Dahua NVR21-S2 SERIES User Manual

Name: Dahua NVR21-S2 SERIES
Brand: Dahua
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179

Figure 4-55

4.2.8.2 Firmware

It is to view channel, IP address, manufacturer, type, system version, SN, video input, audio input,

external alarm and etc. See Figure 4-56.

Figure 4-56

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