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©
2020 DJI All Rights Reserved.
AGRAS T20
User Manual
Aircraft Status Indicators Description
Blinking Patterns Description
Blink red, green, and yellow Self-checking
×4 Blink yellow four times Warming up
Blink yellow slowly A-mode (no GNSS)
Blink green slowly P-mode (GNSS)
Blink green rapidly
When an obstacle is detected, the aircraft breaks and
hovers to enter obstacle avoidance mode.
Blink yellow and green alternately RTK dual antenna is not ready.
Blink red and green alternately
RTK function is enabled, but RTK positioning is not
ready.
Solid red
System error. Restart the aircraft, and if still not working,
contact DJI Support or a DJI authorized dealer.
Blink red and yellow alternately Abnormal compass data. Compass calibration required.
Blink red rapidly several times Point A recorded.
Blink green rapidly several times Point B recorded.
Blink yellow rapidly Remote controller signal lost.
Blink red slowly Low battery level.
Blink red rapidly Critical low battery level or battery voltage.
Updating the Firmware
Users can update the rmware of both the aircraft and remote controller in DJI Agras.
1. Power on the remote controller and the aircraft. Make sure that the remote controller has access to
the internet via Wi-Fi or a dongle. The rmware le is usually large. It is recommended to use Wi-Fi.
2. A prompt appears in the lower right corner of the screen in DJI Agras when a new rmware update is
available. Tap the prompt to enter the rmware screen.
3. Select the desired rmware and tap Update to enter rmware update page.
4. For remote controller rmware, tap Go to Update to redirect to the system settings page, and follow
the instructions for update.
For rmware of devices such as the aircraft or D-RTK 2 mobile station, the rmware will be transmitted
from the remote controller to the corresponding device through OcuSync. Make sure the device and
remote controller are properly connected. Tap Download XXX (XXX indicates the rmware version) to
download the rmware package for all the devices.
5. When the download is complete, tap Update XXX under each device to enter the update page for
the corresponding device. Tap Install and wait for the update to complete.
7. After successfully completing the update, restart the remote controller and the aircraft manually.
DJI Assistant 2 for MG can also be used to update the rmware. Refer to DJI Assistant 2 for MG (p. 51)
for more information.
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