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z  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.   
z  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.   
z  Check the bandwidth of Internet connection. If the Internet 
bandwidth is lower than target bit rate, the video streaming will 
not work correctly. 
z  Ethernet switching hub can smooth the frame rate.   
Blank screen or very slow 
video when audio is 
enabled.   
z  Your connection to the camera 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.
 
z  Audio will consume 32 kbps. Disable audio to improve video. 
Your Internet connection may not have enough bandwidth to 
support streaming audio from the camera. 
Image Transfer on e-mail 
or FTP does not work. 
z  Default Gateway and DNS server address should be set up 
correctly.  
z  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)   
z  Click  Refresh on the Internet Explorer when the 
communication stops with the camera. The image will refresh. 
z  Other clients may be operating Pan/Tilt.   
z  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 camera 
The focus on the camera 
is bad.   
z  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.   
z  Adjust White Balance.   
z  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. 
z  The configuration on the camera image display is incorrect. 
You need to adjust the image related parameters such as 
brightness, contrast, hue and sharpness properly. 
Image flickers.   
z  Wrong power line frequency makes images flicker. Make sure 
the 50 or 60Hz format of your camera. 
z  If the object is dark, the image will flicker. Make the condition