HIKVISION iDS-TCD403-BI - Chapter 5 Encoding and Display; 5.1 Set Video Encoding Parameters

3.1.6 Start/Stop Two-Way Audio
The device supports two-way audio with terminals, such as computers.
Before You Start
The device is equipped with an audio input interface and audio output interface, which support
connecng with the corresponding devices, such as microphones and loudspeakers.
Steps
1.
Click to start live view.
2. Click to start two-way audio.
When speaking at the PC end, you can hear the voice at the device end and vice versa.
3. Click
to stop two-way audio.
3.1.7 Enable/Disable Audio
Enable the audio if necessary aer connecng an audio input device under the audio & video
stream. Click to enable and adjust it. Click the icon again to disable this funcon.
3.1.8 Enable Digital Zoom
You can enable digital zoom to zoom in a certain part of the live view image.
Steps
1. Click to start live view.
2. Click to enable digital zoom.
3. Place the cursor on the live view image
posion which needs to be zoomed in. Drag the mouse
rightwards and downwards to draw an area.
The area will be zoomed in.
4. Click any
posion of the image to restore to normal image.
5. Click to disable digital zoom.
3.1.9 Enable Regional Focus
Steps
1. Click .
2. Drag the cursor from the upper
le corner to the lower right corner to select the area that
needs to be focused.
Result
The selected area is focused.
Network Trac Camera (for Trac Flow Camera) User Manual
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