Trimble SiteVision 5 Provides Machine Guidance for Stakeless Earthworks

5/14/2003 - Trimble (NASDAQ:TRMB) introduced version 5.0 of its groundbreaking SiteVision® System -- a 3D machine guidance and control system for use on dozers, scrapers, motor graders, compactors and excavators. Based on ongoing customer feedback, version 5 offers a variety of new features designed to further increase the productivity of earthworks operations. The many benefits of using SiteVision 5.0 include faster job cycles, lower labor costs, lower machine hours, less staking and less rework.

Precise to 30 mm (0.1 ft.), the SiteVision System utilizes Global Positioning System (GPS) technology. A GPS receiver installed on the dozer or grader continually computes the exact position of GPS antennas installed on each end of the blade of the machine. An on-board computer determines the exact position of each tip of the blade and compares these positions to design elevation. It then computes the cut or fill to grade. This information is displayed on the in-cab screen, and the cut/fill data is passed to the SiteVision lightbars, which guide the operator up or down for grade and right or left of a defined alignment. The cut/fill data is also used to drive the valves for automatic blade control.

SiteVision version 5.0 is available in eight European languages. To enhance usability and improve productivity for both the machine operation and contractor, Trimble has added a number of specific features, which include:

"Developed by the Caterpillar and Trimble joint venture, SiteVision version 5.0 incorporates a number of specific end-user requirements," said Mark Forrest, division vice president of Construction for Trimble's Geomatics and Engineering Division. "Through an ongoing dialog with our customers, we have introduced a number of new features in version 5.0 that improve productivity, enhance safety and extend the usability of SiteVision on different machines and for a wider range of earthmoving applications. As the leading provider of earthmoving systems, we are dedicated to continually improving our solutions for the earthworks contractor."

SiteVision version 5.0 is expected to be available in the second quarter through Trimble's Geomatics and Engineering Division dealer network.

About Trimble's Geomatics and Engineering Division
The combination of Trimble and Spectra Precision, the world leaders in GPS, construction lasers, robotic total stations and machine control solutions, is creating a broad range of innovative solutions that will change the way construction work is done. The Geomatics and Engineering Division of Trimble is focusing on the development of technology and solutions in the core areas of machine control, surveying, and construction instruments. From concept to completion, Trimble's integrated systems streamline jobs and improve productivity.

About Trimble
Trimble is a leading innovator of Global Positioning System (GPS) technology. In addition to providing advanced GPS components, Trimble augments GPS with other positioning technologies as well as wireless communications and software to create complete customer solutions. Trimble's worldwide presence and unique capabilities position the Company for growth in emerging applications including surveying, automobile navigation, machine guidance, asset tracking, wireless platforms, and telecommunications infrastructure. Founded in 1978 and headquartered in Sunnyvale, Calif., Trimble has more than 2,000 employees in more than 20 countries worldwide.

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