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GPS-250MVK
User's Guide
(version 0.1)
GR Telecom Co.,Ltd.

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Summary of Contents for GR GPS-250MVK

  • Page 1 GPS-250MVK User’s Guide (version 0.1) GR Telecom Co.,Ltd.
  • Page 2: Table Of Contents

    GPS-250MVK USER’S GUIDE(0.1) Contents 2. Product Features ..............5 2.1 General Features ..................... 5 2.2 Product Picture ....................... 6 3. Specification ..............7 3.1 Environment Specification ..................7 3.2 Hardware Specification ................... 7 3.3 Mechanical Specification ..................9 3.4 Software Specification ..................10 4.
  • Page 3 GPS-250MVK USER’S GUIDE(0.1) 1. Overview This document is a summary of hardware & software specifications for GPS-250MVK, one of GR Telecom AVL handset. ▣ Contents Contents are as followings: ☞ Product Feature Describe main features & function of GPS-250MVK. ☞ Specification Describe the hardware, software and mechanical specifications.
  • Page 4 GPS-250MVK USER’S GUIDE(0.1) ▣ Terms and Numeric Information AKEY Authentication Key Common Air Interface CDMA Code Division Multiplex Access Diagnostic Monitor Electronic Serial Number Fieled Service lock Code Interim Standard IS-2000 Including IS-95-B July.1999, 1X MC definition, CDMA VER6 IS-801...
  • Page 5: Product Features

    GPS-250MVK USER’S GUIDE(0.1) 2. Product Features 2.1 General Features ▶ CDM A Module ▶ Support IS-95A / IS-95B / IS-2000 Release 0 ▶ Frequency : 800MHz & 1900MHz Dual Band ▶ Chipset : Qualcomm MSM6050 / GPS Sirf III ▶ Interface...
  • Page 6: Product Picture

    GPS-250MVK USER’S GUIDE(0.1) 2.2 Product Picture ▶ Mai n Body ▶ CDMA Antenna – 800 & 1900MHz ▶ GPS Antenna – 1575MHz ▶ 20 Pin Cable to connect with vehicle ▶ Emergency Button GR Telecom co.,Ltd Page 6.
  • Page 7: Specification

    GPS-250MVK USER’S GUIDE(0.1) 3. Specification 3.1 Environment Specification ▶ Relative Humidity : 5% ~ 95% ▶ Storage Temperature : -40℃ ~ 80℃ ▶ Operation Temperature : -20℃ ~ 60℃ ▶ Vibration Stability: 1.5G peak 5 to 500Hz 3.2 Hardware Specification ▶...
  • Page 8 GPS-250MVK USER’S GUIDE(0.1) Frequency conversion method: RF to Baseband direct conversion (Zero IF) Channel spacing: 1.23 Mhz Modulation method: QPSK Receiving sensitivity range: Below – 104 dBm (FER = 0.5%) GPS Sensitivity: - 155 dBm min ▶ GPS Part Receiver Type: L1 Frequency (1575.42 Mhz), C/A Code, 20-Channel Max Up-date Rate: 1 Sec Accuracy(SA off): Position <...
  • Page 9: Mechanical Specification

    GPS-250MVK USER’S GUIDE(0.1) 3.3 Mechanical Specification ▣ External Appearance & Size Size : 89.7 * 58.7 * 21.6 mm Weight : 200 g GR Telecom co.,Ltd Page 9.
  • Page 10: Software Specification

    GPS-250MVK USER’S GUIDE(0.1) 3.4 Software Specification ▶ Working Method : GPS Standalone ▶ Data Service: Support IS-707A and IS-707A-1 ▶ SMS(IS-647): Support MO, MT ▶ Program to support manufacturing: PST GR Telecom co.,Ltd Page 10.
  • Page 11: Functions

    GPS-250MVK USER’S GUIDE(0.1) 4. Functions ▶ Fun ction Block Diagram ▶ 4 Pin Map & Description PIN No Color Net Alias Function 1 Red Main Voltage White IGN:Input 1 Ignition Detect 3 Black Ground 4 Blue Panic Panic Report GR Telecom co.,Ltd...
  • Page 12 GPS-250MVK USER’S GUIDE(0.1) ▶ 20 Pin Map & Description PIN No Color Net Alias Function Input 1 General Input Violet Input 2 General Input Green Input 3 General Input White Input 4 General Input Orange Input 5 General Input 6 N/C...
  • Page 13 GPS-250MVK USER’S GUIDE(0.1) 20 N.C GR Telecom co.,Ltd Page 13.
  • Page 14: Usb Driver Installation

    GPS-250MVK USER’S GUIDE(0.1) 5. USB Driver Installation 1. Only administrator or developer should be use the USB driver to debug and configurate. 2. A users don't need to install the USB drivers. 5.1. When connect the Modem with PC using USB Cable, window will open as below after turn on the Modem.
  • Page 15 GPS-250MVK USER’S GUIDE(0.1) 5.3. Click ‘Browse’. 5.4. Select folder provided USB driver. GR Telecom co.,Ltd Page 15.
  • Page 16 GPS-250MVK USER’S GUIDE(0.1) 5.5. Click ‘Next’. 5.6. Install file. GR Telecom co.,Ltd Page 16.
  • Page 17 GPS-250MVK USER’S GUIDE(0.1) 5.7 Click “Continue” GR Telecom co.,Ltd Page 17.
  • Page 18 GPS-250MVK USER’S GUIDE(0.1) 5.8. Click ‘Finish. 5.9. Above process will be progressed two times. GR Telecom co.,Ltd Page 18.
  • Page 19 GPS-250MVK USER’S GUIDE(0.1) 5.10. After Installation if choose “My computerClick Mouse right buttonProperty”, window will open as below. 5.11. If you choose ‘Device Manager, you can find out USB driver in both of“Modem”& Port(COM & LPT) field as below. Port installed in “Modem”is Data port for AT command, and Port installed in “Port” is DM port.
  • Page 20 GPS-250MVK USER’S GUIDE(0.1) Double click above “Qualcomm USB Modem 3197” to check about Data Port number. Here, Data Port number is “COM4”as below. GR Telecom co.,Ltd Page 20.
  • Page 21 GPS-250MVK USER’S GUIDE(0.1) GR Telecom co.,Ltd Page 21.
  • Page 22: Using Pst (Product Support Tool)

    GPS-250MVK USER’S GUIDE(0.1) 6. Using PST (Product Support Tool) PST consists of 5 Tab“NAM”, “Status”, “Dload”, ‘PRL”, “MDN. To us PST, User have to set COM PORT between Handset & PC. 6.1 COM PORT Set up When execute PST Too, window will open as below and PST search for Handset.
  • Page 23 GPS-250MVK USER’S GUIDE(0.1) After setting up the Port, click “DM” as below. After that Modem connects with PST. GR Telecom co.,Ltd Page 23.
  • Page 24: Nam Set Up / Read

    GPS-250MVK USER’S GUIDE(0.1) 6.2 NAM Set up / Read When you select “NAM” you can see “PST Initial Setup” for input SPC CODE. Input Correct SPC code, and press “OK” button, then you can see NAM screen NAM screen is for setting up & reading NAM value, version and all of information of Mobile station.
  • Page 25 GPS-250MVK USER’S GUIDE(0.1) ▣ INFORMATION ☞ FSC : Minor version of Mobile station firmware. ☞ Mobile CAI Rev. : Mobile Protocol Revision. Protocol is as follow according to version. Versio Mobile Protocol IS-95 IS-95-A TSB 74(14.4K Data Service) IS-95-B IS-2000 ☞...
  • Page 26: Status Screen

    GPS-250MVK USER’S GUIDE(0.1) 6.3 Status Screen ☞ Software Version Firmware version and Mobile station programming version ☞ Hardware Version Displays the current Hardware version ☞ Compiled Data & Time Data & Time that the Mobile station program is compiled ☞...
  • Page 27 GPS-250MVK USER’S GUIDE(0.1) ☞ System ID of carrier ☞ Network ID of carrier ☞ Channel Channel No. that the handset currently receives through ☞ Pilot PN Pilot PN sequence offset index for the Forward CDMA Channel ☞ Phone Number it shall confirm whether the exact phone no. is input ☞...
  • Page 28: A-Key

    GPS-250MVK USER’S GUIDE(0.1) 6.4 A-Key Can be inserted A-Key into the Mobile station using ESN compounding or inserted specific A-Key into the Mobile station without reading ESN. ☞ In case that insert A-Key into the Mobile station using ESN compounding, click “Read ESN” and click “Write”...
  • Page 29: Prl

    GPS-250MVK USER’S GUIDE(0.1) 6.5 PRL In this window, write PRL in NAM of Mobile station or read PRL from Mobile station and save as file. And can be read PRL version. (It is activated in case that Mobile station connects with PST) ☞...
  • Page 30: Downloader

    GPS-250MVK USER’S GUIDE(0.1) 7. Downloader 7.1 Please un-zip “GVC289 Downloader.zip” and execute “GRT_DL.exe”. If the below pop-up is shown up, just disregard and click “OK”. 7.2 Downloader main screen is as follow : ① PORT Setting ② MODEL Setting ③ OPTION Setting ⑤...
  • Page 31 GPS-250MVK USER’S GUIDE(0.1) ⑤ Click “Start” and then start the download. 7.3 If the download is made progress properly, “START” button is un-activated as below and displayed “Running”. GR Telecom co.,Ltd Page 31.
  • Page 32 GPS-250MVK USER’S GUIDE(0.1) 7.4 After finish the Download, display “Success”. GR Telecom co.,Ltd Page 32.
  • Page 33: Hyper Terminal

    GPS-250MVK USER’S GUIDE(0.1) 8. Hyper Terminal 8.1 After connecting the Mobile station with PC, check about Data port in device manager (Refer to 6.11) 8.2. Choose Start  Program  Accessories  Communications  HyperTerminal. Click the Cancel if there will be below window.
  • Page 34 GPS-250MVK USER’S GUIDE(0.1) 8.4. Click “Confirm”. 8.5. Write optional name in Name and click Confirm 8.6. Click “Cancel“ GR Telecom co.,Ltd Page 34.
  • Page 35 GPS-250MVK USER’S GUIDE(0.1) 8.7. Click “No“. 8.8. Choose confirmed Port at device manager as below. GR Telecom co.,Ltd Page 35.
  • Page 36 GPS-250MVK USER’S GUIDE(0.1) 8.9. Click “Confirm“ after setting up as below. 8.10 If type “AT Command” and output “OK”, it set up properly. GR Telecom co.,Ltd Page 36.
  • Page 37 GPS-250MVK USER’S GUIDE(0.1) 8.11 End GR Telecom co.,Ltd Page 37.

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