ViewSonic VA2012WB User Manual page 16

Control Explanation
OSD Timeout sets the length of time the OSD screen is displayed. For
example, with a "15 second" setting, if a control is not pushed within 15
seconds, the display screen disappears.
OSD Background allows the user to turn the OSD background On or Off.
Memory Recall returns the adjustments back to factory settings if the display is
operating in a factory Preset Timing Mode listed in the Specifications of this
manual.
Exception: This control does not affect changes made with the User Color
control, Language Select or Power Lock setting.
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