AVer SF1311H-R - Manual (Page 57)

54
Question Answer or Resolution
Access this device
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 160x120 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 60Hz
format of your device.
 If the object is dark, the image will flicker. Make the condition around the
Camera brighter.
Noisy images occur The video images might be noisy if the device is located in a very low light
environment. Make the condition around the camera brighter or turn the White-light
LED on.