The SunScreen CD includes software to upgrade to SunScreen 3.2 for the following:
SunScreen 3.1 and SunScreen 3.1 Lite
SunScreen EFS 1.1, 2.0, and 3.0
SunScreen SPF-200
Detailed instructions for upgrading your SunScreen system are in "Upgrading to SunScreen 3.2" in this manual.