1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your SDTNOVA HD SDI Camera (Model SV-SDI0550). This 2 MP 1080P HD Digital CCTV Security Camera features a 1/2.8" CMOS sensor and a 5-50mm manual varifocal HD 3MP lens, designed for various surveillance applications. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
2. Product Overview
Key Features:
- Adopting 1/2.8 CMOS image sensor, HD-SDI 2 MP 1080P output and CVBS output.
- OSD Menu at the back including D-WDR (Digital-WDR)/ DS-WDR (double scan-WDR) With 5-50mm Manual Varifocal HD 3MP Lens.
- 1080P high definition image quality, effective resolution up to 1920*1080, no latency, no compression, low loss and real-time transmission.
- HD-SDI 2MP 1080P HD Digital CCTV Security Camera color without night vision.
- Mini metal shell with double 1/4 Inch Screw Thread without power adaptor.
What's in the Box:
- SDTNOVA HD SDI Camera (Model SV-SDI0550)
- 5-50mm Manual Varifocal HD 3MP Lens (pre-installed or separate)
- DC12V 1A Adapter
- SDI Cable
- Instruction Manual

Figure 2.1: The camera packaging and included accessories, typically featuring the camera body, lens, power adapter, and SDI cable.
3. Setup
3.1 Component Identification

Figure 3.1: Rear panel of the camera, highlighting the HD-SDI output, CVBS output, DC12V power input, and OSD Menu Control joystick.

Figure 3.2: Side view of the camera, showing the 1/4" screw thread for mounting on tripods or other camera accessories.
3.2 Lens Installation
The camera comes with a 5-50mm manual varifocal lens. If not pre-installed, carefully screw the lens into the camera body's CS mount. Ensure it is securely fastened but do not overtighten.
Video 3.1: This video demonstrates the process of attaching an interchangeable lens to a similar camera model, showcasing the secure mounting of the lens onto the camera body.
3.3 Power Connection
Connect the provided DC12V 1A power adapter to the DC12V input port on the rear of the camera. Ensure the power source is stable and meets the camera's requirements.
3.4 Video Output Connection
The camera supports both HD-SDI and CVBS video outputs. Choose the appropriate output based on your monitoring equipment.
- HD-SDI Output: Connect an SDI cable from the camera's SDI port to an SDI-compatible monitor or recorder for 1080P high-definition video.
- CVBS Output: Connect a CVBS cable from the camera's CVBS port to a standard analog monitor or DVR. This output is useful for initial setup and OSD menu access if your primary display does not immediately show SDI signal.
Video 3.2: This video illustrates the connection of a similar camera model to a monitor using an SDI cable, demonstrating the process of establishing a video feed.
4. Operating Instructions
4.1 Manual Varifocal Lens Adjustment
The 5-50mm varifocal lens allows you to manually adjust the zoom and focus to achieve the desired field of view and clarity.
- Zoom Adjustment: Rotate the zoom ring on the lens to adjust the focal length (5mm for wide view, 50mm for telephoto).
- Focus Adjustment: After setting the zoom, rotate the focus ring until the image on your monitor is sharp and clear.

Figure 4.1: The SDTNOVA HD SDI Camera with its 5-50mm manual varifocal lens, showing the rings for zoom and focus adjustment.
Video 4.1: This video demonstrates the manual adjustment of zoom and focus on the camera lens, showing how to achieve a clear image at different focal lengths.
4.2 OSD Menu Control
The On-Screen Display (OSD) menu allows you to configure various camera settings such as White Balance, Exposure, ISO, Electronic Shutter, Brightness, Contrast, Sharpness, Saturation, and more. Access the OSD menu using the joystick control on the rear of the camera.
- Access Menu: Press the joystick button to enter the OSD menu.
- Navigate: Use the joystick (Up, Down, Left, Right) to navigate through menu options.
- Select/Adjust: Press the joystick to select an option or confirm a setting. Move the joystick Left/Right to adjust values.
- Exit: Navigate to the "Exit" option or press and hold the joystick for a few seconds to exit the menu.
Video 4.2: This video demonstrates how to access and navigate the On-Screen Display (OSD) menu using the joystick control on the camera, allowing for configuration of various image settings.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera body. For the lens, use a specialized lens cleaning solution and cloth to avoid scratches.
- Environment: Operate the camera within the specified working temperature range (-10℃ to 60℃). Avoid exposure to extreme moisture, dust, or direct sunlight for prolonged periods.
- Connections: Periodically check all cable connections (power, SDI, CVBS) to ensure they are secure and free from damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No video signal on monitor. |
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| Image is blurry or out of focus. |
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| OSD menu not appearing or unresponsive. |
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7. Specifications
| Feature | Specification |
|---|---|
| Model | SV-SDI0550 |
| Image Sensor | 1/2.8'' CMOS Sensor |
| Effective Pixels | 1920(H)*1080(V) / 2MP |
| Resolution | 1080P 25(PAL) / 30(NTSC) FPS |
| Lens | 5-50mm Manual Varifocal HD 3MP Lens CS Mount |
| Angle of View | 42°~110° |
| Video Output | HD-SDI, CVBS |
| Power Supply | DC12V 1A |
| Dimensions | 4.96 x 1.73 x 1.73 inches |
| Weight | Approx. 195g (14.4 ounces) |
| Working Temperature | -10℃~60℃ |
| Special Features | Image, Motion Detection, Night Vision (Color only, no IR), Portable |
8. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your purchase or contact SDTNOVA customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
For further assistance, please visit the official SDTNOVA Store: SDTNOVA Store on Amazon.





