If you are looking to determine the Cognos 8 Framework Manager model version then you would have to navigate to the folder where the model is stored and open the model.xml file with Notepad.
The first 4 lines show the version.
Cognos 8.1 MR2
<?xml version="1.0" encoding="UTF-8" ?>
<project xmlns="http://www.developer.cognos.com/schemas/bmt/58/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.developer.cognos.com/schemas/bmt/58/1
Cognos 8.2
<?xml version="1.0" encoding="UTF-8" ?>
<project containsDynamicContent="true" xmlns="http://www.developer.cognos.com/schemas/bmt/58/2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.developer.cognos.com/schemas/bmt/58/2