- Do you want one Knowla activity to draw many children simultaneously into the fascinating world of Educational Universe and engaging Knowla.fun games without crowding in front of a wall?
- Do you need a projector that guarantees impressive presentation visibility even from the farthest corner of the room, and additionally offers unconventional and interactive slide changing with a thrown ball?
- Do you dream of a clear and gigantic image of karaoke lyrics that will rouse the entire gymnasium, regardless of its size, to sing along?
- Are you looking for a solution that will make your Knowla device and the content it displays instantly eye-catching to everyone who crosses the threshold of your facility?
- Do you want to flexibly adjust the size of the image and details to perfectly match the play to specific learning needs for comfort and better understanding?
If you answered yes to even one of these questions, then try out the new convenience on the Knowla Box. The device no longer has to stand directly against a wall to enjoy its full interactions. You can use the balls or pens on a larger diagonal still sharp. This is ideal for using the Knowla Box at a variety of events or celebrations.
Below you will learn how to increase the interaction surface on your Knowla Box.
How big an image can I get on the Knowla Box?
It all depends on the positioning of the device relative to the wall. The further you move the device away, the bigger the image you will get.
| Distance of Knowla Box from the wall | Image diagonal (approximate, may vary depending on projector model) |
| 0-3 cm | 85 inches |
| 10 cm | 95 inches |
| 20 cm | 110 inches |
| 30 cm | 125 inches |
| 40 cm | 140 inches |
| 50 cm | 155 inches |
What to do to get a large diagonal image Knowla Box with all the interactions?
In order to ensure that Knowla Box uses all forms of interaction efficiently, it is necessary:
- Move the device back enough to get the expected image size.
- Sharpen the image from the projector.
- Loosen the screw in the sheet metal at the on/off button. Remove the tin by pulling it upward.
- Use the slider next to the filter to adjust the sharpness of the image.
- Calibrate ball detection.
- In the Knowla app, go into settings and select the Calibrate balls tab (it should appear after Knowla app update).
- Measure the distance between the Knowla Box and the wall.
- Select the distance in centimeters by clicking, the appropriate value. If you want to set the device to some non-standard distance or want to calibrate the ball action even more precisely, you can use the advanced calibration option. Follow the instructions given. It will require, among other things, 5-8 strikes with the ball on the markers appearing on the screen.
- In the Knowla app, go into settings and select the Calibrate balls tab (it should appear after Knowla app update).
- If there is a misalignment in the operation of the pens, press the Menu button on the Epson remote control. Then select Pen/Touch and click on Autocalibrate. The manufacturer of the Epson projector assures smooth operation of the interactive pens up to 100 inches of projected image, i.e. the pens may start to perform less well when the device is moved more than 15 cm away from the wall.
After that, all that’s left is to play smart with a larger display area.
