EVO Max Series Visual Calibration Operation (2025.3.17)

1.

Visual Obstacle Avoidance Calibration Operation
● Test Environment: Hardware Installation
● Test Environment: Software Installation
● Visual Calibration Operation and Result Verification -- Front Visual Sensor
● Visual Calibration Operation and Result Verification -- Other Visual Sensor

2.

Front Visual Camera
Bottom Visual Camera

3.

Top Visual Camera/Sensor
Rear Visual Camera/Sensor

4.

General Process
Install the hardware
environment.
Install the software
environment.
Perform calibration
for Front Visual
Sensor
Verify calibration
Result
Perform calibration
for Rear Visual
Sensor
Verify calibration
Result
Perform calibration
for Bottom Visual
Sensor
Verify calibration
Result
Perform calibration
for Top Visual
Sensor
Verify calibration
Result

5.

Hardware Installation
2. Set up the environment.
If the environment space is enough as below.
Visual
Calibration board
0.3 to 1 meter
5 meters

6.

Hardware Installation
2. Set up the environment.
If the environment space is not enough, please make use of a mirror as
below.
Visual
Calibration board
0.3 to 1 meter
2.5 meters

7.

Software Installation
1. Download and release the software package in C drive. The file path name should have no blank.

8.

Software Installation
2. Install the driver.
Enter the win10 driver folder and select [RNDIS.inf].
Right click and select [Install].

9.

Software Installation
3. Right click [vcredist2015_2017_2019_x64.exe] to install vcredist.

10.

Software installation
4. Switch the aircraft mode:
1) Format the SD card (FAT32 or exFAT format).
2.1) Check if the [File name extensions] is clicked, put an empty file named [usb2net] in the SD card.
2.2) If the [File name extensions] is not clicked, put an empty file named [usb2net.txt] in the SD card.
3) Insert the SD card into the aircraft one minute
after powering on the aircraft.

11.

Software Installation
5.1 Turn off the firewall and set IP for [Windows 10] system.
1) Turn off the firewall: Disconnect the internet connection. Go to Control Panel\System and Security\Windows
Defender Firewall\Customize Settings as below.

12.

Software Installation
5.1 Turn off the firewall and set IP for [Windows 10] system.
2) Set IP: go to Control Panel\Network and Internet\Network and Sharing Center – Click [Change adapter settings].

13.

Software Installation
5.1 Turn off the firewall and set IP for [Windows 10] system.
3) Connect the aircraft and PC with A to C cable. Wait 30 seconds and there will appear two Ethernets.

14.

Software Installation
5.1 Turn off the firewall and set IP for [Windows 10] system.
4) Disable one Ethernet and set IP for the other Ethernet.
Disable one
Ethernet.
Set the IP for the
other Ethernet.

15.

Software Installation
5.1 Turn off the firewall and set IP for [Windows 10] system.
5) Set the IP for the other Ethernet. Please input IP as 192.168.1.x or 192,168.2.x or 192.168.3.x manually. X can be
the number ranging from 0 to 254, except 1 and 11. Then click [Subnet] and there will appear 255.255.255.0. Finally
click [OK].
Input IP address and Click
[Subnet mask].

16.

Software Installation
5.2 Turn off the firewall and set IP for [Windows 11] system.
1) Turn off the firewall: Disconnect the internet connection. Go to [More Wi-Fi settings] – [Network & internet] – turn
off the firewall as below.

17.

Software Installation
5.2 Turn off the firewall and set IP for [Windows 11] system.
2) Set IP: Connect the aircraft and PC. Wait 30 seconds and there will appear two Ethernets as below.

18.

Software Installation
5.2 Turn off the firewall and set IP for [Windows 11] system.
3) Disable one Ethernet and set IP for the other Ethernet.
Disable one
Ethernet.
Set the IP for the
other Ethernet.

19.

Software Installation
5.2 Turn off the firewall and set IP for [Windows 11] system.
4) Set the IP for the other Ethernet. Please input IP as 192.168.1.x or 192,168.2.x or 192.168.3.x manually. X can be
the number ranging from 0 to 254, except 1 and 11. Then click [Subnet] and there will appear 255.255.255.0. Finally
click [OK].
Input IP address and Click
[Subnet mask].

20.

Software Installation
6. Click the [aro.bat] to run the software. Press any key to continue.
Press any key to continue.

21.

Software Installation
7. If there is error message like below, please switch to disable the other Ethernet and set IP for other one.
Set IP for this
Ethernet.
Disable this
Ethernet.

22.

Software Installation
8. Enter into the main interface of the software. Software installation is completed.

23.

Visual Calibration Operation and Result Verification
Front Visual
Sensor

24.

General Process – Front Visual Sensor
Select options in
Software.
The calibration board faces
towards the visual camera
at required position.
Tap [Space] bar in
keyboard to take photo
for each required
position.
● Note : During the process of taking a set of 35 calibration photos, the drone should not be moved.
● General Operation guidance video :
https://drive.google.com/file/d/1aDpaljcWrm3SR2HF4LNLI51SdeonbvWO/view?usp=drive_link
1 The board is
hold at required
position.
2 Tap [Space]
bar to take photo.
There are 35
positions so 35
photos are required.

25.

Visual Calibration Operation – Front Visual Sensor
1. Select [Calibrate] options and its Folder.
1
2
Sensor to
calibrate
Option to
choose
Folder to
choose
Result
Verification
Front Visual
Sensor
Stereo Head
Head
1
Rear Visual
Sensor
Stereo Rear
Rear
2
BottomVisua
l Sensor
Stereo
Bottom
Bottom
3
Top Visual
Sensor
Stereo Top
Top
6

26.

Visual Calibration Operation – Front Visual Sensor
2. Capture 35 Photos.
2.1 Important points to note when taking 35 photos.
1) Calibration board effective area: Make sure that the effective area within the Black rectangle area is
unobstructed and clean.

27.

Visual Calibration Operation – Front Visual Sensor
2.1 Important points to note when taking 35 photos.
2) Image check: Before starting calibration, please confirm that the left and right images of the two pictures in
rectangle have the same clarity and horional.

28.

Visual Calibration Operation – Front Visual Sensor
2.1 Important points to note when taking 35 photos.
3) Operation tips: Each time you tap the [Space] bar in keyboard, a photo is automatically taken. You can check
how many photos have been taken from the number of [SaveHEAD] as below.
If you want exit or re-enter the calibration step, please press the letter [Q] in keyboard.

29.

Visual Calibration Operation – Front Visual Sensor
2.2 How to capture 35 Photos. Picture Group 1-9.
● Picture 1 : The board, short side facing down, nearly occupies the full screen,
centered.
Nearly full screen
Nearly full screen
Long side
Long side
1. png
Short side
Short side

30.

Visual Calibration Operation – Front Visual Sensor
2.2 How to capture 35 Photos. Picture Group 1-9.
● P2 - P5 : The board, short side facing down, occupies nearly full screen, tilted at 15°- 25°, 45°. Do it
by holding the calibration board upward and downward respectively. Do it as much similar as below
pictures.
Nearly full screen
2. png
3. png
4. png
5. png
Hold the board upward
and tilt it at 15° - 25°.
Upward and tilt it at
45°.
Downward and tilt it at
15° - 25°.
Downward and tilt it at
45°.

31.

Visual Calibration Operation – Front Visual Sensor
2.2 How to capture 35 Photos. Picture Group 1-9.
● P6 - P9 : The board, short side facing down, occupies nearly full screen, tilted at 15°-25°, 45°. Do it
by holding the board leftward and rightward respectively. Do it as much similar as below pictures.
6. png
Hold up the board
leftward and tilt it at
15° - 25°.
7. png
8. png
9. png
Leftward and tilt it at
45°.
Rightward and tilt it at
15° - 25°.
Rightward and tilt it at
45°.

32.

Visual Calibration Operation – Front Visual Sensor
2.3 How to capture 35 Photos. Picture Group 10-18.
● Picture 10 : The board, diagonally facing down, nearly occupies full screen, centered.
10. png

33.

Visual Calibration Operation – Front Visual Sensor
2.3 How to capture 35 Photos. Picture Group 10-18.
● P11 – P14 : The board, diagonally facing down, nearly occupies full screen, tilted at 15°-25°, 45°. Do it
by holding the board upward and downward respectively. Do it as much similar as below pictures.
11. png
12. png
13. png
14. png
Hold the board upward
and tilt it at 15° - 25°.
Upward and tilt it at
45°.
Downward and tilt it at
15° - 25°.
Downward and tilt it at
45°.

34.

Visual Calibration Operation – Front Visual Sensor
2.3 How to capture 35 Photos. Picture Group 10-18.
● P15 – P18: The board, diagonally facing down, nearly occupies full screen, tilted at 15°-25°, 45°. Do it
by holding the board leftward and rightward respectively. Do it as much similar as below pictures.
15. png
16. png
17. png
18. png
Hold up the board
leftward and tilt it at
15° - 25°.
Leftward and tilt at 45°.
Rightward and tilt it at
15° - 25°.
Rightward and tilt at 45°.

35.

Visual Calibration Operation – Front Visual Sensor
2.4 How to capture 35 Photos. Picture Group 19-27.
● Picture 19 : The board, short side facing down, occupies 60% of the screen.
60% of the screen
19. png
60% of the screen

36.

Visual Calibration Operation – Front Visual Sensor
2.4 How to capture 35 Photos. Picture Group 19-27.
● P20 – P23 : The board, short side facing down, nearly occupies 60% of the screen, tilted at 15°-25°,
45°. Do it by holding the board upward and downward respectively. Do it as much similar as below
pictures.
20. png
Hold the board upward
and tilt it at 15° - 25°.
21. png
Upward and tilt it at
45°.
22. png
23. png
Downward and tilt it at
15° - 25°.
Downward and tilt it at
45°.

37.

Visual Calibration Operation – Front Visual Sensor
2.4 How to capture 35 Photos. Picture Group 19-27.
● P24 – P27 : The board, short side facing down, occupies nearly 60% of the screen, tilted at 15°25°, 45°. Do it by holding the board leftward and rightward respectively. Do it as much similar as
below pictures.
24. png
Hold up the board
leftward and tilt it at
15° - 25°.
25. png
Leftward and tilt it at
45°.
26. png
27. png
Rightward and tilt it at
15° - 25°.
Rightward and tilt it at
45°.

38.

Visual Calibration Operation – Front Visual Sensor
2.5 How to capture 35 Photos. Picture Group 28-35.
● P28 – P31 : The board, short side facing down, nearly occupies 25% of the screen, tilted at 15°-25°,
45°. Do it by holding the calibration board on top-left and top-right respectively. Do it as much similar
as below pictures.
28. png
Hold the board top-left
and tilt it at 15° - 25°.
29. png
Top-left and tilt it at
45°.
30. png
31. png
Top-right and tilt it at 15°
- 25°.
Top-right and tilt it at
45°.

39.

Visual Calibration Operation – Front Visual Sensor
2.5 How to capture 35 Photos. Picture Group 28-35.
● P32 – P35 : The board, short side facing down, nearly occupies 25% of the screen, tilted at 15°-25°,
45°. Do it by holding the calibration board on bottom-right and bottom-left respectively. Do it as much
similar as below pictures.
32. png
Hold up the board
bottom-right and tilt it
at 15° - 25°.
33. png
34. png
35. png
Bottom-right and tilt it at
45°.
Bottom-left and tilt it at
15° - 25°.
Bottom-left and tilt it at
45°.

40.

Visual Calibration Operation – Front Visual Sensor
3. After taking 35 photos, wait the system to automatically finish the calibration.
There will prompt [Calibration done] and then click [OK].

41.

Result Verification -- Front Visual Sensor
1. Select [Stereo All] and its corresponding Folder.
2
1
Sensor to
calibrate
Option to
choose
Folder to
choose
Result
Verification
Front Visual
Sensor
Stereo All
Head
1
Rear Visual
Sensor
Stereo All
Rear
2
BottomVisua
l Sensor
Stereo All
Bottom
3
Top Visual
Sensor
Stereo All
Top
6

42.

Result Verification -- Front Visual Sensor
2. Type the number [1] in keyboard for front visual sensor.
3 Type the number
[1] in keyboard.
Sensor to
calibrate
Option to
choose
Folder to
choose
Result
Verification
Front Visual
Sensor
Stereo Head
Head
1
Rear Visual
Sensor
Stereo Rear
Rear
2
BottomVisua
l Sensor
Stereo
Bottom
Bottom
3
Top Visual
Sensor
Stereo Top
Top
6

43.

Result Verification -- Front Visual Sensor
3.
Keep the distance between visual camera and cloud paper as 5 meters. Check the figure of “center”.
Result from 4.50 - 5.50 meters is acceptable.
If the result is not within 4.50 -5.50 meters, please do the visual calibration of that sensor again.
5.00

44.

Visual Calibration Operation and Result Verification
Other Visual Sensor

45.

Visual Calibration Operation and Result Verification – Other Visual Sensors
For rear, bottom and top visual sensor, please do the similar
operation and result verification as Front Visual Sensor.
Sensor to
calibrate
Option to
choose
Board
direction
1. The rear, bottom and top visual camera should face
towards the calibration board respectively when visual
calibration is performed.
Folder
to
choose
Result
Verificatio
n
Front Visual
Sensor
Stereo Head
Head
Short side
down
1
2. Select the corresponding options as the table on the
right.
Rear Visual
Sensor
Stereo Rear
Rear
Short side
down
2
3. For bottom and top visual sensor (fish eye), please hold
the board with long side down as the next page shown.
BottomVisual
Sensor
Stereo
Bottom
Bottom
Long side
down
3
4. For bottom and top visual sensor (fish eye), the screen
shown in computer is a circle as the next page shown.
Top Visual
Sensor
Stereo Top
Top
Long side
down
6
Main differences :

46.

Visual Calibration Operation and Result Verification – Other Visual Sensors
● For bottom and top visual sensor (fish eye) calibration :
Long side down.
The screen is a circle.
Short side
Long side

47.

Visual Calibration Operation and Result Verification – Other Visual Sensors
Front
Visual
Camera
Rear
Visual
Camera

48.

Visual Calibration Operation and Result Verification – Other Visual Sensors
Top
Visual
Camera
(fish
eye)
Bottom
Visual
Camera
(fish
eye)

49.

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