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117
Symptom
Causes and Countermeasures
Reference
Page
Multicast images cannot be
played back
●
Start multicast transmission manually from the
[Streaming] page of VN-V686U.
●
In the case of multicast reception at Built-in Viewer,
check that the multicast address and port number
of Built-in Viewer settings coincide with those on
the [Streaming] page of VN-V686U.
Make use of a network that supports IGMP v2 for
multicast transmission.
●
Multicast may be blocked by the WindowsXP
firewall. When this occurs, perform the following to
allow it to pass through.
Double-click [Windows Firewall] under [Start]
-
[Control Panel], click the [Add Port…] button
under the Exception tab, and register the port
number to be allowed through the firewall in the
Port Number field. Enter an arbitrary character
string in the name field.
The frame rate of the displayed
image is low
●
Check Built-in Viewer settings when a Built-in
Viewer is in use.
●
Frame rate will be constrained when the network
bandwidth is narrow.
A white zone appears in Built-in
Viewer
For some computers, a part of the Internet Explorer
graphics may not appear and is left white when the
following setting is performed on the Internet Explorer.
If [Right-click on the Desktop screen]
-
[Properties]
-
[Settings]
-
[Advanced]
-
[Advanced]
-
[DPI setting] is
set to
A
Large size
B
or
A
Custom size
B
, select
A
Normal
size(96DPI)
B
to resume normal drawing.
^
A warning message appears
upon starting up Built-in Viewer
Built-in Viewer consists of a software component called
ActiveX.
The ActiveX is usually installed when Built-in Viewer is
used for the first time. However, installation may be
rejected depending on the Anti-virus software settings.
In this case, change the settings of the Anti-virus
software before installing Built-in Viewer.
^
Содержание VN-V686U
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Страница 52: ...52 Setting Using Internet Explorer Alarm Environment Page continued Setting continued B C ...
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Страница 86: ...86 Setting Using Internet Explorer Settings Page continued Setting continued ...
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Страница 121: ... 2008 Victor Company of Japan Limited LST0633 001C VN V686U PTZ IP DOME CAMERA ...