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Dahua NVR41-4KS2 Series

Dahua NVR41-4KS2 Series
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Dahua Network Video Recorder
User's Manual
ZHEJIANG DAHUA VISION TECHNOLOGY CO., LTD. V1.1.0

Table of Contents

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Dahua NVR41-4KS2 Series Specifications

General IconGeneral
SeriesNVR41-4KS2 Series
Max Recording Resolution8MP
Max Playback Resolution8MP
Video Output1 HDMI, 1 VGA
VGA Output Resolution1920 × 1080, 1280 × 1024, 1280 × 720
Max Decoding Capability4×1080p@30fps
Audio Output1-ch, RCA
CompressionH.265/H.264
HDD Interface1x SATA
USB2x USB 2.0
Network Interface1 RJ-45 port (10/100 Mbps)
ProtocolsHTTP
Mobile Phone AccessiOS, Android
Power Supply12V DC
Power Consumption<10W (Without HDD)
Operating Temperature-10°C to +55°C (+14°F to +131°F)
Operating Humidity10%

Summary

Foreword

General

Introduces the manual's scope and purpose.

Safety Instructions

Explains signal words for hazard indication and provides tips.

Revision History

Lists manual versions, revision content, and release dates.

Important Safeguards and Warnings

Operating Requirement

Specifies conditions for safe and proper operation of the device.

Power Requirement

Details requirements for safe and correct power supply usage.

1 Features

1.1 Overview

Describes the NVR as a high-performance network video recorder.

1.2 Features

Details the capabilities of the NVR, including AI, playback, and management.

2 Front Panel and Rear Panel

2.1 Front Panel

Describes front panel components and indicators for various NVR models.

2.1.1 NVR41-4 KS2 Series Front Panel

Front panel illustration and description for NVR41-4KS2 series.

2.1.2 NVR11 HS-S3 H Series Front Panel

Front panel illustration and description for NVR11HS-S3H series.

2.1.3 NVR52-4 KS2 Series Front Panel

Front panel details for NVR52-4KS2 series.

2.1.12 NVR616-4 KS2 Series Front Panel

Front panel details for NVR616-4KS2 series.

2.2 Rear Panel

Details rear panel ports and connections for various NVR models.

2.2.1 NVR21-4 KS2 Series Rear Panel

Rear panel illustration and description for NVR21-4KS2 series.

2.2.2 NVR11 HS-S3 H Series Rear Panel

Rear panel illustration and description for NVR11HS-S3H series.

2.2.3 NVR22-4 KS2 Series Rear Panel

Rear panel details for NVR22-4KS2 series.

2.2.27 NVR608-4 KS2 Series Rear Panel

Rear panel details for NVR608-4KS2 series.

3 Device Installation

3.1 Device Installation Diagrams

Provides diagrams for installing the NVR device.

3.2 Check Unpacked NVR

Instructions for checking the NVR for damage and verifying accessories.

3.3 About Front Panel and Rear Panel

Mentions checking the NVR model number on the bottom and rear panel label.

3.4 HDD Installation

Instructions for installing HDDs, recommending enterprise/surveillance grade.

3.5 CD-ROM Installation

Instructions for installing the CD-NVROM drive.

3.6 Connection Sample

Provides connection diagrams for various NVR models.

4 Local Basic Operation

4.1 Getting Started

Covers initial setup, including booting, initialization, password reset, and quick settings.

4.2 Camera

Manages camera connections, settings, and remote device information.

4.3 Live View

Provides real-time video display and control interface features.

4.4 PTZ

Controls PTZ cameras for movement, zoom, focus, and iris adjustments.

4.5 Record File

Manages recording settings and schedules.

4.6 Playback and Search

Allows searching, playing back, and managing recorded video files.

4.7 AI

Manages and configures Artificial Intelligence features for smart analysis.

5 Web Operation

5.1 Network Connection

Steps to connect the NVR to the network and configure PC settings.

5.2 Web Login

Procedure for logging into the NVR via a web browser.

5.3 Web Main Menu

Overview of the main menu functions accessible via the web interface.

5.4 Cluster Service

Manages activities across multiple nodes in a cluster setup.

6 Glossary

Glossary Terms

Defines technical terms and acronyms used in the manual.

7 FAQ

NVR Cannot Boot Up Properly

Troubleshooting steps for NVR boot-up issues.

System Cannot Detect Hard Disk

Troubleshooting steps when the system fails to detect the hard disk.

Cannot Search Local Records

Steps to resolve issues with searching local recorded files.

NVR Cannot Control PTZ

Troubleshooting steps for PTZ control issues.

Cannot Log In

Solutions for client-end or web login problems.

Forgot Password

Procedure for recovering forgotten local or network passwords.

Daily Maintenance

Recommendations for regular cleaning, earthing, and placement.

Appendix 1 Cybersecurity Recommendations

Mandatory Actions for Basic Network Security

Essential actions for basic equipment network security.

Use Strong Passwords

Guidelines for creating strong and secure passwords.

Update Firmware and Client Software

Recommendations for keeping equipment and software up-to-date.

Nice to have Recommendations

Additional recommendations to improve equipment network security.

Physical Protection

Suggestions for physical security of equipment and storage devices.

Change Passwords Regularly

Advice on regularly changing passwords to reduce security risks.

Enable Account Lock

Recommends enabling account lock for security against brute-force attacks.

Disable Unnecessary Services and Choose Secure Modes

Recommends disabling unused services and using secure modes.

Appendix 2 HDD Capacity Calculation

Calculate Total Capacity Needed

Formulas and guidance for calculating HDD capacity based on video recording.

Appendix 3 Compatible Network Camera List

AXIS Camera Compatibility

Lists compatible AXIS camera models with version, encode, audio/video, and protocol.

ACTi Camera Compatibility

Lists compatible ACTi camera models with version, encode, audio/video, and protocol.

Panasonic Camera Compatibility

Lists compatible Panasonic camera models with version, encode, audio/video, and protocol.

Sony Camera Compatibility

Lists compatible Sony camera models with version, encode, audio/video, and protocol.

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