USGlobalsat BT-335 User Manual
BT-335
Bluetooth Data Logger
User Manual
Version 1.5
BT-335 page 2
Table of Content
1 Introduction and Features.................................................................................................3
Introduction....................................................................................................................3
Features.........................................................................................................................3
2 Specifications .................................................................................................................... 4
System Specifications ......................................................................................................4
Bluetooth Specifications ...................................................................................................4
3 Hardware Overview...........................................................................................................5
Accessories.....................................................................................................................5
Power Button ..................................................................................................................6
Power Jack .....................................................................................................................6
LED Function ..................................................................................................................6
Usage ............................................................................................................................6
4 Software Utility for Data Logger........................................................................................8
Software Utility Features ..................................................................................................8
Install the Software Utility ................................................................................................ 8
Setup Software Utility ......................................................................................................8
BT-335 Usage for Data Logger......................................................................................... 11
Transfer Data to Your PC................................................................................................. 12
Save Data .................................................................................................................... 13
Displaying the Data on map ............................................................................................ 13
Export Data .................................................................................................................. 15
Speed Filter .................................................................................................................. 16
Delete the Data from Memory ......................................................................................... 16
Metric System or Imperial System ................................................................................... 16
5 Troubleshooting .............................................................................................................. 17
► Change the Battery .................................................................................................... 17
► Bluetooth is Unable to Connect .................................................................................... 17
► GPS cannot be Positioned............................................................................................ 17
6 Appendix .........................................................................................................................18
Automatic Geotagging with “locr GPS Photo” ..................................................................... 18
Download and install...................................................................................................... 18
Basic steps for Geotagging your photos ............................................................................18
BT-335 page 3
1 Introduction and Features
Introduction
The BT-335 is the combination of a GPS receiver and a data logger with Bluetooth interface and built-in
active antenna for high sensitivity to tracking signal. Based on the SiRF star III Low power chip set and
supports all functions (Single Sat updates in reduced visibility, Superior urban canyon performance,
FoliageLock for weak signal tracking, etc.). The BT-335 is well suited to system integrations including
PDA, Smart phone, Tablet PC and Notebook PC with Bluetooth devices. It satisfies a wide variety of
applications that are purposes in automotive and outdoor recreation navigation systems. The BT-335
records time, date, speed, altitude and GPS location at preset intervals. Based on the SiRF star III
chipset, BT-335 offers accurate position tracking capabilities.
All recorded GPS information can be downloaded to the computer. It is a convenient, economical way for
later review of your recorded histories. Simply connect the BT-335 to your PC or Notebook by Bluetooth
interface, and then download the track-log to your PC for use with Windows based software utility. User
can easily export the recorded points to Google Earth and Google Maps. It is ideal application in fleet
management, marine navigational aids, traveling and consumer personal use.
Features
The main features of BT-335 Bluetooth GPS data logger
1. Allowing user to store up to 60000 points.
2. Preset saving intervals (Time/Distance).
3. Configuration Wizard helps you to quickly make the configuration.
4. User friendly Windows based software utility. User may use the software utility to do the following
functions:
Upload recorded data
Change Recording Interval
Configuration setting
Delete recorded data
Exporting and mapping your recorded data:
(1) Exploring to KML (Interface with Google Earth)
(2) CSV format (Excel file format)
(3) Text format
(4) RMC Compatible Format
(5) GPX format
BT-335 page 4
2 Specifications
System Specifications
Electrical Characteristics
Chipset SiRF Star III
Memory 16M bit
Frequency L1, 1575.42 MHz
C/A Code 1.023 MHz chip rate
Channels 20 all-in-view tracking
Tracking Sensitivity -159 dBm
Accuracy
Position Horizontal 10m 2D RMS (SA off)
WAAS enabled 5m 2D RMS (SA off)
Time 1 micro-second synchronized to GPS time
Velocity 0.1m/sec 95% (SA off)
Datum
Datum WGS-84
Acquisition Rate
Hot start 1 sec., average (with ephemeris and almanac valid)
Warm start 38 sec., average (with almanac but not ephemeris)
Cold start 42 sec., average (neither almanac nor ephemeris)
Reacquisition 0.1 sec. average (interruption recovery time)
Protocol
GPS Output Data
GPS transfer rate 38400,N,8,1
Dynamic Condition
Acceleration Limit Less than 4g
Altitude Limit 18,000 meters (60,000 feet) max.
Velocity Limit 515 meters/sec. (1,000 knots) max.
Jerk Limit 20 m/sec**3
Power
Voltage Built-in rechargeable battery(1200 mAh) and 5V DC input charging circuit
Operation Time Up to 18 hours. (After fully recharged, in continuous mode.)
Physical Characteristics
Dimension 72.5mm x 40.4mm x 26mm
Weight 75g
Temperature
Operating -20°~ 60°C
Storage -30°~ 80°C
Humidity Up to 95% non-condensing
NMEA 0183 protocol, and supports command: GGA(1sec), GSA(1 sec), GSV(5 sec),
RMC(1sec) ( VTG and GLL are optional)
Bluetooth Specifications
● Bluetooth V1.2 Compliant
● Supply Voltage : 2.8V ~ 3.3V
● Frequency Range : 2.402 ~ 2.480 GHz
● Receiver Sensitivity : -80 dBm
● Transmit Power : Class 2
● Transmitting Range : 10 m (Depends on environment)
● Power Consumption : 45 mA (Typical)
BT-335 page 5
3 Hardware Overview
1. Power LED
2. GPS status LED
3. Bluetooth status LED
4. Power button
5. Power jack
Accessories
Check the contents of your BT-335 package. If you find any accessories missing or damaged, please
contact your dealer immediately.
Car Charger Adapter
Travel Charger Adapter (Optional)
CD (User Manual, Software Utility, GPS info)
BT-335 page 6
Power Button
Power on:
Press the power button 1 second until the GPS status LED is on.
Power off:
Press the power button 1 second until the GPS status LED is off.
Power Jack
The power jack lets you to connect either a DC car power charger (included) or AC power charger
(included) to recharge the internal battery. Please note that the adapter rating 5V, 1.2 A, positive pole
center.
LED Function
Bluetooth Status LED (Blue):
Blinking (Slowly) ---- Not connected to any Bluetooth device.
Blinking (Quickly) ---- Connected to other Bluetooth device.
GPS Status LED (Green):
Blinking ---- GPS position is fixed
Steady light ---- GPS position is not fixed
Battery Status LED (Red/Yellow):
Red ---- Battery power is critically low.
Yellow ---- Battery is charging now.
LED off ---- Battery is partially full or fully charged.
Usage
For PDA with built-in Bluetooth
1. Press to turn on the power of BT-335.
2. Please refer to the user manual of PDA to enable the Bluetooth of PDA connection to the
BT-335. Some PDA may need the Bluetooth passkey, the passkey is “0000”.
3. Check the number of COM port used by Bluetooth.
4. Run the suitable mapping/navigation software and select the correct COM port & baud rate:
38400.
For PDA with Bluetooth Compact Flash card
1. Press to turn on the power of BT-335.
2. Please refer to the user manual of your Bluetooth devices connecting to BT-335. Some
Bluetooth devices may need the Bluetooth passkey, the passkey is “0000”.
3. Check the number of COM port used by Bluetooth.
4. Run the suitable mapping/navigation software and select the correct COM port & baud rate:
38400.
For Notebook with Bluetooth device
1. Press to turn on the power of BT-335.
2. Please refer to the user manual of your Bluetooth devices connecting to BT-335. Some
Bluetooth devices may need the Bluetooth passkey, the passkey is “0000”.
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