GeoVision GV-AS2120 IP Control Panel - Manual (Page 148)

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After installing the GV-AS / GV-EV Controller on the network, you can configure the
controller settings on the Web interface. The left menu of the Web interface is divided into
three sections:
Basic Setting
,
Advanced Setting
and
Extended Device
. The options
available vary among different controller models.
Figure 8-1
Note: Tailgating Configuration
is not supported by GV-AS Controllers firmware V1.40
or later.