| 摘要 |
A detachable flywheel device is placed on a display and is used for adjusting display parameters of the display. Since a user only needs to roll or press the detachable flywheel to adjust the display parameters of the display, which is a very simple and fast action, the user can continue to watch the display. Furthermore, by using an optical technique to detect the detachable flywheel's movement, there is no mechanical wear or problems related to dust. Furthermore, the user can place the detachable flywheel device to a predetermined position, or remove the detachable flywheel device in order to prevent other people from changing the display parameters.
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