Instruction/ maintenance manual of the product GM-83 Holux
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GPS Engine Board Jan 02, 2002 Thailand contact: NavCom Research Co.,Ltd. 84/280 Asiahometown village,Bangkruay-Soinoi rd., Sainoi district, Ampher Sainoi,Nontabure 11150 Phone : 662-9237628-29 Fax : 662-92367629 Email : navcom@navcoms.
GM-83 User’s manual 2 TABLE OF CONTENTS 1. Introduction …………………………………………………………………………..…….. 3 1.1 Overview ……………………………………………………………………………….
GM-83 User’s manual 3 1. Introduction 1.1 Overview The HOLUX GM-83 Engine Board is a total solution GPS receiver, designed based on SiRF star II Architecture. This positioning application meets stri ct needs such as car navigation, mapping, surveying, agriculture and so on.
GM-83 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) Position accuracy: Non DGPS (Differential GPS) Position 5~25 meter CEP Velocity 0.
GM-83 User’s manual 5 2.2 Navigation After the acquisition process is complete, the GM-83 sends 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-83 User’s manual 6 3. Hardware interface 3.1 Standard Model GM-83 GM-83-A W/ angle MCX connector and st andard hole to hole dimension J1 connector pin definition: Pin # Name Description 1 NC No function 2 VCC_5V Regulated 5.0V +/-5% input power, 160mA typical.
GM-83 User’s manual 7 5 PBRESEN Manual reset input, ground to reset receiver. Leave floating for normal operation. The minimum plus width is 150 ms reset signal.
GM-83 User’s manual 8 4. Software Interface The GM-83 interface protocol is based on the Na tional Marine Electronics Association's NMEA 0183 ASC interface specification, which is defined in NMEA 0183, Version 2.
GM-83 User’s manual 9 Value Description 0 0 Fix not available or invalid 1 GPS SPS Mode, fix valid 2 Differential GPS, SPS Mode, fix valid 3 GPS PPS Mode, fix valid 4.1.2 Geographic Position with Latitude/Longitude(GLL) Table 4-4 contains the values for the following example: $GPGLL,3723.
GM-83 User’s manual 10 33 D 4.1.4 GNSS Satellites in View (GSV) Table 4-8 contains the values for the following example: $GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71 $GPGSV,2.
GM-83 User’s manual 11 4.1.6 Course Over Ground and Ground Speed (VTG) Table 4-10 contains the values for the following example: $GPVTG,309.62,T, ,M,0.13,N,0.2,K*6E Table 4-10 VTG Data Format Name Example Units Description Message ID $GPVTG VTG protocol header Course 309.
GM-83 User’s manual 12 5. Earth Datums 5.1 Earth Datums The following is a list of the GM-83 earth datum index and the corresponding earth datum name: Item Datum Reference Ellipsoid Data name 1 Adindan - Ethiopia Clarke 1880 Data1.dat 2 Afgooye - Somalia Krassovsky Data2.
GM-83 User’s manual 13 42 Paraguay - South American 1969 South American 1969 Data42.dat 43 Philippines Clarke 1866 Data43.dat 44 Puerto Rico – Virgin Islands Clarke 1866 Data44.dat 45 Qatar national International Data45.dat 46 Qornoq – Greenland (SOUTH) International Data46.
GM-83 User’s manual 14 new software to the Receiver, and configure the Receiv er operation. See setup.pdf for more information on the use and operation of SiRFdemo software.
An important point after buying a device Holux GM-83 (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-83 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-83 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Holux GM-83 you will learn all the available features of the product, as well as information on its operation. The information that you get Holux GM-83 will certainly help you make a decision on the purchase.
If you already are a holder of Holux GM-83, 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-83.
However, one of the most important roles played by the user manual is to help in solving problems with Holux GM-83. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Holux GM-83 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