Qvis IZEUS 7000 NVR RANGE User Manual page 152

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Section 4: Start Talk 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. See Figure 5-3.
After you enable the bidirectional talk, the Start talk button becomes End Talk button and it
becomes yellow. Please note, if 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.
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Section 5: Instant record button. Click it, the button becomes yellow and system begins
manual record. See Figure 5-4. Click it again, system restores previous record mode.
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Section 6: Local play button.
The Web can playback the saved (Extension name is dav) files in the PC-end.
Click local play button, system pops up the following interface for you to select local play file. See
Figure 5-5.
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Figure 5-3
Figure 5-4
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