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Home » portal » Technical Materials » 02 NVR » 00 Product Firmware » 02 AcuSense NVR » Acusense K » 01--76 77Acusense K---EUI

• Firmware Version: V4.84.100 build 250918
• Codec version: V5.0 build 250710 ← new build
• Web version: V5.1.45_R0102 build 250918 ← new minor build !
• Play Library: 7.4.2.62 ←- new MAJOR build ? really ?
• Plugin version: 4.0.2509.1 ← new build
• OpenSDK version: V2.16.3
• Changes:
  • Fix known issue
  • Modified functions
    • The NVR Audio Alarm Output interface supports adjusting the volume of camera sound alarm output
  • Added some new features
    • Exposure mode supports manual and automatic switching
      • Both local and web support switching between manual and automatic exposure modes
      • Both local and web support separate configuration of exposure time parameters in different modes
    • Compatible with front-end image fill light to distinguish between manual and automatic modes
      • Smart light, white light and IR light modes, it supports separate configuration and acquisition of brightness values in manual and automatic modes
    • Multi-channel cameras support configuring linked light alarms to different channels
      • Event configuration interface - supports separate configuration of flash alarm for channels 1 and 2 for dual channel cameras. If it is a dual channel camera [D1, D2] and supports two light channels, hang all light channels under D1.
      • Event linkage - Both WEB and Local Ul support separate configuration of channel 1 and 2 flash linkage for dual channel cameras.
    • Channel event linkage light alarm compatible with channel 1 and channel 2
    • Rotate mode and mirror mode optimization
      • Cancel the association between rotate mode and mirror mode;
      • The supported modes are obtained from the front-end according to their capabilities;
      • Multi-channel camera compatibility
    • When the camera is connected to the NVR for the first time and exceeds the resolution, the device automatically lowers to a resolution that can be accessed
      • Mainly covering the docking of I series 8MP splicing cameras, with 4256 * 1888 reduced to 4096 * 1860
      • Resolution switching strategy, only adapts and adjusts during the first access, and does not make secondary adjustments for subsequent customer adjustments
• https://assets.hikvision.com/prd/normal/all/files/202510/Firmware__V4.84.100_250918_S3000676643.zip
• https://assets.hikvision.com/prd/normal/all/files/202510/releasenote%5CEUI_NVR_V4.84.100_250918_ReleaseNote.pdf

skipped - no time to upgrade

• Firmware Version: V4.84.035 build 250723
• Play Library: 4.0.2409.1
• Web version: V5.0.27_R0102 build 250609 ←- new build
• OpenSDK version: V2.16.3
• Changes:
  • Fix known issue
  • Modification function: After successfull Acusearch modeling, it will not be immediately written to the hard drive and the modeling status will be updated immediately. Reduce frequent read and write operations on hard drives to prevent their lifespan from deteriorating.
• https://assets.hikvision.com/prd/normal/all/files/202508/releasenote%5CNVR_V4.84.035_250723_ReleaseNotes.pdf
• https://assets.hikvision.com/prd/normal/all/files/202507/Firmware__V4.84.035_250723_S3000662873.zip

• Firmware Version: V4.84.025 build 250516
• Codec version: V5.0 build 250228 ←- new build
• Web version: V5.0.27_R0102 build 250409 ←- new major build
• Play Library: ?
• Plugin version: 4.0.2409.1 ←- new version
• Changes:
  • Add new features, fix known defects, and optimize product performance.
• ZIP size: 309M
• digicap.dav size: 310M
• V4.84.025_build250516_ReleaseNotes.pdf
• Firmware__V4.84.025_250516_S3000649807.zip

New WebUI, play under Linux works. There is also .deb plugin to install :):

• 29M LocalServiceComponent_amd64_kylin.deb Ubuntu Kylin
• 26M LocalServiceComponent_amd64_uos.deb Unity Operating System

Kylin version looks like more Debian, so try it.

• Firmware Version: V4.83.013 build 241227
• Codec version: V5.0 build 241225 ←- new build
• Web version: V4.0.1 build 241223 ←- new build
• Play Library: ?
• Plugin version: 4.0.2411.1 ←- new version
• Changes:
  • Add new features, fix known defects, and optimize product performance.

• Firmware Version: V4.82.008 build 240520
• Codec version: V5.0 build 240221 ←- new build
• Web version: V4.0.1 build 240224 ←- new build
• Play Library: ?
• Plugin version: V4.0.0.3 ←- new version (new WebPlugins.exe (was LocalServiceComponents.exe) for windows)
• Changes:
  • https://assets.hikvision.com/prd/public/all/files/202403/releasenote%5CK20A9_V4.82.000_build240224_ReleaseNotes.pdf
  • Configuration –> Device Access –> IP Speaker
  • Configuration –> Storage –> Advanced Settings –> Other –> [ ] Enable Auto Synopsis
    • Support smooth dragging of video streams in HC (HikConnect?)
    • After enabling this function, each channel will occupies 2 GB of storage space. Continue?
  • Support Fisheye Camera Expansion
  • Support Stitching Distance
  • Support No Plug-in
    • video now works under Linux and Firefox
  • Support Export device crash information on the web
  • Optimized accept alarm picture size
    • After this function is enabled, the alarm picture supports the 768K~2M picture reporting platform
  • Support Add the platform by OTAP protocol
  • Optimize Slice playback
    • Added slice playback by month and date
  • Support 2x / 4x single-layer SVC
  • Support Local Auto Login - from NVR
  • RTC air power protection
    • When starting the device, check if the system time is abnormal in 1970 or 2004, check if there are

abnormal values in the RTC register, and check if it is less than the system time. If there are abnormalities, use the latest recording time as the system time. During system operation, monitor RTC for drift and perform real-time correction.

• Firmware Version: V4.75.005 build230630
• Codec version: V5.0 build 230608
• Web version: V4.0.1 build 230617
• Play Library: 7.3.5.0
• Plugin version: V3.0.7.500
• Changelog:
  • https://www.hikvisioneurope.com/eu//portal/portal/Technical%20Materials/02%20%20NVR/00%20%20Product%20Firmware/02%20AcuSense%20NVR/Acusense%20K/01--76%2077Acusense%20K---EUI/V4.75.005/K20A9_V4.75.005build230630_ReleaseNotes.pdf
• Reason of Upgrade
  • Add new features, fix known defects, and optimize product performance.
• New features:
  • You can input user name and password when Plug-and-Play adding method
  • You can add Hikvision Switch Device to NVR, and support to configure Switch event.
  • Flexible arming and disarming with Hik-Connect. There are three ways available: Arm, Arm silently and Disarmed. You can create groups to set the arm status.
  • You can configure Flashing Alarm and Audio Alarm on local EUI.
  • You can configure Flashing Alarm and Audible Alarm on web site, and you can customize voice on Web site and Hik-Connect
  • Modify the camera name of third-party cameras and the camera which added by RTSP
  • You can quickly filter vehicle event by Search Range
  • Perimeter algorithm optimization
    • Support max and min rule

• Firmware version: V4.74.017_230418
• Codec version: V5.0 build 230414
• Web version: V4.0.1 build 230213
• Play Library: 7.3.5.0
• Plugin version: V3.0.7.500
• Changelog:
  • https://assets.hikvision.com/prd/public/all/files/202305/K20A9_K20A9_V4.74.017%20build230418_ReleaseNotes.pdf
  • Fix known defects and optimize product performance.
• It beeps every 1 minute

• V4.74.000 build 230213
  • Fix known defects and optimize product performance
  • Play library: 7.3.5.0
  • Web component: V4.0.1 build 230213
  • DO NOT INSTALL - IT BEEPS EVERY 1 MINUTE

• Firmware version: V4.73.006 build 221108
  • Fix known defects and optimize product performance
  • Firmware_V4.73.006_221108
• Code version: V5.0 build 221103
• HW B-R-K20A9_K20A9-00
• Web version: V4.0.1 build 220929
• Plugin version: V3.0.7.500
• Play library: 6.0.0.5 *

• Firmware version: V4.71.106 build 220630
• Hardware version: V5.0 build 220624
• Web version: V4.0.1 build 220411
• Plugin version: V3.0.7.500

AVAIL firmware:

• Firmware Version: V4.82.100 build240606
• Codec version:
• Web version: V
• Play Library:
• Plugin version: V