Dahua Technology NVR2104/2108HS-W-4KS2 1U, Руководство пользователя

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Table of Contents 54
Please refer to the above interface (Figure 2-75) to enable bidirectional talk.
Listening Operation
At the PC-end, speak via the speaker or the pickup, and then you can get the audio from the earphone or
sound box at the device-end. See Figure 2-77.
Figure 2-77
2.5 Mouse Operation
Refer to the following sheet for mouse operation instruction.
Table 2-34
Left click
mouse
When you have selected one menu item, left click mouse to view menu content.
Modify checkbox or motion detection status.
Click combo box to pop up dropdown list
In input box, you can select input methods. Left click the corresponding button
on the panel you can input numeral/English character (small/capitalized). Here
← stands for backspace button.
＿
stands for space button.
In English input mode: _stands for input a backspac
e icon and ← stands for
deleting the previous character.
In numeral input mode:
_ stands for clear and ← stands for deleting the
previous numeral.
Double left
click mouse
Implement special control operation such as double click one item in the file list
to playback the video.