1145. Using On-Screen M enu[INSTALLATION(1)]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 dealer 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.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.