1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ZOSI H.265+ 5MP 3K Lite 8 Channel CCTV DVR Recorder. This advanced digital video recorder is designed for comprehensive security surveillance, featuring AI human and vehicle detection, versatile recording modes, and remote access capabilities. It supports various camera types and includes a pre-installed 2TB hard drive for extensive storage.
2. Package Contents
Please verify that all items listed below are included in your package. If any items are missing or damaged, please contact ZOSI customer support.
- 1 x 8-Channel 5MP Lite H.265+ DVR
- 1 x 12V/2A Power Supply
- 1 x USB Mouse
- 1 x User Manual (this document)

Figure 2.1: Contents of the ZOSI DVR package, including the DVR unit, power adapter, USB mouse, and user manual.
3. Setup and Installation
3.1 Physical Connections
Follow these steps to connect your DVR system:
- Connect Cameras: Connect your analog, AHD, TVI, or CVI cameras to the BNC video input ports on the back of the DVR. Ensure secure connections.
- Connect Monitor: Connect a monitor to the DVR using either the VGA or HDMI port.
- Connect Mouse: Plug the included USB mouse into one of the USB ports on the DVR for navigation.
- Connect Network (Optional): For remote access, connect an Ethernet cable from the DVR's LAN port to your router.
- Connect Power: Connect the 12V/2A power supply to the DVR's DC 12V input and then plug it into a power outlet. The DVR will power on automatically.

Figure 3.1: Front and rear panel overview of the ZOSI DVR, highlighting connection points.

Figure 3.2: Step-by-step guide for connecting the DVR and setting up remote access.
3.2 Remote Access Setup (ZOSI Smart App)
To view and control your security system remotely, download the free ZOSI Smart app:
- Download App: Search for "ZOSI Smart" in your mobile device's app store (iOS or Android) and install it.
- Register Account: Open the app and follow the prompts to register a new account.
- Add Device: Scan the QR code on your DVR or manually enter the device ID to add your DVR to the app.
- Live View: Once added, you can access live video feeds from your cameras anytime, anywhere.

Figure 3.3: Remote viewing options for the ZOSI DVR on various devices.
4. Operating the DVR System
4.1 AI Human & Vehicle Detection
The DVR features advanced AI-based detection to distinguish between human and vehicle movements, significantly reducing false alarms caused by environmental factors. You can customize detection zones for each camera to focus on critical areas and exclude private spaces.
- Reduced False Alarms: Focuses on relevant events.
- Customizable Zones: Define specific areas for detection.
- Instant Alerts: Receive notifications and email alerts with screenshots upon detection.

Figure 4.1: AI Human and Vehicle Detection in action.
4.2 Recording Modes
The ZOSI DVR offers four flexible recording modes, which can be customized for each camera:
- Continuous Recording: Records footage 24/7.
- Scheduled Recording: Records only during specified time periods.
- Motion Detection Recording: Records only when motion is detected (recommended with AI detection for efficiency).
- Recycle Recording: Automatically overwrites the oldest footage when the hard drive is full.
4.3 Local and Remote Playback
You can playback recorded footage directly from the DVR connected to a monitor or remotely via the ZOSI Smart app or ZOSI Client software on a PC/tablet. Use the timeline to easily search for specific events by date, hour, or minute.

Figure 4.2: Playback interface on desktop and mobile devices.
4.4 Hybrid Capability and Compatibility
The ZOSI DVR is a 4-in-1 hybrid system, supporting various camera technologies:
- 960H Analog
- 720P/1080P AHD
- 720P/1080P/12.5fps 5MP TVI
- CVI
Important Compatibility Notes:
- This DVR is not compatible with IPC or PoE cameras.
- It does not support analog cameras above 5MP.
- All cameras connected to this DVR must be wired, not wireless.
- The DVR does not support data storage for ZOSI IPC products.

Figure 4.3: Hybrid 4-in-1 DVR compatibility.

Figure 4.4: Detailed camera compatibility chart.
4.5 H.265+ Video Compression
The DVR utilizes ZOSI's self-developed H.265+ video coding technology. This advanced compression optimizes storage by focusing on surveillance scene characteristics, providing better image quality while saving approximately 80% more storage space compared to H.264.
4.6 Privacy Masking
You can configure privacy masks to block out selected areas on the screen from being recorded or viewed, ensuring privacy for sensitive locations within the camera's field of view.
5. Maintenance
To ensure optimal performance and longevity of your ZOSI DVR system, consider the following maintenance tips:
- Clean Regularly: Gently clean the DVR unit and camera lenses with a soft, dry cloth to remove dust and debris. Avoid abrasive cleaners.
- Ventilation: Ensure the DVR is placed in a well-ventilated area to prevent overheating. Do not block ventilation openings.
- Power Stability: Use a surge protector to protect the DVR from power fluctuations and surges.
- Firmware Updates: Periodically check the ZOSI official website for firmware updates to ensure your system has the latest features and security enhancements.
- Data Backup: Regularly back up important footage to an external storage device if needed.
6. Troubleshooting
This section addresses common issues you might encounter with your ZOSI DVR. If you experience problems not covered here, please contact ZOSI technical support.
6.1 No Video Output
- Check Power: Ensure the DVR and monitor are properly powered on and their power adapters are securely connected.
- Cable Connections: Verify that the HDMI/VGA cable connecting the DVR to the monitor is securely plugged in at both ends. Try a different cable or port if available.
- Monitor Input: Ensure your monitor is set to the correct input source (HDMI or VGA).
- Camera Connections: Check all camera BNC connections to the DVR. Ensure cameras are powered.
6.2 Hard Drive Issues (e.g., "Disk Lost" error)
- Check HDD Connection: Ensure the internal hard drive is securely connected to the DVR's SATA power and data cables.
- Format HDD: If the hard drive is new or recently installed, it may need to be formatted through the DVR's system settings.
- HDD Health: A
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