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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. 
 
Compass Receiver Utility is available on the webpage 

http://www.comnavtech.com/download.asp?bigclassid=28

 

 

3.1 Connected with GNSS receiver 

 
You  can  use  serial  port  of  PC  to  connect  with  the  receiver,  the  default  baud  rate  is  115200 
(OEM Card baud rate). 
 
Go to 

Set port

, set up the connections, and click 

OK 

 

 

 

If the connection is successful, you will see that the SN number of receiver will show on the left 
top of software operation window; if not, please check the power and connection of all parts. 

 
 

Summary of Contents for SinoGNSS M300 Mini(G)

Page 1: ...M300 GNSS Receiver Quick Tour 2012 2014 ComNav Technology Ltd all rights reserved www comnavtech com...

Page 2: ...o in this document may be either trademarks and or registered trademarks of the respective owners The publisher and the author make no claim to these trademarks While every precaution has been taken i...

Page 3: ...recording set up 4 3 2 2 Get correction message from Radio or Ntrip 6 3 2 2 1 Get correction message from Ntrip 6 3 3 Main information check 8 3 3 1 Satellites information and global map view 8 3 3 2...

Page 4: ...lution 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 firmwar...

Page 5: ...er 1 2 A C adapter 1 3 Data cable 1 From PC to receiver RS232 to 7 pin cable 4 GNSS antenna 1 5 GNSS antenna cable 1 6 Radio antenna 1 Some special application case special antenna supplied 1 2 M300 e...

Page 6: ...ng correction message In the raw data recording mode data recorded in the memory of receiver this LED will also flash according to sampling interval TNC GNSS antenna connector TNC UHF antenna connecto...

Page 7: ...C with Windows XP or Windows 7 operating system on it Compass Receiver Utility is available on the webpage http www comnavtech com download asp bigclassid 28 3 1 Connected with GNSS receiver You can u...

Page 8: ...lect the function such as data download convert to Rinex data Main window show the information such as PVT view SV sky plot view and hyper terminal 3 2 Receiver configuration 3 2 1 Raw data recording...

Page 9: ...5 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...

Page 10: ...p or PC can use internet Go to there are two protocols to receive the correction data internet TCP direct and Ntrip mode If the protocol is TCP direct mode input the IP address and port and click Conn...

Page 11: ...User name and Password at last click OK 3 2 3 Work mode configuration 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...

Page 12: ...tarting 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 3 3 1 Satellites infor...

Page 13: ...w the current position on the global map 3 3 2 RTK status indication After the receiver receives correction message the receiver will calculate the ambiguity and turn to differential mode Position mod...

Page 14: ...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 sel...

Page 15: ...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 Go to the shortcut bar define the Rinex version and expor...

Page 16: ...12 3 5 Sending command to Receiver In the shortcut men go to in this page you can send ASIC command to receiver...

Page 17: ...h com3 will not respond interfacemode com3 compass compass on Set com3 not to detect correction message and receiver will turn differential mode to autonomous mode and then COM3 can accept all the OEM...

Page 18: ...NASS RTK observations if available log com3 rtcm1005b ontime 5 Base station coordinates log com3 rtcm1033b ontime 10 Receiver description com com3 38400 change the DC3 linkrate to match the external t...

Page 19: ...ommand to output GPGGA information to check the solution type log port gpgga ontime frequency Frequency description 1 1 HZ 2 1 output every 2 seconds 0 2 5 HZ For example GPGGA 1 2 3 4 5 6 7 8 9 M 10...

Page 20: ...ystem 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 ephemeris in ComNav format...

Page 21: ...el measurements for the currently tracked satellites 2 The MAX out frequency is 20 Hz Normally we use 10HZ 5HZ 2HZ and 1HZ corresponding commands are 0 1 0 2 0 5 and 1 After sending those commands the...

Page 22: ...18 Click update the programme bar will make progress This will take a few seconds...

Page 23: ...irmware 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 cl...

Page 24: ...in definition of M300 Last review by Simon 2014 06 08 Any feedback please send email to Support comnavtech com 7 pin Lemo Description 1 Signal GND 2 GND 3 TX data out TXD 4 NONE 5 NONE 6 Power In 7 Se...

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