You can click on ‘Enter password’ on the unlock pattern page and use the login password to log in.

How to disable unlock pattern on NVR monitor?

Log into the NVR on the monitor, go to 【System】>【User】，click on ‘Edit’ on the admin User row, input the login password. And then on the pop-up window you will see an option named ‘Enable Unlock Pattern’, please uncheck it and click on ‘OK’.