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8
2 Overview and Controls
This section provides information about front panel and rear panel. When you install this series
NVS for the first time, please refer to this part first.
2.1 Front Panel
2.1.1 SD backup series
Figure 2-1
Please refer to the following sheet for detailed information.
Icon Name Color Function
ACT
Power status
indication light
Red & green

Power on: red.
 In normal operation: green light always on.

In upgrading: green light flickers.
 Power off/disconnected: off.
NET
Wireless
network
status
indication light
Green
 Wireless internet in normal connection: always on.

Wireless internet in unusual connection: off.
ALM
Alarm status
indication light
Red
 Armed: always on.
 Alarm data in transmission: flickers.

Disarmed: off.
Video
Video
transmission/
record status
indication light
Blue
 Video in normal transmission: on.
 In recording: flickers.
 No video in transmission: off.
RS232
232 debug
COM
To debug COM, set IP and transmit transparent COM
data.
MIC MIC

Audio input port, active MIC analog audio signal
input.
 Input level: 100mV-5000mVp-p; input impendence:
10k ohms.
SPK Speaker: SPK
 Audio input port, bidirectional talk analog signal
output.
 Output level: 2Vrms; Output impendence: 10k
ohms.