780C Multi-Interface Interoperability Tester – User Guide Page 210September 29, 2014 Revision A112.3 Procedures for using the Command Line Interface through RS-232 Port(780C only)Use the following procedures for command line control of the 780C via the RS-232 serial port.Please note if you experience a different behavior on your PC, refer to the 780C release notes on the QuantumData website at: http://www.quantumdata.com/downloads/index.asp.1. Power up the 780C and touch select Preferences from the 780C top level menu.2. Select More to view the second Preferences page.3. Choose the baud rate for the RS-232 port.