Overview of the Tabletop Setup.


Use this setup if you want to create an interactive table.

The Ubi camera and emitter work together to turn your table into a touch screen.

The Ubi camera is plugged into a PC and the emitter is plugged into a power supply.
Setup steps:

  • Create an 80” display on the table.
  • Mount the Ubi sensor so that it is looking down on the table from the top
  • Mount the emitter on the table.

We recommend that you use a special long throw Ubi camera for this set up. This will help you place the camera much above the table, without compromising precision.
If you need to create a table that can be interacted from all sides, there is a special set up that requires two emitters. Please contact us for more details on that.






Select your setup


When running Ubi in the “Step by Step Calibration” mode, choose “Tabletop Setup” and proceed.




Create an 80” display.


Ubi’s standard setup supports an 80 inch (diagonal) display. The display should be a projection display onto a solid flat wall. There should be no other objects on the display.
Note: Ubi cannot be used with pull down projection screens.
If your projector is in a fixed position and you cannot move it or shrink your display, please follow these instructions.



Mount the camera.


There are 3 options for mounting the camera:


If you are using the special long throw camera, Use the thick tape we provide to attach the camera base to the projector. The camera should be about 140″ from the table.

If you are using the standard short throw camera, make sure that the camera is about 30″ from the table.




Connect the camera.


Connect the camera to the PC. Use the USB cable provided.
If Ubi is having trouble connecting to the camera, please follow these troubleshooting steps.



Camera preview.


The camera preview shows you how much of your display the camera can see. Adjust your display until all of your display can be seen by the camera. If you cannot shrink the display, move the position of the camera. For optimal performance, make sure the display fills up as much of the camera preview as possible.

Once you click the Calibrate button, a dot pattern will quickly flash and if the calibration is successful, you will proceed to mount the emitter.

If calibration fails, it is likely due to the following reasons:

1. There is not enough contrast and the camera cannot see all of the display. In this case, adjust the room lighting or brightness of the projector.

2. The entire display is not within view of the camera.

3. There is too much clutter on or around the display that causes Ubi to detect more than 36 calibration dots.



Mount the emitter.


The emitter is placed 1-2 inches from the top of the display.


The emitter drops an infrared curtain in front of the display which, when intercepted with your finger, signals a touch event.
The infrared curtain must be parallel to the surface so please make sure your surface is flat and smooth.



Affix the markers on the display.


Place the two markers provided directly on your display at the location specified (dotted circles).



Power up the emitter.


Connect the emitter to the power supply. The emitter is turned on by the Ubi sensor and will display a faint blue light. When the emitter is off, it will display a red light.
Please note that the emitter should be powered down when Ubi is not in use.


Adjust the emitter.


Use the markers and cross hairs to determine when the IR curtain is parallel to the surface. Once the emitter is affixed to the wall, adjust the emitter so that some partof the circular cross hair appears on each marker. Once the emitter is in its final position, you should see a cross hair exactly at your fingertip as you touch around the screen.


Remove the markers.


One the emitter is in its final position, you can remove the markers from your display surface.




Successful Setup.


Once the emitter is in its final position, you have completed the setup process. You will be prompted to choose how you would like to calibrate the next time you use Ubi.
We recommend selecting auto-calibrate if you do not intend to change your setup.


Start Interacting