Q-See QC40198 - Manual (Page 102)

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QC40198 User Manual
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RS232
The RS232 interface is shown in Figure 7-37
Figure 7-37
Please refer to the following chart for detailed information.
Parameter Function
RS232 There are two options: COM 01 and keyboard.
Function
Console is to upgrade the program or debug via COM or
mini terminal software.
Keyboard: COM control protocol. You can use keyboard to
control combo DVR via COM.
Data Bit
The value ranges from 5 to 8.
Stop Bit
There are two options: 1/2.
Baud Bit You can select corresponding baud bit here.
Parity
There are three options: none/odd/even.