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MTK-3301 GPS Receiver Series
Model: FV-M7 GPS Receiver
USER’S GUIDE
The objective of The FV-M7 User’s Guide is to help users to understand the
properties of FV-M7 thoroughly and, therefore, obtain the maximum performance
from the module easily. This document describes and provides the useful
information the FV-M7 module, which includes the functions of pins on the module,
configuration setting and utility. It will help users to understand the capability of the
module and, therefo
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Contents Chapter 1 Introduction......................................................... 3 1.1 Specifications ............................................................................................4 Chapter 2 Pin Assignment .................................................... 5 2.1 Pin Assignment.........................................................................................5 2.2 Pin description ..............................................................................
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Chapter 1 Introduction The main goal of FV-M7 is to be used as a part of integrated system, which can be a simple PVT (Position-Velocity-Time) system, for instance, G-mouse, PND (Personal Navigation Device), or complex wireless systems, such as a system with GSM function, a system with Bluetooth function, and a system with GPRS function. The module (FV-M7) can be the best candidate for users’ systems as the users’ systems need the careful consideration on the performance, sensitivity
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1.1 Specifications PHYSICAL CONSTRUCTION PERFORMANCE GPS Chipset MTK-3301 Dimension L40.5mm*W35mm*H13.7mm Sensitivity -158dbm Receiving 1575.42MHZ; C/A code frequency Weight 11 grams 1 channel (Support WAAS, EGNOS, SBAS MSAS) Standard: MCX Jack DGPS RTCM Protocol RF Connector Optional: SMA, SMB Jack Receiver 32 parallel channels architecture Hot start 1 sec. typical Start-up time Warm start 35 sec. typical 12pin connector with 1.27mm Connector Cold start 41sec. typi
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Chapter 2 Pin Assignment 2.1 Pin Assignment Figure 2.1 shows the pin definitions of FV-M7. Table 2.1 describes the corresponding definitions for pins. Figure 2.1 FV-M7 Pin definitions 5
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2.2 Pin description VIN (DC power input): This is the main DC supply for a 3.3V ~ 5V +- 5% DC input power module board. BATTERY (Backup battery): This is the battery backup input that powers the SRAM and RTC when main power is removed. Typical current draw is <10uA. Without an external backup battery, the module/engine board will execute a cold star after every turn on. To achieve the faster start-up offered by a hot or warm start, a battery backup must be connected. The batter
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Chapter 3 Operating GPS Locator Utility GPS Locator Utility V2.61 is the latest utility for configuring the GPS settings of Sanav GPS receivers. You can find the utility in the CD (FV-M7\Utility\Setup) and the password is in License.txt. Double click on the Setup.exe and follow the installation procedures. GPS Locator Utility (Version 2.61), an application program for FV-M7, enables you to do the configurations on the unit. Below are instructions of how to work with this software,
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3.1 Connecting Com Port After selecting the Com Port, bard rate and Command Setting, click on “Connect” and you will be able to do the configurations. Select the ComPort Select baud rate (default of 4800) Select SV3310, which is the same as MTK-3301 8
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3.2 Functional Windows (Interval Setting) After connecting with success, you can view the NMEA data from different functional windows. The configurations can be done in the “User Setting” window. On top of the “User Setting” window, there are several taps. Please select the taps for different settings. User Setting Window, change GPS sentence output interval Note: After finishing interval setting, click “Send” to confirm the setting before proceeding next tap window for t
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3.3 Functional Windows (Local Time Zone Setting) Different local time zones are available. Note: After finishing local time zone setting, click “Send” to confirm the setting before proceeding next tap window for the other setting. Note: If there is no backup power connected, all the settings will go back to default after a power cycle. 10
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3.4 Functional Windows (SBAS Setting) Enable/Disable the SBAS (WAAS). Note: After selecting the wanted SBAS setting, click “Send” to confirm the setting before proceeding next tap window for the other setting. Note: If there is no backup power connected, all the settings will go back to default after a power cycle. 11
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3.5 Functional Windows (Power Mode Setting) Select the power mode and “Continuous” is preferred. Please contact Sanav for more information about the power mode. Note: After selecting the wanted power mode setting, click “Send” to confirm the setting before proceeding next tap window for the other setting. Note: If there is no backup power connected, all the settings will go back to default after a power cycle. 12
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3.6 Functional Windows (Restart Setting) User can restart the unit by using this utility. Note: After selecting the wanted restart setting, click “Send” to confirm the setting before proceeding next tap window for the other setting. Note: If there is no backup power connected, all the settings will go back to default after a power cycle. 13
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3.7 Functional Windows (View Default) The default of receiver can be seen in this window. 14
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3.8 Using Mini GPS to Open Com Port Select the ComPort Select baud rate (default of 4800) 15
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3.9 Using Mini GPS to Setup Test Setup Please note if the number of percentage is over 100, all setting can’t be allowed. 1. Fix update rate can be changed from 1 ~ 5Hz 2. Baud rate can be changed from 4800 ~ 115200 bps. 3. When the settings are done, click on “Test” and follow the instruction in the next page. You will be able to save the settings into the flash. 16
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3.10 Using Mini GPS to Save Settings into Flash Test Set the setting and check the how many times that can refresh the module left. FV series engine board module currently offers a function to refresh the firmware to your desired setting like baud rate, updated rate or sentences output. Please complete the setting at Chapter 3.9 then save the setting at this page by clicking on the Set. The module is only allowed the user to refresh the module 7-8 times. How many times remain
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Chapter 4 Available NMEA Messages 4.1 NMEA Protocol The NMEA protocol expresses the data in the format of ASCII. This is a standard format for GPS applications. 4.1.1 Standard NMEA Messages The module can output 7 standard NMEA messages, which are NMEA Output Messages NMEA Record Description GGA Global Positioning System Fix Data. GSA GNSS DOP and Active Satellites GSV GNSS Satellites in View RMC Recommended Minimum Navigation Information VTG Course Over Ground and Ground
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GGA – GPS Fix Data Position fix related data, such as position, time, number of satellites in use, etc.. $GPGGA,gga1,gga2,gga3,gga4,gga5,gga6,gga7,gga8,gga9,g ga10,gga11,gga12,gga13,gga14*hh Parameters Descriptions Notes hhmmss.sss: hh – hour; mm – gga1 UTC time as position is fixed minute; ss.sss – second ddmm.mmmmmm: dd – degree; o gga2 Latitude mm.mmmmmm – minute (0 ~ o 90 ) gga3 Latitude sector N – North; S - South dddmm.mmmmmm: dd – gga4 Longitude degree; mm.mmmm
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GLL – Geographic Position – Latitude/Longitude Navigation data and status. $GPGLL,gll1,gll2,gll3,gll4,gll5,gll6,gll7*hh Parameters Descriptions Notes ddmm.mmmmmm: dd – degree; gll1 Latitude o o mm.mmmmmm – minute (0 ~ 90 ) gll2 Latitude sector N – North; S – South dddmm.mmmmmm: dd – degree; o gll3 Longitude mm.mmmmmm – minute (0 ~ o 180 ) gll4 Longitude sector E – East; W – West hhmmss.ss: hh – hour; mm – gll5 UTC time as position is fixed minute; ss.ss – second
