NEC MultiSync XP29, XM29 Plus User Manual page 26

OSM ON/OFF
This control allows you to enable the OSM control.
The OSM control is available when ON is selected. When the OSM does not
appear, the visual and raster controls are available with the remote control.
PC-CONTROL
This control allows you to activate the PC-control function.
For more information see the following pages.
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