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Note

Product operation guide and download info, please find the Download Index 

file stored in the memory of BL-818GT and you can read or install accordingly 

under internet connection.

Note

Do not stick anything on back cover.

Risk of explosion if Battery is replaced by an incorrect type. Dispose of 

used batteries according to the instructions.

G-Sensor button: 

Press & hold 1 second to calibrate G-sensor.

Charging the BL-818GT

BL-818GT Function buttons

Acquiring Satellite Signal

Update firmware

Please make sure you have everything included in the package.

Please FULLY charge the BL-818GT for the first time use by 

c nnectin  the supp ied  icr  

 cab e thr u h c mputer  r car’s 

cigarette adaptor.

Power button: Press and hold to power on/off.

 

Download and extract the firmware from Qstarz web site  

http://racing.qstarz.com/Products/BL-818GT-FirmwareUpdate.html. If you 

need to update the Bootloader, please also download the latest Bootloader 

file.

 

Power off BL-818GT and connect with computer via Micro USB cable.

 

Copy the firmware file “FW.qst” and Boodloader file “BL.qst” to the root 

directory of BL-818GT Micro SD card.

 

After copying, please select Safely Remove Hardware and Eject Media 

(QSTARZ BL-818GT) in Windows operating system. 

 

Unplug the Micro USB cable, and firmware update will begin automatically. 

LEDs will flash in sequence during the update process.

 

Once firmware update is completed, the device will turn off automatically. 

Do not shut down or power off during the update process.

Remove the back cover by pushing the battery cover release tab 

with your thumbnail.

Insert the battery, and align the battery contacts with the terminals 

in the battery compartment.

Place the back cover over the battery compartment, and press it 

downward until it clicks into place.

Note

The failure of the firmware update will cause the device irreparable damage. 

Before update the latest firmware, please make sure that the battery capacity

is over 50% and the back cover is installed.

  

Hold on Power button to power on BL-818GT.

  

Place the device outside under clear view of sky to acquire 

GPS signals.

  

Acquiring GPS signals may take few minutes. The GPS LED is 

turning to solid green when it has connected with GPS 

satellites.

Device Charging and Updating firmware.

Shut down the device. (Inside the rubber cover)

BL-818GT unit

Low Power
Recharging

Device power off 

GPS position is fixed

Searching for device

Bluetooth connected

GPS is not connected with satellite

1. Fully charged.

2. Device power off 

1. Searching for GPS satellite signal

2. Device power off

1. GPS position is fixed 

2. Device power off 

Note

Before exporting the data to computer please turn off the power.

GNSS Support

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