hikvision ds-7732ni-e4/16p

Hi all !!! I have NVR Hikvision DS-7732NI-E4/16P. it is password-protected and I do not know the password, the HBP was purchased used and it is impossible to contact its former owner. When I connect the NVR with the computer and start the SADP this connection is successful and the SASP shows me...