Chapter 3 Smart2 Operation; Communications With The Receiver; Serial Port Communications - Novatel SMART2 Installation And Operation User Manual

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Chapter 3 SMART2 Operation

Before operating the receiver for the first time, refer to SMART2 Overview on page 13 for SMART2 installation
instructions.
Refer to Communications with the Receiver below to begin configuring the SMART2 for operation.

3.1 Communications with the Receiver

Communication is established with the receiver using a data terminal or computer connected to the receiver by a
variety of methods:
Serial Port Communications below
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CAN Bus Communications on the next page
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Bluetooth® Communications on the next page (SMART2-B and SMART2-TB hardware options only)
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When connected to the receiver, enter commands directly from a terminal or through terminal emulation software
on a computer. For example:
NovAtel Application Suite - NovAtel Application Suite is set of computer based applications that simplify
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the configuration and monitoring of NovAtel receivers. For information about installing and using NovAtel
Application Suite, refer to the online documentation (docs.novatel.com/Tools).
Any console/command line application
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To maximize the application of the receiver's capabilities, become familiar with the commands and logs
described in
Agriculture Commands and Logs Reference

3.1.1 Serial Port Communications

The receiver can communicate with a computer or terminal via a serial port. For communication to occur, both
the receiver and the operator interface have to be configured properly. The receiver's default port settings are:
9600 bps
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no parity
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8 data bits
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1 stop bit
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no handshaking
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echo off
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break on
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The data transfer rate determines how fast information is transmitted. Take for example a log whose message
byte count is 96. The default port settings allows 10 bits/byte (8 data bits + 1 stop bit + 1 framing bit). It therefore
takes 960 bits per message. To get 10 messages per second then requires 9600 bps. Also remember that even if
you set the bps to 9600, the actual data transfer rate may be lower and depends on the number of satellites being
tracked, data filters in use, and idle time. It is therefore suggested that you leave yourself a margin when choos-
ing a data rate.
The minimum suggested baud rate for most applications is 115200 bps. If the buffer overrun flag is
present in the RXSTATUS log (refer to the
a higher baud rate if possible.
SMART2 Installation and Operation Manual v4
Manual.
Agriculture Commands and Logs Reference
Manual), log at
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