DJI TELLO, TELLO-BOOST Users Manual
User Manual
2018.04
v1.2
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Using This Manual
Legend
Warning Important Hints and Tips Reference
Read Before the First Flight
Read the following documents before using the TELLOTM:
1. Tello User Manual
2. Tello Quick Start Guide
3. Tello Disclaimer and Safety Guidelines
We recommend that you watch all tutorial videos on the ofcial RYZE Tech website https://www.
ryzerobotics.com/tello and read the
for your rst ight by reviewing the
more details.
Tello Disclaimer and Safety Guidelines
Tello Quick Start Guide
and refer to this
before you y. Prepare
Tello User Manual
for
Download the Tello App
Search for “Tello” on the App Store or Google Play or scan the QR code on the right
to download the latest version of the app. The Android version of the Tello app is
compatible with Android v4.4 and later. The iOS version of the Tello app is compatible
with iOS v9.0 and later.
Units of Measurement
This product is designed and tested using metric units. For user convenience US units are also
provided in this manual. Figures quoted in US units are conversions from metric units. In some
cases they are approximate and they are sometimes rounded to make it easier for users to comply
with safety guidelines. All gures quoted in US units should be taken for reference only.
2018 Ryze Tech. All Rights Reserved.
©
2
Contents
Using This Manual
Legend 2
Read Before the First Flight 2
Download the Tello App 2
Units of Measurement 2
Product Prole
Introduction 4
Aircraft Diagram 4
Aircraft
Flight Modes 5
Aircraft Status Indicator 6
Vision Positioning System 7
Intelligent Flight Modes 8
Propellers 12
Propeller Guards 13
Flight Battery 14
Camera 15
Tello App
Connecting to the Aircraft 16
Camera View 16
Controlling the Aircraft 17
2
4
5
16
Flight
Flight Environment Requirements 20
Compliance with Regulations 20
Test Flight 20
Firmware Updates 21
Specications
After-Sales Information
2018 Ryze Tech. All Rights Reserved.
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20
21
21
3
Product Prole
Introduction
Tello is a small quadcopter that features a Vision Positioning System and an onboard camera. Using
its Vision Positioning System and advanced ight controller, it can hover in place and is suitable for
ying indoors. Advanced features like Bounce mode, 8D Flips, and EZ Shots make using Tello fun.
Tello captures 5 megapixel photos and streams 720p live video to the Tello app on a mobile device.
Its maximum ight time is approximately 13 minutes*, and its maximum ight distance is 328 ft (100 m).
Failsafe Protection enables Tello to land safely even if you lose connection and its propeller guards
can be used to enhance safety.
Aircraft Diagram
1
2
3
4
9
5
8
7
6
10
6
1. Propellers
2. Motors
3. Aircraft Status Indicator
4. Camera
5. Power Button
6. Antennas
7. Vision Positioning System
8. Flight Battery
9. Micro USB Port
10. Propeller Guards
* Maximum ight time was tested in windless conditions ying at a consistent 9 mph (15 kph). This value
should be taken for reference only.
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4
Aircraft
The Tello contains a ight controller, video downlink system, Vision Positioning System, propulsion
system, and a Flight Battery. Refer to the aircraft diagram in the Product Prole section.
Flight Modes
The Tello can be controlled manually using the virtual joysticks in the Tello app or using a compatible
remote controller. It also has various Intelligent Flight Modes that be used to make Tello perform
maneuvers automatically. In addition, the Tello has a flight mode that it falls back to in certain
circumstances.
The Intelligent Flight Modes are described in detail in the separate Intelligent Flight Modes section.
The Aircraft Status Indicator section describes how the Aircraft Status Indicator provides an
indication of which mode the aircraft is in.
Flying the Tello Manually
The Tello has two ight speeds that you can select when ying the aircraft manually:
Slow (default):
•
(10.8 kph).
Fast:
•
The maximum ight attitude angle is 25° and the maximum ight speed is 17.8 mph (28.8 kph).
When flying the Tello manually the aircraft utilizes its Vision Positioning System to automatically
stabilize itself. If the conditions are such that the Vision Positioning System is unavailable the aircraft
automatically changes to Attitude mode.
• To switch from Slow to Fast you must read and agree to the disclaimers and warnings
• Failsafe Protection automatically initiates landing if the mobile device's signal is weak or
The maximum ight attitude angle is 9° and the maximum ight speed is 6.7 mph
that appear in the Tello app. Make sure you understand the differences between the two
ight speeds.
is lost for 50 seconds, or the Tello app crashes.
In the Tello app the ight speed is selected in the settings screen.
Attitude Mode
The aircraft automatically changes to Attitude mode (ATTI mode) when the Vision Positioning
System is unavailable. In Attitude mode the aircraft is not able to position itself and so is easily
affected by its surroundings. Environmental factors such as wind can result in horizontal shifting,
which may present hazards, especially when ying in conned spaces. When the aircraft enters
Attitude mode, land in a safe place as soon as possible to avoid hazards.
The Aircraft Status Indicator blinks yellow slowly when the aircraft is in Attitude mode.
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5
User Manual
TELLO
Aircraft Status Indicator
The Tello’s Aircraft Status Indicator communicates the statuses of the aircraft’s ight control system
and Flight Battery. The Aircraft Status Indicator is located on the aircraft’s nose, next to the camera,
as shown in the gure below. Refer to the table below for more information about the aircraft states
indicated by the Aircraft Status Indicator.
Aircraft Status Indicator States
Color Pattern Aircraft State
Normal States
Charging States
Warning States
Alternating red,
green, and yellow
Green
Yellow Blinking slowly
Blue Solid Charging is complete
Blue Blinking slowly Charging
Blue Blinking quickly Charging error
Yellow Blinking quickly Remote control signal lost
Red Blinking slowly Low battery
Red Blinking quickly Critically low battery
Red Solid Critical error
Blinking
Periodically blinks
twice
Turning on and performing selfdiagnostic tests
Vision Positioning System active
Vision Positioning System
unavailable, aircraft is in Attitude
mode
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6
User Manual
TELLO
Vision Positioning System
The Vision Positioning System helps the aircraft maintain its current position. With the help of the
Vision Positioning System, the Tello can hover in place more precisely and y indoors or outdoors in
windless conditions. The main components of the Vision Positioning System are a camera and a 3D
infrared module located on the underside of the aircraft.
Vision
Positioning
System
Using the Vision Positioning System
The Vision Positioning System is activated automatically when the aircraft is turned on. No further
action is required. The Vision Positioning System is only effective when the aircraft is at altitudes of
1.0 to 32.8 ft (0.3 to 10 m) and works best at altitudes of 1.0 to 19.7 ft (0.3 to 6 m). If the aircraft is
beyond this range, the Vision Positioning function may be affected, so extra caution is required.
• The performance of the Vision Positioning System is affected by the surface being own
over. The aircraft automatically changes to Attitude mode when the Vision Positioning
System is unavailable. In Attitude mode the aircraft is not able to position itself. Operate
the aircraft with great caution in the following situations, which may cause the aircraft to
enter Attitude mode:
a. Flying at high speed below 2 ft (0.5 m).
b. Flying over monochrome surfaces (e.g. pure black, pure white, pure red, pure green).
c. Flying over highly reective surfaces.
d. Flying over water or transparent surfaces.
e. Flying over moving surfaces or objects.
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