Canon 1064C001 Operation Manual page 37

Important
When "about:internet" is added, the security level in Windows 7 is the same as when using Internet Explorer. After using the
Viewer and the Setting Page, it is recommended that you remove "about:internet" and the camera host name as necessary and
restore the original security level.

Security Settings When Using an SSL/TLS Connection
When an SSL/TLS connection to the camera is made from a web browser (Internet Explorer 9/10/11) in Windows
Server 2008/Windows Server 2012, the following operations may cause the blocked content dialog box to display,
and prevent further operation.
• The launching of the Viewer and the Setting Page
• Audio reception from the Viewer
This occurs when Internet Explorer Enhanced Security Configuration (IE ESC) is enabled in Internet Explorer 9/10/11.
Use the procedures below to change this setting.
Click [Network and Internet] > [Internet Options] in [Control Panel].
1
2 Click the [Advanced] tab.
Clear the [Do not save encrypted pages to disk] checkbox in [Security].
3
Important
Note that when Internet Explorer Enhanced Security Configuration is turned back on, the [Do not save encrypted pages to disk]
checkbox also becomes enabled.

Sound Settings for Using the Audio Functions
In Windows Server 2008/Windows Server 2012, the sound function is disabled by default.
To use audio functions with the viewer, follow the steps below to enable the sound function.
1 Open [Control Panel] and click [Hardware].
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