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Chapter 7
Troubleshooting
Document camera issues
Use the following table to troubleshoot issues with your document camera.
Issue Solution
No image displays or
appears.
• Turn off your document camera (see page 16).
Securely connect all cables and connect the
camera’s AC adapter to a power outlet. Turn on
your document camera.
• Adjust the zoom dial. The camera may be on a
blank section of your document.
• Ensure the output switches on the side panel are
set to the proper image output:
– VGA DVI-D or Composite on the side panel
– NTSC or PAL on the bottom of your document
camera
No image displays after
you restart your
computer. Document
camera is connected
through a USB hub.
1. Turn off your document camera, and then wait
several seconds.
2. Turn on your document camera again.
The image is out of focus.
• Press the auto focus button.
• Use the manual focus.
• Move the camera further away from the object.
The image is scrambled
or black and white when
a television is the display
device.
Ensure the NTSC/PAL switch beneath the projector is
set correctly.