with the account locked it dont matter if you give it the right login or not, its been locked.. you either have to wait for the account to unlock (couple hours IIRC) or power cycle the device.
If you have the wrong password set in your NVR it will lock the camera pretty much right away.. delete the camera from your NVR and dont add it back until your back into the camera.
These two holes is reset button ! 1. Open the camera cap ! 2. then use DC 12V , 2A adapter or POE switch ( DC48V,0.5A ) for camera power supply ! 3. then use of copper wire or iron wire connect the two holes Let them short circuit 30 - 40 seconds !