Dahua NVR21-4KS3 Series User Manual page 3

Version Revision Content
● Added smart object detection.
● Added smart sound detection.
● Added AcuPick function.
● Added EPTZ linkage.
● Updated live view control bar.
V2.3.3
● Updated modifying channel name.
● Updated playback.
● Updated port settings.
● Added registration ID.
V2.3.2 Added 14 models.
V2.3.1 Added 8 models.
● Added NVR608H-32-XI/NVR608H-64-
V2.3.0
● Added smart tracking and sub screen
V2.2.0 Added AI SSA and Quick Pick.
V2.1.0 Updated cluster service.
● Added intelligent diagnosis.
● Added report query.
● Added resetting password through
V2.0.0
● Added LLDP.
● Updated several figures of the local page.
Added NVR11HS-W-S2-CE and NVR11HS-W-
V1.4.0
S2-FCC.
● Added some models.
● Updated the web login page.
V1.3.0
● Added privacy masking.
● Added AI codec.
Added NVR44-4KS2/I, NVR44-16P-4KS2/I,
V1.2.0
NVR48-4KS2/I, and NVR48-16P-4KS2/I.
Combined AI and non-AI models and deleted
V1.1.0
discontinued models.
V1.0.10 Added several models.
V1.0.9 Added 6 models.
V1.0.8 Added 5 models.
● Added 2 models.
V1.0.7
● Added "5.11.7 Cellular Network".
XI/NVR608H-128-XI/NVR608RH-32-
XI/NVR608RH-64-XI/NVR608RH-128-XI.
mirroring.
DMSS app.
II
User's Manual
Release Time
June 2023
April 2023
February 2023
August 2022
June 2022
April 2022
March 2022
January 2022
November 2021
June 2021
May 2021
April 2021
February 2021
January 2021
August 2020