1. Introduction
The Hiseeu 5-in-1 4K 8MP AHD DVR XVR is a versatile digital video recorder designed for comprehensive security surveillance. It supports multiple camera types, including AHD, TVI, CVBS, CVI, and IP cameras, offering flexible integration into existing or new security systems. With support for up to 8MP/4K resolution and efficient H.265 compression, this XVR provides high-quality video recording while optimizing storage space. This manual will guide you through the setup, operation, and maintenance of your Hiseeu XVR.

2. Setup
2.1. Package Contents
Before you begin, please verify that all items are included in your package:
- 1 x Hiseeu 4CH/8CH/16CH XVR Unit
- 1 x User Manual
- 1 x Power Adapter
- 1 x HDMI Cable
- 1 x USB Mouse
- 4 x Screws (for HDD installation)

2.2. Hard Drive (HDD) Installation
The XVR supports a maximum of 6TB HDD/SSD (2.5-inch or 3.5-inch). If your XVR did not come with a pre-installed HDD, follow these steps:
- Unscrew and remove the top cover of the XVR.
- Connect the SATA power and data cables from the XVR to your HDD/SSD.
- Secure the HDD/SSD to the bottom of the XVR chassis using the provided screws.
- Replace the top cover and secure it with screws.



2.3. Connecting Peripherals
Refer to the connection diagram for proper wiring:

- Cameras: Connect your Analog/AHD/CVI/TVI cameras to the 'VIDEO IN' BNC ports. For IP cameras, connect them to your router, which should then be connected to the XVR's RJ45 network port. The XVR supports adaptive access for various camera types.
- Display: Connect a monitor via the HDMI or VGA port.
- Audio: Connect a microphone to the 'AUDIO IN' port and a speaker to the 'AUDIO OUT' port if audio recording/playback is desired.
- Network: Connect an Ethernet cable from your router to the XVR's RJ45 10/100M network port for remote access and IP camera connectivity.
- USB Devices: Connect the included USB mouse to one of the USB 2.0 ports. You can also connect a USB flash drive (UFD) for backup.
- Power: Connect the DC12V power adapter to the 'DC12V' input port and plug it into a power outlet.

2.4. Video Standard Compatibility
The Hiseeu XVR is compatible with both PAL and NTSC video standards, ensuring broad compatibility with different regional camera systems.

3. Operating Instructions
3.1. Initial Power-On and Setup Wizard
Upon first power-on, the system may guide you through an initial setup wizard to configure basic settings such as language, time zone, network, and recording preferences. Follow the on-screen instructions.
3.2. Remote Access via Guard Live App
The Hiseeu XVR supports remote monitoring via the 'Guard Live' mobile application, available for both Android and iOS devices. This allows you to view live feeds and playback recordings from anywhere, anytime.
- Download the 'Guard Live' app from the App Store (iOS) or Google Play Store (Android).
- Open the app and register an account if you don't have one.
- Add your XVR device by scanning the QR code displayed on the XVR's monitor (usually found in the network settings or device info) or by manually entering the device's SN (Serial Number).
- Once added, you can access your camera feeds remotely.


3.3. Intelligent Timetable Playback
The XVR features intelligent timetable playback, allowing you to review recorded footage efficiently. You can play back any recording schedule at a given time using an intuitive interface. This is useful for daily monitoring or investigating specific events.
- Playback Modes: Regular Playback, Scheduled Playback, Motion Detect Playback.

3.4. Intelligent Detection Features
The Hiseeu XVR supports advanced detection capabilities to enhance your security:
- Human Detection: Identifies human figures to reduce false alarms.
- Motion Detection: Triggers recording and alerts when movement is detected.
- Vehicle Detection: Recognizes vehicles in the surveillance area.
- Audio Alert: Supports audio alerts for detected events.


3.5. PTZ Control Function
The XVR is compatible with AHD PTZ (Pan-Tilt-Zoom) cameras, allowing you to control camera movement and zoom directly from the XVR interface or the Guard Live app.

4. Maintenance
4.1. H.265 Compression
The XVR utilizes H.265 video compression technology, which offers significant advantages over older H.264 compression:
- Storage Efficiency: H.265 requires approximately 50% less storage space for the same video quality compared to H.264.
- Bandwidth Saving: Reduces bandwidth consumption by 50%, leading to faster transmission speeds.
- Improved Image Quality: Achieves lower bitrate while maintaining higher image quality.

4.2. Hard Drive Management
To ensure continuous recording and optimal performance, regularly check the status of your installed hard drive. The required HDD capacity depends on the number of cameras, their resolution, and the desired recording duration.
| Quantity of Camera | Resolution | 1TB (Days) | 3TB (Days) |
|---|---|---|---|
| 2 | 5MP | 75 Days | 226 Days |
| 4 | 5MP | 38 Days | 113 Days |
| 8 | 5MP | 19 Days | 57 Days |

5. Troubleshooting
- No Video Output: Ensure your monitor is correctly connected to the HDMI or VGA port and is powered on. Check the video input source on your monitor. Verify that cameras are properly connected and powered.
- No Remote Access: Confirm the XVR is connected to the internet via the RJ45 port. Check network settings on the XVR and ensure the 'Guard Live' app is correctly configured with the device's SN. Ensure your mobile device has an active internet connection.
- Recording Issues: Verify that an HDD is installed and properly formatted. Check the recording schedule settings. Ensure the HDD is not full; if it is, configure overwrite settings or replace the HDD.
- System Language: The system supports multiple languages. If the display language is not as expected, navigate to the system settings menu to change it.
6. Specifications
| Feature | Specification |
|---|---|
| Brand Name | Hiseeu |
| Model Number | Y4KXVR-4/8/16 |
| DVR Power Supply | DC12V |
| Communication Interface | RS-485 |
| Network Interface | RJ45 10/100M |
| Hard Drive Size | 3.5'' (Compatible with 2.5'' and SSD, Max 6TB) |
| Video Output | 1VGA + 1HDMI-Compatible |
| Video Standard | NTSC/PAL |
| Audio Input | 4 Channel, 8 Channel, 16 Channel (depending on model) |
| Video Input Interface | BNC (1.0 Vp-p, 75Ω) |
| Compression Format | H.265, H.264 |
| HDD Capacity Options | None, 1TB, 3TB (Max 6TB supported) |
| Origin | Mainland China |
| Smart Home Platform | Other |
| Dimensions (approx.) | 10.2 inch (W) x 8.9 inch (D) x 1.7 inch (H) |

7. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the Hiseeu customer support team or refer to the official Hiseeu website. Keep your purchase receipt as proof of purchase for warranty claims.
8. User Tips
- Display Compatibility: While the XVR supports standard HDMI and VGA outputs, ensure your display device is compatible with the output resolutions of the XVR for optimal viewing.
- Language Settings: If you need to change the system language, navigate through the XVR's menu using the connected mouse to find the language settings.
- Regular Firmware Updates: Check the Hiseeu official website periodically for firmware updates to ensure your system has the latest features and security patches.
- Network Security: Always use strong, unique passwords for your XVR and Wi-Fi network to prevent unauthorized access.





