DOT MINI Installation guide

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DOT MINI
DM-01
Basic Manual

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[Table of Contents]
I. [Introduction] – [Page3]
1.What is Dot Mini? – [Page3]
2. Name and Part Functions – [Page3]
II. [Power on/off and Battery] – [Page.6]
1. Powering on/off– [Page.6]
2. Standby mode– [Page.6]
3. Battery– [Page.7]
III. [Starting the Dot Mini] – [Page.8]
1. Dot book– [Page.8]
2. Brl Classroom– [Page.10]
3. Music player– [Page.10]
4. Recorder– [Page.11]
5. Settings– [Page.13]
IV. [Safety and Handling Precautions] – [Page.15]
V. [Components and Specifications] – [Page.21]
1. Introduction of components – [Page.21]
2. Specifications and characteristics – [Page.21]
VI. [Regulatory Notices] – [Page.23]

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I. [Introduction]
1. What is Dot Mini?
Dot Mini is a braille device released by Dot Incorporation that you can use to read various forms
of files including text documents in braille and play media files. You can freely utilize external files
using a USB, SD card, etc., and efficiently manage storage space in the Dot Mini.
The Dot Mini contains a built-in braille transcription engine. This engine automatically transcribes
not only document files, but also books downloaded from an online source so that you can read
them in braille. You can also play or record audio files in the Dot Mini.
With the Dot Mini, you can grow more comfortable with braille and enjoy the learning experience.
Enjoy learning numbers, Korean, and English with the Dot Mini.
The Dot Mini will take you to a whole new world that you have never imagined before.
2. Name and Part Functions
- Place the Dot Mini so that the braille cells are facing upwards. This is the front of the Dot Mini
device. To hold the Dot Mini upright, make sure the braille cells are on the lower half of the
display face.
- When it is not specified to ‘hold’ a button or press ‘simultaneously’ with another button, gently
click the button alone to make a ‘short press’.
- Braille is read from left to right.

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1) Power key
The power key is located at the top right side of the Dot Mini. It is a small, round button.
2) LED
LED is located in the upper left part of the front side to indicate power and charging statuses.
When Dot Mini is being charged, a red light will be shown. When charging is complete, a green
light will be shown. When the Dot Mini is being used, a blue light will be shown.
3) Direction keys and the enter key
The direction keys and the enter key are located in the upper middle part of the front side. There
are four direction keys: up, down, left, and right keys. You can locate these keys above, below,
left, and right of the enter key, which is in the located middle. The up and down keys are used to
move between items in the menu or list, and the left and right keys are used to change the

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settings or the playback position of audio files. The enter key is used to select a menu or save
settings.
4) Back key
The back key is located to the right of the direction keys. When you make a short press with the
back key, it will allow you to go to the previous menu or cancel what's running. When you hold
the key to make a long press, it will take you back to the Home menu.
5) Shift key and control key
The shift key and control key are located to the lower right of the direction keys. The key to the
left is the shift key, and the key to the right is the control key.
The shift and control keys are mostly used in combination with other keys.
6) Previous Key and Next Key
The previous and next keys are combined as a single key that is located in two places – on the
left and right ends above the braille cells. There is a small dot on the key marking the division
between the previous key and the next key. Above the marking dot is the previous key, and
below the marking dot is the next key. The previous and next keys are used to scroll to the
previous or next line of braille.
7) Volume Key
The volume keys are located on the right side of the Dot Mini device, and consist of two keys – a
key to turn the volume up and another to turn the volume down. The volume keys are used to
raise or reduce the volume of the Dot Mini.
8) External Devices
There are three ports on the left side of the Dot Mini. In order of top-to-down, they are the USB-
C port, USB-A port, and the Micro HDMI port.

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- USB-C Port: The USB-C port is the topmost port located on the left side of the Dot Mini. It is
used to share data or charge the Dot Mini using PC and USB cables.
- USB-A port: The USB-A port is the second port, located directly under the USB-C port. It is used
to connect the QWERTY keyboard, etc.
- Micro HDMI port: The Micro HDMI port is the bottommost port, located directly under the USB-
A port. This port is only used for A/S purposes, so it is not supported for the user.
- SD Card Socket: The SD card socket is located on the bottom right side of the Dot Mini. You
can insert your SD card here.
- Earphone jack: The earphone jack is located above the volume keys, and allows you to connect
the Dot Mini to various types of earphones or speakers, such as open type and kernel type, so
that you can listen to the output sound.
9) Mic: The microphone hole is located above the second and third braille cells, and is used to
record sound.
10) Speaker: The speaker is located to the right of the direction keys, between the back key and
the control key. It is where the Dot Mini’s audio output is produced.
Ⅱ. Power on/off and Battery
1. Powering on and off
1) Powering on
Press and hold the power key for 3 seconds to power the Dot Mini on. A vibration will occur.
After 35 seconds, booting will be complete and an alarm will ring along with a vibration. At this
point, the braille cells will display [Dot Book]. You can begin using the device once you see [Dot
Book] displayed.

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2) Powering off
Press and hold the power key for 3 seconds to power the Dot Mini off. The braille pins will go
down, and an alarm will ring along with a vibration. Your device is now turned off.
2. Standby Mode
The Dot Mini will enter standby mode when it is not in use for a certain period of time, to reduce
power consumption. The device will vibrate twice to indicate the start of standby mode. Pressing
the power key when the Dot Mini is in standby mode will generate two vibrations to indicate that
the device is exiting standby mode. You will then be able to use the Dot Mini.
The waiting time of the Dot Mini (the time that the Dot Mini waits before it enters standby mode)
can be customized. By default, the waiting time is set to 10 minutes.
If you want to switch to standby mode while using the Dot Mini, make a short press with the
power key, and an alarm will ring, along with a vibration. The device then enters standby mode.
Pressing the power key at this point ends standby mode.
3. Battery
1) How to Charge
Connect the charging cable to the USB-C port. When the charging cable is connected properly, an
alarm will ring along with a vibration, and charging will start.
2) Checking Battery
There are two ways to check the remaining battery status. The first way is using a shortcut, which
is to press the shift key and control key simultaneously. The second way is to check the battery
status from the Settings menu.
If a charging cable is connected when you check your battery status, the word ‘Charging’ will be
displayed on the braille cell, followed by the battery percentage. Otherwise, the word ‘Battery’ will
be displayed, followed by the battery percentage. For example, if the charging cable is not

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connected and the device has 51% battery remaining, the braille cells will read [Battery 51%]. If
the charging cable is connected and the device has 51% battery remaining, the braille cells will
read [Charging 51%].
It is recommended that you charge the device when your battery level is below 10% to prevent
the device from being discharged.
III. [Starting the Dot Mini]
1. Dot Book
You can edit or read a book by connecting the Dot Mini to a PC or external storage device. You
can choose to read the file in braille or audio. The Dot Book supports TXT, BRF, epub, and daisy
file formats.
When you click the book and then press the enter key, the sentence [In what format would you
like to read?] will be displayed both in braille and audio. The book can then be opened by
pressing the up or down direction keys or by pressing the enter key.
*In audio mode, braille is not displayed.
1) Checking the current location
Pressing the enter key while reading a book will allow you to check your current page location in
the book. You will be notified of your paragraph and location with respect to the total number of
paragraphs through audio or braille. In braille mode, your braille display will show [paragraph:
current location / total number of paragraphs].
For example, if you are reading the third paragraph of a book consisting of 100 paragraphs, you
will hear or read in braille [paragraph: 3/100].
2) Highlight

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You can mark words or sentences with the underlining or highlighting functions supported by the
Dot Book.
Enter the highlight menu by pressing the control key and enter key simultaneously. To highlight
the selected sentence, press the enter key.
To view highlighted sentences, enter the highlight menu again, press the down key to find ‘Open
Highlight’, and press ‘Enter’ to display the list of saved highlights. You can move within the list
using the up and down keys.
When you find the saved highlight that you want to view, press ‘Enter’. You will read or hear [Go
to highlight]. If you wish to delete it from the list of saved highlights, press the down key. You will
read or hear [Delete highlight].
To view the highlighted sentence in the book, press the enter key to select the [Move to the
corresponding location] option from the Highlights menu. To delete the saved highlight, press
[Delete highlight].
3) Bookmark
While reading a book, you can only save up to one bookmark, which is a function that allows you
to save your current page.
Go to the ‘Bookmark’ menu by pressing and holding the control key and enter key
simultaneously. You will read or hear [Add Bookmark]. At this point, press ‘Enter’ to save the
bookmark.
If there is already a saved bookmark, you will read or hear [Replace bookmark]. Pressing the enter
key replaces the old bookmark with the new bookmark.
To move to the bookmarked page, go to the Bookmark menu, use the down key to find ‘Go to
bookmark’ and press ‘Enter’.
4) Move to paragraph
The ‘Move to paragraph’ function is used to move from your current position in a book to a
particular paragraph. Make a short press with the up or down key to move one paragraph at a
time, or make a long press with the same keys to move 10 paragraphs at a time. Simultaneously

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press the shift key and an up or down key to move 30 paragraphs at a time. Similarly,
simultaneously press and hold the shift and up or down key to move 50 paragraphs at a time.
2. Brl Classroom
The Brl Classroom serves an educational purpose and can be used to learn braille history,
uncontracted grade 1 English braille, contracted grade 2 English braille, and Korean braille. The
‘Dot-to-Dot’ menu inside the Brl Classroom trains your fingers to recognize the dots and their
positions. The audio files within the Brl Classroom work differently from the Dot Mini audio mode,
so be sure to follow the instructions that precede the lessons.
3. Music player
You can save and play music by connecting the Dot Mini to a PC or external device. Not only can
you read a book while listening to music, but you can also check out the song information.
1) Music player
Use the up or down key to move between items. Press the up key to move to the previous item
on the list, and press the down key to move to the next item on the list. Press the up key and
previous key simultaneously to move to the beginning of the list. Press the down key and next
key simultaneously to move to the end of the list. Press ‘Enter’ to play the song when the title is
shown on the braille display. As the song is being played, the title of the song will be displayed
on the braille cells.
※ When the title of the file being played is shown on the braille display, you can:
- Play or pause a song: to play or pause a song, press the enter key
- Stop a song: to stop a song, press and hold the enter key. Once the song is stopped, you will
move back to the item list.
*The current playback location and entire playback length are displayed as 00:00:00.
For example, if the entire playback length is 1 hour, 2 minutes, and 34 seconds, it will appear as

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01:02:34 in braille on the braille display.
If the current playback location is 5 minutes and 9 seconds, it will appear as 00:05:09 in braille on
the braille display.
- Check current playback location: to show the current playback location on the braille display,
press the next key.
- Check the total play length: to show the total play length on the braille display, press the next
key twice, or go to the current play position and press the next key once. The full playback length
will be displayed in the braille cell.
- Move to the previous song: to move to the previous song, press the up arrow key.
- Move to the next song: to move to the next song, press the down arrow key.
- Rewind 10 seconds: to rewind 10 seconds, press the left key.
- Forward 10 seconds: to forward 10 seconds, press the right key.
- Stop a song when using other apps: to stop a song when using other apps, press and hold the
shift key and enter key.
2) Music Settings
The Music Settings menu includes repeat playing and random playing. There are three options in
the Repeat menu: repeat none, repeat one, and repeat all. There are two options in the Random
menu: random play none and random play all. Use the up and down keys to move within the
menu. Press the enter key to select an option. Press ‘Enter’ once more to set the option as
default.
4. Recorder
You can use the Voice recorder function to easily record during classes or meetings. The file will
be saved as an MP3 format and can be stored in either the Dot Mini or an external storage

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device.
1) Start recording
In the ‘Start recording’ menu, press ‘Enter’ to start recording. While recording, press the next key
to show the current length in the braille display for three seconds. To pause recording, press
‘Enter’ to pause recording. The relevant menu will be shown.
Once the menu is displayed, press the up or down key to select Resume, Listen, Save, or Delete,
and press the enter key once more to execute that action. If you click ‘Enter’ in the Save menu,
the file will be saved and you will move to the recorded list.
2) Recordings lists
You can play files recorded with the Dot Mini as well as recorded files stored in an external
storage device.
Use the up and down keys to move between items. Press the up key to move to the previous
item, and press the down key to move to the next item. Press the up key and previous key
simultaneously to move to the beginning of the list. Press the down key and next key
simultaneously to move to the end of the list. Press ‘Enter’ to play the recorded file when the title
is shown on the braille display. You will enter ‘Recorded file playback’ state. In ‘Recorded file
playback’ state, you can check the playback position by reading the [hour:minute:second] on the
braille display. Press ‘Enter’ to pause, and press ‘Enter’ once more to resume from where you left
off. For example, as you listen to 1 hour 23 minutes 11 seconds of a display, the braille display
will show [1:23:11].
In ‘Recorded file playback’ state, you also can choose the playback length to 10 seconds, 1
minute, 10 minutes, and 30 minutes using the up and down keys. After changing the playback
length, press the left key to rewind one playback length from your current position. Similarly,
press the right key to forward one playback length from your current position.
3) Recording settings

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You can set a storage location for recorded files. Select the preferred storage device using the left
or right keys and press ‘Enter’ to save the recorded file in that device.
5. Settings
1-1) Wireless Communications-Bluetooth
The Bluetooth function enables a nearby mobile or earphone device to be connected to the Dot
Mini. You can sync your Dot Mini with a mobile application via Bluetooth to download book files.
Press the left or right key to change the Bluetooth preference to ‘Bluetooth on’ or ‘Bluetooth off’,
and press ‘Enter’ to save this setting.
1-2) Wireless Communications-Wifi
* Wifi Telecom will be able to organize networks in a group format for future use by
organizations such as educational institutions.
* This function will be applied at a later time when the function is updated and a detailed manual
on the function will be added.
* There are no scheduled updates for this function. Please refer to our website for updates.
( www.dotincorp.com )
2) Sound
You can choose to enable or disable sound alarms. Use the left and right keys to choose your
preferred sound mode, then press the enter key to save this setting. Disabling sound alarms will
not give you audible feedback or notifications. You can also choose to mute the Dot Mini, using
the same keypress combination.
3) Vibration
You can choose to enable or disable vibrations for the Dot Mini. Use the left and right keys to
choose your preferred option, then press the enter key to save this setting. Disabling vibrations
will not give you vibration feedback for turning the Dot Mini on and off, as well as for battery
warnings.

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4) Standby Mode
You can choose to enable or disable standby mode. Use the left and right keys to choose your
preferred option, then press the enter key to save this setting. Disabling standby mode will not
switch the Dot Mini to standby mode even after the saved waiting time.
You can select the waiting time to 5 minutes, 10 minutes, 20 minutes, or 30 minutes. Use the up
and down keys to choose your preferred waiting time, then press the enter key to save this
setting.
5) Language
You can select the language to use the Dot Mini in. (For English braille, you may also select the
grade of braille.)
You can change the language in the ‘Language’ menu using the left and right keys to select the
preferred language, then pressing ‘Enter’ to confirm the language change.
For English braille, you can use the ‘Grade’ menu to choose between uncontracted braille or
contracted braille. Selecting ‘Grade 1’ will display all braille words in uncontracted form, while
selecting ‘Grade 2’ will display specific braille words in their contracted form.
6) Battery
In the ‘Battery’ menu, you can check the battery percentage and charging status of the Dot Mini.
There are two ways to check the remaining battery status. The first way is using a shortcut, which
is to press the shift key and control key simultaneously. The second way is to check the battery
status from the Settings menu.
If a charging cable is connected when you check your battery status, the word ‘Charging’ will be
displayed on the braille cell, followed by the battery percentage. Otherwise, the word ‘Battery’ will
be displayed, followed by the battery percentage. For example, if the charging cable is not
connected and the device has 51% battery remaining, the braille cells will read [Battery 51%]. If
the charging cable is connected and the device has 51% battery remaining, the braille cells will
read [Charging 51%].

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7) Manual
For your convenience, we've included the Dot Mini Manual. The manual will help you find
information and instructions that you will need while using the Dot Mini. The manual is to be
updated along with each Dot Mini update.
8) Storage
This menu helps you check available storage space to help you manage storage space efficiently.
You can view storage currently in use and available storage space.
When you enter the Storage menu, you will read and hear [Entire size]. At this point, if you press
the down key, you will read and hear [Free Space]. The unit of space used is GB.
9) About your Dot Mini
This menu allows you to see the OS version, firmware version, and app version of your Dot Mini.
Use the up and down keys to check different information in the menu.
10) Update
Information regarding updates will be registered on the homepage. Updates can downloaded
using an SD card.
After downloading an update file, enter the ‘Update’ menu and choose between the OS update,
firmware update, application update options. Press the enter key to proceed with the selected
update.
(Home page: www.dotincorp.com)
11) Reset
You can return to default settings by resetting your device.
Once you enter the ‘Reset’ menu, you will read and hear [Press enter to reset all settings].
Pressing ‘Enter’ at this point will reset and automatically restart the Dot Mini.

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IV. [Safety and Handling Precautions]
The contents of this manual are based on the default settings of the device. The contents may
differ from the actual device experience depending on the software version, firmware version,
model specifications, and user’s customized settings. Do not use the product for other purposes.
Beware that the product may be damaged if a shock is applied.
- Keep the Dot Mini dry. The device may malfunction when used in humid or wet environments.
- Do not allow close contact or use in close proximity of other magnetic chips, products, or
metals.
- If possible, use the device on a table away from human body. If dust enters the device, it may
damage or cause the device to malfunction.
- Please use approved accessories provided and authorized by Dot Co., Ltd. Use of non-genuine
parts and components may result in device malfunction and/or irreparable damage. In this case,
warranty will be void.
- When external pressure is applied on the braille display as the cells are moving, the device may
not operate properly. This is not a malfunction, so please try operating the device again after
removing the source of pressure.
- If the device is turned over and used incorrectly with the back side facing upwards, it may not
display the correct braille.
- Device design and specifications may change without notice, for performance improvements.
- If the user changes any of the software provided by Dot or downloads software for the device
that is obtained through other means than the official channels for distribution, the device may
malfunction or become damaged. In this case, warranty will be void.
- The Dot Mini does not provide services related to personal safety and health due to possible
radio wave interference with life-support mechanisms.
- The surface temperature of the device may rise when the device is being charged. If the battery
temperature exceeds a certain level, charging may automatically cease for safety reasons.
- Before sending the product to a customer service center for A/S, please back up and store all

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data, as it may be lost or deleted during repair. The manufacturer is not responsible for the loss
of data. In addition, the Micro HDMI port is only used for A/S purposes, so it is not supported for
the user.
Please follow the safety precautions below:
1. [Lightning Hazards]
When thunder or lightning is severe, it is advised not use the device. Disconnect the charger from
its power source.
A lightning strike may cause serious injury or fire.
2. [Use in Restricted Areas]
Do not use the device in restricted areas where the use of electronic device is prohibited, such as
in airplanes, hospitals, etc.
Note that some electronic/communication devices may be affected by electromagnetic waves
from this device.
3. [Disassembly Precautions]
Do not disassemble or shock the device. There may be risks of electric shock, short circuiting, or
fire.
Do not use damaged devices. There may be risks of fire, burn, injury or electric shock.
If the device is damaged or malfunctions, contact the nearest customer service center.
Disassembling the device at your will may damage the device. In the case that you may need to
disassemble the device, please visit the nearest service center. Your warranty is void if there are
unauthorized attempts of disassembling the device. Such unauthorized attempts to disassemble
the device may also cause irreparable damage to the device and/or cause bodily harm.

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4. [Power Precautions]
Insert the charger USB cable correctly and make sure it is firmly connected.
Do not bend, pull, twist, heat, or cut the charging cable. Doing so may damage the cable and
cause fire or electric shock.
Disconnect the charger when not in use.
There may be risks of electric shock when using the Dot Mini while charging.
When removing the adaptor, hold the part of the adaptor and carefully separate the adaptor from
the device. Pulling on the wire with extreme force to remove the adaptor may cause the wire to
disconnect and malfunction.
5. [High Temperature and Humidity Precautions]
Do not use the device in hot or humid places.
If the product comes in contact with water, turn off the power, and completely dry it before using
it again.
Do not place the device in direct sunlight or laden car windows, blankets, electric boards, and
carpets for extended periods of time. The produce may deform, not operate properly, or explode.
If the temperature of the product rises rapidly, please stop using the product and contact the
service center.
*Normal operating temperature is -10°C to 50°C
6. [Chemical Precautions]
Do not use alcohol, benzene, acetone, or any other chemical-based solution to clean the device.
The device may malfunction or may cause fire. In addition, there may be irreparable damage done
on the device.
To clean, gently wipe the device with a soft cloth.

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7. [Metal Precautions]
Do not place charging terminals close to exposed metal, such as necklaces, keys, coins, nails,
watches, etc.
If metal objects are shorted to the charging terminal, there may be risk of explosion and/or
irreparable damage to the device.
8. [Children/Pets Precaution]
Store the device, charger, and parts away from children and pets.
The device may cause electric shock, or cause exposure to electromagnetic waves when damaged
or in contact with saliva.
Make sure that children and pets do not swallow the device. Swallowing or biting the device,
charger, or parts may cause suffocation and/or bodily harm.
9. [Hazardous Area Precaution]
Do not use the device in magnetic-sensitive atmospheres. It may affect high-frequency equipment
nearby.
Do not place the device in an unstable place, such as a vibrating surface or a sloping area. Failure
to do so may damage the device and/or cause bodily harm.
10. [Fire Precaution]
Do not wrap the device or cover with insulation when in-use or when charging.
Make sure to recycle it correctly. Disposing electronic device in the trash may cause fire, explosion
and environmental damage.

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11. [Skin Damage Precaution]
When using the device for a long time, the surface temperature of the device may rise. It is not
unusual for the device to do this, and the device should still operate properly. Stop using the
device immediately if it causes skin spots, pigmentation, or burns.
If the device causes any allergic reaction, stop using the device immediately and consult a doctor.
12. [Storage Precaution]
When not in use, disconnect the charging cable from the outlet and store it in a safe place.
When storing the power adaptor, be careful not to bend or twist the USB cable. If the USB cable
is severely folded or twisted, the cable may be peeled off or broken, which may result in a
malfunction or accident.
13. [Battery Precaution]
In hot or humid places, the battery may not charge well or may be consumed more quickly
than usual.
Do not expose the battery or charger to direct sunlight or use it in a place with high humidity,
such as bathroom or a heated automobile.
- If you want to use the device again after leaving it unused for a prolonged period, use it after
the device is fully charged.
- Removing the battery by force may cause it to ignite or explode.
- Do not open, disassemble, damage, bend, deform, puncture, or crush the device.
- Do not attempt to alter or modify the battery, insert foreign objects, or immerse or expose to
liquids such as water.
- Once the device is fully charged, disconnect the charger from the outlet to prevent
unnecessary power consumption.
- It is recommended that you send both the device and charger when sending the product to a
customer service center due to any customer issues.
- If the product becomes too hot during charging, please separate the charger and Dot Mini
using gloves or other equipment.
- High temperature may cause damage to the product. At this time, unplug the USB cable and