NEC LT10 - Manual (Page 26)

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PIP
PIP
Choose “On” to turn the PIP screen on.
PIP Location
Choose the PIP screen position on the display screen.
PIP Switch Source
Choose the input source of the projector on the PIP screen.
Reset This Menu
Choose “Yes” to return the display parameters on this menu to
their factory default settings.
Computer Mode
™ The OSM does not
include a PIP menu
under Video mode.
User Controls
Picture-In-Picture