ViewSonic VB-VIS-003 User Manual page 28

Problem or
Issue
Make sure you are using a
supported VB-VIS-003 model
camera device.
Check if the camera is opened by
other applications.
Turn off the virtual machine
The device
(macOs).
is not being
detected
Check the USB connection
(Windows).
For Windows 10 / 11 system
The image is The distance of the object is
fuzzy possibly too close to the lens.
The image does The computer or application
not move software may have crashed.
Potential Cause
28
Possible Solutions
vDocCam+ application only
supports the VB-VIS-003 model
camera device. If you are using a
3rd party document camera some
of the functions in this software
may NOT work.
Check the Windows/macOS
program, if the camera has been
occupied by other applications,
please exit the application and try
again.
If your Mac has an installed
Windows virtual machine such as
"Parallels Desktop", please turn it
off and connect the device again.
Ensure Windows has recognized
the device under the Cameras in
Windows Device Manager menu. If
the device is not detected, please
try to connect with another USB
port.
Go to: Settings > Privacy > Camera
to check whether the permission is
allowed.
Press the AF button to auto focus.
Restart the computer or
application software.