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Holux GM-82 manual

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Table of contents for the manual

  • Page 1

    GPS Engine Board Jan 02, 2002 HOLUX Technology Inc. 8F, 26, Tai-Yuen Street, Tai- Yuen Hi-Tech Industrial Park, Chu Pei City 302, Hinchu, Taiwan. Phone: +886-3-552-6268 Fax: +886-3-552-6108 E-Mail: info@holux.com.tw Web: www.holux.com.tw All Right Reserved User’s Guide GM-82[...]

  • Page 2

    GM-82 User’s manual 2 TABLE OF CONTENTS 1. Introduction …………………………………………………………………………..…….. 3 1.1 Overview ………………………………………………………………………………. 3 1.2 Features …………………………………………………………………[...]

  • Page 3

    GM-82 User’s manual 3 1. Introduction 1.1 Overview The HOLUX GM-82 Engine Board is a total solution GPS receiver, design ed based on SiRF star II Architecture. This positioning appli cation meets strict needs su ch as ca r navigation, mapping , surveying, agriculture and so on. Only clear view of sky and certain power supply are necessary to the [...]

  • Page 4

    GM-82 User’s manual 4 1.3.4 Performance 1) Tracks up to 12 satellites. 2) Update rate: 1 second. 3) Acquisition time: Reacquisition 0.1 sec, averaged Hot start 8 sec. averaged Warm start 38 sec. averaged Cold start 45 sec. averaged 4) Posit ion accuracy: Non DGPS (Differential GPS) Position 5~25 meter CEP Velocity 0.1 meters/second. Time 1 micros[...]

  • Page 5

    GM-82 User’s manual 5 2.2 Navigation After the acquisition process is complete, the GM-8 2 send s valid navigation information over output channels. These data include: 1) Latitude/longitude/altitude 2) Velocity 3) Date/time 4) Error estimates 5) Satellite and receiver status 2.3 Manufacturing Default: Datum: WGS84. Baud Rate: 4800. Output: GGA, [...]

  • Page 6

    GM-82 User’s manual 6 J1 connector pin definition: Pin # Name Description 1 NC No function 2 VCC_5V Regulated 5.0V +/-5% input power, 160mA typical. 3 VBAT Battery backup input. 2.5V to 3.3V ,10uA typical. 4 NC No function 5 PBRESEN Manual reset input, ground to reset receiv er. Leave floating for normal operation. The minimum plus width is 150 m[...]

  • Page 7

    GM-82 User’s manual 7 4. Software Interface The GPS-82 interface protocol is based on the Nati onal Marine Electronics Asso ciation's NMEA 0183 ASC Ⅱ interface specification, which is defined in NMEA 0183, Version 2.2 and the Radio Techni cal Commission for Maritime S ervices (RTCM Recomme nded Standards For Differe ntial Navstar GPS Servi[...]

  • Page 8

    GM-82 User’s manual 8 4.1.2 Geographic Position wi th Latitude/Longitude(GLL) Table 4-4 contains the values for the following example: $GPGLL,3723.2475,N,12158. 3416,W,161229.487,A*2C Table 4-4 GLL Data Format Name Example Units Description Message ID $GPGLL GLL protocol header Latitude 3723.2475 ddmm.mmmm N/S Indicator N N/S Indicator N N=north [...]

  • Page 9

    GM-82 User’s manual 9 Table 4-8 GSV Data Format Name Example Units Description Message ID $GPGSV GSV protocol header Number of Messages (1) 2 Range 1 to 3 Message Number (1) 1 Range 1 to 3 Satellites in View 07 Satellite ID 07 Channel 1 (Range 1 to 32) Elevation 79 degrees Channel 1 (Maximum 90) Azimuth 048 degrees Channel 1 (True, Range 0 to 359[...]

  • Page 10

    GM-82 User’s manual 10 Speed 0.2 km/hr Measured horizontal speed Units K Kilometers per hour Checksum *6E <CR> <LF> End of message termination (1). SiRF Technology Inc. does not support magnetic declination. All “course over ground” data are geodetic WGS84 directions. 4.1.6 MSK Receiver Signal (MSS) Table C-9 contains the values f[...]

  • Page 11

    GM-82 User’s manual 11 20 European 1950 - Iran International Data20.dat 21 European 1950 – Italy (Sardinia) International Data21.dat 22 European 1950 – Italy (Sicily) International Data22.dat 23 European 1950 – Malta International Data23.dat 24 European 1950 – Northern Region al Mean International Data24.dat 25 European 1950 – Portugal,[...]

  • Page 12

    GM-82 User’s manual 12 5.2 . Manufacturing Default: Parameter Com A Com B Input Protocol NMEA Binary RTCM SC-104 Output Protocol NMEA Binary None Baud Rate 4800 9600 Parity None None Stop Bits 1 1 Data Bits 8 8 Datum: WGS84. Protocol GGA, GSA, GSV, RMC or by demand. 5.2.1 Setting Syntax Datum change syntax: >DOSSirfprog /Fdataxx.dat –Px –[...]

  • Page 13

    GM-82 User’s manual 13 6. Ordering Information 6.1 Products Options Output Level Back-up battery Type Input Pow er Pow er Saving Connector Type Model No. TTL or RS-232 Lithium No Volt. MCX SMA GM-82-A0X-5 RS-232 Y - 5 Y Y - GM-82-A0X-3 RS-232 Y - 3 Y Y - GM-82-A0A-5 RS-232 Y - 5 Y - Y GM-82-A0A-3 RS-232 Y - 3 Y - Y GM-82-A1X-5 RS-232 - Y 5 - Y - [...]