JVC VN-685U User Manual
Page 125
125
Symptom
Causes and Countermeasures
Reference
Page
TCP images cannot be
played back
The maximum number of images that can be sent
by the camera via TCP is 20, and up to 20 Built-in
Viewers can be connected to each camera unit.
Make use of multicast for monitoring when the
number of areas exceeds the above number.
Camera allows multicast transmission of JPEG and
MPEG4 one stream at a time.
Unable to receive alarm
notification using the
computer via TCP/UDP
● Data may be blocked by the Windows firewall.
When this occurs, perform the following to allow
it to pass through.
Windows
XP:
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.
Windows
XP:
Double-click [Allow a program through Windows
Firewall.] under [Start]
-[Control Panel]-
[Windows Firewall], 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 on but it is
disconnected once the
camera rotates.
Are the transporting tape and cushioning material
removed?
BRemove the transporting tape and cushioning
material.
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.
The MPEG4 Viewer screen
appears in black
Is ffdshow installed?
To use the MPEG4 Viewer of the camera, install the
open source codec “ffdshow”. You can download
“ffdshow” from the Internet.
^
ACaution : The fan(T) is
stopped
B appears on the
screen. (
T denotes number)
The internal cooling fan is abnormal.
Write down the displayed text of
B
ACaution : The
fan(T) is stopped
B 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.