Dahua HCVR8204A-S3, User Manual

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Figure 5-141 . You can change the setup and then click OK button.
Figure 5-141
Adjust channel group sequence.
Click or to change channel sequence.
5.7.5.4 RS232
Step 1 From main menu->Setup->System->RS232.
Enter RS232 interface. See Figure 5-142.
Figure 5-142
Step 2 Set parameters.
Parameter Function
Protocol
Select the corresponding dome protocol. Default setup is console.

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 Select the baud rate.
Default setup is 115200.
Data Bit The value ranges from 5 to 8.
Default setup is 8.
Stop bit
There are three options: 1/1.5/2.
Default setup is 1.