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![](https://files.manualsfile.com/92138615-ds-k5671-zu/bg5d.png)
Upgrade
Click Maintenance and Security → Maintenance → Upgrade .
Select an upgrade type from the drop-down list. Click
and
select the upgrade le from your local PC. Click Upgrade to start
upgrading.
If the device has been connected to Hik-Connect and network,
when there is a new installaon package in Hik-Connect, you can
click Upgrade aer Online Update to upgrade the device system.
Note
Do not power o during the upgrading.
Restore Parameters
Click Maintenance and Security → Maintenance → Backup and
Reset .
Restore All
All parameters will be restored to the factory sengs. You
should acvate the device before usage.
Restore
The device will restore to the default sengs, except for the
device IP address and the user informaon.
Import and Export Parameters
Click Maintenance and Security → Maintenance → Backup and
Reset .
Export
Click Export to export the device parameters.
Note
You can import the exported device parameters to another
device.
Import
Click
and select the le to import. Click Import to start
import conguraon le.
Click Advanced Sengs, and enter the admin password.
Face Parameter
Custom An-Spoong Detecon
Face Liveness Level
Aer enabling face an-spoong funcon, you can set the
matching security level when performing live face
authencaon.
An-Spoong Detecon Threshold
The larger the value, the smaller the false accept rate and
the larger the false rejecon rate. The smaller the value,
the larger the false accept rate and the smaller the false
rejecon rate.
Lock Face for An-Spoong Protecon
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