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Welcome to our Support
VIVOTEK Support Center
Knowledge Base
NR/NS-series NVR (Windows-based)
Software(VAST/VAST2)
Software(VAST/VAST2)
How to upgrade VAST in NR9581/NR9681?
[Windows-based NVR] Is the license channel in NR series fixed?
[NR9581/NR9681][1.13.1.10] DI recording only records for few seconds even DI is still triggering, what could be the problem?