Step 1: Enter NVR Username and Password.
Step 2: Click “Login”.

Step 3: Click “CAMERA”.

Step 4: Click “Encode”.

Step 5: Click “Overlay”.

Step 6: Click the check box to enable Privacy Mask.
Step 7: Click the “Plus” icon.

Step 8: Draw a privacy mask area on the camera view.

Step 9: Privacy mask successfully added.
Step 10: Click “Apply”.