UniTraQ UD-731N User Manual
USB Dongle Series Model:UD-731N
GPS USB Dongle Series Model:UD-731N
UD-731N
User’s Manual
UniTraQ International Corp. All right reserved, © 2011
2F., No.136, Ziqiang S. Rd., Zhubei City, Hsinchu County 30264, Taiwan (R.O.C.)
TEL：886-3-6578491 FAX：886-3-6578492
UniTraQ International Corp. RoHS compliance.
2011,01, Version 1.1
MADE IN TAIWAN
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USB Dongle Series Model:UD-731N
Contents
1. Introduction………………..………………………………………………………….………….3
2. Package contents……………………………………………………………………….……….3
3. System requirements…………………………………………………………………………...3
4. Features………………………..……………………………………………………………….…3
5. Specifications………………………………………………………………………………….…4
5.1 Electronic Characteristics……………………………………………………… …………..4
5.2 Physical Characteristics…………………………………………………………………….5
6. Getting started…………………………………………………………………………………...6
6.1 LED Status……………………………………………………………………………….……6
7. Operations………………………………………………………………………………………..7
7.1 Overview……………………………………………………………………………………….7
7.2 Install USB Driver…………………………………………… ……………………………..7-9
7.3 Device Manage Confirmation and Memory Usage……………………………………..9
8. Application Software Introduction…………………………………………………………..10
8.1 u-Center……….……………………………………………………………………………...10
8.1.1 Features….……………………………………………………………………………...10
8.1.2 Starting u-center…………………………………………………………………….....11
8.1.3 Configuring the Serial Connection……………………………………………...11-12
8.1.4 Main Frame……………………………………………………………………….....12-13
9. Trouble Shooting………………………………………………………………………….…...14
10. Approved NMEA Message…………………………………………………………… ……….15
10.1 GGA–GLOBAL POSITIONING SYSTEM FIX DAT A …..…………………………..15-16
10.2 GLL-LATITUDE AND LONGITUDE, WITH TIME OF POSITION FIX AND
STATUS…………………………………………………………………………………..16-17
10.3 GSA - GPS DOP AND ACTIVE SATELLITES ……………………………………........18
10.4 GSV - GPS SATELLITE IN VIEW ………………………………………………………..19
10.5 RMC - RECOMMANDED MINIMUM SPECIFIC GPS/TRANSIT DA TA ………….20-21
10.6 VTG - COURSE OVER GROUND AND GROUND SPEED …………………………..22
10.7 ZDA - TIME AND DATA….……………..………………………………………..………..23
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2011,01, Version 1.1
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USB Dongle Series Model:UD-731N
1. Introduction
The UD-731N is a USB Dongle with GPS receiver and built-in NAND FLASH memory
together. Users can utilize it for navigation and mem ory storage application. Its 50 parallel
channels and u-blox 5 chip which provide short start-up time and fast signal acquisition.
Having fast time-to-first-fix and high sensitivity, the UD-731N offers good navigation
performance even in urban canyons.
The UD-731N is built in with NAND FLASH memory for users to utilize it for memory
storage. The navigation software can also install in the built-in memory to support full
navigation function with GPS receiver in the same device. It is compact and easily used
with your laptop or mini notebook.
2. Package Contents
UD-731N ………….. x 1
CD-ROM ……………x 1
USB cable……...……x 1
3. System Requirements
The UD-731N requires the minimum to run on a laptop:
Operating System: Windows 2000 / XP/Vista, Windows 7
CPU: 500 MHz, Pentium III
System Memory: 128MB RAM
Hard Disk: 50MB free space
4. Features
50 channel to acquire and track satellites simultaneously
Built in NAND FLASH memory
Industry-leading TTFF speed
Signal detection better than -160 dBm
SBAS (WAAS/EGNOS/MSAS) capable
Cold start 29seconds
Hot start < 1second
USB Interface
Accuracy 2.5m CEP
Easy-plug-in Notebook
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2011,01, Version 1.1
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USB Dongle Series Model:UD-731N
5. Specifications
5.1 Electronic Characteristics
Parameter Specification
Receiver Type 50 channels
Re-acquisition sensitivity -160dBm
Tracking sensitivity -160dBm
Cold start sensitivity -145dBm
Receiver frequency 1575.42MHz
Code C/A code
Accuracy
(1) Position
(2) Velocity
Startup Time
hot start
warm start
cold start
Signal Reacquisition <1s
Max navigation update rate 4Hz
Operational Limits
(1) Altitude
(2) velocity
Dynamics
Datum WGS-84
Protocol NMEA-0183 V2.3
Serial Interface USB interface
2.5m CEP
0.1m/sec
< 1 sec
29 sec
29 sec
50000 m
500m/s
≦4G (39.2m/sec2)
Input Voltage 5V ±5%
Power Consumption Tracking: 150 mA
Connector USB B-type 4P male
FLASH memory 2 or 4GB (optional)
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USB Dongle Series Model:UD-731N
5.2 Physical Characteristics
Parameter Specification
Physical dimension 78.62mm X 24.83mm X 11.15mm
Weight 22+-10%g
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2011,01, Version 1.1
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USB Dongle Series Model:UD-731N
6. Getting Started
There are only few simple steps that you need to follow before using your UD-731N:
Install the USB driver onto your laptop using the included CD-ROM .
Plug the GPS receiver into your laptop’s USB port and assign the COM port. From
within your mapping or navigation software (including the supplied GPS
Application utility), you will need to manually configure the COM port that was
assigned to the UD-731N GPS receiver by operation system so that proper
communication between the GPS receiver and a mapping progra m can occur.
Most software requires that you manually configure the COM port setting for any
GPS device being used.
6.1 LED Status
The LED flash status:
RED LED :
1. Continue ON: GPS acquisition
2. 900ms on/ 100ms off : GPS tracking
GREEN LED :
Continue ON: while USB dongle plug into PC
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2011,01, Version 1.1
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USB Dongle Series Model:UD-731N
7. Operations
7.1 Overview
UD-731N is an easy to use device with GPS receiver and memory built-in together. After
you install the USB driver on the computer or laptop, both GPS receiver and maeory can
work with the computer or laptop normally.
7.2 Install USB Driver
The USB driver category depends on your operating system, such as WINDOWS
Vista/XP/2000, WINDOWS 7, and WINCE. Please select the right one from the CD and
then follow the procedures illustrated below to install USB driver.
A. Click on the driver file to start.
B. Review the license agreement information, and select I Agree to accept the licensing
terms, and then click on Next to continue. You may click on Back to go to the previous
step, or Cancel to quit.
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2011,01, Version 1.1
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USB Dongle Series Model:UD-731N
C. The driver is on Installing
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