NEC NP-PA600 Series, Руководство пользователя

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6. Calibration
After checking the items on the previous pages, if an error still occurs during calibration, it is possible that the quality
of the image photographed by the web camera is insufficient and cannot be recognized.
Please pay attention to the points described below and make adjustments of the photographic image using the
camera setup screen or the utility of the web camera, then try the calibration.
• Set up and adjust the camera so that the background of the screen (e.g., walls, etc.) does not enter the photographic range of
the camera.
When there is a difference in brightness between the screen and the background, an error may occur during calibration.
Camera Adjustment Examples
Aim at the right image and adjust the camera so that the difference in
brightness between the test image and the screen becomes distinct.
[Camera Preview Screen]
Completion of calibration may not be possible in situations such as the following.
Photographic Screen is too Bright
Extraneous Light Enters the
Photographic Range
The Contour of the Projected Image Falls
Outside of the Photographic Range
Adjust the gain and the exposure. Adjust the installation position so
that extraneous light does not enter
the photographic range. Adjust the installation position of
the camera so that the contour of
the projection image fits into the
photographic range.