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Summary of Contents for ComNav M300
- Page 1 M300 GNSS Receiver Quick Tour © 2012-2014 ComNav Technology Ltd, all rights reserved www.comnavtech.com...
- Page 2 - without the written permission of the publisher. The words ComNav and the ComNav logo are trademarks of ComNav Technology Ltd. Other products that are referred to in this document may be either trademarks and/or registered trademarks of the respective owners.
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Page 3: Table Of Contents
3.4.2 Memory management ....................11 3.4.3 Rinex convert ........................ 11 3.5 Sending command to Receiver.................... 12 Chapter 4 M300 Frequently Used ASCII Command ......13 4.1 Base station configuration ....................13 4.2 Rover configuration ......................14 4.2.1 Set Rover to differential mode ..................14... - Page 4 4.2.2 Check the solution type ....................15 4.3 Change the serial port baud rate ..................15 4.4 Satellites constellation system configuration ..............16 4.5 log raw data of GNSS observations ..................16 4.6 Update the OEM Card ......................17 4.7 Update radio firmware ......................19 ...................
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Page 5: Chapter1 Introduction
Some special application case, special antenna Radio antenna supplied 1.2 M300 enclosure receiver introduction M300 receiver with 1 GNSS OEM card inside and integrated with radio data link, is mainly used in high accuracy application, e.g., positioning, monitoring, construction, marine, etc. M300 GNSS receiver... -
Page 6: Chapter2 System Installation
Chapter2 System installation 2.1 Front panel introduction Front panel of M300 receiver Ref. # Description ❶ 3 LED indicates the work status of the receiver. PWR: power indicator. After power on, this LED will light in red colour SAT: satellites indicator. It will flash several times every 5 seconds, which means how many satellites locked by the receiver. -
Page 7: Chapter 3 Configuration Oem Card By Cru Software
Chapter 3 Configuration OEM Card by CRU software Compass Receiver Utility is a windows-based GUI that allows you to access most features of the receiver without the need to use a terminal emulator or to write special command. CRU lets you easily communicate with and configure the receiver via serial ports or Ethernet connection, using a PC with Windows XP or Windows 7 operating system on it. -
Page 8: Receiver Configuration
❶Connection status: SN No. of receiver, the data download path. You can select the data download path from the left function bar-> Folders, then select the folder path. ❷Main menu: all the operation of software menu can be found here. ❸Shortcut bar: make it easy to access some frequently used operation. - Page 9 Local log: log the raw data to local PC, the file name will be auto named and stored in the current folder path. In this mode, you can define the raw data message type as shown below.
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Page 10: Get Correction Message From Radio Or Ntrip
3.2.2 Get correction message from Radio or Ntrip 3.2.2.1 Internal Radio setup This step is for setting up internal UHF frequency and protocol. You must link DC3 port to set radio parameters. Go to in shortcut bar, set up the Frequency and protocol (same as external transmit radio). - Page 11 To change the work mode (Base station or Rover), you can edit the command package and sent to the receiver. For example, if you want to start M300 as Base station, go to , some predefined command package list can be seen below.
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Page 12: Main Information Check
Click Edit, You can edit the command package that sent to receiver, then click OK Click Apply and follow the indication to start base M300 as Base station. After starting base station, use DC3 link with external radio, and set the external radio interface baud rate as 38400 bps (to match with the correction message) 3.3 Main information check... -
Page 13: Rtk Status Indication
Sky View: You can go to main menu, View-> Sky view, to callout it. Click the constellation to enable or disable the SV system. Make sure your PC logs on the internet. This will show the current position on the global map. -
Page 14: Raw Data Management
3.4 Raw data management 3.4.1 Raw data download Raw data can be recorded in the memory of receiver or PC. Download the data from memory of receiver: if you go to , the files list will appear in the Main window. You can modify the raw data, such as station name, antenna height. After selecting the file and right click, you can download to the current folder. -
Page 15: Memory Management
3.4.2 Memory management Go to in shortcut bar, you can format the memory or clear the files that you deleted to the recycle bin. 3.4.3 Rinex convert After downloading raw data to the project folder, then you can convert it to Rinex format. Click in the function bar, you will see the raw data in current project. -
Page 16: Sending Command To Receiver
3.5 Sending command to Receiver In the shortcut men, go to , in this page you can send ASIC command to receiver. -
Page 17: Chapter 4 M300 Frequently Used Ascii Command
“interfacemode compass compass on”, then send OEM card command though com3; but for com1, you can send any command to receiver. Chapter 4 M300 Frequently Used ASCII Command Tips： 1. All the commands send to receiver, do not distinguish between letter case, e.g., log version=LOG VERSION. -
Page 18: Rover Configuration
123.456E, 45 Height), please fix the base station coordinates by using the command. fix position 31.123 121.456 45 4.2 Rover configuration The internal radio is connected to COM2 of OEM board, if M300 receive the correction data, It will go to the differential mode automatically. 4.2.1 Set Rover to differential mode If M300 is connected with external device, such as external radio and Ntrip bridge. -
Page 19: Check The Solution Type
interfacemode <port> <input-message> <output-message> on For example: use DC3 to receive external correction data, send the following command though DC1: Command Description com com3 9600 Match with external radio link rate. interfacemode com3 auto auto on Auto detect the correction message type Saveconfig Save the setting to the receiver 4.2.2 Check the solution type... -
Page 20: Satellites Constellation System Configuration
4.5 Log raw data of GNSS observations Raw data request command: The ephemeris requests two different formats, you can use either of them. ComNav Raw data Request command ComNav Raw data Request command (ephemeris in ComNav format) (ephemeris compiler with Novatel format) -
Page 21: Update The Oem Card
Normally we use 10HZ, 5HZ, 2HZ and 1HZ; corresponding commands are 0.1, 0.2, 0.5 and 1. After sending those commands, the raw data will output by receiver, save the data in your PC. Use ComNav Rinex convert tools to covert the data to Rinex, then you can analyse the data in any software. - Page 22 Click update, the programme bar will make progress. This will take a few seconds.
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Page 23: Update Radio Firmware
4.7 Update radio firmware The update process is as same as updating OEM board. Download the radio firmware from ComNav website, use the data cable link with DC3 of M300 to update (update OEM firmware use DC1). Open the update file ***.exe, go to App->Link Setup, select the right serial port of your PC, then click OK, and click Link. - Page 24 Appendix A 7 Pin definition of M300. 7 pin Lemo Description Signal GND TX data out (TXD) NONE NONE Power In (+) Serial data in (RXD) Last review by Simon 2014.06.08 Any feedback please send email to Support@comnavtech.com...
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