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Operation Chapter 3
SMART-AG User Manual Rev 2 27
3.1.2 Communicating Using a Remote Terminal
One method of communicating with the receiver is through a remote terminal. The receiver has been
pre-wired to allow proper RS-232 interface with your data terminal. To communicate with the
terminal the receiver only requires the RX, TX, and GND lines to be used. Handshaking is not
available. Ensure the terminal’s communications set-up matches the receiver’s RS-232 protocol.
3.1.3 Communicating Using a Personal Computer
An IBM-compatible PC/laptop can be set up to emulate a remote terminal as well as provide the
added flexibility of creating multiple-command batch files and data logging storage files. Any
standard communications software package that emulates a terminal can be used to establish
bidirectional communications with the receiver, for example, HyperTerminal or our own graphic user
interface (GUI) program, CDU. All data is sent as raw 8-bit binary or ASCII characters.
3.2 Getting Started
Included with your receiver are NovAtel’s CDU and Convert programs. CDU is a windows-based
GUI which allows you to access the receiver's many features without the need for communications
protocol or to write special software. The Convert utility is a windows-based utility that allows you to
convert between file formats, and strips unwanted records for data file compilation. See also Page 22.
3.2.1 Starting the Receiver
When first powered, the SMART-AG undergoes a complete self-test. If an error condition is detected
during a self-test, the self-test status word changes. This self-test status word can be viewed in the
header of any data output log. Refer to the chapter on Messages in the OEMV Firmware Reference
Manual for header information. If a persistent error develops, please contact your local NovAtel
dealer first. If the problem is still unresolved, please contact NovAtel directly through any of the
methods listed in the Customer Service section at the beginning of this manual on Page 15.
3.2.2 Communicating with the Receiver Using CDU
Launch the CDU program and select Device | Open from its main menu. The Open Configuration
window appears. The example below shows an Open Configuration window with two possible
configurations already set up. Your configurations may be different or you may have none at all, in
which case, the Open Configuration window is empty.