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

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

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.