Qstarz BT-Q818XT Guide D'installation Rapide page 4

English
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F. Change fix update rate and Activate A‐GPS by
QstarzGpsView software application
To activate these functions, an USB cable and driver installations are
needed. Please prepare an USB cable and install the driver.
Driver could be downloaded from our website:
http://www.qstarz.com/download.php
1. Connect BT‐Q818XT with your PC by mini‐USB cable.
2. Switch BT‐Q818XT on.
3. Execute QstarzGpsView.exe
4. Select COM port (To find the valid com port, please go to <Device
Manager> and expand the <Ports (COM & LPT)> and check "GPS USB
Serial Interface Driver") and set the baud rate to
5. Click On button to establish the communication between
BT‐Q818XT and your PC. If the connection is successful, the NMEA
stream will keep showing.
6. Click Setup tab, and you can change the Fix Update Rate. The
higher number means the device can bear extremer environment.
After select an update rate, click Set to save the setting.
7. Click Update button under AGPS to update the almanac data. The
program will connect to assistance server and download almanac
data automatically. You can also check the effective period of AGPS
by clicking Query. Clear almanac data by clicking Reset.
Note1: A‐GPS can boost GPS warm start speed to always lower than
15sec fix after the first fix. The A‐GPS efficiency will decrease
when time goes by. If it expires, you would have to download
almanac data again or delete it because the acceleration
efficiency of fix will become totally ineffective.
Note2: Please don't update the almanac data via Bluetooth
interface.
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www.Qstarz.com