1. Introduction
Thank you for choosing the Imagebon HT686Pro 6.86-inch 4K ADAS Dash Cam. This device is designed to enhance your driving experience with advanced features such as 4K Ultra HD recording, wireless CarPlay and Android Auto, ADAS safety warnings, real-time rearview, and intelligent voice control. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and safety.
2. Safety Information
Please read and understand all safety instructions before using the device. Failure to follow these instructions may result in injury or damage to the device.
- Do not attempt to disassemble, repair, or modify the device.
- Keep the device away from water, moisture, and extreme temperatures.
- Ensure the device is securely mounted and does not obstruct your view while driving.
- Use only the provided power adapter and accessories to prevent damage.
- Avoid operating the device in direct sunlight for extended periods to prevent overheating.
- Always prioritize safe driving. Do not operate the device in a way that distracts you from the road.
3. Package Contents
Verify that all items are present in your package:
- 1 x Imagebon HT686Pro Dash Cam Unit
- 1 x Car Charger
- 1 x Adhesive Mount
- 1 x AUX Line
- 1 x User Manual
- 1 x Rear Camera (Optional, depending on purchased variant)
4. Product Overview
The Imagebon HT686Pro features a 6.86-inch IPS HD touchscreen, a 4K front camera, and supports various smart connectivity options.
4.1 Key Features
- 4K Ultra HD Image Quality: 3840×2160 resolution, capturing every detail.
- Quad-Core Powerful Chip: Rockchip Cortex-A7 CPU for fast performance and 5-second startup.
- Wireless Smart Connectivity: Supports CarPlay/Android Auto for seamless phone integration.
- ADAS Safety Warning: Includes Forward Collision Warning (FCW) and Lane Departure Warning (LDW).
- Real-time Rearview Camera: 1080P AHD rearview camera with reversing guide lines (optional).
- Multiple Audio Modes: Bluetooth, AUX, FM transmission, and built-in speaker.
- Theme UI Switching: Offers 3 split-screen themes and 3 full-screen themes.
- 24-Hour Monitoring: Supports 2h/8h/12h/24h time-lapse recording.
- Loop Recording: Automatically overwrites old files when the storage card is full.
5. Setup Instructions
5.1 Mounting the Dash Cam
- Clean the desired mounting area on your dashboard or windshield.
- Attach the adhesive mount to the dash cam.
- Securely press the dash cam with the adhesive mount onto the cleaned surface, ensuring it does not obstruct your driving view.
5.2 Power Connection
- Insert the car charger into your vehicle's cigarette lighter socket.
- Connect the other end of the car charger cable to the dash cam's power input port.
- The device will power on automatically when the vehicle starts.
5.3 TF Card Installation
- Ensure the dash cam is powered off.
- Locate the TF card slot on the device.
- Insert a Class 10 or higher TF card (up to 256GB) into the slot until it clicks into place.
- To remove, gently push the card until it pops out.
5.4 Rear Camera Connection (Optional)
If your package includes a rear camera:
- Connect the rear camera cable to the designated input port on the main dash cam unit.
- Route the cable neatly along the vehicle's interior to the rear of the car.
- Mount the rear camera in a suitable location, typically above the license plate or on the rear window, ensuring a clear view.
5.5 Wireless CarPlay/Android Auto Setup
- On the dash cam, navigate to the CarPlay or Android Auto application.
- Enable Bluetooth and Wi-Fi on your smartphone.
- Search for the dash cam's Bluetooth signal on your phone and pair them.
- Follow the on-screen prompts on both your phone and the dash cam to establish the wireless connection. The device will automatically reconnect upon subsequent startups.
5.6 Screen Mirroring Setup (AirPlay/Miracast)
To mirror your phone's screen:
- On the dash cam, go to Settings, then choose 'System', and select 'ScreenCast Mode'.
- For iOS (AirPlay):
- Select 'AirPlay' on the dash cam.
- Connect your iPhone to the dash cam's Wi-Fi network (SSID and password will be displayed on the dash cam).
- Open Control Center on your iPhone and tap 'Screen Mirroring'.
- Select the dash cam from the list to begin mirroring.
- For Android (Miracast):
- Select 'Miracast' on the dash cam.
- Open your Android phone's Control Center (or equivalent) and tap 'Smart View' or 'Wireless projection'.
- Select the dash cam from the list to connect. (Note: Googlephones may not support Miracast directly, and casting names may vary between Android devices).
6. Operating Instructions
6.1 Basic Operation and UI Navigation
The device features a 6.86-inch IPS touchscreen with 1280x480 resolution and 2.5D curved glass for sensitive touch. Navigate through menus and applications by tapping and swiping on the screen. You can switch between three different UI themes to customize the interface style.
6.2 Recording Functions
- Front Recording: The 4K (3840x2160P) front camera with F1.8 aperture and 170° wide-angle lens continuously records your journey.
- Rear Recording: The optional 1080P AHD rear camera provides real-time video and a 150° wide-angle view.
- Loop Recording: When the TF card is full, the system automatically overwrites the oldest video files to ensure continuous recording. You can set video file lengths to 1, 2, or 5 minutes in the settings.
- Night Vision: Imageban technology ensures clear recordings even in low-light conditions.
6.3 ADAS Warning Systems
The Advanced Driver-Assistance Systems (ADAS) provide real-time safety warnings:
- Forward Collision Warning (FCW): Alerts you with a voice prompt like "The vehicle in front has started moving" if you are too close to the vehicle ahead.
- Lane Departure Warning (LDW): Alerts you with a voice prompt like "Lane departure" if you unintentionally drift out of your lane.
- These warnings are active even when using map navigation.
6.4 GPS Navigation
The dash cam supports GPS navigation through CarPlay or Android Auto mode. It does not have built-in GPS navigation; instead, it projects maps from your mobile phone onto its larger screen. Ensure your phone's navigation app is installed and running.
6.5 GPS Track Recording (External Module)
With an external GPS module (sold separately), the device can accurately log your vehicle's location, speed, latitude, longitude, and route. This data can be viewed via the "Roadcam" APP on your smartphone or a compatible GPS player on a computer.
6.6 Audio Output Modes
The dash cam offers multiple ways to output audio:
- Bluetooth Audio: Connect your phone via Bluetooth to play audio through your car's sound system.
- AUX Output: Use the provided AUX cable for a wired connection to your car's AUX input for stable sound quality.
- FM Transmitter: Tune the dash cam's FM transmitter to an unused frequency on your car radio to broadcast audio.
- Built-in Speaker: The device has an integrated speaker for direct audio output.
6.7 AI Voice Control
The dash cam supports Siri and Google Assistant for hands-free operation. Use voice commands to control navigation, phone calls, music playback, and other functions, enhancing driving safety.
- Music Control: "Hey Siri, play popular music"
- Phone Calls: "Hey Google, call Mom"
- Navigation Settings: "Hey Siri, navigate to the nearest gas station"
- Volume Adjustment: "Hey Google, turn up the volume"
6.8 Wi-Fi Connectivity
The device is equipped with 5GHz high-speed Wi-Fi for faster and more stable data transmission. Connect your mobile phone to the dash cam's Wi-Fi to preview real-time images, view historical records, and quickly download videos via the companion app (e.g., Roadcam APP).
6.9 24-Hour Monitoring
The dash cam supports 24-hour monitoring through time-lapse recording options (2h/8h/12h/24h). This feature requires a continuous power supply, typically achieved through a hardwire kit (sold separately) connected to your vehicle's fuse box.
7. Maintenance
7.1 Cleaning the Device
- Use a soft, dry cloth to clean the screen and body of the dash cam.
- For stubborn smudges on the screen, use a screen-cleaning solution specifically designed for electronics.
- Do not use abrasive cleaners or solvents, as they may damage the device.
- Keep the camera lenses clean for optimal recording quality.
7.2 TF Card Management
- Regularly format the TF card (at least once a month) to maintain optimal performance and prevent data corruption.
- Back up important video files to another storage device before formatting.
- Replace the TF card if you notice frequent errors or degraded performance.
7.3 Firmware Updates
Periodically check the manufacturer's website or the companion app for available firmware updates. Keeping your device's firmware up-to-date ensures you have the latest features, bug fixes, and performance improvements. Follow the instructions provided with the firmware update carefully.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | No power supply; Faulty car charger; Loose connection | Check car charger connection and vehicle's cigarette lighter socket. Try a different power source if available. |
| Recording stops or freezes | TF card error; TF card full; Incompatible TF card | Format the TF card. Replace with a new Class 10 or higher TF card if issues persist. Ensure loop recording is enabled. |
| Poor video quality | Dirty lens; Protective film on lens; Low light conditions | Clean the camera lens. Remove any protective film. Ensure adequate lighting for optimal night vision. |
| CarPlay/Android Auto not connecting | Bluetooth/Wi-Fi off; Incorrect pairing; Phone compatibility issue | Ensure Bluetooth and Wi-Fi are enabled on your phone. Re-pair the devices. Check phone compatibility with CarPlay/Android Auto. |
| ADAS warnings not working | ADAS feature disabled; Camera view obstructed; Incorrect calibration | Check ADAS settings in the menu. Ensure the front camera has a clear, unobstructed view. Recalibrate ADAS if necessary (refer to advanced settings). |
| No audio output | Incorrect audio mode selected; Volume too low; Loose AUX cable | Verify the selected audio output mode (Bluetooth, AUX, FM, Built-in Speaker). Adjust volume. Check AUX cable connection. Ensure FM frequency matches if using FM transmitter. |
9. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Imagebon |
| Model | HT686Pro |
| Item Type | Car DVR (Portable Recorder) |
| Display | 6.86-inch IPS Touch Screen |
| Camera Resolution | 3840x2160 (4K) |
| Pixels | 800Mega |
| Number Of Lenses | 1 (Front, Rear optional) |
| View Angle | 140° (Front), 150° (Rear) |
| Maximum Video Frame Rate | 30 FPS (60 FPS also listed, likely for lower resolutions) |
| Video Code | H.265 |
| Video Format | TS |
| Max External Memory | 256G |
| Memory Card Required Reading Speed | Class 10 |
| Power Source | Corded Electric (12-24V universal) |
| Working Temperature | -20℃ to 70℃ |
| Cable Length | 1.5M |
| Weight | 1.1KG |
| APP Compatibility | Roadcam APP |
| Special Features | Motion Detection, With Rearview Mirror, Waterproof, Anti Fog, Anti Vibration, Wi-Fi Function, Bluetooth, Voice Control, ADAS |
| OSD Language | Arabic, Chinese (Simplified), English, French, German, Hebrew, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Vietnamese |
| Interface | AV-In, Micro SD/TF |
| Certification | CE, RoHS |
10. User Tips
- For optimal performance of CarPlay/Android Auto, ensure your phone's operating system is up-to-date.
- When using the FM transmitter, select a clear, unused FM frequency in your area to avoid interference.
- Consider purchasing a hardwire kit for the 24-hour parking monitoring feature to ensure continuous power.
- Regularly check the mounting of the dash cam and rear camera to ensure they remain secure and provide an unobstructed view.
11. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact information provided by your retailer or the official Imagebon website. Keep your proof of purchase for warranty claims.
