playback control mode (PLAY/PAUSE, BACKWARD, FAST FORWARD, STEP
FORWORD).
● (3)
20.
Power indicator
Indicate running state of system. It's on when system power on.
21.
HDD status indicator
Flicker when HDD is working.
22.
Recording status indicator
It will be on when system is recording.
23.
Network status indicator
It will be on when the system network connection is enabled.
24.
Alarm status indicator
It will be on when alarm occur.
25.
USB Mouse port
Connector for the USB mouse.
26.
USB port
Connection of the USB interface device for upgrading firmware and backup
recorded files.
27. DVDRW or CDRW ROM (SATA interface)(For 16/24/32CH DVR)
28.
Remote sensor
Input sensor for the remote controller.
1.2 Rear Panel Connectors
4 CH DVR