DJI O4 Air Unit: First Flight Controller Settings

• Set up the DJI O4 Air Unit flight controller using Betaflight for a smooth and stable flight experience.

• Follow essential safety precautions, including detaching propellers before making adjustments.

• Configure key settings, such as port configurations, receiver settings, and remote controller mapping.

• Test motor functions and verify correct mapping in Betaflight to ensure proper responsiveness.

• Finalise setup with OSD adjustments and system reboot for full functionality before flight.

Properly configuring your flight controller ensures a smooth and stable flight experience with the DJI O4 Air Unit Series.

Follow these steps to set up the flight controller using Betaflight, adjust receiver settings, map remote controller functions, and conduct motor testing.

Pre-configuration safety precautions

1. Detach the propellers before making adjustments to prevent accidental motor startup.

2. Ensure all components are securely installed before connecting to Betaflight.

Connecting the Flight Controller

1. Power on the aircraft and connect the flight controller board to a computer using a data cable.

2. Open Betaflight and confirm the correct COM port.

3. Set the baud rate to 115200.

4. Click Connect to access the flight controller settings page.

Port configurations

1. Navigate to the Port Configurations section.

2. Ensure the UART Serial Port settings are correctly assigned for the serial receiver.

3. Set Peripherals to MSP+Displayport.

4. Click Save and Reboot to restart the flight controller.

Receiver settings

1. Open the Receiver Page in Betaflight.

2. Set Receiver Mode to Serial-based receiver.

3. Select SBUS as the Serial Receiver Protocol.

4. Adjust the stick mode in the goggles menu under remote controller settings.

5. Move the control sticks and check if the data updates in the Receiver Page. If the data does not change, verify that the receiver protocol is correctly set in the goggles.

Mapping remote controller functions

1. Assign different functions to specific remote controller switches for easier control.

2. Recommended settings:

   1. ARM channel (AUX1) – Set to the M/S/N three-way switch as the unlock switch.

   2. ANGLE channel (AUX2) – Set to the three-way switch on the right to toggle Angle Mode.

Motor testing

1. Open the Motors Page in Betaflight.

2. Click the switch at the bottom-right corner to enable motor control.

3. Slowly move the main control bar to start motor rotation.

4. Check if motor labels match the illustration in the top-left corner of the screen.

OSD settings & final Steps

1. Select the parameters you want to display on the OSD overlay screen.

2. Remove the data cable and restart the aircraft.

Summary

Correctly configuring your flight controller ensures a stable connection, precise controls, and optimised flight performance with the DJI O4 Air Unit Series.

Follow these steps to set up the system and verify that all settings are applied correctly. If you need further assistance, contact heliguy™ for expert support.