Display Manager User’s Guide

Setting basic display options | 7
Setting basic display options
You can select Manual Mode to manually select a preset mode or select Auto
Mode that applies a preset mode based on the active application. An on-screen
message displays the current preset mode whenever it changes. The selected
monitor’s brightness and contrast levels can also be directly adjusted from the
Basic tab.
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Dell P2X23D
NOTE: When multiple Dell monitors are connected, select “Enable
display matrix control” to apply brightness, contrast, and color presets
controls to all monitors.