Figure 2-139
2.14.4.4 Text Overlay
The ATM/POS function is for financial areas. It includes Sniffer, information analysis and title
overlay function. The Sniffer mode includes COM and network.
2.14.4.4.1 Net
The network type interface is shown as below. See Figure 2-140.
Please use network type if you are using network to connect to the device. The interface is
generally the same as the COM mode. The protocol depends on you self-develop protocol.
The setup may vary since connected device or the protocol is not the same.
Here we take the ATM/POS protocol to continue.
Protocol: It is to set COM sniffer protocol. You need to select protocol according to your
own development situation.
Overlay mode: There are two options: preview and encode. Preview means overlay the
card number in the local monitor video. Encode means overlay the card number in the
record file. You can view the corresponding information when playback.
Overlay Position: Here you can select the proper overlay position from the dropdown list.
Data group: There are total four groups IP.
Source IP: Source IP refers to host IP address that sends out information (usually it is
the device host.)
Destination IP: Destination IP refers to other systems that receive information.
Source port/destination port: Please input according to your own situation.
Record channel: It is for you to check record channel. The record channel applies to
one group (optional) only.
Frame ID: Six frame ID groups verification can guarantee information validity and legal. You
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