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©
2020 DJI All Rights Reserved.
AGRAS T20
User Manual
If the radar module frequently detects obstacles incorrectly, check to make sure the mounting
bracket and the aircraft landing gear are properly secured. If the radar module still does not
work, contact DJI Support or a DJI authorized dealer.
Keep the protective cover of the radar module clean. Clean the surface with a soft damp cloth
and air dry before using again.
Empty Tank
Prole
A prompt appears in the app and the aircraft hovers in place when the spray tank is empty. In Route, A-B
Route, and Manual Plus operation modes the aircraft can also be set to ascend or RTH instead of hovering.
Usage
1. When an empty tank warning appears in the app, the sprinklers automatically turn off.
2. Make sure that the aircraft is in Manual operation mode. Land the aircraft and stop the motors. Rell
the spray tank and tightly secure the cover.
3. Take off in Manual operation mode and y the aircraft to a safe position. Enter the desired mode to
continue the operation.
Return to Home (RTH)
Home Point: The default home point is the first location where your aircraft received strong
GNSS signals
. Note that the white GNSS icon requires at least four bars before the signal
is strong. The aircraft status indicators blink several times after the home point has been
recorded.
RTH: RTH brings the aircraft back to the last recorded home point.
There are two types of RTH: Smart RTH and Failsafe RTH.
Smart RTH
Press and hold the RTH button on the remote controller when GNSS is available to enable Smart RTH.
Both Smart and Failsafe RTH use the same procedure. With Smart RTH, you may control the speed and
altitude of the aircraft to avoid collisions when returning to the home point. The aircraft status indicators
will show the current ight mode during RTH. Press the RTH button once to exit Smart RTH and regain
control of the aircraft.
Failsafe RTH
Failsafe RTH must be enabled in the app. If Failsafe RTH is disabled, the aircraft hovers in place
when the remote controller signal is lost. Note that Failsafe RTH is disabled by default in the app.
Failsafe RTH is automatically activated if the remote controller signal is lost for more than three seconds,
provided that the home point has been successfully recorded, the GNSS signal is strong
, and the
RTK module is able to measure the heading of the aircraft. The RTH continues if the remote controller
signal is recovered, and users can control the aircraft using the remote controller. Press the RTH button
once or toggle the pause switch to cancel RTH and regain control of the aircraft.
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