A4Tech ViewCam Pro PK-335 User Manual page 15

Steps: Windows 95 doesn't support USB port. You have to update your
OS to Windows 98 or above to support USB port and ensure BIOS Setup and
USB settings are available. If the problem still occurs, please try connecting
the USB ViewCam to your machine via another USB socket.
Question 2： My video image is too dim or too light.
Solving Method: Adjust the brightness and contrast background.
Steps: Because the ViewCam can be easily affected by light, therefore, we
suggested proceeding from usage environment and screen object such as
increasing object brightness or moving light source.
Question 3: Color is defective
Problem: After installation, if you found the image is not as expected as you
want. Is the color part defective?
Solving Method: Adjust the color settings related to video snapping course
options or have the color settings related set as " default "
Question4: Blank screen or black screen
Symptom: During the usage course after the image frame pops up, the
Blank screen or black screen will occur?
Method 1: Make sure that the ViewCam driver is installed fine.
Method 2: Ensure the "Preview" under "Option" tab is selected and applied.
Method 3: If your computer OS is first version of WIN 98, then you need to
update the OS to WIN98 SE or above or download DirectX8.0 or version
above patch application from site then reset your computer.
14