PLANET NVR-3210 - Manual (Page 8)

8
Connector Description
USB Connect your USB flash disk for firmware upgrade and backup
Reset Press and hold reset button for 30 seconds to factory default
HDMI HDMI output
Ethernet 10/100Mbps network
2.1.6 NVR-420 HDD Installation
1. Locate the screws highlighted above on the back of the NVR.
2. Use a Philips screw driver to release the screws.