Appendix B: Troubleshooting & Frequently Asked Questions
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bandwidth.
Check the device’s ActiveX is
installed on your computer
Go to C:\Windows\Downloaded Program Files and check to see if there is
an entry for the file “
IPCamera Control”
. The status column should show
“Installed”. If the file is not listed, make sure your Security Settings in
Internet Explorer are configured properly and then try reloading the
device’s home page. Most likely, the ActiveX control did not download and
install correctly. Check your Internet Explorer security settings and then
close and restart Internet Explorer. Try to browse and log in again.
Internet Explorer displays the
following message: “Your
current security settings
prohibit downloading ActiveX
controls”.
Setup the IE security settings or configure the individual settings to allow
downloading and scripting of ActiveX controls.
The device work locally but
not externally.
• Might be caused from the firewall protection. Check the Internet firewall
with your system or network administrator. The firewall may need to have
some settings changed in order for the device to be accessible outside your
LAN.
• Make sure that the device isn’t conflicting with any other web server
running on your LAN.
• Check the configuration of the router settings allow the device to be
accessed outside your local LAN.
• Check the bandwidth of Internet connection. If the Internet bandwidth is
lower than target bit rate, the video streaming will not work correctly.
The unreadable characters
are displayed.
Use the operating system of the selected language. Set the Encoding or
the Character Set of the selected language on the Internet Explorer.
Frame rate is slower than the
setting.
• The traffic of the network and the object of the image affect the frame
rate. The network congestion causes frame rate slower than the setting.
• Check the bandwidth of Internet connection. If the Internet bandwidth is
lower than target bit rate, the video streaming will not work correctly.
• Ethernet switching hub can smooth the frame rate.
Blank screen or very slow
video when audio is enabled.
• Your connection to the device does not have enough bandwidth to
support a higher frame rate for the streamed image size. Try reducing the
video streaming size to 320x180
or 320x240 and/or disabling audio.
• Audio will consume 32 kbps. Disable audio to improve video. Your
Internet connection may not have enough bandwidth to support streaming
audio from the device.
Image Transfer on e-mail or
FTP does not work.
• Default Gateway and DNS server address should be set up correctly.
• If FTP does not work properly, ask your ISP or network administrator
about the transferring mode of FTP server.
Pan/Tilt does not work.
(including Click to Center and
Preset Positioning)
• Click
[Refresh]
on the Internet Explorer when the communication stops
with the device. The image will refresh.
• Other clients may be operating Pan/Tilt.
• Pan/Tilt operation has reached the end of corner.
Pan/Tilt does not work
smoothly.
There may be a slight delay when you are using the Pan/Tilt feature in
conjunction with streaming audio and video. If you find that there is a
significant delay while panning or tilting the camera, try disabling the audio
streaming and/or reducing the video streaming size.
Video quality of the device
The focus on the Camera is
bad.
• The lens is dirty or dust is attached. Fingerprints, dust, stain, etc. on the
lens can degrade the image quality.
The color of the image is poor
or strange.
• Adjust White Balance.
• To insure the images you are viewing are the best they can be, set the
Display property setting (color quality) to 16bit at least and 24 bit or higher
if possible within your computer.
•The configuration on the device image display is incorrect. You need to
adjust the image related parameters such as brightness, contrast, hue and
sharpness properly.
Image flickers.
• Wrong power line frequency makes images flicker. Make sure the 50 or
