10/29/97 
Added a second Vector as argument to s2000_link_vector
for calibration of pixel - sensivity.

11/25/97
Ported to Tcl8.0/Tk8.0/BLT2.3 ( doesn't work ) 

07/11/98
Ported to Tcl8.0/Tk8.0/BLT2.4  
