Installation guide

5
HDD1/2
Green Disk is online
Red Disk error
Amber
Solid amber when NVR-420 is recording
Blinking amber when the disk is recycling
Off No disk or disk is ofine
Channel 1~4
Green
Solid green when NVR-420 is online
Blinking during event triggered
Off Disconnect or no camera is congured
Connector Description
USB Connect your USB ash disk for rmware upgrade and backup
Reset Press and hold reset button for 30 seconds to factory default
HDMI HDMI output
Ethernet 10/100Mbps network
2.1.3 NVR-420 HDD Installation
1. Locate the screws highlighted below on the back of the NVR.