VIEWSONIC PJ255D - Manual (Page 23)

Menu Location
Choose the Menu location on the display screen.
Projection Direction
4 Front-Desktop
The factory default setting.
4 Rear-Desktop
When you select this function, the projector reverses the image
so you can project behind a translucent screen.
4 Front-Ceiling
When you select this function, the projector turns the image
upside down for ceiling-mounted projection.
4 Rear-Ceiling
When you select this function, the projector reverses and turns
the image upside down at same time. You can project from
behind a translucent screen with ceiling mounted projection.
Lamp Hour
Displays the lamp’s elapsed operating time (in hours).
Reset Lamp Hours
Turns the lamp hour counter to 0 hours.
Reset This Menu
Choose “Yes” to return the display parameters on this menu to
their factory default settings.
Computer / Video Mode
Management
ViewSonic PJ255D 21