Rockwell Automation 2707-NP2 MICROVIEW SOFTWARE PROGRAMMING MANUAL - Manual (Page 89)

Publication 2707-PM002B-EN-P
Entering MicroView Configuration Data 12-11
If you wish to change the baud rate of the MicroView, press [Return] to
display the second screen.
Select a baud rate that matches your controller.
To save the new Baud Rate, press [Esc]. You are returned to the PLC
Hardware Parameter - Option Selection menu.