EAVISION EA-20X User manual

Eavision Agricultural Automatic Sprayer
User Manual
V2.1 / 2022.06
EA-20X

1
Table of Contents
Product overview........................................................................................................................................................ 2
Disclaimer.................................................................................................................................................................... 3
Aircraft system composition.................................................................................................................................. 4
Technical parameters ................................................................................................................................................ 5
Remote control............................................................................................................................................................ 8
Remote control parts........................................................................................................................................ 9
Remote control ports ...................................................................................................................................... 10
Remote control operation..............................................................................................................................11
Operating the aircraft..................................................................................................................................12
Linking................................................................................................................................................................ 13
Operation control ............................................................................................................................................ 13
Remote control indicator..............................................................................................................................14
Notice.................................................................................................................................................................. 14
Checklist before use .............................................................................................................................................. 15
1. Check whether the equipment is complete before operation....................................................... 15
2. Check aircraft ............................................................................................................................................ 15
3. Check the battery...................................................................................................................................... 15
4. Check the surveying tool........................................................................................................................15
5. Check the mobile base station (local mode)................................................................................... 15
Operating instructions.......................................................................................................................................... 16
Maintenance instructions...................................................................................................................................... 18
Battery maintenance and precautions................................................................................................................19
List of dangers and hazards................................................................................................................................20
Fault handling instructions................................................................................................................................21
Warranty...................................................................................................................................................................... 23
Nameplate .................................................................................................................................................................... 25
Appendix I.................................................................................................................................................................. 26

2
Product overview
The EA-20X series of low-altitude all-area detection plant protection drones are the multi-rotor plant
protection drones launched by Suzhou EAVISION Robotics Technologies Co., Ltd. Build upon the company’
s industry-leading binocular vision technology, the drone can complete plant protection services for
various terrains and crops. Listed below are the product functions:
Autonomous obstacle avoidance means there is no need for users to map specific obstacles. The
drone is capable of autonomous operation, with built in obstacle avoidance technologies.
Intelligent capabilities, which can meet the plant protection needs of different crops in
complex terrain environments such as plains, hills, mountains, and wetlands.
Quick route planning. For areas with clear boundaries, users can manually determine plot
boundaries without performing point-by-point surveying and mapping, which improves surveying
and mapping efficiency.
Precise positioning, support centimeter-level positioning, and the flight control system
includes RTK components.
Precise spraying technologies on the drone automatically adjust liquid flow according to the
amount designated by the user to achieve intelligent spraying control.
The all-terrain version can customize the nozzle. The operation requirements of field and
economic crops are different, and the operator can choose centrifugal or mist nozzle according
to the specific situation;
The drones are convenient for transportation and feature a foldable design where the arms and
propellers can be folded in reducing the space occupied by the drone and facilitating storage
and transportation.
Intelligent controls allow the drone to take off, hover, and return with a single press, no
user intervention is required during flight with the drone operating at a high autonomous degree.
New users can expect to understand flight controls in half an hour which greatly reduces the
dependence of drones on professional pilots.
Flight safety, after the differential signal is lost, the drone can maintain safe and autonomous
flight for 1 minute, the crash rate is far lower than the industry average, and the safety
is high;
Data management, supporting a complete agricultural data management system to help improve
the efficiency of operation management and improve economic value;
The drone’s complimentary smart battery supports 3C fast charging options with
self-maintenance capabilities making charging and maintenance step efficient and quick.

3
Disclaimer
Thank you for choosing EAVISION EA-20X series of autonomous plant protection drones developed and
manufactured by Suzhou EAVISION Robot Technologies Co., Ltd. (hereinafter referred to as "EAVISION
Technologies").
All users should familiarize themselves with the operation and maintenance of EAVISION produced
equipment. Please be sure to carefully read and abide by the relevant requirements of this manual,
and at the same time operate in strict accordance with the operating requirements in the actual
operation process and perform maintenance in accordance with the requirements in a timely and thorough
manner.
Please read this statement carefully before using this product. Once the product is used, it is deemed
to be an acknowledgement and acceptance of the entire contents of this statement. This product is
not intended for use by persons under the age of 18. Before using this product, please accept the
formal training of EAVISION Technologies and obtain the relevant qualifications and certificates.
In the process of using the product, the user acknowledges to be responsible for their own behavior
and all consequences arising therefrom.
EAVISION Technologies shall not be liable for all losses caused by the user's failure to use the product
in accordance with this document, and shall not be liable for any indirect, consequential, punitive,
incidental, special or penal damages. The user undertakes the use of this product only for legitimate
purposes and agrees to abide by these terms and any relevant policies or guidelines formulated by
EAVISION Technologies.
The performance of this product relies on the original parts manufactured and supplied by EAVISION
Technologies. EAVISION Technologies does not assume any legal responsibility for any loss or injury
caused by not using original parts and accessories.
This drone is a controlled aircraft. Please read the relevant regulations of the national drone
management regulations and local airspace control regulations carefully before use. Once you use this
product, it is deemed that you have read the relevant regulations and documents, and EAVISION
Technologies is not responsible for any relevant legal responsibilities arising from the use of this
product in violation of laws and regulations. According to relevant national laws and regulations,
the owners of civil drones (maximum take-off weight ≥ 250g) need to log in to the "aircraft real-name
registration system" for real-name registration, otherwise they will be punished by the regulatory
authorities. Registration website: https://uas.caac.gov.cn
During use, please ensure that the power supply system and the arm deployment mechanism are in the
correct position and keep the aircraft away from crowds and dangerous objects. It is strictly forbidden
for pilots to operate the aircraft under the influence of alcohol, drugs, anesthetics and when feeling
dizziness, fatigue and other debilitating physical or mental conditions. New pilots who have not
completed sufficient flight training are not allowed to operate the aircraft alone outside the training
grounds. Do not fly in severe weather conditions, such as rain and snow, sleet, and strong winds (gale
winds of level 5 and above). When flying at speeds higher than 6 m/s, it is not recommended to use

4
the obstacle avoidance function, there is a risk of collision, and the user must bear the risk of
collision and loss. Try not to fly in areas where magnetic field interference is likely, or in radio
interference areas (such as high-voltage towers, large power equipment, radio and television
transmission towers, mobile phone base stations, etc.). If operation of the drone is necessary, it
is pertinent to ensure that no idle person is within 200 meters of the operating area. EAVISION
Technologies is not responsible for any product damage, equipment damage and/or personal injury caused
thereby. This statement has important implications for the safe use of this product and your legal
rights. Suzhou EAVISION Robot Technologies Co., Ltd. reserves the right to update this disclaimer,
thank you again for choosing EAVISION.
The EA-20X series of global perception plant protection drones are equipped with binocular vision
sensors, as well as distance sensors and height sensors, which can observe obstacles ahead in real
time, and select the optimal path to avoid obstacles through intelligent algorithms and real-time
smart route planning to achieve accurate and efficient flight paths. This product uses GPS/RTK
positioning technology to achieve centimeter-level high-precision maneuvers. The components of this
Aircraft system composition
aircraft system are listed as follows:
Note: The propellers on the drone rotate at extremely high speeds when the drone is in
operation, which present as safety hazards. Do not get close to the propellers and motors
during on-ground and in-flight operations. This product is not intended for use by any
person under the age of 18.

5
Technical parameters
Aircraft
Wheelbase
1070 mm @ Front and rear power
axles
1330 mm @ Left and right power
axles
Bare Frame Weight
24.55 kg(Standard Model)
25.25 kg(All-Terrain Model)
Dimensions (without propellers)
1430*1170*510 mm
Arm Lengths
506 mm
Folded Aircraft Dimensions
960*620*510 mm
Spraying Nozzle
Liquid Container
15L/20 L
Minimum Operation Height
0.7 m(Centrifugal)
1.2 m(Mist)
Number of Nozzles
2 Nozzles

6
Liquid Atomization
10-100 μm
Liquid Flow
400 ~3500 ml/min
Fan
4~5 m
Battery
Suitable for this drone
EAVISION EA2020, EA-20X
Battery Type
Lithium Ion Battery 13S
Voltage
48.75 V
Energy Output
975 Wh
Weight
Around 6.75 Kg
Discharge Ambient Temperature Range
3℃~55℃
Ambient Temperature Range for Charging
3℃~55℃
Average Charge Duration
18 min
Charger
Charger model
JM-C1-5000W
Compatible battery model
JM1-20000mAh-48.75V
Input voltage/frequency
90-264 VAC/50-60 Hz
Charging voltage
55.9 V
Output Voltage
30~55.9 VDC
Charger Weight
Around 12 Kg
Working Temperature Range
-5℃~50℃
Charger Control
Outer Shell Dimensions
92.5*78.1*32.8 mm
Extension Cable Length
60 cm
Working Distance for Bluetooth Connections
<5 m
Generator
Dimensions
500*425*545 mm
Weight
39.5 kg
Charging Time
19-24 min
Power Output
56.5 V
45 A
Charging Power
5000 W

7
Fuel Tank Capacity
15 L
Engine Output
236 CC
Maximum Engine Power
6000 W
Engine Speed
3700 RPM
Fuel Type
#92 Petrol
Oil Type
SE15W-30W
Fuel Consumption
≤0.50 L/KW
Remote control
Dimensions (Not including handles and
antenna)
189*138*41mm
Operation Frequency
5.8 G
Transmission Distance
1.2KM
Battery Capacity
10200 mAh
Surveying tool
Dimensions
171 * 63 * 55 mm (Not include
extension rod)
Battery Life
>8 h
Waterproof Level
IP65
Extension Rod Length
500 mm*4
Signal
GPS/BeiDou/GLONASS

8
Remote control
Overview
EAVISION remote control adopts new advanced high-definition image transmission communication
technology, with adaptive frequency band, which can automatically select the working frequency band
with the lowest interference. The remote control is equipped with omnidirectional antennas as standard,
and the image transmission and control distance can reach 1.2 to 1.8 kilometers. It carries Qualcomm
Snapdragon 8-core CPU, which can decode 1080p @ 60fps video stream by hardware in both H.264 and H.265
format. The CPU’s powerful computational performance lowers image transmission and display latency
to 180ms.
The remote control integrates a 5.5-inch 1920*1080 high-definition display with a maximum screen
brightness of 1000cd/m2, nearly twice that of a common smartphone, and is clearly visible in direct
sunlight.

9
Remote control parts
1. Antenna
Transmit aircraft control signals and image
transmission signals
8. 3-Gear Switch
GPS mode/free mode
2. Centering Dial (customizable)
9. Joystick
Control the flight direction of the aircraft
3. 3-Gear Switch
Manual/automatic control
10. Power
Turn on/off the remote control, display the
battery level
4. Joystick
Control the flight direction of the aircraft
11. Button (customizable)
5. Status Indicator
Displays the system status of the remote
control
12. 3-Gear Switch
Turn on/off forced spraying
6. Battery Level Indicator
Displays the current built-in battery level
of the remote control
13. Button (customizable)
7. Centering Dial (customizable)
14. Touchscreen
Built-in Android system, can directly run
EAVISION APP

10
Remote control ports
Overview - Transmitter Top Overview - Transmitter Bottom
1. Standard HDMI Port
External display, video output
5. TF Card Slot
External storage
2. 4P DATA Port
External RTK port
6. SIM Card Slot
Access to mobile network
3. USB-A Port
External U drive
7. 4P DATA Port
External RTK port
4. 1/4" Threaded Hole
Tripod position
8. Type-C Port
Charging port

11
Remote control operation
Power On/Off
1. When the remote control is off, short press the power button once, the battery indicator will light
up, if the battery is low, please charge it.
2. When the remote control is turned off, short press the power button for about 1 second, the battery
indicator lights up, then press and hold the power button for about 2 seconds. When the battery
indicators light up in sequence, the remote control is turned on.
3. When the remote control is turned on, press and hold the power button for about 2 seconds, a pop-up
window will appear on the screen. Touch the shutdown icon to turn off the remote control.
Screenshot: When the remote control is turned on, press and hold the power button for about
2 seconds, a pop-up window will appear on the screen. Touch the screenshot icon to take a
screenshot.
Lock Screen: When the remote control is turned on, short press the power button, the remote
control screen will turn off and enter the energy-saving mode.
It takes about 1 minute and 30 seconds for the MK15 remote control to start up when the drone
is powered on for the first time; During operation, it takes 30-35 seconds when the main battery
is replaced (if the secondary battery is not powered off).
Charging
The remote control only supports charging with the original standard adapter when it is turned off.
1. Use the Type-C fast charging cable to connect the remote control and the adapter.
2. If the charging indicator light is red, it is charging.
3. If the charging indicator turns green, the charging is complete.
The remote control cannot be charged with the 5V adapter, please use the original fast charging
charger.
The remote control cannot be charged when it is turned on. Please make sure that the remote
control is turned off before charging.

12
Operating the aircraft
The joystick mode of the remote control can be changed in "System Settings" in "SIYI TX" APP.
The joystick mode is divided into mode 1 (Japanese standard), mode 2 (American standard) and mode
3 (Chinese standard), as shown in the following figure:

13
Linking
1. Enter "System Settings" in "SIYI TX" APP, find “Frequency” and click "Start".
2. The status indicator of the remote control will flash red quickly, and it will display “Linking”
on the screen.
3. Press and hold the link button of the receiver for 2 seconds, the receiver status indicator will
flash red quickly.
4. Wait for 5~10 seconds. When the linking is successful, the status indicators of the remote control
and the receiver will turn green.
Operation control
Manual/Auto Mode Switch
Move the 3-gear switch in the upper left corner of the remote control to the upper gear for
automatic flight, and to the lower gear for manual flight.
Forced Spraying
The three-gear switch below the power switch of the remote control is a forced spraying switch.
Turn it to the left gear to turn off spraying, and turn it to the right gear to turn on spraying.
FPV
Open "SIYI FPV" on the remote control to display the image transmission screen.

14
Remote control indicator
The status indicator of the remote control has different meanings by flashing three colors and
different flashing frequencies.
Indicator
Remote Control Status
Red light flashes quickly
Linking
Red-green-yellow flash alternately slowly
Image transmission is starting
Red-green-red-green-red flash alternately
Unexpected shutdown of Android system
Red light flashes slowly
Firmware does not match
Red light flashes three times
Image transmission initialization failed
Red light flashes four times
The remote needs to be calibrated
Yellow light flashes slowly
The power supply voltage of the remote control is
abnormal
Yellow light flashes twice
The remote control Bluetooth is not recognized
Red light keeps on
No communication with receiver
Yellow-red
Yellow-red-red
Yellow-red-red-red
Remote control temperature first level alarm
Remote control temperature second level alarm
Remote control temperature third level alarm
Green-red
Green-red-red
Green-red-red-red
Receiver temperature first level alarm
Receiver temperature second level alarm
Receiver temperature third level alarm
Green light keeps on, flashes
The faster the flashing speed, the worse the
signal
Notice
1.Do not use the remote control to control the aircraft in crowded places, places with many
obstacles, places with strong magnetic fields or signal interference sources, or other areas
that are likely to cause unnecessary economic losses or even personal injury.
2.When operation, please do not cover the remote control antenna or block signal transmission.
3.The top of the remote control antenna has the weakest signal transmission. When operation, avoid
pointing it to the aircraft.
4.When the aircraft motor is still running, please do not cut off the power of the remote control.
5.Before operation, please check the power of the remote control.

15
Checklist before use
1. Check whether the equipment is complete before operation
EA-20X aircraft
Remote control
Battery
Charging station
Surveying tool
Mobile base station
2. Check aircraft
Check whether the aircraft arm sleeve is properly tightened and whether the screws are securely
in place, especially the motor fixing screws and propeller fixing screws. If they are loose,
please reinforce by screwing the loose screws back in.
Check whether the aircraft landing gear. If it is bent or deformed, please replace it timely.
Check the camera lens, height sensor, and distance sensors for dirt, dust, damage, etc. If
there is a stain, you can use a clean towel, alcohol swab to wipe. If the lens or sensors
are damaged, please replace it urgently.
3. Check the battery
Check whether the battery power is sufficient before flight operations. We recommended the
battery be fully charge before takeoff.
Check whether the battery has been damaged by knocks, falls, bumps, or hard impacts. In case
of deformations or abnormalities, we forbid use of the damaged battery.
Check whether the battery interface is clean. If there are any foreign objects lodged in
crevices, please wipe them off one by one with an alcohol cotton swab or other clean wipes.
Keep the battery off for this step and avoid short circuiting the battery.
4. Check the surveying tool
Check the battery percentage of the surveying tool. If the battery level is less than two
bars, please charge it.
Check whether the antenna of the surveying tool is loose. Tighten if needed.
Keep the surface of the surveying tool antenna clean, otherwise it will affect signal strength.
5. Check the mobile base station (local mode)
Check the power level of the mobile base station to ensure that the remaining power is greater
than or equal to 3 bars.
Check the mobile base antenna, GPS feeder, and GPS antenna of the mobile base station to ensure
that they are intact and not damaged, and that the antenna screws are not loose.
Check the tripod to make sure that the stand is firm and there are no loose screws.

16
Operating instructions
1. The Smart AG App
Smart AG is an important software for controlling the aircraft. Its main functions include task
sending, route planning, spraying parameter settings, operation mode settings, flight parameter
settings, forwarding differential signals, and aircraft data interaction, etc. .
1) Download the App
The App works with Android systems.
Scan the QR code below to download the App.
Please check the version before using the App and update it if prompted.
2. The operation steps of Smart AG App are as follows:
a) Open Smart AG and login with your personal account.
b) Select the aircraft to be paired.
c) Press “pair” to link the drone.
d) When the drone is connected, select the base station mode
3. Connect the base station to either a mobile base station to perform operations.
1) Mobile base station connection (global offline model)
a. Select an open area, away from trees, obstacles, utility poles, high-voltage lines,
crowds, etc., and keep the tripod held at a vertical level
b. Make sure there are no obstacles near the inverted cone directly above the base station
antenna
c. Double check that the base of the tripod is secured into the ground and kept there
by solid and stable soil.
d. Affix the base station body on the tripod with screws
e. Turn on the power button, wait for 5 minutes, the blue indicator should flash, and
the base station should be fully functional.
Note:The signal coverage of the base station is 10km. Do not move the base station in any
way during flight operations.

17
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.

18
After the ESC emits three short, high pitched sounds, do a self-check and wait for the drone
to broadcast a ready to operate notice.
Plan routes, set parameters, and upload the information into the piloting program. Always
ensure that there is no one within 10 meters when the drone takes off.
7. Land
After the task is complete, the drone App will make a request to land, confirm the request
to initiate landing procedures. After a successful landing, the drone will deploy a “successful
landing notice”.
After the propellers have stopped, unplug the main battery.
Turn off the remote controller.
Put away the propellers and fold the arms securely.
The backup battery will automatically turn off in after 10 minutes.
8. Transport the aircraft
When transporting the aircraft to and from destinations, the arms and propellers should be
stowed away securely.
The vision sensors and cameras onboard the aircraft should be kept away from hard surfaces
and kept secured at all times.
Prevent the drone from shifting back and forth during bumpy and uneven journeys .
Note: We forbid lifting the protective front cover plate of the aircraft.
9. Pesticide Handling
The safety instructions provided by the pesticide manufacturer should be followed when handling
pesticides.
In order to ensure operational safety and peak performances, users should stay up to date on
maintenance requirements.
Maintenance instructions
1) Every 5-10 operations
Check whether the nozzle and/or pipes are blocked. Clean the filters if necessary.
Check whether the propeller screws are loose.
Check whether the drone arms are fully secured to the mainframe.
2) Every day
Clean the liquid container, nozzles, all the pipes, and wipe down the protective casing, arms
and propellers.
Wipe down the camera lenses, distance sensor, height sensor.
3) Weekly
Tighten the propeller screws, camera mounts, and motor screws accordingly.
Check the carbon fibre casing of the drone and replace parts if any cracks are found.
4) Monthly
Check whether the height sensor and distance sensor are connected and securely mounted to the
drone.
Check the entire drone for damage (look for wear and tear).
Check whether any part of the ESC is loose or corroded.

19
5) Recommended replacement time for specific parts
Water pump: We recommend that the cumulative max of 200 ha is when inspection and replacement
will become necessary.
Centrifugal nozzles: We recommend that the cumulative max of 200 ha is when inspection and
replacement will become necessary.
Mist nozzles: We recommend that the cumulative max of 267 ha is when inspection and replacement
will become necessary.
Battery maintenance and precautions
1) Maintenance:
The battery has its own self-maintenance function.
When the battery is fully charged and stored for more than 10 days, the battery will
automatically enter idle storage mode.
Don’t leave the battery idle for too long we recommend that batteries be charged every 3 months
minimum. Slowly charge to revive the battery after long storage times.
2) Notes:
Do not charge EAVISION smart batteries with unofficial chargers.
Do not use or store batteries near open flames, heat sources, flammable material, explosives,
or corrosive items.
Before installing or removing the battery from the drone, make sure the drone is powered off.
Make sure the battery itself is off before plugging it into the charger.
Do not dent or hit the battery.
Do not short-circuit the charging and discharging ports, and we strictly advise against using
wires or any metal contraptions to short the positive and negative ports of the battery.
Do not submerge in any liquid or let the battery get wet.
Users are prohibited from disassembling or repairing the battery in any way.
Keep the batteries away from low temperature or high temperatures for long periods of time.
Be conscious of the environment, do not discard used batteries at will, please contact the
manufacturer for professional disposal options.
Table of contents
Popular Paint Sprayer manuals by other brands

Graco
Graco ProShot 258865 Operation guide

Smithco
Smithco Sprayer Star 3180 SmarTrax MD installation manual

Akron
Akron FS100 Installation, operating, & maintenance instructions

IMC
IMC IMCNL-HD-PY02 Series Operation manual

DAL DEGAN
DAL DEGAN ARES 6 Instructions for the use

Raven
Raven AutoBoom installation manual

Silvan Selecta
Silvan Selecta Utepak 100L instruction manual

Fimco
Fimco LG-28-SS Assembly and operating instructions

Wylie
Wylie Defender 3 Pt Sprayer Operator's & parts manual

WALTHER PILOT
WALTHER PILOT GM 1030G Translation of the original operating manual

Graco
Graco C Series Instructions-parts list

Graco
Graco ALPHA 241619 Instructions-parts list