1. Introducció
Thank you for choosing the VIOFO A129 Pro Duo 4K Dual Dash Cam. This device is designed to provide high-quality video recording for both the front and rear of your vehicle, enhancing driving safety and providing crucial evidence in case of incidents. This manual will guide you through the installation, operation, and maintenance of your dash cam.
The A129 Pro Duo features Ultra HD 4K recording for the front camera and Full HD 1080P for the rear, utilizing advanced Sony sensors for superior image clarity, especially in low-light conditions. It includes built-in Wi-Fi, GPS, and multiple parking modes to ensure comprehensive surveillance.
2. Contingut del paquet
Please check the contents of your package against the list below. If any item is missing or damaged, please contact VIOFO support.
- Càmera frontal
- Càmera posterior
- Carregador de cotxe
- Mini cable USB
- Cable de la càmera posterior
- GPS Module (integrated into front camera mount)
- Eina d'eliminació de retallades
- Clips de cable
- 3M Adhesive Pads for Front Camera (2x)
- 3M Adhesive Pads for Rear Camera (2x)
- Rear Camera Holder
- Lector de targetes

Image: All components included in the VIOFO A129 Pro Duo 4K Dual Dash Cam package.
3. Producte acabatview
The VIOFO A129 Pro Duo is a dual-channel dash cam system. The front camera records in stunning 4K resolution, while the rear camera captures 1080P video, providing comprehensive coverage of your vehicle's surroundings.
Característiques principals:
- Enregistrament de doble canal: Front 4K (3840x2160P @30fps) and Rear 1080P (1920x1080P @30fps).
- Sony STARVIS Image Sensors: For enhanced low-light performance.
- Registrador GPS integrat: Records speed, time, and route data.
- Dual-Band Wi-Fi (2.4GHz & 5GHz): Per ràpid file transfer and app control.
- Buffered Parking Mode: Records 15 seconds before and 30 seconds after an event.
- Supercondensador: Ensures stable power and high-temperature resistance.
- Ampli rang dinàmic (WDR): Balances exposure for clear images in varying light.
- Loop Recording & G-sensor: Automatic overwrite of old footage and emergency file bloqueig.

Image: Illustrates simultaneous 4K front and 1080P rear recording.

Image: Highlights Super Night Vision, Sony Sensor, F1.8 7G Lens, and WDR features.
4. Instal·lació
Una instal·lació correcta és crucial per a un rendiment òptim. Seguiu aquests passos amb atenció.
4.1. Instal·lació de la càmera frontal
- Netegeu la zona del parabrisa on es muntarà la càmera del salpicader.
- Attach the 3M adhesive pad to the front camera mount.
- Mount the front camera on the windshield, ideally behind the rearview mirall, garantint una claredat view de la carretera.
- Connect the power cable to the front camera.
4.2. Instal·lació de la càmera posterior
- Clean the rear window area where the rear camera will be mounted.
- Attach the 3M adhesive pad to the rear camera holder.
- Mount the rear camera on the rear window, ensuring a clear view.
- Connect the rear camera cable to the rear camera and route it to the front camera.
4.3. Connexió d'alimentació
- Plug the car charger into your vehicle's 12V power outlet.
- Connect the Mini USB cable from the car charger to the front camera.
- Route all cables neatly using the provided cable clips and trim removal tool to avoid obstructing your view or interfering with vehicle operation.

Image: Shows the VIOFO A129 Pro Duo front camera installed on a car windshield.
5. Funcionament bàsic
5.1. Encès / apagat
The dash cam will automatically power on and begin recording when connected to your vehicle's power and the engine starts. It will power off automatically when the engine is turned off.
5.2. Enregistrament en bucle
The dash cam records video in continuous loops. When the memory card is full, the oldest unlocked files will be overwritten automatically. You can set the loop recording duration in the camera settings.
5.3. Enregistrament d'emergència (sensor G)
The built-in G-sensor detects sudden movements or impacts. When triggered, the current video segment is automatically locked to prevent it from being overwritten by loop recording. You can also manually lock a video file by pressing the emergency button on the camera or using the optional Bluetooth remote control.
Video: Demonstrates key features including dual recording, GPS logging, Wi-Fi connectivity, and Bluetooth remote control for event locking.
6. Funcions avançades
6.1. Mode d'aparcament
The A129 Pro Duo offers three parking modes for continuous surveillance when your vehicle is parked:
- Detecció automàtica d'esdeveniments: The camera will automatically start recording once an event (e.g., impact or motion) is detected. It records 15 seconds before and 30 seconds after the event.
- Laps de temps: Records video continuously at a low frame rate (e.g., 1/2/3/5/10/15 fps), compressing hours of footage into minutes.
- Gravació de baixa taxa de bits: Records continuously at a low bitrate, saving storage space while maintaining video quality.
A hardwire kit (sold separately) is recommended for continuous power to enable parking mode.

Image: Illustrates Wi-Fi monitoring via smartphone and the three parking modes.
6.2. Connectivitat Wi-Fi
The built-in dual-band Wi-Fi (2.4GHz and 5GHz) allows you to connect your smartphone to the dash cam via the VIOFO app. This enables you to view viu footage, download recorded videos, change settings, and update firmware wirelessly. The 5GHz Wi-Fi offers faster transfer speeds.

Image: Shows the dash cam connected to a smartphone via 5GHz Wi-Fi for faster file transferència.
6.3. Logger GPS
The integrated GPS module records your vehicle's speed, location, and route data. This information is embedded in the video files i pot ser viewed using the VIOFO GPS Player software on a computer. The GPS also automatically synchronizes the camera's time.

Image: Displays GPS logging functionality, showing speed and location data on a map.
6.4. Super Capacitor
The A129 Pro Duo uses a super capacitor instead of a traditional lithium battery. This provides greater durability and reliability, especially in extreme temperatures (from -10°C to 65°C), ensuring stable power and longer lifespan.

Imatge: Interna view highlighting the built-in super capacitor for temperature resistance.
7. Gestió de targetes de memòria
A high-quality MicroSD card (Class 10 or higher, U3 recommended) up to 256GB is required for recording. It is recommended to format the memory card regularly (at least once a month) within the camera's settings to ensure optimal performance and prevent data corruption.
8. Actualitzacions de firmware
VIOFO regularly releases firmware updates to improve performance and add new features. You can download the latest firmware from the official VIOFO website and update it via the MicroSD card or the VIOFO app.
9. Solució De Problemes
If you encounter any issues with your VIOFO A129 Pro Duo, please refer to the following common problems and solutions:
- La càmera no s'encén: Ensure the power cable is securely connected and the car charger is working. Check your vehicle's 12V outlet.
- La gravació s'atura de manera inesperada: Format the MicroSD card. Ensure you are using a high-quality, genuine MicroSD card.
- Problemes de connexió Wi-Fi: Ensure the camera's Wi-Fi is enabled. Try restarting both the camera and your smartphone.
- El GPS no funciona: Ensure the GPS module is properly connected and the camera has a clear view del cel.
- La qualitat del vídeo és deficient: Clean the camera lenses. Ensure the protective film has been removed from the lenses. Check camera settings for resolution.
For further assistance, please contact VIOFO support.
10. Especificacions
| Característica | Especificació |
|---|---|
| Nom del model | A129 Pro Duo |
| Resolució de la càmera frontal | 4K (3840 x 2160P @30fps) |
| Resolució de la càmera posterior | 1080P (1920 x 1080P @30fps) |
| Sensor d'imatge | Sony IMX317 (Front), Sony IMX291 (Rear) |
| Camp de View | 130 graus |
| Abertura | F1.8 |
| Mostra | LCD de 2 polzades |
| Connectivitat | Dual-Band Wi-Fi (2.4GHz & 5GHz), USB |
| Característiques especials | Motion Detection, Built-in GPS, Loop Recording, WDR, Buffered Parking Mode |
| Emmagatzematge | MicroSD card up to 256GB (not included) |
| Font d'alimentació | Super condensador |
| Dimensions | 8.4 x 3.6 x 5.2 cm |
| Pes | 800 g |
11. Garantia i Suport
The VIOFO A129 Pro Duo 4K Dual Dash Cam comes with a one-year warranty. For any questions, technical support, or warranty claims, please contact VIOFO directly.
Informació de contacte:
- Correu electrònic: support@viofo.com
- Website: Visit the official VIOFO website for live chat support and FAQs.