JVC VN-V225VPU Instruction Manual - Page 83

Symptom, Causes and Countermeasures, Reference

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Symptom Multicast images cannot be played back The frame rate of the displayed image is low A white zone appears in the built-in viewer Unable to receive alarm notification using the computer via TCP/UDP Images are not distributed to the network Causes and Countermeasures ● Start multicast transmission manually from the [Streaming] page of the camera. ● In the case of multicast reception at the built-in viewer, check that the multicast address and port number of the built-in viewer settings coincide with those on the [Streaming] page of the camera. Make use of a network that supports IGMPv2 for multicast transmission. ● Multicast may be blocked by the Windows XP 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. ● Check the built-in viewer settings when a built-in viewer is in use. ● Frame rate will be constrained when the network bandwidth is narrow. ● When the image distribution setting is set to the Aclient numberB mode and there is an increase in distribution request, images will be distributed at a frame rate lower than the specified frame rate. ● 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 ALarge sizeB or ACustom sizeB, select ANormal sizeB to resume normal drawing. ● Data 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. ● Check whether the [MONITOR OUT] selector switch on this camera is set to ANTSCB or APALB, ANB or APB. If either of the above is selected, change the [MONITOR OUT] selector switch setting to AOFFB. After changing the switch settings, press the [RESET] button to reboot. Reference Page A Page 48 A Page 74 A Page 66 A Page 66 A Page 75 A Page 47 - - INSTRUCTIONS (Installation) 83

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83
Symptom
Causes and Countermeasures
Reference
Page
Multicast images cannot be
played back
●
Start multicast transmission manually from the
[Streaming] page of the camera.
●
In the case of multicast reception at the built-in
viewer, check that the multicast address and port
number of the built-in viewer settings coincide
with those on the [Streaming] page of the
camera.
Make use of a network that supports IGMPv2 for
multicast transmission.
●
Multicast may be blocked by the Windows XP
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.
A
Page 48
A
Page 74
A
Page 66
The frame rate of the
displayed image is low
●
Check the built-in viewer settings when a built-in
viewer is in use.
●
Frame rate will be constrained when the network
bandwidth is narrow.
●
When the image distribution setting is set to the
A
client number
B
mode and there is an increase
in distribution request, images will be distributed
at a frame rate lower than the specified frame
rate.
A
Page 66
A
Page 75
A
Page 47
A white zone appears in the
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
B
to
resume normal drawing.
—
Unable to receive alarm
notification using the
computer via TCP/UDP
●
Data 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.
—
Images are not distributed to
the network
●
Check whether the [MONITOR OUT] selector
switch on this camera is set to
A
NTSC
B
or
A
PAL
B
,
A
N
B
or
A
P
B
. If either of the above is
selected, change the [MONITOR OUT] selector
switch setting to
A
OFF
B
. After changing the
switch settings, press the [RESET] button to
reboot.
INSTRUCTIONS
(Installation)