<Accessibility>

This section describes settings for improving accessibility, such as inverting the screen colors and setting the message display time.
<Invert Screen Colors>
<Set> <Preferences> <Accessibility>
You can invert the screen colors of the display. If you find it hard to view the display even after adjusting <Backlight Brightness>, try specifying this setting.
<Contrast>
<Set> <Preferences> <Accessibility>
You can adjust the contrast (the difference between the light and dark parts) of the display to suit the installation location of the machine.
<Backlight Brightness>
<Set> <Preferences> <Accessibility>
You can adjust the brightness of the display to suit the installation location of the machine.
<Message Display Time>
<Set> <Preferences> <Accessibility>
You can specify the interval in seconds at which two different messages are alternately displayed.
<Scrolling Speed>
<Set> <Preferences> <Accessibility>
You can adjust the scrolling speed of the screen by selecting from three levels.
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