1. Introdución
This manual provides comprehensive instructions for the setup, operation, and maintenance of your Lorex N841A81 Series 8 Channel 4K Ultra HD Network Video Recorder (NVR). This NVR is designed to record and manage video surveillance from compatible cameras, offering advanced features for enhanced security monitoring.
2. Contido do paquete
Asegúrate de que todos os elementos que se indican a continuación estean presentes no teu paquete:
- Unidade NVR Lorex N841A81
- Adaptador de alimentación de CA.
- Rato USB
- Cable Ethernet
- Cable HDMI
- Quick Start Guide / Instruction Manual (this document)
3. Configuración
3.1 NVR Overview
Familiarize yourself with the front and rear panels of your NVR unit.

Figure 1: Front panel of the Lorex N841A81 NVR, showing the 4K Ultra HD NVR label and a front USB port.

Figure 2: Rear panel of the Lorex N841A81 NVR, displaying multiple PoE ports, HDMI, VGA, USB, LAN, and audio output connections.
3.2 Conexión inicial
- Conectar a unha pantalla: Connect the NVR to a monitor or TV using the provided HDMI cable. Alternatively, use a VGA cable (not included).
- Conectar o rato USB: Plug the USB mouse into one of the NVR's USB ports (front or rear).
- Conectarse á rede: Connect the NVR to your router using the provided Ethernet cable. This enables remote viewing and network features.
- Conectar cámaras: Connect your compatible IP cameras to the PoE ports on the rear of the NVR. The NVR provides power and data connection through these ports.
- Encendido: Connect the AC power adapter to the NVR's power input and then plug it into a power outlet. The NVR will power on automatically.
3.3 Asistente de configuración inicial
Upon initial power-on, the NVR will guide you through a setup wizard to configure basic settings such as language, time zone, and password creation. Follow the on-screen prompts to complete the setup.
4. Instrucións de funcionamento
4.1 Aplicación móbil Lorex Home
The Lorex Home app allows you to remotely view your security system from your smartphone or tablet. It also provides control over active deterrence features and allows you to receive motion-activated push notifications and email alerts.
- Descarga a aplicación: Download the free Lorex Home app from your device's app store.
- Engadir dispositivo: Scan the QR code located on your NVR to add it to your account.
- Mando a distancia Viewing: Unha vez engadido, podes view live or recorded video streams from your cameras.
- Notificacións: Configure push notifications and email alerts for motion detection events.
4.2 Detección de movemento intelixente
The NVR features advanced smart motion detection to reduce false alarms. It can differentiate between motion caused by people or vehicles, sending only the most relevant alerts.
- Configuración: Access the NVR's menu via a connected display to configure motion detection zones and sensitivity for each camera.
- Alertas: Receive push notifications or email alerts when people or vehicles are detected in configured zones.
4.3 Busca intelixente
Use the Smart Search feature to quickly review footage by filtering motion events based on area, time/date, and the type of detection (person or vehicle).
- Acceso: Navigate to the playback or search menu on your NVR.
- Filtro: Apply filters for specific events to efficiently locate relevant recordings.
4.4 Voice Control & Smart Home Compatibility
The NVR is compatible with Amazon Alexa, Google Assistant, Apple TV, and Chromecast, allowing for hands-free control and viewing.
- Integración: Follow the instructions provided by your smart home assistant or streaming device to link your Lorex account.
- Comandos de voz: Use simple voice commands to activate camera features or view live/recorded footage on your smart TV.
5. Mantemento
5.1 Xestión do disco duro
The NVR includes a local built-in security-grade 1TB hard drive, expandable up to 10TB. Regular maintenance ensures optimal recording performance.
- Capacidade de almacenamento: Monitor the remaining storage space through the NVR's system settings.
- Sobreescritura: The NVR is configured to overwrite the oldest footage when the hard drive is full, ensuring continuous recording.
- Copia de seguridade: Fai copias de seguridade regulares dos alimentos importantestage a unha unidade USB externa ou a un almacenamento en rede.
5.2 Coidados xerais
- Manteña o NVR nunha zona ben ventilada para evitar o sobrequecemento.
- Clean the exterior of the NVR with a soft, dry cloth. Avoid using harsh chemicals.
- Asegúrese de que todas as conexións de cable estean seguras.
6 Solución de problemas
If you encounter issues with your Lorex NVR, consider the following:
- Sen visualización de vídeo: Check HDMI/VGA cable connections and ensure the display is set to the correct input source.
- Sen conexión de rede: Verify the Ethernet cable is securely connected to both the NVR and your router. Check your router's internet connection.
- No Camera Footage: Ensure cameras are properly connected to the PoE ports and powered on. Check camera compatibility with the NVR.
- Problemas de detección de movemento: Review motion detection zone settings and sensitivity levels in the NVR menu or Lorex Home app.
- System Freezing/Unresponsive: Try rebooting the NVR. If the issue persists, consult the Lorex support website for firmware updates or further assistance.
7. Especificacións
| Característica | Especificación |
|---|---|
| Número de modelo | N841A81 |
| Resolución de vídeo | Ata 4K (8 MP) Ultra HD |
| Canles | 8 IP Channels with built-in PoE ports |
| Tamaño do disco duro | 1 TB (Preinstalled) |
| Capacidade de almacenamento da memoria (máx.) | 10 TB |
| Tecnoloxía de conectividade | Con cable |
| Dispositivos compatibles | Smartphone, Tablet, Television, Smart Home Assistants |
| Dimensións do paquete | 15.7 x 13.1 x 5.5 polgadas |
| Peso do elemento | 6.93 libras |
8. Garantía e soporte
For warranty information, technical support, or to access the latest firmware and documentation, please visit the official Lorex website or contact Lorex customer service. Keep your product's model number and serial number handy when seeking support.





