Precautions Before First Flight

When you got Joyance drone(s), please read carefully Operation Manual & Operation Videos, and strictly obey the following steps to operate the drone(s).
PS:
Operation Manual is together with the drone in the case.
Operation Videos: http://www.joyancetech.com/html/sprayer/how-to-use/

Steps:
1. Download and install software.
PS:
Please ask our sales representative for the software.
Not necessary for ordinary customer, only for customers who buy optional Radio Telemetry, or skilled customers.
1) Driver Software:
Download and install it on computer/laptop.
With it, the Ground Station Software and Assistant Software can be used correctly.
2) Ground Station Software:
Download and install it on computer/laptop.
Connect radio telemetry to computer/laptop, open the GCS software and create flight plans.
3) Assistant Software:
Download and install it on computer/laptop.
a) Low Voltage Alert in Assistant Software is closed as default.
Precautions Before First Flight

You can turn it on if necessary.
Precautions Before First Flight
one battery drone(JT6L-606) low voltage alert: Level 1 is 22.2V, Level 2 is 21.7V.

Precautions Before First Flight
Two batteries drone low voltage alert: Level 1 is 44.4V, Level 2 is 44V.

b) Terrain Following Radar in Assistant Software is closed as default.
You can turn it on if necessary.
Precautions Before First Flight

c) A-key return set height 10M by default, you can change it if necessary.
d) The spray width and work speed can be changed according to different crops and situation.

DO NOT UPDATE at any time.
We choose the best version software for your drone model already.

2. Calibrate IMU and GPS before first flight.
When you got the drone(s), please calibrate IMU at first;
Precautions Before First Flight
IMU Calibration(english language)

Precautions Before First Flight
IMU Calibration(spanish language)

And then calibrate GPS;
When move to another field 500km away, please calibrate GPS again.
Precautions Before First Flight
GPS calibration(english language)

Precautions Before First Flight
GPS calibration(spanish language)

3. Full charge all the batteries before first flight.
We keep them in 3.85V per cell during delivery.
Charge drone battery by single-way charger or advanced four-way charger,
Practice drone battery and screen battery by B3 charger,
Futaba T8FG remote controler battery by relative charger(Manual Page 19-22).
If you won`t use the batteries for more than 1 week, please stock them in 3.85V per cell (at total 23.1V).
http://www.joyance.tech/html/sprayer/how-to-use/How-to-charge-batteries-of-FPV-screen.html
http://www.joyance.tech/html/sprayer/how-to-use/How-to-charge-batteries-of-drones.html
http://www.joyance.tech/html/sprayer/how-to-use/How-to-discharge-battery-of-drones.html

4. Unfold drone, fasten all the screws and confirm them to be tight, and check them every 3 flight.
Unfold GPS stand and fasten it,
Check the screws on the drone.
http://www.joyance.tech/html/sprayer/how-to-use/Unfold-the-sprayer-drone.html

5. Install all propellers correctly.

6. Turn on remote controller.

7. BB buzzer alarm voltage is 3.7 V as default, if not, please set it to 3.6-3.7V (Please refer to the manual on page 17)

Connect BB buzzer to battery/batteries and check the batteries are full charged before flight.
http://www.joyance.tech/html/sprayer/how-to-use/how-to-use-battery-buzzer.html

When low battery voltage(about 3.7V per cell, total 22.2V) the buzzer will keep alarm, then you need to fly the drone back(or land the drone)and change the batteries.

8. Connect BB buzzer to aircraft battery/batteries and plug in the batteries on the aircraft in sequence (manual page 27&28), if the sequence is wrong, it may burn the drone.
http://www.joyance.tech/html/sprayer/how-to-use/sequence-of-power-on-and-power-off.html

9. Wait the aircraft self-inspect and search satellite signal automatically, ensure GPS signal is more than 7 stars.

10. Take off in GPS mode, then fly in spray mode, and land in GPS mode.

Fly and spray operation:
A. For first flight, we advice you to test with no-load/empty tank, and connect the ground station software to record flying data (connect radio telemetry and open ground station software if you own, make sure it is connected, no need to plan route). And it will be better if can take a video of the first flight and feedback to us.
http://www.joyance.tech/html/sprayer/how-to-use/no-load-trial-flight.html
B. Fly with payload/full tank: follow 3-5 steps, fill water & pesticide, then follow 6-10 steps.
C. Fly with ground station software: follow 3-8 steps, connect radio telemetry to the computer/laptop, open Ground Station Software and create flight plans, upload and click “OK”, then click “execute”, unlock remote controller, push throttle to middle(50%), the aircraft will take off and fly automatically.
http://www.joyance.tech/html/sprayer/how-to-use/How-to-use-radio-telemetry.html
http://www.joyance.tech/html/sprayer/how-to-use/autonomous-flight-agriculture-drone.html

Other precautions:
1. Advice beginners to buy our practice drone together with sprayer drone, when you are familiar with practice drone, and then begin to operate sprayer drone.
2. In RTH process (one key return), the aircraft position can be adjusted by sticks on remote controller. (DO NOT touch the throttle stick in this process)
3. DO NOT update the “ASSISTANT” software and change default settings of the software without Joyance’s permission, it may affect the safety of your drone.
4. If you change new motor or new ESC, please do ESC calibration.
Precautions Before First Flight
ESC Calibration(one battery)

Precautions Before First Flight
ESC Calibration(two batteries)

5. If you change new remote controller, please do RC calibration.
Precautions Before First Flight
RC calibration(english language)

Precautions Before First Flight
RC calibration(spanish language)

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