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20
©
2020 DJI All Rights Reserved.
AGRAS T20
User Manual
working conditions, the radar module starts working automatically and maintains the spraying
distance between aircraft and vegetation after performing the operation. Refer to Omnidirectional
Digital Radar (p. 23) for more information.
The line spacing cannot be adjusted during operation. Switch to Manual operation mode to
adjust the value, then return to A-B Route operation mode.
5. Performing an operation
Tap Start on the lower right corner of the screen and move the slider to start the operation.
If, after recording Points A and B, you y the aircraft more than ve meters away from Point
B, Resume appears at the lower right corner of the screen. Tap Resume, and the aircraft
automatically ies to Point B to perform the operation.
If the GNSS signal is weak during the operation, the aircraft enters Attitude mode and exits
from A-B Route operation mode. Operate the aircraft with caution. The operation can be
resumed after the GNSS signal is recovered.
If you press the A or B button during operation while the ying speed of the aircraft is lower
than 0.3 m/s, the data for Points A and B of the current route is erased and the aircraft hovers
in place.
Line spacing can be customized from 3-10 m in the app. It is set to a length of 6 m by default.
Users cannot control the aircraft heading via the control stick during the operation.
When using the control sticks to control the aircraft in A-B Route operation mode, the aircraft
automatically switches to Manual operation mode, completes the corresponding flight
behavior, and then hovers. To resume the operation, tap Resume onscreen. The aircraft
resumes ying along the operation route. Refer to Operation Resumption (p. 21) for more
information.
Even though the heading of the aircraft cannot be adjusted, use the control sticks to avoid
obstacles if the obstacle avoidance function of the radar module is disabled. Refer to Manual
Obstacle Avoidance (p. 22) for more information.
During the operation, the aircraft does not spray liquid while ying along the route parallel to
the line from A to B, but automatically sprays liquid while ying along the other parts of the
route.
Manual Operation Mode
Tap the operation mode switch button in the app and select M to enter Manual operation mode. In this
mode, you can control all the movements of the aircraft, spray liquid via the spray button of the remote
controller, and adjust the spray rate via the dial. Refer to Controlling the Spraying System (p. 34) for
more information. Manual operation mode is ideal when the operating area is small.
Manual Plus Operation Mode
Tap the operation mode switch button in the app and select M+ to enter Manual Plus operation mode.
In this mode, the maximum ying speed of the aircraft is 7 m/s (customizable in the app), the heading is
locked, and all other movement can be manually controlled. Users can disable the M+ heading lock in
the app. Under optimal working conditions, the radar module maintains the spraying distance between
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