GeoVision GV-EBX1100 Series Firmware Manual page 49

Non-IE Browsers
When accessing the live view using Google Chrome, Firefox or Safari,
this window appears. Note the following functions are not supported on
non-IE browsers: Motion Detection, Tampering Alarm, Visual
Automation, Text Overlay and Two-Way Audio.
Note: Non-IE browsers do not support OCX plugin, so the
smoothness of the live view is obstructed. For users of non-IE
browsers, to enjoy smooth live view, download GV-WebViewer right
after you log on and you can also have access to the features of
Motion Detection, Tampering Alarm, Visual Automation, Text Overlay
and Two-Way Audio.
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Figure 3-4