HIKVISION DS-2TD4136T-9 Quick Start Manual page 21

Thermal Network Speed dome·Quick Start Guide
Please refer to section 3.2 to activate the system if it is inactive.
3. Change the device IP address to the same subnet with your computer by either
modifying the IP address manually or checking the checkbox of Enable DHCP.
Figure 4-4 Modify the IP Address
4. Input the password and click Save to activate your IP address modification.
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