IC Realtime 4/8/16/32 Channel 1U PoE Network Video Recorder - Manual (Page 27)

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device can connect to the NO/C/NC port. For the NO alarm device, please connect to the
NO/C ports. For the NC alarm device, please connect to the NC/C ports. Please note the
NO/C ports are for NO alarm device only.
z Open Web, and go to the Alarm setup interface to set the alarm input and output. The alarm
01 is corresponding to the first channel of the device I/O port and so on. Please set the
NO/NC type according to the high/low level the alarm input device generated when an alarm
occurred
z Set the alarm output on the Web. The alarm output 01 is corresponding to the first group of
alarm out put port.
2.4 Bidirectional talk
2.4.1 Device-end to PC-end
Device Connection
Please connect the speaker or the pickup to the first audio input port in the device rear panel.
Then connect the earphone or the sound box to the audio output port in the PC.
Login the Web and then enable the corresponding channel real-time monitor.
Please refer to the following interface to enable bidirectional talk. See Figure 2-8.
Figure 2-8
Listening Operation
At the device end, speak via the speaker or the pickup, and then you can get the audio from the
earphone or sound box at the pc-end. See Figure 2-9.
Figure 2-9
2.4.2 PC-end to the device-end
Device Connection
Connect the speaker or the pickup to the audio output port in the PC and then connect the
earphone or the sound box to the first audio input port in the device rear panel.
Login the Web and then enable the corresponding channel real-time monitor.
Please refer to the above interface (Figure 2-8) to enable bidirectional talk.