AVer SA series - Manual (Page 76)

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USB port, please select the System Controller Pro mode. If System Controller is connecting to DVR
through the RS485 port, please select the System Controller Pro 485 model.

Port – Select the com port that is connected with the System Controller Pro.
i
Only when System Controller is using RS485 port connect to DVR server, the port needs to be selected.
 ID – Set an ID for DVR server (0~99). This ID is a key for the System Controller to control the DVR server
when there are more than one DVR servers are connecting with the System Controller through the
RS485 port(see also
Switch Control on Multiple DVR Servers )
4.1.1 To Set the POS Setting
4.1.1.1 General Setting
1. In the System Setting dialog box, POS section, click Setting.
2. In the POS Console Setting dialog box, click Add to set a new POS setting, Modify to change the POS
setting, and Delete to remove the selected POS setting. Click OK to save and close POS Console
Setting.
3. In the POS Mapping dialog box, click OK to accept the settings and Cancel to exit without saving the new
setting.