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USER MANUAL G300Ni

INTELLIGENT NETWORK GPS RECEIVER

SKU 001-1070

G300Ni-MA-v06r03

2021-08-04
ENGLISH

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Summary of Contents for G300Ni

Page 1: ...USER MANUAL G300Ni INTELLIGENT NETWORK GPS RECEIVER SKU 001 1070 G300Ni MA v06r03 2021 08 04 ENGLISH ...

Page 2: ......

Page 3: ...e Software 13 8 2 Requirements 13 8 3 Installing the Raspbian OS 13 8 4 Enabling the Serial Port 14 8 4 1 Setting and testing the serial port to receive GPS data 15 9 GPS RECEIVER 17 9 1 GPS Receiver Technical Specification 17 10 TROUBLESHOOTING 17 10 1 No power Raspberry Pi not booting 17 10 2 No GPS data 17 10 3 The GPS is not detecting any satellites 17 11 SPECIFICATIONS 18 11 1 Physical 18 11 ...

Page 4: ...G300Ni 4 1 G300NI INTELLIGENT GPS RECEIVER WITH WIFI ...

Page 5: ...he titles of each section 2 document cross references 3 the table of contents This document may therefore be navigated quickly and effectively by using a mouse or other pointing device to activate each of these hyperlinks This is a printer friendly document designed to be printed 2 sided as a booklet with A5 pages on A4 stock paper Document name Date Details Author G300Ni MA v06r01 2019 10 01 Firs...

Page 6: ...unicated to any other person without the written permission of COMAR The recipient of this document as its registered holder must exercise due diligence in ensuring that the above conditions are observed Errors and Omissions Excepted Any enquires relating to this document or its contents should be addressed in writing in the first instance to COMAR SYSTEMS LTD COMAR SYSTEMS Vittlefields Technology...

Page 7: ...shortened or lengthened by an appropriate supplier In accordance with a policy of continual development and product improvement hardware and software may be upgraded from time to time and future versions of equipment may therefore not correspond exactly with this manual When necessary upgrades to the product will be accompanied by updates or addenda to this manual Information contained in this man...

Page 8: ...familiarise yourself with this user manual The G300Ni is intended to be developed continually therefore this manual should be considered as a guide 5 1 Parts List On delivery carefully inspect the contents of the packing case Note any damage or any missing items Ensure that the correct parts are included for your application 1 For the latest information on Raspberry Pi computers and operating syst...

Page 9: ...G300Ni 9 6 MAJOR DIMENSIONS All dimensions mm ...

Page 10: ...micro USB socket on the side of the G300Ni see section 6 MAJOR DIMENSIONS Provided that the unit is configured correctly the receiver will immediately begin the boot process Refer to section 8 CONFIGURATION 7 3 GPS Antenna Placement of the GPS antenna is crucial to the quality of the data received Any metal close to a GPS antenna can disturb the signal in an unpredictable way due to interference f...

Page 11: ...r SSH which are done via a network 8 1 Getting Started 8 1 1 Standard Setup Connect the keyboard mouse and monitor and power on the unit When prompted enter the username and password for Rasbian which are the standard settings User pi Password raspberry This will then boot directly into the desktop frontend of the Rasbian as shown below Note It is recommended to change the default login details ...

Page 12: ...SH is enabled on the Raspbian install of your unit SSH is a software package that enables secure system administration and file transfers over insecure networks To connect to your unit via SSH use the standard login details for Rasbian User pi Password raspberry 8 2 Software Configuration 8 2 1 OpenCPN Default plotter software OpenCPN is installed on your unit To start OpenCPN just click on the Op...

Page 13: ...g Raspbian It is an open source operating system and can be freely downloadable from the internet The examples in this section are based on the Raspbian OS This section describes an example of how to download and install software to receive data from the G300Ni 9 2 Requirements You will need the following 1 The Comar G300Ni and power supply 2 A MicroSD data storage card Comar recommends a high qua...

Page 14: ...meters This applies to all uses of the G300Ni see below 9 4 Enabling the Serial Port In the later Jessie4 releases the GPIO serial port is disabled by default In order to enable it you will need to edit config txt using the terminal emulator on the toolbar as follows Once you have Raspbian running on Raspberry Pi go to Menu Accessories Terminal and type sudo nano boot config txt A text editor will...

Page 15: ...it Remove the text console serial0 115200 The code should now look something like this dwc_otg lpm_enable 0 console tty1 root dev mmcblk0p2 rootfstype ext4 elevator deadline fsck repair yes root wait Save the file by pressing Ctrl X use option Yes and press Enter Reboot for changes to take effect sudo reboot Finally you need to set the speed and enable the port ttyS0 for the GPS stream 9 4 1 Setti...

Page 16: ...ing like this formatted GPS data If strange characters are displayed or data sentences are not formatted correctly then the Baud rate settings may need checking for the serial port In this case repeat the procedure for setting up the serial port ...

Page 17: ...pecification Channels 12 Parallel Channels Frequency 1575 42 MHz WAAS Yes Update Rate 1 sec Hot Start 2 sec Warm Start 15 sec Cold Start 45 sec 11 TROUBLESHOOTING 11 1 No power Raspberry Pi not booting Check the power supply and that the unit is connected correctly to the 5V dc supply Check the SD Card is inserted correctly 11 2 No GPS data Check the serial port is set up as described in section 9...

Page 18: ...enna Impedance 50 Ω USB power 100 mA each port max 12 3 Operational Frequency GPS 1575 42MHz Sensitivity 112 dBM Microcomputer 1 2 GHz 64bit quad core ARM v8 CPU WiFi 802 11n Data Types Received Standard GPRMC GPGGA GPGSA GPGSV Optional PGRME GPGLL GPVTG PGRMV PGRMF PGRMB PGRMM PGRMT 12 4 Environmental IP Rating IP40 Operating temp 15 C to 55 C Compass Safe Distance 50 cm 11 5 Additional Informati...

Page 19: ... this product to be free from defects in materials and manufacture for one year from the date of purchase Comar Systems Ltd will at its sole option repair or replace any components that fail in normal use Such repairs or replacement will be made at no charge to the customer for parts and labour The customer is however responsible for any transportation costs incurred in returning the unit to Comar...

Page 20: ...COMAR SYSTEMS Vittlefields Technology Centre Forest Road NEWPORT Isle of Wight PO30 4LY UNITED KINGDOM tel 44 0 1983 828900 email sales comarsystems com web www comarsystems com ...

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