Prentke Romich Company
http://www.prentrom.com/support/article/420

How can I Tell What Software Version I Have in my ECO?

To find out what software version you are currently running in your ECO activate the TOOLS key on the front of the case to go to the Toolbox.

 Select the MAINTENANCE MENU in the Toolbox.

This is a picture of the Maintenance key in the toolbox.

You can see the Software Version in the System Information box in the MAINTENANCE menu.

This is a picture of the software version in the Vantage and Vanguard.

Select Cancel to Exit.

NOTE:   From the Toolbox you can either select  Go To Minspeak to return to your Core vocabulary or OK to return to whatever you were working on last.