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BT-Q818XT Quick Installation Guide
A. Standard Package(1) GPS Unit BT-Q818XT (2) Lithium-ION Rechargeable Battery (3)mini USB Cable (4) Cigarette Adapter + Warranty Card
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B. Appearance
1.
2.
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5.
6.

Power jack (mini USB type)
Power switch (Off/1Hz/10Hz)
Battery status LED (Red/Green)
Bluetooth status LED (Blue)GPS status LED (Orange)
Internal antenna……………………………………………………………………………………………………………………………………………………………………………………….

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C. Battery installation
C-1 Put Battery in place: Press the PUSH button on the bottom sideof the unit (1) and pull out the battery cover. Insert battery in theunit (2) and put battery cover on to the cabinet (3), then push down
and force it forward to fit firmly (4).
C-2 Take Battery out: Press the PUSH button on the bottom side of
the unit (1) and pull out the battery cover (2). Then take out thebattery from the unit (3).

D. Charging your battery
For the first time using theBT-Q818XT, please charge battery
until it is fully charged. Take thepower cable and connect it to thepower jack (mini USB type) andrecharge through travel charger or
car cigarette adaptor. This will begin to charge the battery. Charging
time is 3 hour typically.
- When the Power LED is Red, battery power is low status. Pleaserecharge.
- When the Power LED is Green, the battery is under charging mode.
- When the Power LED is off, the battery is fully charged.
*Charge Input Voltage: DC 5V
Caution: Risk of explosion if Battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.

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E. Start to use
E-1 Getting satellite fix with Q818XTQ818XT is built in GPS module which needs to be used in outdoorenvironment. When switch on your Q818XT, the GPS will start toacquire the satellites position. Once the GPS position is fixed, GPSLED will be flashing.
E-2 Activate the Bluetooth function in your Smart phone or PC
Before activating the Bluetooth function in your Smart Phone/PC,
please switch on BT-Q818XT Receiver for paring and make sure yourdevice is equipped with Bluetooth function.
NOTE: The code is “0000” if required for the pairing in the first time.
E-3 Automatically create a shortcut in Bluetooth Manager window
After the pairing complete, the system will then find a quick connect
device “Qstarz 818XT” in Bluetooth Manager. In further use, you justneed to click it to connect to this Bluetooth GPS Receiver.
E-4 Check the Serial Port in Bluetooth Setting
After complete pairing with the Receiver, please click “Serial Port” toconfirm the assigned COM port. If you use PC to pair the GPS
Receiver, please check “Outbound COM port”.
E-5 Activate G-Mouse function via USB connection
1. Install the USB Driver (http://www.qstarz.com/download.php /https://qws.qstarz.com/Web/DownloadIndex_BTQ.php )2. Connect BT-Q818XT with your PC
3. Check the COM port no. your PC is assigned for BT-Q818XT
Go to <Start> \ <Settings> \ <Panel Control> \ <Performance andMaintenance> \ <System> and Select <Hardware> tab and then click<Device Manager>. Expand the <Ports (COM & LPT)> and check “GPSUSB Serial Interface Driver” to see which COM port is for BT-Q818XT.
E-6 Set correct Serial Port in your map software
Activate your navigation software and make sure to select thecorrect “Serial Port”.
E-7 Switch off the Bluetooth function……………………………………………………………………………………………………………………………………………………………………………………….

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Switch off GPS function in your Smart phone/PC, then the Bluetoothconnection will be disconnected automatically. Then put BT-Q818XT
power switch to “OFF” position.

F. Register your productRegister your Qstarz product to get the latest news, software update,
event, and product information.
http://www.qstarz.com/reg.php

G. OTHERS
G-1 LED IndicatorsLED Status
Power(Red/Green)FlashONOFF

Low Power (Red)Recharging(Green)Fully
chargedBluetooth(Blue)

Flash per 2 sec.:
Bluetooth connected
and transmitting Mode
Flash per 5 sec.: Powersaving modeNot
connected/Pairing

GPS not
powered

GPS(Orange)

GPS position is fixed,
Navigation

DetectingSatellite,
GPSposition
not fix

GPS not
powered

G-2 GPS Features
1. Baud Rate: 115,200 bps / Datum: WGS-84; Hot/Warm/Cold Start:
1/33/35 sec. (averaged)
2. 66-channel Bluetooth GPS Receiver with super high sensitivity at-165dBm
3. Bluetooth Version: V1.2 / SPP profile / Class 2 with 10 meters inopen space.........................................................................................................................................................................................

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4. Max. Output power: -1.01dBm / Frequency band: 2.4~2.4835 GHz
5. Low power consumption, built-in rechargeable Lithium battery (upto 42 hrs after fully charged)
6. Size: 72.2 (L) X 46.5 (W) X 20 (H) mm / Weight: 64.7g (batteryincluded)
RF Exposure information – CE
This device meets the EU requirements (2014/53/EU) on thelimitation of exposure of the general public to electromagnetic fields
by way of health protection.

H. Trouble Shooting
Problems
No position
output but
timer iscounting
Can not turnon theCOM port
Can not findout
BT-Q818XTNo Signal

No Signal

Reasons
Weak or no GPS signal canbe received at the place of
BT-Q818XT

Methods
Find an open spacefor your BT-Q818XT

Install BT-Q818XT
incompletely or the COM
port of the device is being
used
Poor connection

Install BT-Q818XT
completely or stopother device that isbeing used.
Re-Start Smartphone / PC andre-install software.
Close the applicationand execute it again
to re-open the COMport.

No action for few minutes
may cause the Pocket PC
enter power saving mode.
It may close the COM port
at the same time.
Weak or no GPS signal
when using BT-Q818XTindoor

Go outdoors toimprove the poor
GPS signal.

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5Federal Communications Commission Interference Statement
This device complies with Part 15 of the FCC Rules. Operation issubject 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.
This equipment has been tested and found to comply with the limits
for a class B digital devices, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is noguarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio ortelevision reception, which can be determined by turning theequipment off and on, the user is encouraged to try to correct theinterference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different fromthat to which the receiver is connected.
Consult the dealer or service representative for help.

CAUTION:Any changes or modifications are not expressly approved by thegrantee of this device could void the user’s authority to operate theequipment.
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