DJI Osmo Action 4 User Manual
Version: v1.0 | Date: 2023.08
A line drawing of the DJI Osmo Action 4 camera, showing its compact, rectangular design with a prominent lens on the front and a touchscreen display.
Copyright and Usage
This document is copyrighted by DJI with all rights reserved. Users should only refer to this document and the content thereof as instructions to operate DJI products. The document should not be used for other purposes.
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Using this Manual
Legends
⚠️ Important
? Hints and Tips
Read Before Use
Read the following documents before using DJI™ Osmo™ Action 4:
- Osmo Action 4 Safety Guidelines
- Osmo Action 4 Quick Start Guide
- Osmo Action 4 User Manual
It is recommended to watch all tutorial videos and read the safety guidelines before using for the first time. Make sure to review the Quick Start Guide before using for the first time and refer to this User Manual for more information.
Download DJI Mimo App and Watch the Tutorial Video
Scan the QR code to download the DJI Mimo App and watch the tutorial videos.
Link to download: https://s.dji.com/guide60
Available on the App Store (iOS 12.0 or above) and Google Play (Android 8.0 or above).
Product Profile
Osmo Action 4 is capable of capturing smooth video at up to 4K/120fps and offers a 155° super-wide FOV. With DJI's latest EIS (Electronic Image Stabilization) technology, Osmo Action 4 can record super smooth footage for various sports scenes. With a 1/1.3-inch image sensor, the camera ensures low-noise footage in sports scenarios and low-light scenes with a high dynamic range or high contrast. In addition, D-Log M color mode provides a more comfortable color perception and a larger dynamic range, which is convenient for post-production color correction.
Osmo Action 4 is equipped with dual touchscreens. The front touchscreen helps capture the perfect selfie, while the rear touchscreen displays the liveview of the camera. Both touchscreens enable users to change the settings with fingertip movements. The buttons on the camera enable users to control recording or switch the shooting mode. Osmo Action 4 is waterproof at depths of up to 18 m. With different Osmo accessories, users can enjoy the full range of Osmo Action 4 features.
Overview
The Osmo Action 4 camera features the following components:
- 1. Shutter/Record Button: Used to take photos or start/stop recording.
- 2. Front Touchscreen: Used for selfies and previewing.
- 3. Lens: Captures the image.
- 4. Status LED I: Indicates camera status.
- 5. Microphone I: Captures audio.
- 6. Color Temperature Photo Sensor: Aids in color accuracy.
- 7. Microphone II: Captures audio.
- 8. USB-C Port: For charging and data transfer.
- 9. USB-C Port Cover: Protects the USB-C port.
- 10. USB-C Port Cover Release Button: Used to open the port cover.
- 11. Lens Protective Cover: Protects the lens.
- 12. Quick Switch Button: Used for power and mode switching.
- 13. Speaker: Outputs audio.
- 14. Status LED II: Indicates camera status.
- 15. Rear Touchscreen: Displays liveview and camera settings.
- 16. Battery Compartment Cover: Houses the battery.
- 17. microSD Card Slot: For storing footage.
- 18. Battery Compartment Cover Release Button: Used to open the battery cover.
- 19. Windproof Microphone: Enhances audio recording in windy conditions.
- 20. Quick-Release Slot I: For attaching accessories.
- 21. Quick-Release Slot II: For attaching accessories.
Accessories
Osmo Action 4 is compatible with various accessories to flexibly change the position to shoot various sports scenes.
Osmo Action Curved Adhesive Base Kit
The Osmo Action Curved Adhesive Base Kit includes the following accessories:
Accessory | Description |
---|---|
Osmo Action Quick-Release Adapter Mount | With a magnetic design, the quick-release adapter mount can be easily attached to the camera and connected to other accessories. |
Osmo Locking Screw | Secures the Osmo Action Quick-Release Adapter Mount to the Osmo Action Curved Adhesive Base. |
Osmo Action Curved Adhesive Base | The base forms a strong, durable, and long-lasting bond on clean and curved surfaces, ensuring secure mounting. |
Instructions for attachment: Press down on the camera until the clips of the quick-release adapter mount are firmly inserted into the quick-release slots on the camera, and then tighten the locking screws. Wipe the surface of the object before attaching the adhesive base. Attach and press the adhesive base down firmly, and hold for at least 10 seconds. It is recommended to wait 30 minutes before attaching the camera.
Important Notes:
- Press down on the camera until the clips of the quick-release adapter mount are firmly inserted into the quick-release slots on the camera, and then tighten the locking screws. Press both clips of the quick-release adapter mount when removing the camera.
- Osmo Action Curved Adhesive Base can only be applied to clean curved surfaces once. DO NOT attach the curved adhesive base to surfaces that are flat, rough, powdered, peeling, covered in dust or sand, or have oil, wax, or water stains. Otherwise, the adapter mount may not be attached firmly.
- The recommended application temperature for the base is -10° to 40° C (14° to 104° F). DO NOT attach the adhesive base to a surface with a higher or lower temperature.
Osmo Action Horizontal-Vertical Protective Frame
With the Osmo Action Horizontal-Vertical Protective Frame, users can flip the camera from the horizontal to the vertical position for different shooting angles. Open the buckle of the frame, align and place the camera into the frame, and then close the buckle. The left side of the frame is equipped with two quick-release slots, which can be used with the Osmo Action Quick-Release Adapter Mount to fasten other accessories such as the Osmo Action Curved Adhesive Base Kit and the Osmo 1.5m Extension Rod.
Battery Information
Osmo Action Extreme Battery
The Osmo Action Extreme Battery boosts Osmo Action 4 performance across a wide temperature range from -20° to 45° C (4°F to 113° F). With a 1770 mAh capacity, the battery can continuously work for up to 160 minutes.*
* Tested at room temperature (25°C/77°F) and 1080p/24fps (16:9), with RockSteady on, Wi-Fi off, and screen off. This data is for reference only.
Osmo Action Multifunctional Battery Case
The Osmo Action Multifunctional Battery Case is designed for storing two microSD cards and three Osmo Action Extreme Batteries safely. Users can check the battery levels by pressing the button once or opening the battery case. The status LEDs will display the battery level. When a charger is connected to the battery case with batteries inserted, the battery case will charge the batteries. When the batteries are inserted into the battery case, with external devices connected to the USB-C port, the batteries can be used as a power bank to charge the connected external devices.
The batteries with the highest power level will be charged first, followed by the remaining batteries. The batteries with the lowest power level will be discharged first, followed by the remaining batteries.
When using the battery case to charge the Osmo Action Extreme Battery, it is recommended to use the DJI 30 W USB-C Charger (not included) or a USB-C charger that supports Power Delivery or PPS. Three batteries can be fully charged in about two hours with the DJI 30 W USB-C Charger.
Important Precautions for Battery Case:
- DO NOT use the battery case to charge non-DJI OSMO batteries.
- Place the battery case on a flat and stable surface when in use. Ensure proper insulation to prevent fire hazards.
- DO NOT attempt to touch the metal terminals on the battery ports.
- Clean the metal terminals with a clean, dry cloth if there is any buildup.
- The battery case is not waterproof. DO NOT place it in water or spill any liquid on the case.
Using for the First Time
Attaching the Battery
Press the release button on the battery compartment cover and slide upward, then insert the battery into the battery compartment. Make sure the battery is properly inserted, then close the battery compartment cover. Note: if the battery cover is properly mounted, the red marks on the bottom will not be visible.
Inserting the microSD Card
The footage shot on Osmo Action 4 is stored on a microSD card. A UHS-I Speed Grade 3 rating microSD card is required due to the fast reading and writing speeds necessary for high-resolution video data. Refer to the recommended microSD card list in Specifications for more information. Insert the microSD card into the microSD card slot.
? Gently push the microSD card into the camera to partially eject the microSD card.
Charging Osmo Action 4
Press the release button on the USB-C port cover and slide the cover down. Connect a USB-C charger (not included) to the USB-C port using the Type-C to Type-C PD cable (included). It is recommended to use the DJI 30 W USB-C Charger or a USB-C charger that supports Power Delivery or PPS. When the status LEDs turn off, the battery is fully charged. It takes about 18 minutes to charge the battery to 80%. The battery can be fully charged in about 49 minutes.*
* Charging time was tested using a DJI 30 W USB-C Charger in a 25° C (77° F) environment. For reference only.
Activating Osmo Action 4
The DJI Mimo app is required for activation when using Osmo Action 4 for the first time. Follow the steps below to activate:
- Press and hold the Quick Switch Button to power on.
- Enable Wi-Fi and Bluetooth on the mobile device.
- Launch DJI Mimo, tap the device icon, and follow the instructions to activate Osmo Action 4.
? If there is a problem when connecting to DJI Mimo, follow these steps:
- Make sure that both Wi-Fi and Bluetooth are enabled on the mobile device.
- Make sure the DJI Mimo app has the latest firmware version.
- Swipe down from the top of the screen to enter the control menu, select Wireless Connection > Reset Connection. The camera will reset all connections and Wi-Fi passwords.
Operation
Button Features
Shutter/Record Button:
- Press once: take a photo or start/stop recording.
- Press and hold when powered off: power on quickly and begin shooting. The shooting mode will depend on the SnapShot settings. After shooting, the camera will automatically power off if left idle for three seconds.
Quick Switch Button:
- Press and hold: power on/off.
- Press once: switch between shooting modes.
Operating the Touchscreen
After the camera is powered on, both touchscreens display the liveview, shooting mode, battery level, and microSD card information. Tap or swipe on a touchscreen to interact with the camera. Note: the two touchscreens cannot be operated at the same time. When one touchscreen is operated, the other is locked.
Tap Gesture
Select the icons on both sides of the screen to playback shot footage and change the camera settings.
Swipe Down from the Top of the Screen
Enters the control menu.
Swipe Left or Right Gesture
Switches between video, photo, and other shooting modes.
Swipe Up from the Bottom of the Screen Gesture
Sets the shooting parameters such as Aspect Ratio, Countdown Timer, and Resolution.
Camera View
The camera view display may differ depending on the shooting mode. This display is for reference only.
- 1. Home Icon (?): Tap to return to the home screen.
- 2. Wi-Fi Icon (?): Displays Wi-Fi connection status.
- 3. Battery Level Icon (?): Displays the current battery level of Osmo Action 4.
- 4. microSD Card Information (?): Displays the remaining number of photos or the video duration that can be taken or recorded according to the current shooting mode. This icon is displayed only when a microSD card is inserted.
- 5. Custom Mode Icon (+?): Tap and tap to save the current configuration as a custom mode. Users can save up to five custom modes.
- 6. Shutter/Record Button (?): Tap to take a photo or to start or stop recording a video.
Shooting Modes
Scroll to select the shooting mode.
Shooting Modes | Description |
---|---|
Hyperlapse | Use Hyperlapse to record smooth timelapse videos when the camera is in motion (such as in a car or when hand-held). Tap Playback to preview timelapse videos as soon as they are captured. |
Timelapse | Use Timelapse to record timelapse videos when the camera is mounted and still. Three presets in Timelapse are designed for typical scenes such as Crowds, Clouds, and Sunset. Users can also optimize the interval and duration for recording timelapse videos. |
Slow Motion | Supports 4x or 8x slow-motion video shooting. In Slow Motion mode, the camera records the video with a high frame rate and slows the footage down to 4x or 8x the normal speed during playback. Slow Motion catches details not visible to the naked eye, which is ideal for fast-action shots. Note: slow-motion videos do not include audio. The audio file is stored as a standalone file and has the same path as the videos, which can be transferred to your computer. |
Video | Record a video. |
Photo | Take a photo or countdown photo. |
Live Stream | Osmo Action 4 supports live broadcasting to livestream platforms such as YouTube and Facebook. |
Playback
▶️: Tap to preview photos and videos as soon as they are captured.
Settings
...: Set the selected shooting mode as Basic or Pro mode. More settings become available once Pro is enabled, including FOV, Format, Exposure and White Balance. Various parameters can be set when using different shooting modes.
Shooting Parameters
1080p30: Displays the parameters of the current shooting mode. Tap to set the parameters.
Zoom
1.0x: Displays the current zoom ratio. Place two fingers on the screen and move them apart to zoom in or pinch together to zoom out.
Control Menu (Swipe Down)
Swipe down from the edge of the screen to enter the control menu.
- 1. Custom Mode: Save current configurations as custom modes.
- 2. Quick Switch: Set accessible modes for the Quick Switch Button.
- 3. Brightness: Adjust screen brightness.
- 4. Settings: Access various camera settings.
Settings Items
- SnapShot: Quickly power on and begin shooting from sleep mode.
- Single Screen Preview (Scrn Off When Locked): Enables single touchscreen operation.
- Voice Control: Control the camera with voice commands (English and Mandarin Chinese supported).
- OTG Connection: Connect to an Android device for file transfer.
- Wireless Connection: Check Wi-Fi information and reset connection.
- Video Compression: Switch between Efficiency (HEVC) and Compatibility (H.264) modes.
- Sounds: Set volume levels.
- Grid: Display grid lines for leveling.
- Timecode: Set Timecode for synchronization.
- Naming Management: Edit naming rules for folders and files.
- Scrn Off When Rec: Set screen turn-off time during recording.
- Auto Power Off: Set automatic power-off time.
- LED: Turn status LEDs on or off.
- Horizon Calibration: Calibrate the horizon.
- Continue Last Livestream: Resume a stopped livestream.
- Language: Set the camera language.
- Date and Time: Set the camera's date and time.
- Format: Format the microSD card (deletes all data).
- Factory Reset: Restore camera to original factory settings.
- Device Info: View device name, serial number, firmware version, etc.
- Compliance Info: View compliance information.
Other Functions
- 5. Orientation Lock: Switch between automatic and locked orientation.
- 6. Screen Lock: Lock the touchscreen. Swipe up to unlock.
- 7. Voice Control: Enable voice commands for camera control.
- 8. Full Front Screen: Enable or disable full screen display on the front screen.
Parameters Settings (Swipe Up)
Swipe up from the bottom of the screen to set parameters for each shooting mode.
Shooting Modes | Settings |
---|---|
Photo | Set Aspect Ratio and Countdown Timer. |
Video | Set video resolution and frame rate. Tap the upper left corner to set the duration of loop recording. Tap on the upper right corner to turn off EIS and enable RockSteady, RockSteady+, HorizonBalancing, or HorizonSteady. Different EIS modes have different stabilization performance:
|
Slow Motion | Set the video resolution and speed ratio. |
Hyperlapse | Select Hyperlapse or Timelapse mode. The speed ratio can be set in Hyperlapse mode. The scene, interval time, and shooting time can be set when using Timelapse. Tap the upper right corner to set the resolution when using Timelapse. |
Maintenance
Firmware Update
The firmware version of Osmo Action 4 is updated using DJI Mimo. Ensure the battery level is at least 15% before updating. Connect Osmo Action 4 to the DJI Mimo app. If new firmware is available, you will be notified. Update the firmware according to the on-screen instructions. The update takes approximately 2 minutes.
Underwater Usage Notes
Osmo Action 4 can be used underwater at depths of up to 18 m. When used with the Osmo Action 60m waterproof case, the device can operate up to 60 m deep. Observe the following precautions when using the device in water:
- Make sure the battery and battery compartment are dry and clean before inserting the battery. Ensure the battery compartment cover is firmly fastened.
- Make sure the USB-C port cover is clean and closed before using.
- Make sure the lens protective cover is clean and closed before using. Ensure the lens protective cover and lens are dry and clean.
- Osmo Action 4 is not waterproof unless the battery compartment cover, USB-C port cover, and lens protective cover are firmly mounted and fastened. The camera is NOT waterproof when used with Osmo Action Lens Hood.
- Avoid jumping into water at high speed with Osmo Action 4. Make sure the camera is waterproofed before jumping into water.
- DO NOT use Osmo Action 4 in hot springs or extreme underwater environments. DO NOT let Osmo Action 4 come into contact with corrosive or unknown liquids.
- Rinse the camera with clean water after using it underwater. Allow it to dry naturally. DO NOT dry with hot air using a hair dryer, as this may rupture membranes and affect waterproofing.
Attach the waterproof case for diving, surfing, extended underwater use, or situations involving high water impact. Observe precautions for the waterproof case:
- Make sure the rubber seal is clean and firmly attached.
- Ensure the waterproof case is dry and the latch is secure.
- Place the waterproof case underwater for approximately 5 minutes before use to ensure it is working properly.
- Rinse the case with tap water to prevent corrosion after using it in the sea.
Note: The touchscreens can be operated when wet but cannot function underwater. Users can press camera buttons to start recording. The shutter/record button is disabled automatically when the camera is used without the Osmo Action waterproof case at a depth of more than 14 m.
Cleaning Notes
- Clean the lens protective cover with water or a lens cleaning pen, air blower, or cloth. Ensure the camera is dry when changing the cover. Let the camera dry before using it again after water use to prevent fogging. DO NOT remove the lens protective cover frequently to avoid dust accumulation.
- Clean the lens with a lens cleaning pen, air blower, or lens cleaning cloth.
- Clean the battery and battery compartment with a clean, dry cloth.
Ensure quick-release slots are clean from dust and sand when attaching the Quick-Release Adapter Mount.
Battery Usage Notes
- DO NOT use non-DJI OSMO batteries. New batteries can be purchased at www.dji.com.
- Use the battery at temperatures between -20° to 45° C (-4° to 113° F). Temperatures above 45° C can lead to fire or explosion. Charge fully in a normal temperature environment before use in low temperatures.
- Battery performance is affected if not used for an extended period.
- Discharge and charge the battery completely once every three months.
- Remove and store the battery in the Osmo Action Multifunctional Battery Case when stored for an extended period.
Using Other Accessories (Not Included)
Osmo 1.5m Extension Rod
Diagram: A telescopic extension rod, approximately 1.5 meters long, with a camera mount at the top.
Usage Instructions:
- Adjust the telescopic length appropriately.
- DO NOT drop or strike the extension rod.
- DO NOT shake the extension rod violently when installed with the camera.
- Rinse with clean water to remove sand after underwater usage.
- DO NOT use the extension rod during thunderstorms to avoid lightning strikes.
Osmo Magnetic Ball-Joint Adapter Mount
Diagram: A mount with a magnetic base and a ball-joint for camera attachment.
Osmo Action 60m Waterproof Case
Diagram: A robust waterproof case designed for deep underwater use.
DJI Floating Handle
Diagram: A handle that provides buoyancy for the camera.
Osmo Action Suction Cup Mount
Diagram: A mount with a suction cup for attaching the camera to smooth surfaces.
Osmo Action Helmet Chin Mount
Diagram: A mount designed to attach the camera to the chin area of a helmet.
Osmo Action Chest Strap Mount
Diagram: A strap system for wearing the camera on the chest.
Osmo Action Handlebar Mount
Diagram: A mount for attaching the camera to handlebars.
Osmo Action GPS Bluetooth Remote Controller
Diagram: A compact remote controller with buttons for camera operation.
Support for DJI devices will be updated continuously. Visit https://www.dji.com/osmo-action-4 for a complete list.
Specifications
General
Category | Details |
---|---|
Dimensions | 70.5×44.2×32.8 mm (L×W×H) |
Weight | 145 g |
Waterproof | 18 m [1] without the Waterproof Case, 60 m with the Waterproof Case |
Number of Microphones | 3 |
Touchscreens | Front Screen: 1.4-inch 323 ppi 320×320 Rear Screen: 2.25-inch 326 ppi 360×640 Front/Rear Screen Brightness: 750±50 cd/m² |
Supported SD Cards | microSD (up to 512 GB) |
Recommended microSD Cards | SanDisk Extreme Pro 32GB V30 A2 UHS-I Speed Grade 3 Kingston Canvas Go!Plus 64GB UHS-I Speed Grade 3 Kingston Canvas Go!Plus 128GB UHS-I Speed Grade 3 Kingston Canvas React Plus 64GB UHS-II Speed Grade 3 Kingston Canvas React Plus 128GB UHS-II Speed Grade 3 Kingston Canvas React Plus 256GB UHS-II Speed Grade 3 Lexar Pro 256GB SDXC UHS-I V30 R160/W120 (1066x) Lexar Pro 512GB SDXC UHS-I V30 R160/W120 (1066x) |
Camera
Category | Details |
---|---|
Sensor | 1/1.3-inch CMOS |
Lens | FOV: 155° Aperture: f/2.8 Focus Range: 0.4 m to ∞ |
ISO Range | Photo: 100-12800 Video: 100-12800 |
Electronic Shutter Speed | Photo: 1/8000-30 s Video: 1/8000 s to the limit of frames per second |
Max Photo Resolution | 3648×2736 |
Zoom | Digital Zoom Photo: 4× Video: Max 2× Slow Motion/Timelapse: not available |
Still Photography Modes | Single: Approx. 10 MP Countdown: Off/0.5/1/2/3/5/10 s |
Video Recording
Category | Details |
---|---|
Standard Recording | 4K (4:3): 3840×2880@24/25/30/48/50/60fps 4K (16:9): 3840×2160@100/120fps 4K (16:9): 3840×2160@24/25/30/48/50/60fps 2.7K (4:3): 2688×2016@24/25/30/48/50/60fps 2.7K (16:9): 2688×1512@100/120fps 2.7K (16:9): 2688×1512@24/25/30/48/50/60fps 1080p (16:9): 1920×1080@100/120/200/240fps 1080p (16:9): 1920×1080@24/25/30/48/50/60fps |
Slow Motion | 4K: 4× (120fps) 2.7K: 4× (120fps) 1080p: 8× (240fps), 4× (120fps) |
Hyperlapse | 4K/2.7K/1080p: Auto/×2/×5/×10/×15/×30 |
Timelapse | 4K/2.7K/1080p@30fps Intervals: 0.5/1/2/3/4/5/6/8/10/15/20/25/30/40 s Duration: 5/10/20/30 mins, 1/2/3/5 hours, ∞ |
Stabilization | EIS[2]: RockSteady 3.0 RockSteady 3.0+ HorizonBalancing HorizonSteady |
Max Video Bitrate | 130 Mbps |
Supported File System | exFAT |
Photo Format | JPEG/RAW |
Video Format | MP4 (H.264/HEVC) |
Built-in Storage Capacity | The camera does not have built-in storage, but storage capacity can be expanded by inserting a microSD card. |
Audio Output | 48 kHz 16-bit; AAC |
Battery
Category | Details |
---|---|
Type | LiPo 1S |
Capacity | 1770 mAh |
Energy | 6.8 Wh |
Voltage | 3.85 V |
Operating Temperature | -20° to 45° C (-4° to 113° F) |
Charging Temperature | 5° to 40° C (41° to 104° F) |
Operating Time | 160 minutes[3] |
Connection
Category | Details |
---|---|
Wi-Fi Operating Frequency | 2.4000-2.4835 GHz 5.150-5.250 GHz 5.725-5.850 GHz |
Wi-Fi Protocol | 802.11 a/b/g/n/ac |
Wi-Fi Transmitter Power (EIRP) | 2.4 GHz: < 15 dBm (FCC/CE/SRRC/MIC) 5.1 GHz: < 16 dBm (FCC/CE/SRRC/MIC) 5.8 GHz: < 14 dBm (FCC/CE/SRRC) |
Bluetooth Operating Frequency | 2.400-2.4835 GHz |
Bluetooth Transmit Power (EIRP) | <3 dBm |
Bluetooth Protocol | BLE 5.0 |
Footnotes:
[1] Before use, close the battery compartment cover and the USB-C port cover, and tighten the Lens Protective Cover. It is recommended to install the Waterproof Case for long-duration underwater shooting or in environments with high water impact pressure. Osmo Action 4 and its Waterproof Case have an IP68 waterproof rating. Do not use the camera in hot springs or extreme underwater environments, or let it come into contact with corrosive or unknown liquids.
[2] EIS is not supported in Slow Motion and Timelapse modes. HorizonSteady is only available when the video resolution is 1080p (16:9) or 2.7K (16:9) with a frame rate of 60fps or below. HorizonBalancing is only available when the video resolution is 1080p (16:9), 2.7K (16:9), or 4K (16:9) with a frame rate of 60 fps or below.
[3] Tested at room temperature (25°C/77°F) and 1080p/24fps (16:9), with RockSteady on, Wi-Fi off, and screen off. This data is for reference only.
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