User's Manual

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4. Map and survey
The surveying tool is used to survey the desired operating boundaries to provide the aircraft with
more accurate boundary information, thus laying down a reliable ground map for any precision spraying
operation. The steps are as follows：
 Go to an open area and ensure that the GPS antenna is not obstructed. The GPS indicator
should always be on, and the device should search for satellite signals.
 Open the Surveying App and activate the Bluetooth on your phone to connect to the surveying
tool. When the Bluetooth indicator flashes slowly, the system is ready.
 Begin surveying.
5. Magnetic Compass Calibration
The magnetic compass reads geomagnetic information and assists the GPS to locate the aircraft,
which plays an important role in the flight accuracy and performance of the aircraft. However,
the magnetic compass is susceptible to interference from other electrical equipment, resulting
in magnetic interference. Interference will affect the drone’s precision instruments, flight
accuracy and may even cause flight accidents. Magnetic compass calibration is a very important
step, that if skipped will result in the system mot working properly.
1) Calibration Procedure
Do note commence compass calibration in areas with heavy magnetic interference.
Please select an open field or space for calibration.
Do not carry magnetic objects such as keys, mobile phones, etc. when calibrating.
Power on the drone, open the EAVISION App, and after pairing the drone enter the details of the drone
and click "Magnetic Compass Calibration". Follow through with compass calibration according to the
App prompts.
6. Turn on the aircraft
 Unfold the four arms of the aircraft, confirm that the arms are properly fastened to the drone
body and deploy the propellers.
 Put the filtered pesticides into the on-board liquid container and close the cover securely.
 Insert the main battery and switch on the battery to power up the drone.