4
4
6. PRESENTATION
auto ceiling on / off automatically inverts the image when the
projector is turned upside down i.e. when
the projector is mounted on the ceiling
front execute normal projection mode
ceiling execute inverts the image vertically, used when the
projector is mounted upside down
rear execute inverts the image horizontally, used when
projecting onto a rear projection screen
ceiling and
rear execute
inverts the image horizontally and vertically,
used when the projector is mounted upside
down and projecting onto a rear
projection screen
lamp mode normal economic mode reduces the lamp brightness
economic to extend lamp life and quiet the projector