windows XP machine,
and this works fairly well;
but I do not see how I can move the remote cursor.
Is this possible?

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland