[. . . ] Survey Pro 4. 10. 1 Software Release Notes Introduction New Features and Changes Enhancements General Improvements Upgrade Procedure Version 4. 10. 1 Revision A December 2010 Introduction Spectra Precision Survey Pro version 4. 10. 1 is maintenance release that contains general improvements. [. . . ] The distance measurement display in Nivo C or FOCUS 10 Quick Measurement screen will now not be cleared after 5 seconds. The Face 2 display on Nivo C and FOCUS 8 is now much faster to change displayed values. F 2 Upgrade Procedure For the upgrade procedure and downloads, refer Trimble Survey Partners or http://www. trimble. com. Survey Pro 4. 10 enforces the requirement for a valid warranty prior to updates. The Survey Pro 4. 10 installation program will use an Internet connection to verify the serial number of the data collector for warranty coverage. If the unit is not covered, you can continue the installation, but the software will only work in demo mode on the data collector until a warranty is purchased. You can also choose to discontinue the installation and keep the fully licensed version that is currently installed on the unit. [. . . ] The installation program will warn you if your warranty has expired and you can choose to continue or cancel the installation at that point. F 3 [. . . ]