Do you have a question about the OCB OCB-DVR404DB and is the answer not in the manual?
Refer all work related to the installation of this product to qualified service personnel or system installers.
Information about the hard disk drive, its vulnerability to vibration, heat, and lifespan.
Specifies the required operating environment for the DVR, including electromagnetism, temperature, humidity, and power supply.
Instructions for installing the Hard Disk Drive into the DVR unit.
Details the various ports and connectors on the back of the DVR unit.
How to connect external alarm inputs and outputs to the DVR.
Connecting PTZ (pan, tilt, zoom) cameras to the DVR system.
Description of the buttons and indicators on the DVR's front panel.
Instructions for using the IR remote controller, including ID settings.
Guide to operating the DVR using a connected USB mouse.
Overview of navigating the DVR's menu system and accessing different functions.
Details on the surveillance view, status bar, and screen switching options.
Procedures for logging into and out of the DVR system.
Instructions for shutting down and rebooting the DVR system.
How to set the system time, time format, and channel display settings.
Configuration of essential parameters like remote control ID, DVR name, and video format.
Checking HDD status, setting alarms, and formatting the hard disk drive.
Configuring record parameters, manual recording, and scheduled recording.
Setting up alarm recording, pre-record time, and motion/video loss alarms.
Searching, playing, and backing up recorded video files.
Setting up network connections, static/DHCP, and PPPoE.
Adding, modifying, and deleting users, and managing their rights.
Configuring PTZ (pan, tilt, zoom) control parameters.
Resetting various system settings to their default values.
Accessing system logs, version, and user information.
Procedures for updating the DVR's firmware.
Resetting the system to factory defaults or specific items.
Solutions to frequently encountered problems with the DVR's operation and features.
Detailed technical specifications of the DVR hardware and software.
Formulas and methods for calculating required HDD capacity for recording.
Steps to configure Internet Explorer security settings for DVR monitoring.