- Turn on the projector and start a presentation.
- Press the Menu button on the projector or remote control.
- Select the Signal I/O
menu and press
Enter.
- Select Inverse Audio and press Enter.
- Select the setting
according to the installation position and press Enter.
- When the projector is mounted to the wall or ceiling, set to On.
- When the projector is placed on a table, set to Off.
- Press Menu or Esc to exit the menus.