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Troubleshooting (continued)
Symptom Causes and Countermeasures
Reference
Page
TCP images cannot be
played back
The maximum number of images that can be sent
by VN-V686WPU via TCP is 20, and up to 20 built-
in viewers can be connected to each VN-V686WPU
unit.
Make use of multicast for monitoring when the
number of areas exceeds the above number.
VN-V686WPU allows multicast transmission of
JPEG and MPEG4 one stream at a time.
A Page 24
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.
^
Power is turned off but it is
disconnected once the
camera rotates.
Are the transporting tape and cushioning material
removed?
BRemove the transporting tape and cushioning
material.
A Page 17
Characters of the file name
registered in the FTP server
are garbled
When double-byte characters are to be used for the
file name, make use of an FTP server for which the
character code is EUC-JP.
A Page 51
The MPEG4 Viewer screen
appears in black
When DirectX 9.x or Windows Media Player 9.x is
installed on the computer, the video image screen
appears in black.
[Countermeasure]
To use the built-in MPEG4 Viewer of VN-V686WPU,
install “ffdshow” that is open source codec. You can
download “ffdshow” from the Internet.
^
ACaution : The fan(T) is
stoppedB appears on the
screen.( T denotes number)
There is an error in the internal cooling fan or
heating fan.
BWrite down the displayed text of ACaution : The
fan(T) is stoppedB and consult your nearest JVC
dealer. Turn off the power of this camera
beforehand.
^
The camera pans
automatically
When [Auto Cleaning] is set to AOnB, this is not an
abnormality. Check the settings.
A Page 77
VN-V686WPU_EN.book Page 116 Friday, February 8, 2008 5:20 PM