User's Manual Part 1

100 OEMV Family Installation and Operation User Manual Rev 5B
Chapter 6 PC Software and Firmware
CDU is a 32-bit Windows application. The application provides a graphical user interface (GUI) to
allow you to set-up and monitor the operation of the NovAtel receiver by providing a series of
windows whose functionality is explained in this section. A help file is included with CDU. To access
the file, select Contents from the Help menu.
See also Section 4.2.2, Communicating with the Receiver Using CDU starting on Page 58.
The rest of this section shows the CDU windows from the View menu and their descriptions.
Most windows have a popup menu accessible by right clicking on the window with the mouse. They
provide a way to customize the window by changing the font or to print the window contents. Some of
the windows have access to the Options dialog which contains further settings for certain windows.
• Constellation Window: The Constellation window displays each satellite being tracked by the
receiver. When you select a satellite, the window shows details of its PRN, Signal to Noise Ratio
(SNR), azimuth and elevation. Concentric circles from 0° to 90° represent elevations from the
horizon to directly overhead, respectively. The azimuth is mapped on a compass relative to true