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2022 DJI All Rights Reserved.
AGRAS T40/T20 P
Unmanned Aircraft Flight Manual
Operation Resumption
When exiting a Route, A-B Route, or Fruit Tree operation, the aircraft will record a breakpoint. The
Operation Resumption function allows the user to pause an operation temporarily to rell the spray tank,
change the battery, or avoid obstacles manually. Afterwards, resume operation from the breakpoint.
Recording a Breakpoint
If GNSS signals are strong, a breakpoint will be recorded in the following scenarios during an operation.
If GNSS signals are weak, the aircraft will enter Attitude mode and exit the current operation. The last
position where GNSS signals were strong will be recorded as a breakpoint.
1. Tap the Pause or End button on the lower right corner of the screen. Note: tapping the End button
during an A-B Route operation does not cause the aircraft to record a breakpoint. The operation
ends immediately and cannot be resumed.
2. Initialize RTH.
3. Push the pitch or roll stick in any direction on the remote controller.
4. Obstacle detected. The aircraft brakes and enters obstacle avoidance mode.
5. Radar module error detected when its obstacle avoidance function is enabled.
6. The aircraft reaches its distance or altitude limit, or the aircraft is close to a GEO zone.
7. Empty tank.
8. The aircraft enters low-battery landing mode.
9. If the option “Continue operation if remote control signal is lost” is disabled in Aircraft Settings,
and the aircraft disconnects from the remote controller, the aircraft will record a breakpoint after it
performs the action preset for when signals are lost.
Make sure that the GNSS signal is strong when using the Operation Resumption function.
Otherwise, the aircraft cannot record and return to the breakpoint.
The breakpoint is updated as long as it meets one of the above conditions.
If RTK positioning is not in use and the operation is paused for longer than 25 minutes during
an A-B Route operation, the system will automatically switch to Manual operation mode and
erase the breakpoint.
Resuming Operation
1. Exit an operation through one of the above methods. The aircraft will record the current location as
the breakpoint.
2. Fly the aircraft to a safe location after operating the aircraft or removing the conditions for recording a
breakpoint.
3. Return Route
For Route operations, Flight-Efcient Operation Resumption becomes available if any of the following
conditions are met. The app will calculate the optimal return point according to the breakpoint and
the aircraft location to reduce the ying distance when carrying more payload. Make sure that Flight-
Efcient Operation Resumption is enabled in Advanced Settings under Aircraft Settings before using
the function.
The aircraft will land on the ground after the operation is paused.
Exit an operation by tapping the end button and then start this operation again in the Executing tag
in the operation list.
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