Dell U3425WE Display and Peripheral Manager on Mac Users Guide - Page 23
Assigning shortcut keys, Hotkey, Brightness/Contrast
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Assigning shortcut keys Click Hotkey in the Brightness/Contrast menu, assign shortcut key to adjust brightness and contrast. If multiple monitors are connected, the configured hotkeys will be synchronized across the monitors. To trigger the brightness/contrast or luminance adjustments, move the mouse over the desired monitor. Adjusting the brightness and contrast │ 23
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Adjusting the brightness and contrast±
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Assigning shortcut keys
Click
Hotkey
in the
Brightness/Contrast
menu, assign shortcut key to adjust
brightness and contrast.
If multiple monitors are connected, the configured hotkeys will be synchronized
across the monitors. To trigger the brightness/contrast or luminance adjustments,
move the mouse over the desired monitor.