DJI O3 Air Unit Easy-to-Use Guide for Beginners

About DJI O3 Air Unit

The DJI O3 Air Unit is an advanced video transmission device featuring DJI long-range, low-latency HD transmission O3+ technology. The air unit can be mounted on a racing drone and used with DJI goggles and a remote controller to transmit video, control signals, and flight controller information wirelessly, providing a one-stop video transmission solution. Click here to check DJI O3 Air Unit Technical Specifications.

The DJI O3 Air Unit camera features a 155° ultra-wide-angle lens, which provides a wide field of view (FOV) to meet viewing angle needs during various flight actions.

The air unit includes a linking status indicator and link button, and is designed with ports such as a microSD card slot, USB-C port, dual-band dual-polarized antenna (IPEX1 connector), and a 3-in-1 port, making installation easier.

Tutorials

For a step-by-step guide to using DJI O3 Air Unit, click here to watch the tutorials.

User Manual

For more information about the product, please refer to the user manual: DJI O3 Air Unit User Manual.

Unboxing and Getting Started

Activate your new device before use. Download DJI Assistant 2 (Consumer Drone Series), connect your device to a computer, and activate it following the prompts. Consult the content below for a guide to unboxing and activating your device.

Unboxing

The DJI O3 Air Unit consists of the following components:

• Transmission Module
• Unit Antenna
• Camera Module

[Diagram Description: An illustration shows the three main components of the DJI O3 Air Unit: a transmission module with two antenna connectors, a separate unit antenna, and a camera module with a lens and connection ports.]

Installation Guide

Upon receipt of your DJI O3 Air Unit, attach the air unit onto the aircraft before proceeding. Follow these steps for installation:

1. Insert or solder the 3-in-1 cable plug into the socket or solder joints of the aircraft flight control board. Note: The cable sequence of different flight controllers may differ. It is recommended to check the cable sequence before attaching and using.
2. Mount the air unit onto the aircraft and check if it is installed securely.
3. Arrange the camera coaxial cable to avoid winding with other cables.
4. Fit four screws on each side of the camera module. Note: The depth of the screw hole is 2 mm. Do not overtighten screws, as excessive pressure can snap the screw and damage the circuit or FPC within the camera.
5. Mount the antenna module on the aircraft and check if it is installed securely.
6. Arrange the cables and secure the aircraft with screws.

Watch this video for more details.

Activation

Follow these steps to activate your DJI O3 Air Unit:

1. Visit DJI's official website, navigate to the DJI O3 Air Unit page, and find "Download" in the top right navigation bar to enter the download page.
2. Download DJI Assistant 2 (Consumer Drones Series) to your computer.
3. Connect the DJI O3 Air Unit to your computer using a USB-C cable.
4. Launch DJI Assistant 2 and log in with your DJI account and password.
5. After the device is successfully connected, click the DJI O3 Air Unit icon. It will prompt you to activate the device. Click "Start Activation".
6. Click "Next" to complete the activation process.

Watch this video for more details.

Linking

Before using the DJI O3 Air Unit for the first time, link the aircraft, remote controller, and goggles for a full FPV flight experience. The following steps use DJI Goggles 2 as an example:

Step 1: Link the air unit to the goggles

1. Power on the goggles and air unit, then press the link button on the goggles. The goggles will start to beep continually, indicating they have entered the linking state.
2. Press the link button on the air unit. The live view will appear on the goggles once linking is successful. Note: The linking status indicator of the air unit changes from green to red when linked, and becomes solid green upon successful linking.

Step 2: Link the air unit to the remote controller

1. Power on the remote controller and press and hold the power button again until it starts beeping, with the status indicator blinking quickly. This indicates the remote controller has been linked.
2. Press the link button on the air unit. The status indicator will stop blinking and become solid green once linking is successful.

Watch this video for more details.

Configure the flight controller parameters

After completing the above operations, use Betaflight to set the flight controller parameters.

Watch this video for more details.

Using for the First Time

[Content for 'Using for the First Time' was not detailed in the provided OCR.]

Firmware Update

The firmware of the DJI O3 Air Unit can be updated without powering on the device. Follow these steps:

1. Connect the air unit to the computer using a USB-C cable.
2. Launch DJI Assistant 2 (Consumer Drone Series).
3. Click "Firmware Update", select the latest firmware version, click "Update", and wait until the update is complete.
4. Restart the device upon completion of the update.

Watch this video for more details.

Exporting files

The DJI O3 Air Unit has internal storage of approximately 20 GB, which meets the daily shooting needs of most users. Internal storage can be expanded by installing a microSD card on the side of the image transmission module. The following microSD cards are recommended:

• SanDisk Extreme U3 V30 A1 32GB microSDXC
• SanDisk Extreme Pro U3 V30 A1 32GB microSDXC
• Kingston Canvas Go!Plus U3 V30 A2 64GB microSDXC
• Kingston Canvas React Plus U3 V90 A1 64GB microSDXC
• Kingston Canvas React Plus U3 V90 A1 128GB microSDXC
• Kingston Canvas React Plus U3 V90 A1 256GB microSDXC
• Samsung PRO Plus U3 V30 A2 256GB microSDXC

[Image Description: A close-up view of the DJI O3 Air Unit, highlighting the location of the microSD card slot.]

To export files, connect the air unit to a computer using a USB-C cable.

Watch this video for more details.

Audience Mode

The DJI O3 Air Unit supports Audience mode when used with DJI Goggles 2, allowing the live view to display on multiple goggles simultaneously. Follow these steps to link the air unit with goggles:

1. Link the aircraft with the (main) pilot goggles.
2. On the pilot goggles, select "Settings".
3. Tap "Transmission", select "Pilot", and enable "Broadcasting".
4. The device number appears (e.g., 312E), which can be found on audience goggles. After selecting the device number on audience goggles, the live view will be synchronized and displayed on them.
5. Power on audience goggles, navigate to "Settings" > "Transmission" > "Audience", and select the device number (e.g., "312E"). The live view from the pilot goggles will then be displayed on the audience goggles.

Changing an accessory

Change the camera

1. Unscrew the two screws securing the protective cover of the camera coaxial cable port, and remove the cover.
2. Using tweezers, carefully detach the coaxial cable plug and remove the coaxial cable and camera. Caution: When removing the coaxial cable plug, be careful not to cause irreversible damage to the coaxial cable connector.
3. Prepare a new camera module, align the coaxial cable plug to the air unit, and press it down. Ensure the camera module is firmly mounted.
4. Replace the protective cover and tighten the two Phillips screws.

Change the antennas

1. Unscrew the two screws securing the protective cover of the antenna port, and remove the cover.
2. Using tweezers, carefully detach the antenna connector and remove the antenna. Caution: When installing antennas, be careful not to cause irreversible damage to the antenna connectors and feeders.
3. Prepare a new antenna module, align the antenna plug to the air unit, and press it down. Ensure the camera module is firmly mounted.
4. Replace the protective cover and tighten the two Phillips screws.

Watch this video for more details.