Instruction/ maintenance manual of the product GM-82 Holux
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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.
GM-82 User’s manual 2 TABLE OF CONTENTS 1. Introduction …………………………………………………………………………..…….. 3 1.1 Overview ……………………………………………………………………………….
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.
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.
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.
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.
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.
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.
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 Satellite.
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.
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.
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.
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.
An important point after buying a device Holux GM-82 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Holux GM-82 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Holux GM-82 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Holux GM-82 you will learn all the available features of the product, as well as information on its operation. The information that you get Holux GM-82 will certainly help you make a decision on the purchase.
If you already are a holder of Holux GM-82, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Holux GM-82.
However, one of the most important roles played by the user manual is to help in solving problems with Holux GM-82. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Holux GM-82 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
