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BTGPS III

GPS Receiver

User Guide

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Summary of Contents for BTGPS III

Page 1: ...BTGPS III GPS Receiver User Guide ...

Page 2: ...ntioned herein may be trademarks or tradenames of their respective owners EMTAC reserves the right to make changes and improvements to any of the products described in this document without prior notice Under no circumstances shall EMTAC be responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The external active antenna is an optio...

Page 3: ...does not substitute the needs of careful steering and good judgment Never only rely on one single tool or apparatus for positioning and navigation Accessories The accessory supplied with the BTGPS III receiver is specifically designed for BTGPS III Use of other accessory may severely degrade performance or even damage the receiver and will void the warranty Make sure using the charger by EMTAC DO ...

Page 4: ... the BTGPS III between 15 C 59 F and 25 C 77 F A BTGPS III with a hot or cold battery may temporarily not work even when the battery is new or fully charged The performance of Ni MH AAA 1 2V Battery or 4 X AAA 1 5V Battery is particularly limited in temperatures below 0 C 32 F Batteries must be recycled or disposed of properly Batteries must not be disposed of in municipal waste DO NOT DISPOSE OF ...

Page 5: ...ls or connected with a metal necklace or other electrically conductive material When carrying or storing batteries use a special case Never disassemble battery Doing so may cause an internal or external short circuit or result in exposed material of battery reacting chemically with the air It may also cause heat generation bursting and fire Also this is dangerous as it may cause splashing of alkal...

Page 6: ...is licked rinse out the mouth and consult the doctor without delay If the alkaline solution of the batteries adheres to skin or clothes skin injury may be caused Wash liquid away immediately with abundant clean water such as city water Do not connect of the batteries with wire and do not carry or keep metallic necklace hairpin etc together with batteries The batteries may be short circuited causin...

Page 7: ...sh the area immediately with clean water from the tap or another source Battery fluid can irritate the skin Do not connect more than 21 batteries in series as this may cause electrical shocks leakage of battery fluid and heat generation Do not remove the outer tube from a battery or damage it Doing so will expose the battery to the risk of a short circuit and may cause leakage of battery fluid hea...

Page 8: ...ture range from 20 to 30 C for a longer service life To use batteries for the first time after purchase or having not used them for a long period of time be sure to charge them After long term storage there is a possibility that the battery could not be fully charged In order to fully charge it please charge and discharge the battery for a few times Do not use old and new batteries mixed together ...

Page 9: ...ature and high humidity places Leakage may happen Beside the performance and the life of the batteries may decrease These batteries are allowed to be disposed as general incombustible refuse However if rules for battery disposal exist such as regulations of local government dispose of the batteries in accordance with the rules Do not forget to turn off the switch of the apparatus To keep the batte...

Page 10: ...umstances shall EMTAC and its subsidiaries are responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this User Guide are provided as it Except as required by applicable laws no warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a par...

Page 11: ...ch 21 External Antenna Port 21 LED indicators 21 Power Jack 22 External active antenna optional 22 Operation Guide 23 Step 1 To install the GPS MAP application software 24 Step 2 To pair connect the BTGPS III with the host 25 Step 3 To operate the GPS MAP application software 27 Step 4 To connect with the external active antenna optional 28 Indication of BTGPS III operation 29 Use the Charger of t...

Page 12: ...the BTGPS III or the charger s plug FIRST TIME OPERATION A longer than normal time to first fix of position may result the first time you use the BTGPS III Follow this user guide and consult the instructions of the host platform and GPS application software INTERFERENCE GPS receivers may receive interference near cellular base station and when in close proximity to mobile phone antennas This inter...

Page 13: ...ot included in the standard package SWITCH OFF Obey all laws regulations rules and restrictions Switch off the host platform and discontinue operation of the BTGPS III receiver in hospital ICU aircraft gasoline station near fuel or chemical near blasting area or other restricted areas NOTICE Read the Warnings section comprehensively before operation ...

Page 14: ...or both consumer and corporate usages including Navigation and Positioning Find Street and Route Travel Route Planning Recreation Safety and Security Fleet Management Logistic Field Force Management Enterprise Location Service ELS Location Based Service LBS Mobile Location Service MLS Figure 1 Figure 1 shows BTGPS III with external antenna port option ...

Page 15: ...ng System GPS is a space based radio navigation system This system consists of 24 satellites which orbit the Earth at an altitude of approximately 17 500 kilometers and ground control stations Each of the 24 satellites deployed in 6 orbital planes circles the earth twice a day The system satellites continuously transmit signals contain the information of time and distance in a precise formation 24...

Page 16: ...nitial origin BTGPS III uses the satellite signals to calculate an exact geodetic location through triangulation method contained in 7 meters CEP accurateness devoid of Selective Availability SA which is good enough for general location awareness purposes The position data is then converted within the receiver to latitude and longitude coordinates which is usually provided in the geodetic datum on...

Page 17: ...he external active antenna is an optional accessory which not included in the standard package External antenna port is an optional specification CAUTION and WARNING z Only use the charger supplied in with the BTGPS III Use other charger can damage the BTGPS III and even dangerous at the risk of explosion z Do not expose BTGPS III to high temperatures higher than 60 C 140 F such in car under direc...

Page 18: ...connection Embedded high sensitivity GPS active antenna and Bluetooth antenna External GPS active antenna optional for in vehicle and indoors use Compatible with all GPS map running on various hardware platforms Navigating freely without wire connection to host mobile devices true wire less In the following sections each portion details of BTGPS III are described see Figure 2 and 3 Portion details...

Page 19: ...19 A Antenna Facade B Power Switch C External Antenna Port D LED Indicators E Power Jack Figure 2 Figure 2 shows BTGPS III with external antenna port option A B D E C ...

Page 20: ... 3 Keep this surface clean and clear view to the sky while operating BTGPS III Do not let this frontage surface area covered fully or partially by any object especially contains metal and or electromagnetic wave absorption materials such as screwdriver pen watch floppy diskette CD and metal wires thin metal foil like aluminum foil and metal coated plastic bag water or liquid and carbon paper While...

Page 21: ...tenna optional accessory supplied by EMTAC Use of other active antenna will severely degrade positioning performance or even damage the receiver Please read basic guidelines before using the external active antenna accessory Standard BTGPS III is with no external antenna port LED Indicators In Figure 2 two LED lights indicate the operation status of Bluetooth BLUE GPS GREEN of the BTGPS III Blue L...

Page 22: ...e antenna optional The external active antenna is an optional accessory Just connecting the external active antenna to the external antenna port described in previous section External Antenna Port The active antenna is embedded magnet in the bottom for easy mounting on metal surface be caution not put near to materials are sensitive to magnetic field such as magnetic storage media like floppy disk...

Page 23: ...n about the operation of the host and GPS application software installation procedures please refer to the documentation that accompanies each product respectively In this Chapter a step by step operation procedure is described Step 1 To install the GPS MAP application software Step 2 To pair connect the BTGPS III with the host Step 3 To operate the GPS MAP application software Step 4 To connect w...

Page 24: ...are Make sure the GPS MAP application installed completely In this User Guide CD ROM there is the BTGPS_View Test Program trial version for testing purpose Please follow the step by step operation guide indicated and described in the BTGPS_VIEW Trial Manual file in pdf format Note a The BTGPS_View Test Program is a trial version program and only for testing purpose b The BTGPS_View program is only...

Page 25: ...e power switch is indicated as B in Figure 2 Make sure the battery of the BTGPS III is fully charged Turn the power switch to position Symbol Power on position of the Power Switch Symbol Power off position of the Power Switch LED Indicator Status Indication BLUE Flashing every 1 second BTGPS III just power on and waiting for pair connection Flashing every 2 seconds BTGPS III is connected and paire...

Page 26: ...es in this User Guide CD ROM Please follow the step by step operation guide indicated and described in the files respectively Figure 6 is an example indicates that BTGPS III already connected with your PDA Figure 6 Example This screen shot indicates the BTGPS III is connects with host ...

Page 27: ...your BTGPS III is connected with the host via Bluetooth Open the GPS MAP application on the host Enter into the GPS Map application operation You can easily use all the functions of GPS MAP application software by following the details operation guidance described in the user guide of the GPS MAP application software ...

Page 28: ...onal supplied by EMTAC Use of other antenna will severely degrade positioning performance or even damage the receiver Read Basic Guidelines before using external active antenna accessory Figure 7 Figure 7 shows BTGPS III with external antenna port option Connect and install the optional external active antenna in position before driving Do not operate the optional external antenna while steering o...

Page 29: ... in followings Blue LED indicates Bluetooth pair connect status Flashing every 1 second BTGPS III just power on and waiting for pair connection Flashing every 2 seconds BTGPS III is connected and paired with the host Green LED indicates GPS status Constant on When BTGPS III just power on attempting to fix a position Flashing BTGPS III has a position fixed ...

Page 30: ...the DC charger into the jack of the BTGPS III This will not charge the batteries when using rechargeable batteries You need to plug the charger s plug into the power jack which indicated as E in Figure 2 Make sure using the charger supplied with the BTGPS III Figure 8 DO NOT USE OTHER CHARGER to charge the BTGPS III Power Jack Charger Plug ...

Page 31: ...or navigation 3 Which GPS Map application software I can use There are a lot of major application software can be operation on Bluetooth enabled PDA such as Mapopolis OziExplorerCE Teletype TomTom TUMONZ etc which compatible with BTGPS III Please contact with the Map provider for details 4 What is the passkey or pin code for the BTGPS III paring with the PDA Please key in 0183 This the passkey or ...

Page 32: ...etergents Do not drop shake or knock the BTGPS III Rough handling can break the connector jack and internal electronic circuit boards Dropping the BTGPS III may break the connector and jack which will cause non recoverable and malfunction damages Do not expose to rain or high humidity environment or even pour water on it which will cause malfunction or non recoverable damage Do not sore BTGPS III ...

Page 33: ...lso referred to as a baud rate Channel Channel refers to a set of hardware in the receiver that detects locks on and continuously tracks the signal from a single GPS satellite The more channels available the greater number of GPS satellite s signals a receiver can simultaneously lock and track A receiver of 12 channels is the optimized design considering the current consumption chip package size a...

Page 34: ...t be a certain number of degrees above the horizon before its signals are used for positioning Satellites at low elevation angles five degrees or less have lower signal strengths and are more prone to loss of lock thus causing noisy solutions Ellipsoid A geometric surface which all of whose plane sections are either ellipses or circles Ephemeris Ephemeris is a set of parameters used by a global na...

Page 35: ...n imaginary circle that passes through the north and south poles Multipath Multipath is the reception of a signal both along a direct path and along one or more reflected paths Multipath signals result in an incorrect pseudorange measurement NMEA NATIONAL MARINE ELECTRONICS ASSOCIATION A U S standards committee that defines data message structure contents and protocols to allow the GPS receiver to...

Page 36: ...ger second The accumulation of these adjustments compared to GPS time which runs continuously has resulted in an offset between GPS time and UTC After accounting for leap seconds and using adjustments contained in the navigation message GPS time can be related to UTC within 20 nanoseconds or better Greenwich Mean Time GMT is still the standard time zone for the prime meridian zero longitude Warm S...

Page 37: ...37 relationships Parameters include a geocentric reference ellipsoid a coordinate system and a gravity field model GPS satellite orbital information in the navigation message is referenced to WGS 84 ...

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