Product information

Jetzt die neue Interaktion ausprobieren

Important user info for the Tactonom Reader

Here you can find out everything about updates, new features and FAQs.


Frequently asked questions
about the Tactonom Reader

Logo Tactonom Reader + Trademark

Learning on a new level with


The Tactonom Reader
is now interactive!

The new features enrich learning and working with the Tactonom Reader with questions and answers. This allows blind people new learning formats that are varied, motivating and fun. And learning success is increased through immediate feedback.

Through “interaction”, the Tactonom Reader becomes an indispensable learning aid, both in the classroom and for homework.

"Interaction" is available immediately via a free software update.

Our tutorials explain how to create interactions:

How to add the Interaction 'Find Objects'

Interactions explained in short

There are
following four


Please also read our detailed PDF instructions on this topic:

Find objects
Find pairs
Find groups

Find objects

This interaction is especially suitable for question-answer applications. In this mode, each question is answered by selecting the correct object. The system gives feedback whether the answer was correct or incorrect.

Example math:
The Tactonom Reader asks “What is 2 times 3?”.
The answer is given by selecting the result field “6” in the graphic.

Die audio-taktile Grafik mit dem Titel

Example geography:
The Tactonom Reader asks: “Where is Berlin?”.
The answer is given by selecting Berlin on the map of Germany.

Die audio-taktile Grafik mit dem Titel "Deutschland" hat eine besondere Funktion im Interaktions-modus. Dargestellt ist die Karte von Deutschland. Die Außenkontur der Bundesländer ist zu erkennen. Städte werden durch kleine Punkte dargestellt. Die Funktion "Finde Objekt" fordert den User auf bestimmte Orte in der Karte zu finden. Er fragt zum Beispiel: "Wo ist Berlin?". Der Tactonom Reader gibt Feedback, ob die Lösung richtig ist.


Find pairs

This interaction is particularly suitable for cloze texts and assignments. Two elements that belong together in terms of content are connected by selecting both. The system provides feedback as to whether the answer was correct or incorrect.

Example math:
The Tactonom Reader asks: “What results in 8+4?”.
The answer is given by selecting the field 12.

Example math:
The Tactonom Reader asks:
“Which fruits belong together?”.
The answer is the selection of both fruits that belong together.

Find groups

This interaction is particularly suitable for multiple nominations. These can be multiple choice tasks or identifying elements with the same characteristics. The answer consists in selecting all elements that belong together.

Example math:
The Tactonom Reader asks, “Can you find all the bananas?”.
The answer is given by selecting the three bananas shown.

Die audio-taktile Grafik mit dem Titel

Example math:
The Tactonom Reader asks: “Which numbers can be divided by 5?”.
The answer is given by selecting the four correct fields.

Die audio-taktile Grafik mit dem Titel "Obstdessert" hat eine besondere Funktion im Interaktions-modus. Dargestellt ist ein großer Mund in der Mitte. Ringsherum sind verschiedene Gruppen an Obstsorten verteilt. Die Funktion "Finde Gruppen" fordert den User auf bestimmte Gruppen zu identifizieren und gibt Feedback darüber, ob die angewählten Elemente zur gesuchten Gruppe gehören oder nicht.



This interaction can be used for sorting, forming ranks and sequences, and guiding the user through a graph.

The answer is given by selecting the elements in the predefined sequence. Here, too, the system reports whether the answer was correct or incorrect in each case.

Example math:
The Tactonom Reader sets the task:
“Sort the squares from small to large!”.
The answer is given by selecting the squares in the correct order.

Die audio-taktile Grafik mit dem Titel

Frequently asked questions:


Questions: Tactonom Reader

Questions about the Tactonom Reader

Update the Tactonom Reader

How do I update?


Check internet connection

First check if the Tactonom Reader is connected to the WLAN or a network cable.

To check the WLAN connection, go to: Settings/ System/ Check WLAN connection and confirm this with Enter.

You should now hear the name of the connected WLAN network. If you hear the prompt: “Not connected”, first connect the Tactonom Reader to a WLAN, or a wired network.


Perform update

Go to “Settings/ System/ Check for update” and confirm this with Enter.

When you hear the message “New updates have been downloaded…”, restart the device.

Go to “Power Off.” in the menu. When the Tactonom Reader has completely shut down, restart it by pressing the Dishonor button. Perform the update steps again to check if more updates are available.

Use of
Tactonom Reader

My finger is not recognized accurately.

This may be due to slipping of the graphics, external light effects, or dirt on the camera lens. Please do not place the system near external light sources (e.g. sun). Periodically wipe the camera lens carefully with a soft, dry cloth and reload the graphics after any slippage.

Please also pay attention to the position of your finger and feel the graphics with the following tactile strategy: To trigger the finger detection, please stretch one finger in the direction of 12 o’clock. Keep your hand at a right angle to the keyboard if possible. After triggering the finger recognition, touch the graphics again with all fingers.

Please always feel the graphics from the front and never from the side.

Also note that colored nail polish can impair finger recognition.

The graphic can't be read.

The system says that the graphic cannot be opened. In this case, it is a graphic that is not yet in the internal memory of the device. The Tactonom Reader tries to get it from the Internet, but it is not connected to the Internet. Please connect to the Internet or download the graphic as an archive from and read it in via USB stick.

If the graphic is already in memory, another cause may be that the QR code is corrupted. In this case, print the graphic again.

The edited version of my graphic can't be read.

Whenever you change a graphic, please remove the old version via Settings/General/”Delete file from temporary storage”. Then reload via “new page”.

The markers can't be found.

When reading in a graphic, the camera’s view of the markers must be unobstructed. In this message, the named marker was obscured by the hand or other objects. Please reload the graphic.

Alternatively, the position of the camera arm might not be ideal. Please carefully adjust the angle of the camera arm.
Please also make sure that external light sources do not affect the touch surface.

The QR code can't be read.

Please check if the QR code is undamaged. If the QR code is damaged, the graphic must be printed out again. Alternatively, only the QR code can be printed out and stuck onto the graphic. In this case, make sure that the QR code has the identical size. Do not attach the code with scotch tape, as this can restrict readability.

Please check the print image of the Tactonom Reader. This must be identical to the image in the online database When printing, make sure that you do not print from the browser, but from Inkscape. Otherwise the image may have been reduced by the browser and cannot be recognized by Tactonom Reader. Printing must be at 100% and borderless.

Please do not print swell paper with an inkjet printer. The result is too blurred. Please always print with a laser printer.

Please do not print DIN A3 graphics in DIN A4 and then enlarge them to DIN A3 with a copier. Doing so may distort the graphic and it will not be recognized by Tactonom Reader.

The system only says 'The file'.

This is an announcement error of an old software version. Actually, the announcement should read: ‘The file associated with this QR code could not be loaded.’

In addition, please download the current language version. This can be found at the last entry in the system submenu. System: Update language files

Connecting external devices to the Tactonom Reader

Can I connect Bluetooth headphones?

Bluetooth connectivity is not possible yet.

Can Braille displays be connected to the Tactonom Reader?

No, that is not possible at the moment. However, we are working on making this possible in the future.

Questions: audio-tactile-graphics

Questions about audio-tactile graphics

Print the
audio-tactile graphics

I have no way to print graphics. Where can I get them?

You will soon be able to purchase graphics of your choice through the store at

Can I print my graphic from the browser?

The graphics downloaded as PDF can also be printed from the browser. Make sure to print the file borderless and in 100% original size.

In the case of graphics downloaded in SVG format, this leads to distortion during printing and the graphic is not recognized. These graphics may only be printed directly from the graphics program.

Does the Tactonom Reader support braille printing?

We don't support that yet. We will be able to announce news about this soon.

formats of
audio-tactile graphics

Are DIN A4 formats available on the Tactonom Reader?

Not yet. But we are working on it and will support DIN A4 in the course of the year.

You can create the audio-tactile graphics for the Tactonom Reader in the tactile graphics database .
If you have questions about the database, the FAQ of the ProBlind association will help you:

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