Do you have a question about the Relong 3804D and is the answer not in the manual?
Procedures for safely powering the DVR on and off.
Guide to configure motion detection recording and sensitivity.
How to configure alarm input and triggered recording settings.
Detailed setup for motion detection alarms and handling.
How to set up and configure video loss detection alerts.
Setup for detecting and alerting on video tampering events.
How to configure email notifications for DVR events.
Setting up IP address, subnet mask, gateway, and DNS.
Detailed configuration for email alerts, including SMTP server.
Setting up camera parameters for PTZ (Pan-Tilt-Zoom) control.
Guide to configuring and using PTZ presets, patrols, and patterns.
Procedure for formatting and initializing the Hard Disk Drive.
How to add, delete, and manage user accounts and permissions.
Steps to update the DVR's system firmware via USB.