Instruction/ maintenance manual of the product GE863 Telit Wireless Solutions
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GE863-GPS Software User Guide GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Contents: 1 Overview ....................................................................................................... 4 2 Basic Operations ..............................................
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.5.2 IRA charac ter set .............................................................................................................. .............. 64 3.5.3 Writing a New SMS to storage ...
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 1 Overview The purpose of this document is the description of some common AT command procedures that may be used with the Telit GE863-GPS module .
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2 Basic Operations 2.1 Command Syntax In the next paragraphs the following notations are used: <cr> represents the Carriage Return Character (13) <lf> represents the Line Feed Character (10) <xx> represents a parameter whatever name is in place of the xx.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.2 Command Response Timeout Every command issued to the Telit GE863-GPS returns a result response if response codes are enabled (default) (see command ATQn).
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Command Time-Out (Seconds) +CLCC 20 +CPAS 5 +CPIN 20 +CSQ 5 +CPBS 5 +CPBR 20 +CPBF 20 +CPBW 20 +CALM 5 +CRSL 5 +CLVL 5 +CMUT 5 +CACM 20 +CAMM.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Command Time-Out (Seconds) #SHDN 10 #QTEMP 10 #SGPO 10 #GGPI 10 #MONI 10 #CGMI 5 #CGMM 5 #CGMR 5 #CGSN 20 #CIMI 5 +CGACT 180 +CGATT 180 +CGDATA 20 +CGDCONT 20 +CGPADDR 20 +CGQMIN 20 +CGQREQ 20 Reproduction forbidden without Telit Communications S.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.3 Turning ON the GE863-GPS To turn on the GE863-GPS the pin ON# must be tied low for at least 1 second and then released. A simple circuit to do it is: ON# Pow er ON im pu ls e GND NOTE: don't use any pull up resistor on the ON# line.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.4 Turning OFF the GE863-GPS The turning off of the device can be done in two ways: • • by software command by hardware shutdown When th.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.4.1.3 Hardware Unconditional SHUTDOWN To unconditionally SHUTDOWN the GE863-GPS the pin RESET# must be tied low for at least 200 milliseconds and then released.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.5 Checking GSM device functionality After a proper power on the device is ready to receive AT commands on the serial port. Several things have to be checked in order to be sure that the device is ready to send and receive calls and SMS: 2.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.5.2 SIM presence checking After autobauding the first thing to check is the SIM presence and PIN code insert ion, this can be done with the following commands: 2.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.5.2.3 Provide SIM PIN (only if required see point 2.5.2.2 ) • send command AT+CPIN=****<cr> where **** stands for the SIM PIN code (e.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.5.3 Network checking 2.5.3.1 Query network status • send command AT+CREG?<cr> • wait for response: Response Reason Action +CME ERROR: 10 SIM not present or damaged Check SIM or require SIM insertion and repeat from par.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.5.3.2 Network operator identification Once the mobile has registered on some network (or even if it has returned +CREG:x,3), it is possible.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.5.3.3 Check for received signal strength & quality Once the mobile has registered on one network, it may be useful to know the received signal str ength & quality to give the user an indication of the reliability of the network.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 29 -55 dBm MMI may indicate 4 antenna bars 30 -53 dBm MMI may indicate 4 antenna bars 31 -51 dBm or more MMI may indicate 4 antenna bars 99 n.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 #MONI: <netname> BSIC:<bsic> RxQual:<qual> LAC:<lac> Id:<id> ARFCN:<arfc n> PWR:<dBm> dBmTA: <ti.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 command: AT#MONI?<cr> Answer: #MONI: Cc: 010 Nc: 03 BSIC:23 RxQual:7 LAC:0001 Id:0001 ARFCN: 60 PWR: -83 dBm TA:0 OK In this case the m.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.6 Placing a Voice call Before a voice call can be placed, it is recommended to check if the mobile is registered on a net work (see par. 2.5.3.1 ) and if the signal strength is en ough to ensure a call can be made.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1 - Let's assume that the desired audio path is always the internal MT Command: AT#CAP=2<cr> Answer: OK 2 - Let'.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 1 - microphone muted NOTE: The mute setting is different from Volume setting: it refers to both the audio paths, the mute setting will remain even when changing audio path. 2.6.2 Phone number dialing 2.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.6.3 Closing the voice call 2.6.3.1 Hang up the voice call • Send command ATH<cr> • wait for response OK TIP: during the voice call the device remains in command mode, so the escape sequence (+++) must not be issued before sending commands.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.7 Placing a CSD Data call (not GPRS) Before a data call can be placed, it is recommended to check if the mobile is registered on a network (see par. 2.5.3.1 ) and if the signal strength is en ough to ensure that a call can be made.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 AT+CBST==2, 0, 0 V.22 1200 transparent AT+CBST==3, 0, 0 V.23 1200/75 transparent AT+CBST==4, 0, 0 V.22Bis 2400 transparent AT+CBST==6, 0, 0 V.32 4800 transparent AT+CBST==7, 0, 0 V.32 9600 transparent AT+CBST==65, 0, 0 V.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you have to call the national number 040 - 4192111, command: ATD 0404192111<cr> response CONNECT 9600.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2.7.3.2 Hang up the data call • Send command ATH<cr> • wait for response NO CARRIER TIP: during the data call the device remains in data (on line) mode, so the escape sequence (+++) must be issued before sending AT commands to the device.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 To answer the call: • Send command ATA<cr> • wait for response: Response Reason Action CONNECT 9600 The incoming call was a DATA one and called modem is now on line.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3 Advanced Operations 3.1 Accessing the phonebook The GE863-GPS can access the phonebook storage of the SIM card inserted, by using specif ic AT commands it is possible to store and recall phone numbers and their associated name.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.1.1.1 Selecting PB storage active • Send command AT+CPBS=<PB><cr> where: <PB> is the desired PB storage: SM – SIM pho.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 SIM. +CME ERROR: 17 PIN2 is required to continue operations, since FD facility is not enabled.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 and retry. +CME ERROR: 16 the inserted PIN2 is wrong Check PIN2 code and retry. NOTE: When receiving the ERROR or +CME ERROR message, repeat .
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 command: AT+CPBF="FA"<cr> the response may look like: +CPBF= 7,"+39404192369",145,"Fabio" +CPBF= 9,".
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you want to select the "SM" normal phonebook for operations, command: AT+CPBS="SM"<c.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 ERROR some error occurred Enable extended result codes (see par. 2.5.2.1 ), and retry. +CME ERROR: 10 SIM not present Check SIM or require SIM insertion and repeat from par. 2.5.2.2 +CMS ERROR: 310 SIM not present Check SIM or require SIM insertion and repeat from par.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 -Now you may want to check if operation has really succeeded and where the new record has been written.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 repeat from par. 2.5.2.2 +CME ERROR: 14 SIM is busy retry later +CMS ERROR: 314 SIM is busy retry later +CME ERROR: 15 SIM is wrong type Check SIM, it must be a GSM SIM. +CMS ERROR: 315 SIM is wrong type Check SIM, it must be a GSM SIM.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 AT+FCLASS=8<cr> response: OK AT#CAP=2 <cr> OK AT+CLVL=8<cr> OK AT+CMUT? <cr> +CMUT: 0 - and Dial: ATD> 7<cr> OK Reproduction forbidden without Telit Communications S.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2 Distinguish Calls 3.2.1 Identify the Call type The GE863-GPS is able to identify the call type before answering it, it is so possible to .
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2.1.1 Set the extended incoming call indication • Send command AT+CRC=<n><cr> where: <n> is the operation mode selected.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2.2.1 Set Caller line ID indication presentation • Send command AT+CLIP=<n><cr> where: <n> is the operation mode select.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2.3.1 CLIR Service status query • send command AT+CLIR?<cr> • wait for response in the format: +CLIR: <n>,<m> OK wher.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2.3.2 Restrict/Allow Caller line ID indication • Send command AT+CLIR=<n><cr> where: <n> is the operation mode selected: 0 – Calling Line Indication to the other party According to N etwork service status.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2.4.1 Call Barring Service status query • send command AT+CLCK=<fac>,2<cr> where: <fac> is the facility to be queried: .
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 2- Let's assume you want to check whether the Outgoing (originated) international calls are barred or not: command: AT+CLCK=OI,2<cr> response: +CLCK: 1 In this case, the outgoing international calls ARE BARRED.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.2.4.3 Barring/Unbarring Incoming Calls when in International Roaming • Send command AT+CLCK=IR,<en>,<pwd><cr> where: &l.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 • wait for response: Response Reason Action OK Barring is now enabled/disabled all outgoing calls will be barred/unbarred ERROR some error occurred Enable the extended error codes report (see par.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 +CME ERROR: 30 no network service Check for registration (see par. 2.5.3.1 ) and signal strength.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 AT+CLCK=OX,1,1234<cr> response: OK 3.2.4.7 Unbarring all the Calls • Send command AT+CLCK=AB,0,<pwd><cr> where: <pwd&g.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.3 DTMF tones DTMF tones are managed by specific AT commands. These tones are generated with AT commands only during voice calls. The minimum duration of a DTMF t one can be set on 10 ms but it should be considered that this value can vary with the limitations on network.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.4 GSM Power Saving function The Telit GE863-GPS has a special function that reduces the power consumption during the idle time, thus allowing a longer standby time with a given battery capacity.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Response Reason Action OK The power save is now active ERROR some error occurred Enable extended result codes (see par. 2.5.2.1 ), and retry. +CME ERROR: 4 operation no t supported Check command syntax and <fun> value.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.5 SMS handling The Telit GE863-GPS supports the Short Message Service, it is possible to store, delete, write, send and receive a SMS, which is a short text message up to 160 characters long.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.5.1.2 Check SMS Service Centre number The SMS are sent by the GE863-GPS to a service centre (SMSC) where the message is dispa tched towards its final destination or is kept until the delivery is possible.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume your desired SMSC number is +39335123456 (stored in international format): command: AT+CSCA=+39335123456,145<cr> response: OK 3.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 <alpha> - alphanumeric representation of originator/destination number corresponding to the entry found in MT phonebook <length> .
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 <pag> - page number <pags> - total number of pages of the message <data> - CBM Content of Message <ds> - SMS-STATUS-R.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you want to eliminate all the unsolicited codes that may be sent when receiving SMS & Status Report: co.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 VPF validity period format 0 0 - Validity period NOT present 1 0 - VP integer represented (relative) 1 1 - VP semi octet represented (absolut.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 35 group 4 telefax 36 voice telephone (i.e. conversion to speech) 37 ERMES (European Radio Messaging System) 38 National Paging system (known to the SC) 39 Videotex (T.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 - Data coding Scheme as defined by GSM 3.38 – in numerical format The DCS is an 8-bit parameter reported as an integer, the default value is 0, otherwise for simplicity, we report only the most useful DCS, for further Schemes refer to GSM 3.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Hence, the message format is the binary number 00010001 corresponding to the integer 17. - Validity period 24 hours corresponding to an integer value 167. 12 hours + ((167 -143) x 30 min) = 24 hours - Protocol ID implicit (SMS sent to a mobile terminal) corresponding to a value 0.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 The GE863-GPS allows the user to select a different storage for the read-delete, write-send, and reception-saving SMS operations.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 x7 ' 7 G W g w x8 ( 8 H X h x x9 ) 9 I Y i y xA LF 2 * : J Z j z xB + ; K k xC , < L l xD CR 3 - = M m xE .
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.5.3 Writing a New SMS to storage A new SMS can be written in the selected storage <memw> (in the current SW version only "SM" is supported) and then can be sent to the desired destination.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 +CMGW: 3 OK In this case, the new SMS was successfully written to the location index 3 of the selected write memory (always "SM" SIM Card memory).
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you want to send a SMS that was written to the storage index position number 3.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 +CMS ERROR: 42 network congestion Retry later +CMS ERROR: 96 Mandatory information missing Check for d estination address in the SMS, overwrite it and retry.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Response Reason Action OK Message has been successfully deleted. proceed ahead ERROR some error occurred Enable the extended error codes report (see par. 2.5.2.1 ) and retry. +CMS ERROR: 321 Invalid memory index e.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 +CMGR: <stat>,<da>,<alpha> [,<toda>,<fo>,<pid>,<dcs>,, <sca>,<tosca>,<length>] &l.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 command: AT+CMGR=4 response: +CMGR: "STO UNSENT","+393351234565" Telit Test Message for Text Mode SMS. OK In this case the SMS was successfully read, the text contained was: " Telit Test Message for Text Mode SMS.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 "ALL" - all messages • wait for response in the format: For every message in the group: +CMGL: <index>,<stat>,<oa/.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.6 Using General Purpose Input/Output pins The Telit GE863-GPS provides various General Purpose Input/Output pins, these pins can be configured via AT commands as Inputs, Outputs and two of them as "alternate function".
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you want to set GPIO3 pin as Output and you want it to be in LOW status: command: AT#GPIO=3,0,1<cr> response: OK In this case, the GPIO3 pin was successfully put in output direction and its status ha s been set to LOW.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 In this case, the GPIO4 pin was successfully put in input direction. 3.6.2 GPIO pin use After having set-up the GPIO pin direction you can query the input status of an INPUT pin or set the output status of an OUTPUT pin.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 AT#GPIO=3,2<cr> response: #GPIO: 0,1 OK In this case, the GPIO3 pin was set in input direction and its status has been measured to be HIGH.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you want to set the GPIO3 pin HIGH: command: AT#GPIO=3,1,1<cr> response: OK In this case, the GPIO3 pin was set in output direction and its status has been set to HIGH.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 <value> is a dummy value can be either: 0 – dummy value 1 – dummy value • wait for response OK TIP: Remember that the alternate f.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 AT#GPIO=7,0,2<cr> response: OK In this case, the GPIO7 pin was successfully put in buzzer output direction.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.7 Clock/Alarm function The Telit GE863-GPS provides a Real Time Clock and Alarm embedded in the product; it is therefore possible to set-up.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.7.1.1 Regulate the Clock • Send command AT+CCLK="<time>"<cr> where: <time> - current time as quoted string in the format : "yy/MM/dd,hh:mm:ss±zz" yy - year (two last digits are mandatory), range is 00.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 For example: 1- Let's assume you want now to read the current time: command: AT+CCLK?<cr> response: +CCLK="02/11/07,12:26:47"<cr> OK In this case the current date/time is: 7 November 2002 12h 26m 47s 3.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3 - the MODULE wakes up in "alarm mode" if at the alarm time it was off, otherwise it remains fully operative.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.7.2.2.1 Exit from the al arm status and shutdown • Send command AT#SHDN<cr> • wait for response OK At the OK result code, the device will end alarm activity and shutdown.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 3.7.2.3.1 Alarm operation example For example: 1- Let's assume you have a battery powered device, a meteorological unit that measures ev.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 response: +CCLK="02/11/07,13:24:47"<cr> OK - calculate & set up the next alarm in order to raise the GPIO6 pin to power up the controlling application too.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 4 GPRS operations 4.1 Introduction The General Packet Radio Services (GPRS) standard permits DATA transfers in a completely different way with respect to previous point to point communications made with Circuit Swit ch Data (CSD) GSM modems.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 CSD interconnectivity In GPRS operations instead, the connection is made directly towards internet as if the GPRS modem was a network IP socket interface.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Due to this kind of connection, when activatin g the GPRS connection you must provide the network parameters to enter through the internet po.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5 GPS operations 5.1 Introduction The GE863-GPS module is equipped with a SiRFStar III GPS receiver that is controllable by the GSM modem using a setof AT commands or dedicated NMEA sentences.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 The typical application that permits also to contr ol the GPS part by the GSM modem is the following: PIN # NAME NAME PIN# 25 TX_TRACE RX_GPS_BIN 78 26 RX_TRACE TX_GPS_BIN 80 This configuration is also settable on the EVK board.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4 NMEA 0183 The NMEA 0183 is a specification created by the National Marine Electronics Association (NMEA) that defines the interface between other marine electronic equipment. The standard permits marine electronics to send information to computers and to oth er marine equipment.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4.1 GGA - Global Positioning System Fixed Data This sentence provides Time, position, and fix related data for a GPS Receiver Table A contains the values for the following example: $GPGGA,161229.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4.2 GLL - Geographic Position - Latitude/Longitude This sentence provides latit ude and longitude of vessel positi on, time of position fix and status Table C contains the values for the following example: $GPGLL,3723.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4.3 GSA - GNSS DOP and Active Satellites This sentence reports the GPS receiver’s operating mode, satellites used in the navigation solut ion reported by the GGA sentence and DOP values. Table D contains the values for the following example: $GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4.4 GSV - GNSS Satellites in View This sentence reports the number of satellites (SV) in view, satellite ID nu mbers, elevation, azimuth and SNR value.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4.5 RMC - Recommended Minimum Specific GNSS Data This sentence reports Time , date, position, course and speed data. Table H contains the values for the following example: $GPRMC,161229.487,A,3723.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.4.6 VTG - Course Over Ground and Ground Speed This sentence reports the actual course and spe ed relative to the ground. Table I contains the values for the following example: $GPVTG,309.62,T, ,M,0.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.5 Checking GPS device functionality After a proper power on the device is ready to receive AT commands on the MODEM serial port. The GPS receiver also will be automatically powered on and it will start the scan of t he available GPS signals.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.6 CONTROLLING GPS RECEIVER The GE863-GPS module is provided by a set of AT commands that permits to configure and use it through the MODEM serial port. For the Full list of available commands please re fer to the GE863-GPS AT commands Specification 5.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.6.2 GPS RESET With the command AT$GPSR=<reset type> is possible to reset the GPS module. Parameter: <reset type> 0 - Hardware reset: the GPS receiver is reset and restarts by using the values store d in the internal memory of the GPS receiver.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.6.3 GPS ANTENNA MANAGEMENT The GPS receiver needs an active antenna. Thi s antenna could be supplied by the module. By default the antenna supply is set to ON (the provided voltage is related to VBATT so the GPS antenna have to accept a range of supply voltage from 3.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5.6.4 GPS PARAMETERS SAVE This command allows saving the set parameters in the module’s memory Syntax of the command : AT$GPSSAV After this command restart the module to update the modifications.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 <longitude>: (referred to GGA sentence) dddmm.mmmm E/W Values: ddd (degrees) 00 to 180 mm. mmmm (minutes) 00,0000 to 59.9999 E/W: East / West <hdop>: (referred to GGA sentence) x.x Horizontal Diluition of Precision <altitude>: (re ferred to GGA sentence) xxxx.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 6 Service and firmware update The Telit GE863 modules firmware can be updated through the same serial interface, which is us ed normally for the AT commands.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 5. Press OK to the initial message. NOTE : In connection with the GE863 modules, charged battery has to be understood that the power supply must not be disconnected during the firmware update.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 Wait for the end of programming green message OK The Telit GE863 module is now programmed with the new firmware. NOTE : the above pictures show how the application dialogs appear for the GM862 product.
GE863-GPS Software User Guide 1vv0300724 Rev. 2 - 24/01/07 7 Document Change Log Revision Date Changes ISSUE #0 21/03/06 First release ISSUE #1 28/08/06 Review of all the document ISSUE #2 24/01/07 Review of all the document Reproduction forbidden without Telit Communications S.
An important point after buying a device Telit Wireless Solutions GE863 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telit Wireless Solutions GE863 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 Telit Wireless Solutions GE863 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telit Wireless Solutions GE863 you will learn all the available features of the product, as well as information on its operation. The information that you get Telit Wireless Solutions GE863 will certainly help you make a decision on the purchase.
If you already are a holder of Telit Wireless Solutions GE863, 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 Telit Wireless Solutions GE863.
However, one of the most important roles played by the user manual is to help in solving problems with Telit Wireless Solutions GE863. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telit Wireless Solutions GE863 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
