Dahua HCVR82**A-S3 Series, User Manual

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For example, there is a 4-channel analog device, after the A/D switch, it can max supports 4 analog
channels and 4 IP channels. Once it has become the 3+1 mode (3 analog c1 IP channel), you
click button, system becomes 3+5 mode (3 analog c5 IP channel).

Cancel IP CAM: Click it, you can cancel IP channel. System needs to restart to restore original
status.
Figure 4-197
4.18 System Settings
4.18.1 RS232
From main menu->Setting->System->RS232, the interface is shown as below. There are five items. See
Figure 4-198.

Function: There are various devices for you to select. Console is for you to use the COM or mini-end
software to debug. The control keyboard is for you to control the device via the special keyboard.
Transparent COM (adapter) is to directly connect to the PC to transfer data. Protocol COM is for
card overlay function. Network keyboard is for you to use the special keyboard to control the device.
PTZ matrix is to connect to the peripheral matrix control.

Baud rate: You can select proper baud rate.

Data bit: You can select proper data bit. The value ranges from 5 to 8.

Stop bit: There are two values: 1/2.

Parity: There are five choices: none/odd/even/space mark.
System default setup is:

Function: Console