- An ordinary projector is set in front of the screen.
- To display a large screen, an ordinary projector must be away from the screen.
- An ordinary projector is required to be placed on a stand or suspended with a hoisting accessory.
- There will be shadows when you stand between an ordinary projector and the screen.
- You must install an ordinary projector at the same space as the chairs set for participants, especially when it has to be done on the floor.
- The projector is unnecessary to be installed in front of the screen.
- The projector can display a large screen even if it is installed close to the screen.
- The projector can be directly placed on the floor.
- Shadows are not often appeared when you stand between the projector and the screen.
- You can make a presentation standing near the screen.
- You can save the space for installing the projector and take much space for participants.
- The projector must be installed vertically (rotated 90 degrees).
- The projector must be relocated every time you set it from horizontal installation to vertical installation or the other.
- Hanging under the ceiling affects the appearance.
- It is cumbersome for operation and construction.
- The portrait projection can be available only by rotating the lens.
- It is simple to switch the vertical / horizontal displays.
- It is not easily noticed even being hung under the ceiling.
- It could be installed easily when the projector is placed on the floor.
- The projector has to be installed with the lens upwards.
- It is inconvenient to place the projector in the middle of the room.
- Only by rotating the lens can images be projected on the ceiling.
- The projector can be placed in the corner of the room without affecting the appearance.
- The projector has to be installed with the lens down.
- The location of the projector affects the appearance.
- There will be shadows when you stand on the floor.
- Floor projection can be available installing the projector to the ceiling.
- The location of the projector doesn't affect the appearance.
- Wide lens shift function makes the shadow difficult to appear even if you stand on the projection image.
- Advertisement decoration is possible on the entire wall of the exhibition hall.
- Decorative drawing in the corridor is possible.