This application provides status information and direct control & query capability 
for the features of the following Symmetricom GPS Timing Receiver products: 
55300A, 58503B, and 59551A.

The help file is in Windows Help format, which is not supported under Windows 7.
If you run Windows 7, you will need a utility available from the Microsoft web site
(Genuine Advantage verification required), or from Softpedia:
http://www.softpedia.com/progDownload/WinHlp-for-Windows7-Download-141461.html
(no registration needed from Softpedia)

Didier