JVC VN-H237VPU, Instructions Manual

Page: 110 / 114

110
Others
Troubleshooting (continued)
Symptom Possible Causes and Actions Taken
Reference
Page
Multicast images do not play.
●
Start manual multicast streaming from the
[Multicast] page of the camera.
●
When you receive multicast streaming using the
Built-in Viewer, check to see that multicast address
and port number matches between the [Multicast]
page of camera and the Built-in Viewer settings.
Also, use the multicast streaming on the network
supporting the IGMPv2.
●
Multicast streaming may be blocked by the
Windows 7 Firewalls. In that case, you can go
through the firewalls as follows.
A
Select [Start] - [Control Panel] - [System and
Security].
B
Open [Check firewall status] under [Windows
Firewall].
C
Open the [Advanced] menu and select
[Inbound Rules] - [New Rule].
D
In [New Inbound Rule Wizard], select
A
port
B
in [Rule type].
E
In [Protocols and Ports], enter the port
number for
A
Specific local ports
B
.
F
Selects
A
Allow the connection
B
in [Actions].
G
Selects applicable conditions in [Profile].
H
Register an arbitrary character string for the
A
Name
B
in [Name].
A
Page 59
A
Page 99
A
Page 88
The frame rate of displayed
videos is low.
●
When you are using the Built-in Viewer, check
the viewer settings.
●
If the network has a narrow bandwidth, the frame
rate will be limited.
●
If you set the video distribution setting to
A
Client
Number
B
and if the number of streaming
requests increases, the images are distributed at
a frame rate lower than the preset rate.
●
If the distribution capability (
A
Page 5) is
exceeded, images are distributed at the lower
frame rate so that the upper quantity limit of
distribution data is not exceeded.
A
Page 87
A
Page 98
A
Page 56
A white zone appears in the
Built-in Viewer.
●
If you set up Internet Explorer as follows, some
Internet Explorer graphics may not appear and will
be left white on some PCs. In such a case, you can
display Internet Explorer graphics normally by
selecting as follows.
If you select [Start] - [Control Panel] - [Appearance
and Personalization] - [Display] - [Make text and
other items larger or smaller] and select "100%
(default)", the normal drawing will start. –