Aquarobotman NEMO User manual

NEMO
User Manual V2.0

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Shenzhen Aquarobotman Innovative Technologies Co., Ltd.
Reading Suggestions
Recommendations
Users are advised to watch the video tutorial and read the DISCLAIMER before reading this manual.
Video Tutorial
Users can view the video tutorial via the link below to learn how to use the product correctly and safely.
http://bit.ly/Nemo_YouTube_Aquarobotman
Download the Aquarobotman App
Users can download the “Aquarobotman” App directly from the App store, or download it from our official
website: https://aquarobotman.com/pages/app-download-1
Notes: The App must be used together with Nemo underwater drone.

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目录
Reading Suggestions.......................................................................................................................................................2
Recommendations..................................................................................................................................................... 2
Video Tutorial.............................................................................................................................................................2
Download the Aquarobotman App............................................................................................................................2
Product Overview...........................................................................................................................................................5
Introduction............................................................................................................................................................... 5
Features......................................................................................................................................................................5
Modules Composition................................................................................................................................................ 5
Dynamic System......................................................................................................................................................... 8
Lighting System.......................................................................................................................................................... 8
Underwater drone Functions.....................................................................................................................................8
Smart Battery............................................................................................................................................................. 9
Wi-Fi base station.........................................................................................................................................................10
Introduction............................................................................................................................................................. 10
KEVLAR Signal Cable.................................................................................................................................................10
Wi-Fi Signal...............................................................................................................................................................10
Protection System.................................................................................................................................................... 10
Aquarobotman App......................................................................................................................................................11
Introduction............................................................................................................................................................. 11
Main Interface..........................................................................................................................................................11
Setting Interface.......................................................................................................................................................13
VR Interface..............................................................................................................................................................14
Help Interface...........................................................................................................................................................14
Preview Interface..................................................................................................................................................... 14
Operation Guide...........................................................................................................................................................15
Installation................................................................................................................................................................15
App Operation..........................................................................................................................................................15
Controller Operation................................................................................................................................................21

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VR Control................................................................................................................................................................ 22
Video Download.......................................................................................................................................................24
Sensor Calibration.................................................................................................................................................... 29
Battery Charging.......................................................................................................................................................30
Backpack Usage........................................................................................................................................................30
Precautions...................................................................................................................................................................31
Usage Environment Requirements.......................................................................................................................... 31
Examination before Usage....................................................................................................................................... 31
Post-use Maintenance............................................................................................................................................. 31
Media Data Export................................................................................................................................................... 31
Appendix...................................................................................................................................................................... 33
Specifications........................................................................................................................................................... 33
After-sales and service warranty Information............................................................................................................. 35
Product return and exchange policy........................................................................................................................35
Warranty policy........................................................................................................................................................36

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Product Overview
The functions and features of Nemo drone and names of the various modules will be introduced in this
section.
Introduction
The Nemo underwater drone is equipped with 4K UHD camera and 4-duct stabilization system, making it
capable of shooting real-time, stabilized underwater footage of high definition. It can travel at up to 2m/s
underwater and continue to operate for 3 hours. The modular design makes the Nemo drone easy to carry
with and extends its battery life much longer.
Features
1. High Resolution 4K Lens. Nemo drone supports up to 4K video shooting and 16-megapixel photography.
The video recording can be up to 120 frames per second. Together with QAS-Balance system, Nemo
drone makes it possible to capture dynamic pictures of high quality.
2. QAS- Balance System. The 4-thruster design and the independently developed control system allow the
Nemo to travel underwater with great stability to take stable videos and photos.
3. Detachable Battery Design. The drone battery is removable; the twist cap on the outer casing of the
Nemo drone opens the battery compartment. The drone battery can be replaced with another one
when it runs out of power. The battery for the Reel with Wi-Fi Base Station can be replaced also
independently.
4. Multiple Experience Methods. Multiple operating methods are available including using the mobile
App, VR headsets and game controllers. The app control interface is easy to learn and use. Under VR
somatosensory mode, the game controllers can be used simultaneously with VR headsets to control the
drone. Except to be controlled by the controllers, the drone will also move in sync with the head
movements under VR, to obtain a realistic experience.
Modules Composition
The component modules will be introduced and described in this section. For details on the specifications
and parameters, please check the specification table in the appendix.
1. Main unit

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The front
The back
2. Nemo battery
3. Wi-Fi base station
4K UHD camera
Fill light
Propeller
Propeller
Propeller
Propeller
Signal cable installation base
Fill light
Protective rack
Battery compartment
Signal cable installation base
Protective rack
power button
Battery ejection switch
Battery compartment

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4. Wi-Fi base station battery
5. Nemo charger
6. Filter
7. Protective rack
KEVLAR Zero Buoyancy signal Cable
Reel arm
Wi-Fi base station

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Dynamic System
The dynamic system of the drone is mainly formed by a 4-duct propeller system which is composed of 2
horizontal + 2 vertical propellers, provides the drone with power needed for underwater movements and
makes it flexible for various maneuvers of submerging, floating, moving forwards or backwards and
steering. The propeller consists of motor and propeller blades. With anti-corrosive motors of customized
professional waterproof and self- designed propeller blades, the performance of the motor is increased to
its maximum potential.
Lighting System
The underwater drone adopts adjustable matrix low beam fill lights with a maximum brightness of 1000lm
to ensure high-quality pictures taken in a dim environment.
Suggestions: in the case of noon, sunny day or other scenarios when there is adequate illumination, the
light can be turned off to save battery. At night or in caves and deep waters where the illumination is weak,
the fill light should be turned on.
Underwater drone Functions
1. Depth Hold: under normal circumstances, the drone can be controlled and move in horizontal direction
with its current depth and pitch angle unchanged.
Notes: this function relies on the drone’s internal sensors. In some complex scenarios, such as when
there is strong magnetic field interference, the drone will be unable to operate regularly. In such
situations please leave the area to a safe place to use it.
2. Direction Hold: under normal circumstances, the drone can be controlled to submerge or float through
snorkeling throttle controller with its current fuselage direction unchanged.
3. The omnidirectional operation: this mode supports a multiple control mode and enables complex
maneuvers such as tilting upwards or downwards at large angles. This mode restricts the tilt angle of to
±45° and the speed of tilting is different under different speed level.
4. VR somatosensory operation: VR somatosensory control is supported, users can change the
perspective of the drone through head movements for immersive experience.
5. Smart Protection System: The built-in protection system can trigger corresponding protection for the
drone in case of unexpected abnormal situations during usage, to protect the drone from damage. The
service life of the drone shall be greatly extended.
1) Temperature protection: the normal operating temperature of the drone is -2°C-35°C. If the drone
detects an abnormal internal temperature, it will enter a protective state.
Two main reasons for abnormality:
a) Operating in high temperature waters.
b) The drone was turned on and exposed in the air for long time, and the internal temperature of
the drone got too high.
2) Humidity protection: when the drone detects too much humidity, it will take protective measures.

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Situation above shall not be found under normal operation. If it happens then the underwater
drone needs to be returned for repair.
Two main reasons for water seepage:
a) Dive to depth of more than 100 meters underwater.
b) The internal seal of the drone is broken or damaged.
3) Over-current protection: the protective measures can be triggered when the internal current is
too high.
Two main cases for abnormality:
a) Propeller is entangled and cannot rotate.
b) Internal failure of the drone causes short-circuit.
4) Low voltage protection: this protective feature will be triggered when the battery voltage falls too
low. When the voltage falls below 10%, there will be a notification on the app, and when the
voltage drops to 0%, the battery will automatically shut down and the underwater drone will be
unable to move. When this happens, the KAVLAR zero buoyancy cable can be used manually to
pull the drone back to the surface.
5) Motor protection: when the drone is unlocked and no control is performed, if the drone pitch or
roll angles is greater than 60 degrees, the motor will stop and enter a protection mode until both
angles are less than 60 degrees.
Smart Battery
As a standalone component, the drone battery has a built-in smart control to ensure safety. The battery has
the following features:
1. Load detection: before loading, the battery will be in sleep mode and will not discharge. Working only
begins after the battery has been connected to the underwater drone.
2. Battery self-checking: with battery installed, the drone will firstly do a self-check on the battery level to
see whether the power meets the boot requirement.
3. Battery short-circuit protection: when the battery detects short-circuit, the output will be cutoff to
protect the battery.
4. Over-current discharge protection: when there is an over-current during discharge, the output will be
cutoff to protect the battery and external circuits.
5. Battery storage: the battery can be stored short-term in any state. For long-term storage, please refer
to the User Manual of battery.

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Wi-Fi base station
This section introduces Wi-Fi base station, which works as a communication hub between the underwater
drone and the user terminal.
Introduction
The Wi-Fi Base Station is a hub for communication between underwater drone and the user terminal. It
consists of four parts including KEVLAR signal cable, battery, base station and reel. The battery is
detachable and of high capacity. Built-in Wi-Fi signal transmitter works to connect user’s mobile, transmit
the feedback signal of the drone and the control signal from the mobile App in real time, users can view the
status of the drone and control it through their mobile.
KEVLAR Signal Cable
The KEVLAR cable’s main function is for signal transmission. The cable has built-in reinforced KEVLAR fiber
and can withstand a maximum of 100kg of pulling force, also a safety rope under emergency. The cable
shows neutral buoyancy in freshwater and positive buoyancy in seawater.
Wi-Fi Signal
The 802.11a standard Wi-Fi is used, and the communication range is 50m in open areas.
Protection System
When the battery voltage is too low, the system will automatically cut off the power to protect the Wi-Fi
base station battery.

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Aquarobotman App
App interface and usage instructions will be introduced in this section .
Introduction
The Aquarobotman App is developed to work with Nemo drone to control its movements, setup the basic
camera parameters and check the status of Nemo drone. It can also be used to share photos and videos to
social networks.
Main Interface
1. Controller connection status
: indicates the controller’s connection status. A red icon with “×” means connection failure, a white icon
and a blue “√” means connection success, and a white icon means normal operation.
2. Underwater drone battery level
: battery level is shown in percentage. The icon will turn red when the battery level is low, there will be
a pop-up notification.
3. Wi-Fi Base Station battery level
: when the Wi-Fi Base Station battery level is low, the icon will turn red and there will be a pop-up
notification.
4. Underwater drone pitch angle
: real-time display of underwater drone pitch angle data.
5. Underwater drone working temperature
: indicates the underwater drone’s internal operating temperature instead of the water temperature.
6. Current water depth
: indicates the current water depth of the underwater drone in meters.
7. Camera shutter button
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: takes a single photo.
8. Long video button
: starts taking a long video, the button will turn red and the time can be seen on the left side of the
button. While taking the video, pressing the button again will end the video and the button will turn white
again.
9. Short video button
: press the button to start a short video which is 20-second long, and the red circle shows the time
recorded. The short video recording will be canceled if the button is pressed again before the video
completed. the video will be automatically stored to local storage once completed to be readily shared at
any time.
10. Snorkeling throttle lever
: press on the middle dot area and slide up and down to make the underwater drone either float upwards
or submerge downwards.
11. Show/hide menu column
: expands the secondary menu which includes help page, playback, VR mode, and settings. Press again
to hide.
12. Help menu
: press help to display the function descriptions of the each button.
13. Gallery preview
: preview all videos and photos taken by the underwater drone. Files can then be selected to be
downloaded to local storage or deleted.
14. VR mode
: enters VR mode where the interface splits into two screens, put your mobile into the VR headset for
use.
15. Settings
: provides related auxiliary settings including depth calibration, video resolution selection, version
number, etc.
16. Directional control panel
: the directorial control panel provides 360° omnidirectional control where the underwater drone can
move in any direction horizontally.
17. Quick toggle button
: to change the speed rate by sliding the button, the speed rate changed can be reflected by directional
control panel.
18. Hand-held compass direction
: displays the real-time direction of the mobile/table
19. Direction of the underwater drone relative to the mobile
: indicates direction of the underwater drone relative to the mobile/tablet.

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20. Lightning Control
: Slide the screen left and right to control the fill light switch and adjust the brightness of the fill light.
21. Underwater Mode
: W is the underwater image mode, and N is the normal image mode. Different image modes affect the
image quality of pictures, videos and documents transmitted, are applicable to different scenarios. The
users can compare images quality under both modes and choose a better one for higher-quality shooting.
Setting Interface
1. Sensor calibration
Horizontal calibration.
Place the underwater drone on a horizontal surface (floor, table or other horizontal surfaces) and click the
depth calibration button for depth calibration. It takes 30 seconds.
Compass calibration.
After pressing the compass calibration button, rotate the underwater drone 360° in the space (vertical 360°,
horizontal 360°, lateral reversal 360°) until the calibration completes. It takes 30 seconds.
2. Camera settings
Video resolution and camera settings can be configured here. For better experience more professional
settings are provided including video resolution, image pixels, photo quality, video quality, consecutive
mode, time-lapse, and video watermarking.
Calibration interface
Camera parameters
3. Status info
View current firmware version information. The drone’s internal humidity will also be displayed, which can
be used to detect whether where is any water leakage into the drone.
4. About us
To learn more, please visit us at our official website: https://aquarobotman.com/

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Status info
About us
VR Interface
Under VR mode the screen is presented in two parts. This mode supports somatosensory operation, which
makes it easier for users with VR headsets to view underwater sceneries. The head position of users
controls the drone’s real-time viewing angle which brings a strong immersive experience.
Help Interface
Functions of buttons on main interface.
Preview Interface
All photos and videos displayed here, can be downloaded or deleted.

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Operation Guide
Detailed instructions for installation and operation.
Installation
1. Connect the drone
a) Connect the KEVLAR cable with the tail section of the underwater drone.
Note: Poor connection at joint can result in poor contact and operation failure. Please make ensure
that the joint contact is good.
b) Insert the battery into the underwater drone’s battery compartment, then press on the battery
slightly while turning the knob clockwise to secure the battery in place.
Notes: When the battery is installed successfully, there will be a prompt sound. However, the
prompt sound is short and not too loud. If it is used outdoors, please listen carefully.
App Operation
1. Connect app
a) Connect your device with the Base Station Wi-Fi. The Wi-Fi name is “Aquarobotman”.
Notes: In the Wi-Fi list of your mobile or tablet, there will be two Wi-Fi networks including
"Nemo_XXXXXX" and "Aquarobotman_XXXXXX". Make sure your mobile or tablet is connected to
"Aquarobotman_XXXXXX". If there is one WIFI: "Aquarobotman_XXXXXX", it means the Nemo
battery is not installed well, please install the battery and try again.

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b) Open the App
After successful connection to the Wi-Fi base station, click on the App icon then it will be loaded
on your device. All the icons in the prepare interface shall turn blue once the connection of battery
and Wi-Fi station both succeeded, click on “YES” to enter. Prepare interfaces as below:
Notes: before opening the app, please confirm that the base station Wi-Fi is successfully
connected as the APP does not support background operation. If the App is open without Wi-Fi
connection, please exit the app and open it again, otherwise the App can’t be loaded successfully.
c) App interface shows as below after successful connection
Notes：When the App is opened, the notice "video connecting" will appear on the interface for
10-60 seconds. When it disappears you will see the live feed with a warning tone, which indicates
that the connection has been successful.
After successful connection, the icon of drone in the upper left of interface shows in yellow or gray,
yellow indicates unlocked status, gray indicates locked status. Unlock operation is requested right
after the warning tone each time for use, or the Nemo may not work normally.
In addition, the icon of game controller at the top of interface keeps being red, it will only turn
white when it is under usage.

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2. Operation
Functions
Illustration
Lock
If the icon in the upper left of
screen is gray, this means that the
underwater drone is locked and
the propellers will not move
Unlock
If the icon in the upper left of
screen is yellow, this means that
the underwater drone is unlocked
and the propellers should operate
normally
Fill Light Adjustment

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Functions
Illustration
Slide rightwards or leftwards at
the middle of the screen to adjust
the brightness of the fill light
Speed Adjustment
Adjust the horizontal moving
speed in three levels D1/D2/D3,
together with the direction control
D1 the slowest, D3 the fastest.
Horizontal Control
Controls the underwater drone’s
horizontal movement.
Snorkel Control

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Functions
Illustration
Controls the upwards and
downwards movement of the
underwater drone.
Omnidirectional control
Simultaneous operation of the
horizontal direction and snorkeling
throttle allows the pitch angle to
be changed while the drone goes
forward, the maximum pitch angle
is ±45°
Photo shooting
The button will flash red and the
screen will flash once when taking
a photo.
Long Video

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Functions
Illustration
To record a long video of 5
minutes
Short Video
To record a short video of 20
seconds