Sanyo PLC-XU305K Owner's Manual page 52

Setting
Ceiling
When this function is set to On, the picture will be top/
bottom and left/right reversed. This function is used to
project the image from a ceiling-mounted projector.
Rear
When this function is set to On, the picture will be left/right
reversed. This function is used to project the image from
rear of the screen.
Pointer
You can emphasize a part of the projected image with this
function. Use the Point ▲▼ buttons to choose Spotlight
(Large, Middle or Small) , Arrow, Finger or Dot and press
the SELECT button. See "Pointer Function" on page 12.
5
Ceiling
Rear
Pointer
Arrow