NEC MultiSync E224Wi User Manual page 17

OSD Warning
OSD Warning menus disappear by touching SELECT.
NO SIGNAL: This function gives a warning when there is no signal present. After power is turned on or when there is a
change of input signal or video is inactive, the NO SIGNAL window will appear.
OUT OF RANGE: This function gives a recommendation of the optimized resolution and refresh rate. After the power
is turned on or there is a change of input signal or the video signal doesn't have proper timing, the OUT OF RANGE
menu will appear.
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