Daewoo 901D Service Manual page 16

Utility Menu Functions
Display horizontal & vertical frequency and polarity.
Degauss the display and restore image quality.
YES : VESA DPMS operation.
NO : NO DPMS operation.
Select language for OSD.
Select a Input Signaling Type between D-Sub and BNC connector.
Display a RGB Color Bar to determine whether the screen color is
expressed normally or not.
Reset the screen to the Factory Preset Display Settings.
Return to the Utility Menu Window.
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