To restore/reset the NVS-33 to the factory defaults:
Make sure no other devices are connected to the LAN Port on the NVS-33 (Remove the Network cable)
Power cycle NVS-33.
Approximately after 30 seconds, you should see the panel buttons illuminate red then go off.
Simultaneously press and hold the RECORD and STREAM buttons until the panel buttons start blinking in red.
Wait for about 5 seconds then release the RECORD and STREAM buttons.
The reset is complete when you see the panel buttons illuminate white.
Reconnect the LAN cable and try to locate your device with the IP Finder utility.