SkyTraq GPS Viewer Software User's Guide

SkyTraq

TM

GPS Viewer Software

User’s Guide

SkyTraq Technology, Inc. www.skytraq.com.tw P 1

The SkyTraq GPS Viewer is easy to use and it’s clear interface of real-time monitoring can help you efficiently complete testing of GPS device. You can start the GPS Viewer without installation first. Just few clicking help you to save all positioning data for further analysis from your GPS device.

Select Com Port and Baudrate

DISPLAY & FUNCTION

Connect /

Disconnect Satellite View Positioning Information

NMEA

Message

Device

Response

Coordinate

Command

Satellite

Signal

Quality

Accuracy of

Position Fix

Firmware

Download

Scatter Diagram of Position Fix

Satellite Color Meaning

Blue

Green

Red

Satellite used in navigation

Satellite used in navigation, but SNR<20

Satellite signal not enough

Time-to-

First-Fix

Adjusting

Scale

Switching

Coordinates

Clear Scatter

Diagram

Set Origin


QUICK GUIDE

Get Ready for Use

1.

Connect your GPS device to PC.

2.

Select Correct Com Port and Baudrate to

Operate.

3.

Download appropriate Firmware to your

GPS device.

Save Positioning Data

1.

Save NMEA to your PC.

2.

Save Ephemeris to your PC.

3.

Save DataLog to your PC.

Helpful Function

1.

Change Navigation Mode between Car and

Pedestrian.

2.

Download AGPS data to your GPS device.

3.

Converter DataLog to Kml.

4.

Test TTFF of Hot / Warm / Cold Start of your

GPS device.


Connect GPS device to PC

BEFORE USE

1.

Turn on your GPS device (Switch to PC connecting mode, if it has the mode).

2.

Make sure your GPS device has a clear view of the sky.

3.

Connect your GPS device to PC by USB cable or other connecting means.

4.

Install the driver of your GPS device on your PC.

5.

Now, your GPS device is ready for working with the SkyTraq GPS Viewer.

Back to Quick Guide


USING GPS Viewer

Select Com Port and Baudrate to Operate

1.

You can choose Com Port and Baudrate by clicking the pull-down menu, then click on

(connect/disconnect button).

2.

If you are not sure what is the correct Com Port and Baudrate for your GPS device, you can try to search them automatically by clicking on

Scan All.

3.

If you know the Com Port but not sure what is the correct Baudrate for your GPS device, you can try to search it automatically by clicking on

Scan Buad.

4.

If you know the Baudrate but not sure what is the correct Com Port for your GPS device, you can try to search it automatically by clicking on Scan Port.

Back to Quick Guide


Hot / Warm / Cold Start and TTFF

1.

To test Time-to-First-Fix (TTFF) of your GPS device, simply click on Hot / Warm / Cold Start buttom.

2.

If you click on Cold Start, you’ll see all satellites disappear in Satellite View and

SNR, and TTFF start to count from zero.

3.

If you click on Hot or Warm Start, you’ll see all satellites turn red in Satellite View

and SNR, and TTFF start to count from zero.

Back to Quick Guide


Adjusting Scale

You can adjust the unit of the scatter diagram by clicking the pull-down menu. If you select lager unit, you can see more widely.

Switching Coordinates

You can switch coordinates between ENU (Local east, north, up coordinates) and LLA

(longitude, latitude, altitude) by clicking the pull-down menu.


Set Origin

You can set the latest position fix as the origin point by clicking on Set Origin button.

Clear Scatter Diagram

You can clear Scatter Diagram by clicking on Clear button.


Download firmware

1.

You can select a firmware for download by clicking on File Path button.

2.

You can download the selected firmware to your GPS device by clicking on

Download button.

Back to Quick Guide

File Path


NMEA 0183

1.

You can stop displaying new NMEA in Message window by clicking on No Output button.

2.

You can start to display new NMEA in Message window by clicking on NMEA 0183 button.


File – Save NMEA

1.

You can save NMEA to a file by clicking on Save NMEA button.

2.

Select a folder for your NMEA file.

3.

You can see the Size of the file is increasing continuously.

4.

When you want to stop saving NMEA to the file, you can click on Stop button.

File – Clean NMEA

1.

You can clean NMEA records by clicking on Clean NMEA button.

2.

You can see Message window is clean.

3.

Clean NMEA button can help you eliminate old NMEA records.

File – Exit

1.

You can close GPS Viewer program by clicking on Exit button.

Back to Quick Guide


Binary – System Restart

1.

You can have an advanced system restart by clicking on System Restart button.

2.

You can set different date, time, or position to test

TTFF of your GPS device.


Binary – Query Software Version

1.

You can query current software version by clicking on Query software version button.

2.

You will see Kernel Version, Version, and Revision date of the current software version.

Binary – Query CRC Checksum

1.

You can query CRC Checksum by clicking on Query

CRC Checksum button.

2.

You will see Software CRC checksum.


Binary – Query and Configure Position

Update Rate

1.

You can query Position Update Rate by clicking on

Query Position Update Rate button.

2.

You will see Position Update Rate.

3.

You can configure Position Update Rate by clicking on Configure Position Update

Rate button.

4.

You can adjust Update Rate and Attributes.


Binary – Query and Configure Datum

1.

You can query Datum by clicking on Query Datum button.

2.

You will see DeltaX, DeltaY, DeltaZ,

Semi_Major_Axis, and Inversed_Flattening.

3.

You can configure Datum by clicking on Configure Datum button.

4.

You can adjust Ellipsoid Index and Attributes.


Binary – Query and configure Position

Pinning

1.

You can query Position Pinning by clicking on

Query Position Pinning button.

2.

You will see Position Pinning Disable or Enable.

3.

You can configure Position Pinning by clicking on

Configure Position Pinning button.

4.

You can enable or disable Position Pinning.

5.

You can configure Pinning Parameters by clicking on Configure Pinning

Parameters button.

6.

You can adjust Pinning speed, Pinning cnt,

Unpinning speed, Unpinning threshold, and

Unpinning distance.


Binary – Query 1PPS

1.

You can query 1PPS by clicking on Query 1PPS button.

2.

You will see whether 1PPS Mode is on or off.

3.

You can configure Datum by clicking on Configure

Datum button.

4.

You can adjust 1PPS Mode and Attributes.


Binary – Set Factory Default

1.

You can restore your GPS device to original setting by clicking on Set Factory Default button.

2.

You will see No Reboot and Reboot after setting

to factory defaults, however, Reboot after setting

to factory defaults is recommended.


Binary – Configure Serial Port

1.

You can configure Serial Port by clicking on

Configure Serial Port button.

2.

You can adjust Baudrate and Attributes.


Binary – Configure NMEA Output

1.

You can configure NMEA output by clicking on

Configure NMEA Output button.

2.

You can adjust GGA Interval, GSA Interval, GSV

Interval, GLL Interval, RMC Interval, VTG Interval,

ZDA Interval, and Attributes.


Binary – Configure Message Type

1.

You can configure message type by clicking on

Configure Message Type button.

2.

You can adjust Type and Attributes.


Binary – Configure Power Mode

1.

You can configure power mode by clicking on

Configure Power Mode button.

2.

You can adjust Power Mode and Attributes.


Ephemeris – Get and Set Ephemeris

1.

You can get Ephemeris by clicking on Get

Ephemeris button.

2.

You can save Ephemeris of all satellites or a specific satellite.

3.

You can select a folder to save the

Ephemeris file by clicking on File Path button.

4.

You can set Ephemeris by clicking on

Set Ephemeris button.

5.

You can select an Ephemeris file to send to your GPS device.

File Path

Back to Quick Guide


Navigation Mode – Query and Configure Navigation Mode

1.

You can query navigation mode by clicking on Query Navigation Mode button.

2.

You can configure navigation mode by clicking on Configure Navigation Mode button.

3.

You can adjust Navigation Mode and Attributes.

Back to Quick Guide


AGPS Configure / Status / Download

1.

You can configure AGPS by clicking on AGPS

Configure button.

2.

You can adjust AGPS

Status and Attributes.

3.

You can see AGPS status by clicking on AGPS Status button.

4.

You can download predicted ephemeris by clicking on AGPS Download button.

Back to Quick Guide


DataLog Configure / Clear / Status

1.

You can adjust l og configure by clicking on Log Configure button.

2.

You can adjust max_time, min_time, max_distance, min_distance, max_speed, and min_speed. You can enable or disable DataLog function.

3.

You can clear log by clicking on Log

Clear button.

4.

You can get l og status by clicking on Log Status button.


DataLog – Log Decompress / Read Batch

1.

You can decompress l og by clicking on Log

Decompress button.

2.

You can select a folder and a filename to save the file of decompressed log.

3.

You can save l og by clicking on Log Read

Batch

button.

4.

You can select a folder and a filename to save the file of Log Read Batch.

Back to Quick Guide


Converter - Compress / Decompress / Kml

1.

You can select a NMEA file to convert to Kml and compress to Log by clicking on Compress button.

2.

You can select a file to decompress by clicking on Decompress button.

3.

You can select a folder and a filename to save the file of decompressed log.

4.

You can select a file to convert to Kml by clicking on Kml button.

Back to Quick Guide


WAAS Configure / Status

1.

You can configure WAAS by clicking on WAAS Configure button.

2.

You can adjust WAAS and Attributes.

3.

You can see WAAS status by clicking on WAAS Status button.


Help

1.

You can get information of the version of SkyTraq GPS Viewer and Copyright by clicking on Help button.


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