Updates in this release include a minor bug fix in File->Real-Time Logging menu that caused unstable file rotation.
PC CDU Lite is a Utility version of PC CDU MS available for free. Download it at http://www.topcongps.com/software/freesoft.html#pccdulite
PC CDU MS is a "for sale" item, however upgrades are free. Users can download this new version if they have previously purchased an earlier version from an authorized Topcon dealer.
Contact a local dealer to purchase a new license or receive and updated version directly.
For help finding a local dealer, consult the dealer listings at http://topcongps.com/support/dealer_search.html.