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2022 DJI All Rights Reserved.
43
AGRAS T40/T20 P
Unmanned Aircraft Flight Manual
Flight Modes
The aircraft will y in N-mode (Normal) by default. Users can switch between ight modes by toggling
the Flight Mode switch on the remote controller when A-mode is enabled in the app.
N-mode/F-mode (Normal):
The aircraft utilizes GNSS or the RTK module for positioning. When the
GNSS signal is strong, the aircraft uses GNSS for positioning. When the RTK module is enabled and the
differential data transmission is strong, it provides centimeter-level positioning. It will revert to A-mode
when the GNSS signal is weak or when the compass experiences interference.
S-mode (mapped to A-mode, Attitude):
GNSS is not used for positioning and the aircraft can only
maintain altitude using the barometer. The ight speed in A-mode depends on its surroundings such as
the wind speed.
Attitude Mode Warning
In A-mode, the aircraft cannot position itself and is easily affected by its surroundings, which may result
in horizontal shifting. Use the remote controller to position the aircraft.
Maneuvering the aircraft in A-mode can be difcult. Avoid ying in conned spaces or in areas where
the GNSS signal is weak. Otherwise, the aircraft will enter A-mode, leading to potential ight risks. Land
the aircraft in a safe place as soon as possible.
Mapping Operation Modes
After the boundary points of the task area have been added, the app will automatically produce a task
route. The aircraft will perform the mapping operation along the route and take photos for the mapping
task area. The app will reconstruct an HD map using the photos after the ight so that users can plan a
eld on the HD map.
Operation Procedure
1. Go to Operation View in the app, tap the mode switch button on the upper left, and select Route
Mapping on the Mapping panel.
2. Tap
at the bottom right of the screen and select Area Route or Boundary Route. In Area Route,
mapping and reconstruction will be performed for the whole task area to help users check the
current status of the area. In Boundary Route, mapping and reconstruction will be performed for the
boundary of the task area only, which takes a shorter time.
3. Tap
in middle of the right screen to select the mode for adding points. Crosshair is set by default.
4. Drag the map and tap Add to add a point at the crosshairs.
If Add Point with RC or Add Point with Aircraft is selected, walk with the remote controller to the
desired position or y the aircraft to the desired position and tap Add.
5. Edit boundary points: Tap the added boundary point to select it and then drag to move the point. Tap
twice to delete.
6. Adjust the route direction:
a. Drag the
icon near the route to adjust the ight direction of the planned route. Tap the icon to
show the Fine Tuning menu and adjust.
b. Tap one of the boundaries to select it and then tap it twice to align the route direction with the
selected boundary.
7. Tap
to save.
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