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©
2021 DJI All Rights Reserved.
51
AGRAS T30
User Manual
Calibrating the Flow Meter
Make sure to calibrate the ow meter before using for the rst time. Otherwise, the spraying performance
may be adversely affected.
1. Preparation
1
Fill the spray tank with approximately 2 L of water.
2
Use the automatic trapped air discharge function to discharge the trapped air. Users can also
manually discharge the trapped air. Press the spray button to spray the trapped air and press the
button again once all trapped air is discharged.
2. Calibration
1
In the app, tap Execute Task to enter Operation View. Tap
, then , swipe up, and tap
Calibration on the right of the ow meter calibration section.
2
Tap Start Calibration to begin. Calibration will be complete after 25 seconds and the results are
displayed in the app.
Users can proceed once calibration is completed successfully.
If calibration fails, tap “?” to view and resolve the problem. Recalibrate once the problem is
resolved.
During calibration, tap , then to cancel. If the calibration is cancelled, the accuracy of the
ow meter is based on the data before the calibration was started.
When to Recalibrate
1. Installing a different nozzle model. Note: Choose the corresponding model in the app after replacing
nozzles. Go to Operation View, tap
, then for conguration.
2. Using a liquid of a different viscosity.
3. The error between the actual value and the theoretical value of the completed area is more than 15%.
Calibrating the Compass
It is important to calibrate the compass. The calibration result affects the ight safety. The
aircraft may malfunction if the compass is not calibrated.
DO NOT calibrate the compass where there is a chance of strong magnetic interference. This
includes areas where there are utility poles or walls with steel reinforcements.
DO NOT carry ferromagnetic materials with you during calibration such as keys or mobile phones.
If the aircraft status indicators show a blinking red light, compass calibration has failed. Please
recalibrate.
After calibrating successfully, the compass may be abnormal when you place the aircraft on
the ground. This may be because of underground magnetic interference underground. Move
the aircraft to another location and try again.
Calibrate the compass when prompted by the app. It is recommended to calibrate the compass with an
empty tank
1. Tap
, then , move the slider to the bottom, and select Advanced Settings, then IMU and
Compass Calibration. Tap Calibration in the compass calibration section.
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