To use the X-Rite 939 Spectrodensitometer with ProfileMaker Pro, you must configure the instrument in the following manner:

1. Under Hardware Setup...Serial Port:

   Baud Rate	9600
   Handshake	off
   Auto Transmit	ON
   Separator	Tab
   Delimiter	CR
   Set Data Type	Colorimetric
   Header Printout	off
   Standard Printout	off
   Emulation	938

2. Under Color Options...Active Functions, only L*a*b* should be selected (prefaced with the > symbol.)
3. Under Color Options...Active Illum/Obs..., make sure only your desired illuminant/observer combination is selected. Normally this is D50/2.