Foreword - Dahua NVR41 Series User Manual

General
This manual introduces the functions and operations of the NVR device (hereinafter referred to
as "the Device").
Safety Instructions
The following categorized signal words with defined meaning might appear in the manual.
Signal Words
Revision History
Version
V4.5.1
V4.5.0
V4.4.9
V4.4.8
V4.4.7
V4.4.6
V4.4.5
V4.4.4
V4.4.3

Foreword

Meaning
Indicates a high potential hazard which, if not avoided, will
result in death or serious injury.
Indicates a medium or low potential hazard which, if not
avoided, could result in slight or moderate injury.
Indicates a potential risk which, if not avoided, could result in
property damage, data loss, lower performance, or
unpredictable result.
Provides methods to help you solve a problem or save you
time.
Provides additional information as the emphasis and
supplement to the text.
Revision Content
● Added four models.
● Deleted password resetting on web.
Updated to the new baseline version.
Add Wi-Fi module and repeater.
Add new models and security center.
Add new models.
● New UI interfaces and menu tree.
● New AI functions.
Deletes specifications.
Add models: Cooper 1U (S3), Cooper 1U
(S3) with 4 PoE Ports, Compact 1U (S3)
with 8 PoE Ports Series.
● Add Compact 1U 4K(S2) with Wireless
and Smart 1U 4K(S2) with Wireless.
Add Wi-Fi AP and Repeater functions.
● 4K 1.5U (S2) with 24 PoE ports: Add
altitude 5,000 meters.
I
User's Manual
Release Time
March 2020
February 2020
December 2019
November 2019
September 2019
July 2019
June 2019
August 2018
July 2018