Global Sat BT-308 User manual

UserManual

Bluetooth GPS Receiver

BT-308

Ver 1.02

BT-308 at a glance

1. Introduction

The BT-308 is a GPS receiver with Bluetooth interface and built-in active antenna for

high sensitivity to tracking signal. Based on the SiRF star Ⅱe/LP low power chip set and

supports all functions(SingleSat updates in reduced visibility, Superior urban canyon

performance, FoliageLock for weak signal tracking, etc.). The BT-308 is well suited to

system integration and users who use PDA, Smart phone, Tablet PC and Notebook PC with

Bluetooth devices. It satisfies a wide variety of applications for car navigation, personal

navigation or touring devices, tracking and marine navigation purpose.

1.1 Package

Before you start up, make sure that your package includes the following

items. If any items are missing or damaged, contact your dealer immediately.

 Bluetooth GPS Receiver

 A CD with the User Manual and the Testing Program.

 AC Power Charger

 DC Car Power Charger

 External Antenna

1.2 Power Switch

Power on

Power off

1.3 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. You can either use the included

two chargers or an iPAQ-compatible AC adapter. Please note that the adapter rating 5V,

1.2 A, positive pole center.

1.3 LED Function

Bluetooth Status LED (Blue):

Blinking (Slowly) ---- Not connected to any Bluetooth devices.

Blinking (Quickly) ---- Connected to other Bluetooth device.

GPS Status LED (Green):

Blinking ---- GPS position is fixed

Steady light ---- GPS position not fixed

Battery Status LED (Red/Yellow):

Red ---- Battery power is critically low. Charge immediately.

Yellow ---- Battery is charging now.

LED off ---- Battery partially full or Battery is fully charged.

1.4 External Antenna

Basically, you don’t need external antenna to perform GPS positioning with BT-308 since

it already build-in active antenna. The only condition that you need external antenna is when

BT-308 unit can not “see” the sky, For instance, when you are in any environments that GPS

signal is blocked, the external GPS antenna will help to receive better GPS signal.

Plug the external antenna with MMCX connector to the plug on BT-308. Place the

magnetic external antenna on the roof of the car or an outdoor open-space, and make sure

place it in correct direction. That is, the side with magnetic is the bottom side, and the upper

side must face to sky in order to receive better signal.

Notice:

Hold the antenna connector while you plug the external antenna into the BT-308 or

unplug the external antenna from the BT-308. Do not pull the cable line.

2. Usage

2.1. For PDAwhich built-in Bluetooth (Example: iPAQ 3870/3970)

1. Switch the BT-308 power on.

2. Please refer to the user manual of PDA to enable the Bluetooth of PDA

connecting to the BT-308. Some PDAs may need the Bluetooth passkey, the

passkey is “2003”.

3. Check the number of COM port used by Bluetooth.(Example the iPAQ 3970 is

the output port COM 8).

4. Running the suitable mapping/navigation software and select the correct COM

port(iPAQ 3970 is the output port COM 8)& baud rate : 38400

2.2. For PDAwith Bluetooth Compact Flash card

1. Switch the BT-308 power on.

2. Please refer to the user manual of Bluetooth Compact Flash card to enable it

connecting to the BT-308. Some Bluetooth devices may need the Bluetooth

passkey, the passkey is “2003”.

3. Check the number of COM port used by Bluetooth.(Example COM 6).

4. Running the suitable mapping/navigation software and select the correct COM

port & baud rate : 38400.

2.3. For Notebook with Bluetooth device

1. Switch the BT-308 power on.

2. Please refer to the user manual of Bluetooth device to enable it connecting to the

BT-308. Some Bluetooth devices may need the Bluetooth passkey, the passkey is

“2003”.

3. Check the number of COM port used by Bluetooth.(Example COM 6).

4. Running the suitable mapping/navigation software and select the correct COM

port & baud rate : 38400.

Note: Most of the applications, the Bluetooth device have an “auto-detect” feature

that you do not need to select Baud Rate.

3. How to test your Bluetooth GPS Receiver ?

The testing program only supports the Microsoft Windows CE & Pocket PC based PDA

platform.

1. Run the “GPSinfo.exe” to execute the installation procedure of testing program (via

PC and ActiveSync).

2. Run the “GPS Information” program from “Start →Program files” of PDA.

Here is the description of “GPS Information” testing program as follows:

User must select COM port , Baud Rate (38400) and click the [Star GPS] button to start

receiving GPS data.

Note: Most of the applications, the Bluetooth device have an “auto-detect” feature

that you do not need to select Baud Rate.

3. System Specification

Electrical Characteristics (Receiver)

Frequency L1, 1575.42 MHz

C/A Code 1.023 MHz chip rate

Channels 12

Sensitivity -170 dBW

Accuracy

Position Horizontal 15m 2D RMS (SA off)

WAAS enabled 10m 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 8 sec., average (with ephemeris and almanac valid)

Warm start 38 sec., average (with almanac but not ephemeris)

Cold start 45 sec., average (neither almanac nor ephemeris)

Reacquisition 0.1 sec. average (interruption recovery time)

Protocol

GPS Output Data NMEA 0183 protocol, and supports command:

GGA, GSA, GSV, RMC, VTG, GLL (VTG and GLL

are optional)

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

External antenna

Power 3.3V

Connector MMCX

Power

Voltage Built-in rechargeable battery(900 mAh) and 5V DC

input charging circuit

Operation Time 8 hr. After fully recharged, in continuous mode

>10 hr in trickle power mode

Physical Characteristics

Dimension 85mm x 47mm x 26mm

Weight 98g

Temperature

Operating -20°~ 70°C

Storage -30°~ 80°C

Humidity Up to 95% non-condensing

3.1 Bluetooth Specification

●Bluetooth V1.1 Compliant

●Supply Voltage : 2.8V ~ 3.3V

●Frequency Range : 2.402 ~ 2.480 GHz

●Receiver Sensitivity : -80 dBm

●Transmit Power : Class 2

●Transmitting Range : 3 ~10 m (Depends on environment)

●Power Consumption : 45 mA (Typical)

FCC Notices

This device complies with part 15 of the FCC rules. Operation is subject to the following two

conditions:

(1)This device may not cause harmful interference, and

(2)This device must accept any interference received, including interference that may

cause undesired operation .

FCC RF Exposure requirements:

This device and its antenna(s) must not be co-located or operation in conjunction with any

other antenna or transmitter.

NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV

INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS

EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER'S AUTHORITY TO

OPERATE THE EQUIPMENT.

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