Generic DVR password reset

[soukehal]

Generic DVR password reset
 
Hello, I have this dvr called "Embedded 4CH digital video recorder" h 264 network dvr.
model: SJ83DVR4CH
n° serial: 201204070001
carte mere:NVD1.3.120414
           7104-1G-0500
and I can't find the password for the machine :( I'm really stuck!! Please can anyone help me.

I removed battery ca na not walk

I try is not ca n° didnt walk

ADMIN, mot de passe 000000
USER01: 111111
USER02: 222222
12888
123456
1234