1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your USAFEQLO AHB8004T-Y Hybrid 4-Channel AHD 5MP-N DVR. This device is designed for advanced surveillance systems, supporting multiple video input types including AHD, TVI, CVI, CVBS, XVI, and IP cameras, and utilizing efficient H.265+ video compression for optimal storage and bandwidth usage.
The DVR features a NOVATEK NT98321 main processor, offering robust performance for monitoring and recording. It supports simultaneous VGA and HDMI-Compatible full HD output, ONVIF for third-party integration, and various cloud technologies for remote access and alarm notifications.
2. Setup Guide
2.1 Package Contents
- USAFEQLO AHB8004T-Y DVR Mainboard
- SATA Cable (1 pc)
- HDD Power Cable (1 pc)
2.2 Hardware Overview
Familiarize yourself with the DVR mainboard and its connectors:

Image: Labeled diagram of the DVR mainboard ports, including SATA, HDD Power, BNC (Video In), Audio Out, HD (HDMI), Audio In, USB, RJ45, and DC12V.
2.3 Hard Drive Installation
The DVR supports one SATA port for a 3.5'' HDD, with a maximum capacity of 14TB. It is recommended to use security-grade HDDs from brands like TOSHIBA, Seagate, or WD for optimal performance and reliability.
- Connect the provided SATA data cable to the SATA port on the DVR mainboard and to your HDD.
- Connect the provided HDD power cable to the HDD Power connector on the DVR mainboard and to your HDD.
- Secure the HDD within your DVR enclosure (not included).

Image: DVR mainboard shown with SATA data and power cables connected, illustrating HDD connection points.
2.4 Power Supply
The DVR requires a 12V/2A power supply (not included). Connect the power supply to the DC12V input port on the mainboard.
2.5 Video Output Connection
Connect your monitor to either the VGA or HDMI-Compatible port. Ensure your monitor's resolution is compatible with the DVR's output resolution (up to 1080P). Mismatched resolutions can lead to display issues.
2.6 Network Connection
Connect an Ethernet cable to the RJ45 10/100M network interface for network access and remote monitoring capabilities.
2.7 Camera Connection
Connect your AHD, TVI, CVI, CVBS, or XVI cameras to the BNC video input ports. For IP cameras, ensure they are on the same network as the DVR and configured correctly for network input.
3. Operating Instructions
3.1 User Interface Overview
The DVR features an intuitive graphical user interface (GUI). Navigate through menus using a connected mouse.

Image: Screenshot of the DVR's main menu, showing icons for Record, Alarm, System, Advanced, Info, and Logout.
3.2 Video Encoding Settings (H.265+)
The DVR supports H.265+ encoding, which significantly reduces bandwidth and storage requirements compared to H.264. When an AHD 5MP camera is connected, the encode menu will display '5MP-N' for accurate resolution information, even if it defaults to 1080P initially.

Image: Screenshot of the H.265+ encoding settings menu, detailing options for channel, compression, resolution, frame rate, bit rate type, and quality.

Image: Visual comparison illustrating how H.265 compression offers approximately 50% savings in bandwidth and storage compared to H.264.
3.3 Playback
The DVR supports 2-channel local playback for analog input mode. You can search for recordings by time, calendar, event, or channel.

Image: Screenshot of the 2-channel playback interface, showing the ability to play back up to 4 AHD 5MP cameras.

Image: Screenshot of the playback mode menu, offering various search options including Common Playback, Sync Playback, Dayparting, Smart Express, Smart Search, and Face Search.
3.4 Motion Detection & Email Alert
Configure motion detection zones and sensitivity levels. When motion is detected, the NVR can trigger an alarm, send an email notification, or begin recording to the hard disk.

Image: Screenshot of the alarm settings menu, showing options for motion detect, video blind, video loss, alarm input/output, abnormality, human detect, and face detection.
3.5 Face Detection
The DVR supports face detection functionality, provided that the connected cameras are XM XVI compatible.

Image: Screenshot demonstrating the face detection feature, highlighting detected faces and associated recorded events.
3.6 Mobile Monitoring (XMeye App)
For remote monitoring, download and install the XMeye app on your iPhone or Android device. The app allows you to view live feeds, playback recordings, and receive alerts.

Image: Step-by-step guide for setting up the XMeye app, including downloading the app, finding the camera serial number, and adding the device.
3.7 System Settings
Access the System menu to configure various DVR settings:
- General: Set time zone, date/time format, language, video standard (PAL/NTSC), and auto logout.
- Network: Configure network parameters.
- NetService: Manage cloud services, NTP, Email, FTP, etc.
- Info: View HDD information, system logs, and firmware version.

Image: Screenshot of the language selection menu, showing various language options for the DVR interface.

Image: Screenshot of the system general settings, specifically showing the video standard (PAL/NTSC) selection.

Image: Screenshot of the display resolution settings, offering options like 1024*768, 1280*720, 1280*1024, and 1920*1080.

Image: Screenshot of the system information menu, displaying firmware version, build date, serial number, and QR codes for app download.
4. Maintenance
4.1 CMOS Battery
The DVR mainboard uses a CR2032 lithium battery for maintaining time and settings. If your package did not include this battery, you will need to purchase one separately and install it in the designated battery holder on the mainboard.

Image: Diagram showing the dimensions of a CR2032 battery and its typical placement on various DVR mainboards.
4.2 General Care
- Keep the DVR in a cool, dry, and well-ventilated area.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Clean the device regularly with a soft, dry cloth. Do not use liquid cleaners.
5. Troubleshooting
5.1 No Display or Incorrect Display
- Ensure your monitor's resolution matches the DVR's output resolution (e.g., 1920x1080P). Adjust the monitor's settings or the DVR's display settings if necessary.
- Check all video cable connections (VGA/HDMI).
5.2 Camera Compatibility Issues
- This DVR supports AHD, TVI, CVI, CVBS, XVI, and IP cameras. Ensure your cameras are compatible with one of these standards.
- If using cameras from other manufacturers, contact the seller for compatibility verification.
5.3 Recording or Playback Problems
- Verify that a compatible security-grade HDD is properly installed and formatted.
- Check recording schedules and motion detection settings.
5.4 Remote Access Issues
- Ensure the DVR is connected to the internet via the RJ45 port.
- Verify network settings (IP address, gateway, DNS).
- Check that the XMeye app is correctly configured with the DVR's serial number.
6. Specifications
| Category | Feature | Specification |
|---|---|---|
| System | Model | AHB8004T-Y |
| Main Processor | NOVATEK NT98321 | |
| Video | Codec | H.265+ |
| Monitor Quality | VGA (1080P at most); HDMI-Compatible 1080P | |
| Preview Ability | 4*5M-N | |
| Encode Ability | 4*5M-N | |
| Decode Ability | 4*5M-N | |
| Multi-mode Input | Analog: 4*5M-N; HVR: 4CH AHD 5MP-N + 2CH IP 2MP; Network: 16*1080P, 8*5M | |
| Digital to Analog Conversion | Unsupport (except hybrid mode) | |
| Motion Detection | 192 (16*12) detection areas; multi-level sensitivity (Limited local channel) | |
| Audio | Audio Compression | G.711A |
| Intercom | Support | |
| Record & Playback | Record Mode | Manual > Alarm > Motion Detection > Timing |
| Local Playback | 2CH (analog input mode) | |
| Search Mode | By time, calendar, event, channel | |
| Storage & Backup | Video Storage | HDD, Network |
| Backup Mode | Network, USB hard disk, USB burner, SATA burner | |
| External Interface | Video Input | 4ch BNC |
| Video Output | 1ch VGA, 1ch HDMI-Compatible | |
| Audio I/O | 4/1 | |
| Network Interface | RJ45 10M/100M self-adaption | |
| PTZ Control | RS485 (Note: This PCB has 485 Connector but no 485 Function by default. OEM order required for function.) | |
| USB | 2* USB 2.0 ports | |
| HDD | 1*SATA ports (Max 14TB/per) | |
| Wifi | Support 7601 Wifi Adapter | |
| General | Power Supply | 12V/2A (Not included) |
| Power Consumption | <15W (without HDD) | |
| Working Environment | Temperature: 0℃-+55℃, Humidity: 10%-90%, Atm: 86kpa-106kpa | |
| Dimension | 157mm*70mm | |
| Weight | 121g |
7. User Tips
- Hybrid Camera Setup: This DVR is highly versatile. You can connect a mix of analog cameras (BNC connector, less than 5MP) and IP cameras (e.g., two BNC cameras and two 2MP IP cameras) simultaneously.
- HDD Type: For reliable and continuous recording, always opt for surveillance-grade hard drives (e.g., from Toshiba, Seagate, WD) rather than standard desktop drives.
- Monitor Resolution: Before connecting, ensure your monitor's native resolution matches the DVR's default output (often 1080P) to avoid display issues.
8. Warranty and Support
8.1 Manufacturer's Warranty
This product comes with a 12-month limited manufacturer's warranty for defective items. This warranty does not cover items damaged or misused after receipt.
8.2 Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact USAFEQLO customer support through your purchase platform. When contacting support, please provide your product model (AHB8004T-Y) and a detailed description of the issue.