This manual applies to the following PoE NVR models:

ZR08EN & ZR08UN & ZR08PN

ZR08EM & ZR08UM & ZR08PM & ZR08DM  

ZR08DN & ZR08SN 

ZR08UC

ZR08SQ

ZR16DK & ZR16SK

ZR08SN ,  ZR08SQ ,   ZR08DN , ZR16SK ,  ZR16DK

https://ansjerfilemanager.s3.amazonaws.com/8CH+%26+16CH+POE+NVR+User+Manual.pdf

Attached is the detail User Manual for your reference.

More questions, please feel free to contact us.