Dahua HCVR5104C User Manual page 310

Step 4 Set unlock pattern.
After set unlock pattern, device goes to password protection interface. See
Figure 4- 3.
Note
The unlock pattern shall at least contain 4 grids.

Device adopts unlock pattern to login by default if you have set pattern here.

If there is no unlock pattern, please input the password to login.
Click Skip if there is no need to set unlock pattern.

Figure 4- 2
Figure 4- 3
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