Aquarobotman NEMO User manual

NEMO
User Manual V1.4

Shenzhen Aquarobotman Innovative Technologies Co., Ltd.
Professional Underwater Integrated Solutions Provider
Reading Suggestions
Recommendations
We recommend users to watch the instructional video, read the disclaimer and product return and
exchange policy before reading this manual.
Video Tutorial
Users can view the video tutorial via the link below which includes instructions on how to use the product
correctly and safely, possible problems in use and solutions.
https://www.youtube.com/watch?v=qo-piE7QJhY
Download the Aquarobotman App
Users can scan the QR code on the right to download the
Aquarobotman app.
Note: Users should only use this app with this product, or the app may
not operate normally.
IOS & Android

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Contents
Reading Suggestions .....................................................................................................................................................2
Recommendations....................................................................................................................................................2
Video Tutorial............................................................................................................................................................2
Download the Aquarobotman App...........................................................................................................................2
Product Overview .........................................................................................................................................................5
Introduction ..............................................................................................................................................................5
Features ....................................................................................................................................................................5
Module Composition ................................................................................................................................................5
Dynamic System........................................................................................................................................................8
Lighting System .........................................................................................................................................................8
Drone Functions........................................................................................................................................................8
Smart Protection System ..........................................................................................................................................8
Smart Battery............................................................................................................................................................9
Wi-Fi base station .......................................................................................................................................................10
Introduction ............................................................................................................................................................10
KEVLAR Zero Buoyancy Cable .................................................................................................................................10
Wi-Fi Signal..............................................................................................................................................................10
Protection System...................................................................................................................................................10
Aquarobotman App ....................................................................................................................................................11
Introduction ............................................................................................................................................................11
Main Interface.........................................................................................................................................................11
Settings Interface....................................................................................................................................................13
VR Interface.............................................................................................................................................................14
Help Interface..........................................................................................................................................................14
Preview Interface....................................................................................................................................................15
Operation Guide..........................................................................................................................................................16
Installation ..............................................................................................................................................................16

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App Operation.........................................................................................................................................................16
Controller Operation...............................................................................................................................................21
Controller Operation...............................................................................................................................................22
VR Control...............................................................................................................................................................22
Video Download......................................................................................................................................................24
Sensor calibration ...................................................................................................................................................29
Battery Charging .....................................................................................................................................................30
Precautions .................................................................................................................................................................30
Usage Environment Requirments...........................................................................................................................30
Things to Inspect Before Using ...............................................................................................................................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
This section introduces the functions and features of Nemo and the names of the various modules.
Introduction
The Nemo underwater drone is equipped with a high resolution 4K UHD camera system and 4-duct
stabilization system, making it capable of shooting real-time, stabilized, and high definition underwater
footage. It can travel at up to 2m/s while underwater and can continue to operate underwater for 3 hours.
A modularized design makes the Nemo easy to carry and extends its battery life.
Features
1. High Resolution 4K Lens. Supports up to 4K video and 16 megapixel photography. Supports video
shooting at up to 120 frames per second and comes with QAS-Balance system that makes it possible to
capture high quality dynamic pictures.
2. QAS-Balance System. The 4 thruster design and the independently developed control system allow the
Nemo to travel underwater with great stability and take stable videos and photos.
3. Detachable Battery Design. The drone battery is removable; the twist cap on the outer casing of the
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 independently.
4. Multiple Experience Methods. Multiple operating methods are available including using the mobile app
and VR headset with controller. The app control interface is easy to use and can be learned easily.
Under VR mode, the hand controller can be used simultaneously with VR headsets. The controller
replaces app control and somatosensory mode is configured under the VR mode where the drone will
move in sync with the head movements to bring users a realistic experience.
Module Composition
The 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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Top
Bottom
2. Nemo battery
3. Wi-Fi base station
4K UHD camera
Fill light
Propeller
Propeller
Propeller
Propeller
Signal line installation base
Fill light
Protective rack
Battery compartment
Signal line installation base
Protective rack
On/off switch
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 Cable
Reel arm
Wi-Fi base station

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Dynamic System
The dynamic system is mainly formed by a 4-duct propeller system composed of 2 horizontal + 2 vertical
propellers. The propeller is made with customized waterproof and anti-corrosive motors and fitted with
custom designed propeller blades that increases the performance of the motor to its maximum potential.
Lighting System
The drone uses adjustable matrix low beam fill lights with a maximum brightness of 1000lm.
Recommendation: turn off the fill light during daytime when there is enough light to save battery. The fill
light is required during nighttime and when in caves where there isn’t enough light.
Drone Functions
1. Depth Hold: in situations with controlled horizontal orientation, the drone will maintain its current
depth and pitch angle. This mode relies on the drone’s internal sensors. In complex scenarios such as
when there is strong magnetic field interference and so on, 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: the orientation of the drone is maintained, and the snorkeling throttle controller can be
used to move the drone upwards or downwards.
3. Full position operation: this mode provides an open control mode and can enable complex drone
maneuvers such as moving upwards or downwards at large angles. This mode restricts the pitch angle
of the drone to ±90°and the speed of pitch angle change can be controlled at different speeds and so
on.
4. VR somatosensory operation: this mode requires a compatible VR headset to operate. Under the VR
mode, there is a somatosensory activation lock, the user must tilt their head upwards 60°or more then
tilt their head downwards 60° or more and then return to the horizontal position to unlock the
somatosensory function. After unlocking, the drone view can the controlled by head movements.
Smart Protection System
When the drone encounters unexpected situations, it will perform corresponding protective measures.
1. Temperature protection: the normal operating temperature of the drone is between -2°C-35°C. If the
drone detects an abnormal internal temperature, it will enter a protective state.
There are two scenarios:
a) Operating in high temperature waters.
b) Drone was turned on and left above the surface for too long and the internal temperature of the
drone got too hot.
2. Humidity protection: when the drone detects too much humidity, it will take protective measures.
These problems should not occur during normal operation. If they do occur then the drone needs to be

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returned for repair.
3. Overcurrent protection: the main causes are:
a) Propeller is entangled and cannot rotate.
b) Internal drone fault 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 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: in its unlocked state and when not controlled, if the drone pitch or roll angles is
greater than 60 degrees, the motor will stop and enter a protection mode until the drone pitch and roll
angles are both less than 60 degrees.
Smart Battery
As a standalone component, the drone battery has a built-in smart control to ensure safety. The smart
battery has the following features:
1. Load detection: before loading, the battery will be in sleep mode and will not discharge. Operation only
begins after the battery has been connected to the drone.
2. Battery self-checking: after installing the battery to the drone, it will first do a self-check to detect
whether or not the battery level satisfies the drone’s requirements.
3. Battery short-circuit protection: when the battery detects short-circuit, the output will be cutoff to
protect the battery.
4. Overcurrent discharge protection: when there is an overcurrent 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. If long-term storage is required, we
recommend consulting the smart battery user manual.

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Wi-Fi base station
This acts as a communication hub between the underwater drone and the user.
Introduction
The Wi-Fi Base Station has an in-built Wi-Fi signal transmitter and its battery is separate and detachable.
Wi-Fi connection with smartphones is available. Open the Aquarobotman app to connect and view the
drone status in real-time. For operation instructions, please read Operation Guide. Users can use the cable
reel for easier cable retraction.
KEVLAR Zero Buoyancy 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. The cable has 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
About the app interface and usage instructions.
Introduction
The Aquarobotman app is used with the Nemo to control its movements and to setup the basic camera
parameters. It can also be used to share photos and videos taken from the drone directly to social
networks.
Main Interface
1. Controller connection status
: displays the controller’s connection status. A red icon with “×” means connection failed, a white icon
and a blue “√” means connection successful, and a white icon means normal operation.
2. Drone battery level
: battery level is shown as a 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. Drone pitch angle
: real-time display of drone pitch angle data.
5. Drone working temperature

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: displays the drone’s internal operating temperature and not the water temperature.
6. Current water depth
: displays the current water depth of the drone in meters.
7. Camera shutter button
: 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 taking a short video. A short video is 20 seconds, and the red outer ring is used
to show the time recorded. The short video recording will be canceled if the button is pressed again before
the video recording has completed. After the red outer ring has completed a full circle, the video will be
automatically stored to local storage 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 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 various buttons.
13. Gallery preview
: preview all videos and photos taken from the 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 and the VR headset can be used directly.
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°omni-directional control where the drone can move in any
direction on the horizontal plane.
17. Quick toggle button
: this button enables sliding control where parameters such as speed can be changed using the
directional control panel.

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18. Hand-held compass direction
: displays the direction of the phone/tablet in real-time
19. Direction of the drone relative to the phone
: direction of the drone relative to the phone/tablet; can view the heading of the drone in real-time.
Settings Interface
1. Sensor calibration
Horizontal calibration. Place the drone on the ground or on the water surface and press the depth
calibration button to perform depth calibration. This will take around 2 seconds. Compass calibration. After
pressing the compass calibration button, rotate the drone 360° in the air until the calibration completes.
This will take around 30 seconds.
2. Camera settings
Video resolution and camera settings can be configured here. This provides more professional and more
photography setting choices, as well as functions including changing video resolution, image pixels, photo
quality, video quality, consecutive mode, time-lapse, and video watermarking.
Calibration interface
Camera parameters
3. Status info
View current drone firmware version information. The drone’s internal humidity will also be displayed. This
is used to detect whether or not any water has entered the drone.
4. About us
Learn more about us and our products at the Aquarobotman website.

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Status info
About us
VR Interface
Split-screen display of video interface to be used with VR headsets. This mode also has somatosensory
operation function which makes it easier for users with VR headsets to view underwater sceneries. The
head position will translate into the drone’s real-time viewing angle which gives a strong immersive
experience which feels like you are actually there.
Help Interface
Descriptions of functions in the main interface.

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Preview Interface
Displays all photos and videos taken with the drone where they can be downloaded for deleted. Provides
an easy to operate interface for the user to view photos and videos taken with the drone.

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Operation Guide
Detailed instructions for installation and operation.
Installation
1. Connect drone
a) Connect the reel KEVLAR cable with the tail section of the drone.
Note: Poor connection at joint can result in poor contact and render the device unusable. Please
make ensure that the joint contact is good.
b) Insert the battery into the drone’s battery compartment, then press on the battery slightly while
turning the knob clockwise to secure the battery in place.
Note: 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 with the Wi-Fi Base Station via Wi-Fi. The Wi-Fi name of the Base Station is
“Aquarobotman”.

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Note:
i. In the Wi-Fi list of your phone or tablet, there will be two Wi-Fi networks including
"Nemo_XXXXXX" and "Aquarobotman_XXXXXX". Make sure your phone or tablet is connected
to "Aquarobotman_XXXXXX". If there is one WIFI: "Aquarobotman_XXXXXX", it means the
Nemo battery is not installed well, please reinstall the battery.
ii. Before opening the APP, make sure the Wi-Fi "Aquarobotman" is connected. In addition, the
APP cannot run in the background. If you have opened the APP before, please exit completely
and restart the APP, otherwise the interface will always read "connecting video".
b) After successful connection, you should see the app interface shown in the figure below.
Note：When you open the APP, the word "connecting video" will appear on the interface for
10-60 seconds. When it disappears from the interface, you will see the picture in NEMO lens on
the interface, indicating that the connection has been successful. In addition, there is a red icon on
the icon bar at the top of the interface which represents the game handle. Only when you use the
game handle to control NEMO will the icon turn white, and in other cases the icon is always red.
2. Operation
Functions
Illustration
Lock
If the icon in the upper left is grey,
this means that the drone is
locked and the propellers will not
move

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Functions
Illustration
Unlock
If the icon in the upper left corner
is yellow, this means that the
drone is unlocked and the
propellers should operate
normally
Fill Light Adjustment
Use a sliding action on the screen
to adjust the brightness of the
drone fill light
Speed Adjustment
Adjust the horizontal drone speed
and use with the direction controls

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Functions
Illustration
Horizontal Control
Controls the drone’s horizontal
movement
Snorkel Control
Controls the upwards and
downwards movement of the
drone
Snorkel Control
By using the horizontal and
snorkel control at the same time,
the pitch angle can be changed
while moving forward
simultaneously. The pitch angle
can reach a maximum of 90°.

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Functions
Illustration
Photo
The button will flash red and the
screen will flash once when taking
a photo.
Long Video
The drone will continue to record
when recording a long video
Short Video
Records a 20 second short video