1. Introduktion
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. Pakkens indhold
Please check the contents of your package against the list below. If any item is missing or damaged, please contact VIOFO support.
- Forreste kamera
- Bagkamera
- Bil oplader
- Mini USB-kabel
- Bagkamera kabel
- GPS Module (integrated into front camera mount)
- Værktøj til fjernelse af trim
- Kabelclips
- 3M Adhesive Pads for Front Camera (2x)
- 3M Adhesive Pads for Rear Camera (2x)
- Rear Camera Holder
- Kortlæser

Image: All components included in the VIOFO A129 Pro Duo 4K Dual Dash Cam package.
3. Produktet er slutview
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.
Nøglefunktioner:
- Dobbeltkanalsoptagelse: Front 4K (3840x2160P @30fps) and Rear 1080P (1920x1080P @30fps).
- Sony STARVIS Image Sensors: For enhanced low-light performance.
- Indbygget GPS-logger: Records speed, time, and route data.
- Dual-Band Wi-Fi (2.4 GHz og 5 GHz): For hurtigt file transfer and app control.
- Bufferparkeringstilstand: Records 15 seconds before and 30 seconds after an event.
- Super kondensator: Ensures stable power and high-temperature resistance.
- Bredt dynamisk område (WDR): Balances exposure for clear images in varying light.
- Loop Recording & G-sensor: Automatic overwrite of old footage and emergency file låsning.

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

Image: Highlights Super Night Vision, Sony Sensor, F1.8 7G Lens, and WDR features.
4. Installation
Korrekt installation er afgørende for optimal ydeevne. Følg disse trin omhyggeligt.
4.1. Montering af frontkamera
- Rengør forruden, hvor dashcam'et skal monteres.
- Attach the 3M adhesive pad to the front camera mount.
- Mount the front camera on the windshield, ideally behind the rearview spejl, der sikrer et klart view af vejen.
- Connect the power cable to the front camera.
4.2. Montering af bakkamera
- 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. Strømtilslutning
- Sæt bilopladeren i bilens 12V-stikkontakt.
- 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 eller forstyrrer køretøjets drift.

Image: Shows the VIOFO A129 Pro Duo front camera installed on a car windshield.
5. Grundlæggende betjening
5.1. Tænd/sluk
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. Loop-optagelse
Dashcam'et optager video i kontinuerlige loops. Når hukommelseskortet er fuldt, vises det ældste, der er ulåst. files will be overwritten automatically. You can set the loop recording duration in the camera settings.
5.3. Emergency Recording (G-sensor)
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. Avancerede funktioner
6.1. Parkeringstilstand
The A129 Pro Duo offers three parking modes for continuous surveillance when your vehicle is parked:
- Automatisk hændelsesdetektion: 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.
- Timelapse: Records video continuously at a low frame rate (e.g., 1/2/3/5/10/15 fps), compressing hours of footage i minutter.
- Optagelse med lav bitrate: 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. Wi-Fi-forbindelse
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 live 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 overførsel.
6.3. GPS Logger
The integrated GPS module records your vehicle's speed, location, and route data. This information is embedded in the video files og kan være 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. Superkondensator
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.

Billede: Intern view highlighting the built-in super capacitor for temperature resistance.
7. Administration af hukommelseskort
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. Firmwareopdateringer
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. Fejlfinding
If you encounter any issues with your VIOFO A129 Pro Duo, please refer to the following common problems and solutions:
- Kameraet tænder ikke: Ensure the power cable is securely connected and the car charger is working. Check your vehicle's 12V outlet.
- Optagelsen stopper uventet: Format the MicroSD card. Ensure you are using a high-quality, genuine MicroSD card.
- Problemer med Wi-Fi-forbindelse: Ensure the camera's Wi-Fi is enabled. Try restarting both the camera and your smartphone.
- GPS'en virker ikke: Ensure the GPS module is properly connected and the camera has a clear view af himlen.
- Videokvaliteten er dårlig: 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. Specifikationer
| Feature | Specifikation |
|---|---|
| Modelnavn | A129 Pro Duo |
| Forreste kameraopløsning | 4K (3840 x 2160P @30fps) |
| Bagkameraopløsning | 1080P (1920 x 1080P @30fps) |
| Billedsensor | Sony IMX317 (Front), Sony IMX291 (Rear) |
| Felt af View | 130 grader |
| Blænde | F1.8 |
| Vise | 2 tommer LCD |
| Forbindelse | Dual-Band Wi-Fi (2.4GHz & 5GHz), USB |
| Særlige funktioner | Motion Detection, Built-in GPS, Loop Recording, WDR, Buffered Parking Mode |
| Opbevaring | MicroSD-kort op til 256 GB (medfølger ikke) |
| Strømkilde | Super kondensator |
| Dimensioner | 8.4 x 3.6 x 5.2 cm |
| Vægt | 800 g |
11. Garanti og support
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.
Kontaktoplysninger:
- E-mail: support@viofo.com
- Website: Visit the official VIOFO website for live chat support and FAQs.