A4tech PK-635 User Manual

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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