1. Introduction
This manual provides essential information for the safe and effective use of your Denver ACT-5051W Action Camera. Please read it thoroughly before operating the device and keep it for future reference.
The Denver ACT-5051W is a compact action camera designed to capture your adventures in Full HD video and high-resolution photos. Featuring a 5 MP CMOS sensor, Wi-Fi connectivity, and a 2-inch LCD screen, it's ready for various activities, especially when housed in its waterproof case.
2. Package Contents
Upon unboxing, please ensure all items are present and in good condition. The standard package for the Denver ACT-5051W typically includes:
- Denver ACT-5051W Action Camera
- Waterproof Case
- Various Mounting Accessories (e.g., helmet mount, handlebar mount, straps)
- USB Cable
- User Manual

3. Camera Overview
Familiarize yourself with the camera's components and controls.





4. Setup and First Use
4.1. Charging the Battery
Before first use, fully charge the camera's battery. Connect the camera to a USB power source (e.g., computer, USB wall adapter) using the provided USB cable. The charging indicator will typically illuminate during charging and turn off or change color when fully charged.
4.2. Inserting a MicroSD Card
The camera requires a MicroSD (TransFlash) memory card for storing recordings. Ensure the card is formatted correctly (FAT32 recommended) and has a maximum capacity of 32 GB. Open the MicroSD card slot cover (refer to the side view image) and gently insert the card with the contacts facing the correct direction until it clicks into place.
4.3. Attaching the Waterproof Case
For underwater use or protection against impact, place the camera inside its waterproof case. Ensure the camera fits snugly and the case is securely latched to prevent water ingress. Always test the waterproof case without the camera first to ensure it is sealed correctly.
4.4. Mounting the Camera
Use the various included mounts to attach your camera to helmets, handlebars, or other surfaces. Follow the instructions specific to each mount to ensure secure attachment. Always double-check that the camera is firmly mounted before engaging in any activity.
5. Operating the Camera
5.1. Power On/Off
- To Power On: Press and hold the Power/Mode button (usually on the front or top) for a few seconds until the screen illuminates.
- To Power Off: Press and hold the Power/Mode button again until the screen turns off.
5.2. Mode Selection
Press the Power/Mode button repeatedly to cycle through different modes: Video Recording, Photo Capture, Playback, and Settings. The current mode will be displayed on the LCD screen.
5.3. Video Recording
- Switch to Video Recording mode.
- Press the OK/Shutter button (usually on top) to start recording. A red indicator light or on-screen icon will typically flash.
- Press the OK/Shutter button again to stop recording. The file will be saved to the MicroSD card.
5.4. Photo Capture
- Switch to Photo Capture mode.
- Press the OK/Shutter button to take a photo.
5.5. Menu Navigation and Settings
In Settings mode, use the Up/Down buttons (refer to side view image) to navigate through menu options. Press the OK/Shutter button to select an option or confirm a setting. Adjust video resolution, photo quality, Wi-Fi settings, date/time, and other parameters as needed.
5.6. Wi-Fi Connectivity
The ACT-5051W features Wi-Fi connectivity for remote control and file transfer via a smartphone app. Refer to the camera's on-screen instructions or the full manual for details on connecting to the dedicated app (if available) and controlling the camera remotely.
6. Maintenance
6.1. Cleaning
- Camera Body: Wipe with a soft, dry cloth. Do not use harsh chemicals.
- Lens: Use a lens cleaning cloth and specialized lens cleaning solution. Avoid touching the lens with fingers.
- Waterproof Case: After use in saltwater, rinse the case thoroughly with fresh water and let it air dry. Ensure no sand or debris is trapped in the seals.
6.2. Battery Care
- Avoid extreme temperatures.
- Do not fully discharge the battery for extended periods.
- If storing for a long time, charge the battery to about 50% and store in a cool, dry place.
6.3. Storage
Store the camera and accessories in a clean, dry place away from direct sunlight and extreme temperatures. Remove the MicroSD card if not using the camera for an extended period.
7. Troubleshooting
- Camera won't turn on: Ensure the battery is charged. Try connecting to a power source.
- Cannot record/take photos: Check if a MicroSD card is inserted and has sufficient free space. Ensure the card is formatted correctly.
- Poor video/photo quality: Check resolution settings. Ensure the lens is clean.
- Wi-Fi connection issues: Ensure Wi-Fi is enabled on the camera and your smartphone. Restart both devices.
- Water leakage in case: Immediately remove the camera. Check the case seals for damage or debris. Do not use the case if seals are compromised.
8. Specifications
| Feature | Specification |
|---|---|
| Model | ACT-5051W |
| HD Type | Full HD |
| Maximum Video Resolution | 1920 x 1080 pixels |
| Maximum Frame Rate | 30 pps (frames per second) |
| Sensor Type | CMOS |
| Total Megapixels | 5 MP |
| Maximum Image Resolution | 4000 x 3000 pixels |
| Screen Type | LCD |
| Screen Diagonal | 5.08 cm (2 inches) |
| Field of View (FOV) Angle | 140° |
| Storage Media | Memory Card |
| Compatible Memory Cards | MicroSD (TransFlash) |
| Maximum Memory Card Size | 32 GB |
| Connectivity | Wi-Fi |
| Certification | CE |
9. Warranty and Support
Your Denver ACT-5051W Action Camera is covered by a manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including the warranty period and coverage details.
For technical support, troubleshooting assistance, or warranty claims, please contact the retailer or the manufacturer's customer service. Keep your proof of purchase for any warranty-related inquiries.
Seller: MercadoActual Store





