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©
2018 Ryze Tech. All Rights Reserved.
5
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):
The maximum ight attitude angle is 9° and the maximum ight speed is 6.7 mph
(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
that appear in the Tello app. Make sure you understand the differences between the two
ight speeds.
• Failsafe Protection automatically initiates landing if the mobile device's signal is weak or
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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