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Table of contents for the manual
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Page 1
1 MTK-3301 GP S Receiver Series Model: FV-M7 GPS Rece iver 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 th e maxi mum performance from the m odule easi ly . This documen t descri bes and pr ovides the us eful informati on the FV -M7 module, which i[...]
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2 Contents Chapter 1 Introduction ......... ................... ........................... .. 3 1.1 Specifications ............................................................................................ 4 Chapter 2 Pin Assignment ................... ............................ ..... 5 2.1 Pin Assignment ......................................[...]
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3 Chapter 1 Int rodu ction The main g oal of FV-M7 is to be used as a part of integrated system, w hi ch can be a simple PVT (Position-V el ocity- Time) system, for insta nce, G-mouse, PND (Pe rsonal Navi gation Device), or compl ex wireless systems, such a s a system with GSM functi on, a system with B luetooth function, and a system with GPRS fun[...]
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4 1.1 Specifications PHYSICAL CONSTRUCTION PERFORMANCE GPS Chipset MTK -3 301 Dimension L40.5mm*W35mm*H13.7mm Sensitivity -158dbm R eceiving frequency 1575.42MHZ; C/A code W eight 11 grams SBAS 1 channel (Support WAAS , EGNOS, MSAS) DGPS R TCM P rotocol RF Connector Standard: MCX Jack Optional: SMA, SMB Jack R eceiver architecture 32 parallel chann[...]
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5 Chapter 2 Pin Assignm ent 2.1 Pin Assignment Figure 2.1 shows the pin definition s of FV-M7. T abl e 2 .1 desc ribes the c orrespond ing definiti ons for pins. Figure 2.1 FV -M7 Pin definitions[...]
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6 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 RT C w hen main po wer is re moved. T ypical current draw is <10uA. Wit hout an external ba ckup b attery , the module /engine board will exe[...]
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7 Chapter 3 Operating GPS Locat or Utility GPS Locator Utility V2.61 i s the l atest utili ty for confi guri ng the GPS setti ngs of Sanav GPS receivers. Y ou can fi nd the u tility in the CD (FV-M7UtilityS etup) an d the password is in License.txt. Double c lick on the Setup.exe a nd follow the installation procedures. GPS Locator Utility (Versi[...]
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8 3.1 Connecting Com Port After sel ecting the Com Po rt, bard rate and Com mand Setting, click on “ Connect ” and you will be able to d o the config urations. Select the ComP ort Select baud rat e (defaul t of 4800) Select SV3 310, which is the same as MTK-33 01[...]
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9 3.2 Functional Windows (Interval Setting) After connecti ng with success, you can view the NMEA da ta from differen t functional wind ows. The configurations can be done in the “ User Setting ” window. On top of the “Us er S etti ng” w indow , t here are several t aps. Pl ease select th e taps f or different setti ngs. Note: Afte r f inis[...]
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10 3.3 Functional Windows (Local Time Zone Setting) Different l ocal time zones a re available. Note: Afte r finish ing local time z one setting, click “S end” to confirm t he setting befo re procee ding next ta p window for the ot her settin g. Note: If there is no backup power connected, all the settings will go back to default aft er a pow e[...]
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11 3.4 Functional Windows (SBAS Setting) Enable/Di sable the SBAS ( WAAS). Note: After selecting the wanted SBAS setting, click “Send” to confirm the setting befo re procee ding next ta p window for the ot her settin g. Note: If there is no backup power connected, all the settings will go back to default aft er a pow er cycle.[...]
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12 3.5 Functional Windows (Power Mode Setting) Select the power m ode a nd “ Continuou s ” is p referred . Please contact Sanav for more informati on about the powe r mode. Note: After s electing the wanted po wer mode sett ing, cl ick “Send” t o confirm th e s etting before proce eding next tap window for the other settin g. Note: If there[...]
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13 3.6 Functional Windows (Restart Setting) User can resta rt the uni t by usi ng this u tility . Note: Aft er s electing the w anted rest art setting, click “ Send” to confirm the setting before proc eeding nex t tap window for the o ther set ting. Note: If there is no backup power connected, all the settings will go back to default aft er a p[...]
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14 3.7 Functional Windows (View Default) The defaul t of receiver c an be seen i n thi s window .[...]
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15 3.8 Using Mini GPS to Open Com Port Select the ComP ort Select baud rat e (defaul t of 4800)[...]
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16 3.9 Using Mini GPS to Setup 1. Fix up date rate can be ch anged from 1 ~ 5Hz 2. Baud rate can be cha nged from 48 00 ~ 115200 bps. 3. When the setti ngs are d one, cli ck on “T est” and f ollow the inst ruction in the next page. Y o u will be abl e to save the setti ngs in to the flash. Setup Please note if the numb er of percentage is over [...]
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17 3.10 Using Mini GPS to Save Settings into Flash FV se ries engi ne b oard module current ly o ffers a function to re fresh th e firmware t o your d esired se tting like baud r ate, upda ted rate or sent ences out put. Pl ease complete the s ettin g at Chapter 3.9 th en save the settin g at this page by clicki ng on the Set . The modul e is only [...]
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18 Chapter 4 Availabl e NMEA Messages 4.1 NMEA Protocol The NMEA p rotocol exp resses th e data in the format of ASC II. This i s a standard format for GPS appli cations. 4.1.1 Standa rd NMEA M essages The modul e can output 7 standard N MEA me ssages, whi ch are NMEA Output Messages NMEA Record Description GGA Global Positioning System Fix Data . [...]
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19 GGA – GPS Fix Data Po siti on fix related da ta, such as po sition, ti me, number of sat elli tes in use, etc.. $GPGGA,gga1,gga2,gga3,gga4,gga5,gga6,gga 7,gga8,gga9,g ga10,gga11,gga12,gga13,gga14*hh<CR><LF> Parameters Descriptions Notes gga1 UTC time as posi tion is fi xed hhmmss.sss: h h – h our; mm – minute; ss.sss – second[...]
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20 GLL – Geographic Position – Latitude/Lo ngitude Navigati on data and sta tus. $GPGLL,gll1,gll2,gll3,gll4,gll5,gll6,gll7*hh<CR><LF > Parameters Descriptions Notes gll1 Latitu de ddmm.mmmm mm: dd – degree; mm.mmmmmm – min ute (0 o ~ 90 o ) gll2 Latitu de sector N – North; S – South gll3 Longitu de dddmm.mmm mmm: dd – degr[...]
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21 GSA – GNSS DOP and Active Satellit es Re ceiver oper ating mode, the v alues of DOPs, and PRN numbers for satellites used in the GGA po sition sol uti on. $GPGSA,gsa1,gsa2,(gsa3*12),gsa4,gsa5,gsa6*hh<C R><LF> Parameters Descriptions Notes gsa1 Selection Mode gsa2 Mode for posi tion fi x 1 – fix not avail able; 2 – 2D; 3 – 3D;[...]
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22 GSV – GNSS Satellites in View This messa ge i ndicates t he observable sat ellites’ information, such as PRN nu mbers, elevation, azimu th, SNR, and number of sat elli tes in view . $GPGSV,gsv1,gsv2,gsv3,((gsv4,gsv5,gsv6,gsv7)*n)*hh<CR ><LF> Parameters Descriptions Notes gsv1 T otal n umber of mes sages 1 ~ 9 gsv2 Message n umber[...]
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23 RMC – Recommended Minimum Specific GNSS Data This m essage transmi ts the necessary navig ation data, such as ti me, p ositi on, speed, cours e, and so o n. $GPRMC,rmc1,rmc2,rmc3,rmc4,rmc5,rmc 6,rmc7,rmc8,rmc9,r mc10,rmc11,rmc12*hh<CR><LF> Parameters Descriptions Notes rmc1 UTC time as posi tion is fi xed hhmmss.sss: hh – hour ; [...]
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24 VTG – Course Over Ground and Ground Speed This messag e transmits th e speed and cou rse rel ative to ground. $GPVTG,vtg1,vtg2,vtg3,vtg4,vtg5,vtg6,vtg7,vtg8,vtg9*hh<C R><LF> Parameters Descriptions Notes vtg1 Course over groun d (degrees) Referenced to true nort h (xx.xx o ) vtg2 Indicator of c ourse refer ence T – true no rth vt[...]
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25 ZDA – Time & Date This messag e transmits UTC time and dat e, and local tim e zone. $GPZDA,zda1,zda2,zda3,zda 4,zda5,zda6*hh<CR><LF> Parameters Descriptions Notes zda1 UTC time hhmmss.sss: hh – hour; mm – minute; ss.sss – second zda2 UTC day 01 ~ 31 zda3 UTC month 01 ~ 12 zda4 UTC year xxxx (4 di gits) zda5 Local zone hou[...]
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26 Chapter 5 Limited Warr anty This unit can be used as part of navigational a ids, and is not intended to replace other means of navigation or aids. San J ose Navi gation, Inc. warrants thi s GP S receiver and accessorie s to be free of defect for a p eriod o f 12 months fro m the date of original purchase. THIS W ARRANTY APPLIES ONL Y TO ORIGINAL[...]