IC Realtime Max Series: 4/8/16 Channel D1 1.5U Standalone DVR - Manual (Page 120)

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7.3 LAN Mode
For the LAN mode, after you logged in, you can see the main window. See Figure 7-9.
This main window can be divided into the following sections.
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Section 1: there are five function buttons: Live（chapter 7.4）, setup (chapter 7.8), search
(chapter 7.9), alarm (chapter 7.10), and logout (chapter 7.11).
z Section 2: There are channel number and one button: Start all. Start all button is to
enable/disable all-channel real-time monitor. Click it the button becomes yellow. See Figure
7-4.
Figure 7-4
Please refer to Figure 7-5 for main stream and extra stream switch information.
Figure 7-5
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Section 3: Start dialogue button.
You can click this button to enable audio talk. Click 【▼】 to select bidirectional talk mode.
There are four options: DEFAULT，G711a，G711u and PCM. After you enable the bidirectional
talk, the Start talk button becomes End Talk button and it becomes yellow. See Figure 7-6.
Please note, the audio input port from the device to the client-end is using the first channel audio
input port. During the bidirectional talk process, system will not encode the audio data from the 1-
channel.
Figure 7-6