Samsung Galaxy J3 Orbit User Manual page 210

Magnification: Use exaggerated gestures such as triple-
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tapping, double pinching, and dragging two fingers across
the screen.
Large mouse/touchpad pointer: Enable a large pointer for
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a connected mouse or touchpad.
Color inversion: Reverse the display of colors from white
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text on a black background to black text on a white
background.
Color correction: Adjust the color of the screen if you are
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color blind or have difficulty reading the display because
of the screen color.
Accessibility 191