1115. Using On-Screen Menu[INSTALLATION]Selecting Projector Orientation [ORIENTATION]This reorients your image for your type of projection. The options are: desktop front projection, ceiling rear projection,desktop rear projection, and ceiling front projection.NOTE:• Please consult the retail store if you require special installation services e.g. when mounting the projector to a ceiling. Never installthe projector on your own. This may result in the projector falling down and causing injury to people.• When using the projector suspended from a ceiling, ensure that people do not stay below the projector. In the event the lampwere to break, there is a risk that glass fragments may fall from the projector.AUTO ��������������������� This automatically detects and projects the DESKTOP FRONT and CEILING FRONT�NOTE:• The DESKTOP REAR and CEILING REAR will not be detected. Please select manually.DESKTOP FRONT CEILING REARDESKTOP REAR CEILING FRONTTIP:• Check whether the automatic DESKTOP FRONT is installed within ± 10 degrees for floor installation and whether the CEILINGFRONT is within ±10 degrees for ceiling installation. Select manually when the projection screen is inverted.