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GR-213U
GPS Receiver
User’s Guide
Dec. 25 2005
Rev. A
Technology, Inc.
1F.No 30, R&D Rd. II. Hsinchu City, Science-based Industrial Park Taiwan
Phone: +886-3-6687000 Fax: +886-3-6687111
E-Mail: info@holux.com.tw Web: www.holux.com
All Right Reserved
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TABLE OF CONTENTS 1. Introduction ..................................................................................3 1.1 Overview ............................................................................................................... 3 1.2 Features ................................................................................................................ 3 1.3 Technology specifications .....................................................................................
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1. Introduction 1.1 Overview GR-213U Smart GPS Receiver is a total solution GPS receiver, designed based on SiRF Star III Architecture. This positioning application meets strict needs such as car navigation, mapping, surveying, security, agriculture and so on. Only clear view of sky and certain power supply are necessary to the unit. It communicates with other electronic utilities via compatible dual-channel through USB interface and saves critical satellite data by built–in backu
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B) EGNOS/WAAS/Beacon Position < 2.2 meters, horizontal 95% of time < 5 meters, vertical 95% of time 5) Dynamic Conditions: Altitude 18,000 meters (60,000 feet) max Velocity 515 meters / second (700 knots) max Acceleration 4 G, max Jerk 20 meters/second, max 1.3.5 USB Interfaces 1) USB interface with user selectable baud rate (4800-Default, 9600, 19200, 38400). 2) NMEA 0183 Version 2.2 ASCII output GGA, GSA, GSV, RMC (option GLL, VTG, ZDA). 3) SiRF binary
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3. Hardware interface 3.1 Dimension 3.2 Hardware Connection 1) The GR-213U includes an antenna in a unique style waterproof gadget. With the USB connector, you can easily access to your notebook PC, or other USB devices. 2) USB connector The USB A Type is equipped with GR-213U. The function definition is as follows: Pin Signal Name 1+5V 2D + 3D - 4 Ground 5
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4. USB Driver 4.1 System Requirements IBM, Pentium compatible PC and above. 16 MB memory and above Windows 98/Me/2000/XP; VGA Graphic Adapter. 4.2 Installation 1. Copy the ＜GR-213U->English->USB Driver->Win98_2k_XP＞USB-V2.1.0.exe from CD to hard disk. 2. Install USB-V2.1.0.exe. 3. Plug the GR-213U USB connector into the computer, the computer will search plug and play (P&P) device automatically, and the installation of GR-213U USB Driver is complete. 4.3 Important
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5.1.1 Global Positioning System Fix Data (GGA) Table 5-2 contains the values for the following example: $GPGGA,161229.487,3723.2475,N,12158.3416,W,1,07,1.0,9.0,M, , , ,0000*18 Table 5-2 GGA Data Format Name Example Units Description Message ID $GPGGA GGA protocol header UTC Time 161229.487 hhmmss.sss Latitude 3723.2475 ddmm.mmmm N/S Indicator N N=north or S=south Longitude 12158.3416 dddmm.mmmm E/W Indicator W E=east or W=west Position Fix Indicator 1 See Table 5-3 Sa
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Table 5-5 GSA Data Format Name Example Units Description Message ID $GPGSA GSA protocol header Mode 1 A See Table 5-6 Mode 2 3 See Table 5-7 Satellite Used(1) 07 Sv on Channel 1 Satellite Used (1) 02 Sv on Channel 2 …… …. Satellite Used Sv on Channel 20 PDOP 1.8 Position Dilution of Precision HDOP 1.0 Horizontal Dilution of Precision VDOP 1.5 Vertical Dilution of Precision Checksum *33 End of message termination 1. Satellite used in solution.
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NOTE: Items <4>,<5>,<6> and <7> repeat for each satellite in view to a maximum of four (4) satellites per sentence. Additional satellites in view information must be sent in subsequent sentences. These fields will be null if unused. 5.1.5 Recommended Minimum Specific GNSS Data (RMC) Table 5-9 contains the values for the following example: $GPRMC,161229.487,A,3723.2475,N,12158.3416,W,0.13,309.62,120598, ,*10 Table 5-9 RMC Data Format Name Example Units Description Message
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Table 5-11 ZDA Data Format Name Example Units Description Message ID $GPZDA ZDA protocol header UTC Time 181813 Either using valid IONO/UTC or estimated from default leap seconds Day 14 01 TO 31 Month 10 01 TO 12 Year 2003 1980 to 2079 Local zone hour 00 knots Offset from UTC (set to 00) Local zone hour 00 Offset from UTC (set to 00) Checksum 4F End of message termination 6. Warranty The GR-213U is warranted to be free from defects in material and f
