LVI MagniLink AIR - Mac User manual

User Manual
MagniLink AIR - Mac
LVI America Inc.
302 Saunders Road, Suite 200 Phone: [phone] [email protected]
Riverwoods, IL 60015, USA www.lviamerica.com
LVI Low Vision International
Verkstadsgatan 5 Tel: [phone] [email protected]
SE-352 46 Växjö Faks: [phone] www.lvi.se

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Table of Contents
1 About LVI......................................................................................... 5
2 Introduction to MagniLink AIR....................................................... 6
3 Information...................................................................................... 7
3.1 Reuse, installation and maintenance......................................... 7
3.2 Cleaning ...................................................................................... 7
3.3 Safety information....................................................................... 7
4 Unpacking ....................................................................................... 9
4.1 Packaging.................................................................................... 9
5 Accessories ................................................................................... 10
6 MagniLink AIR Distance ............................................................... 11
7 MagniLink MacViewer .................................................................. 13
7.1 Minimum system requirements ............................................... 13
7.2 Recommended system requirements ..................................... 13
7.3 Installation of software ............................................................. 14
7.4 Using the software .................................................................... 15
8 Ergonomics ................................................................................... 38
9 Technical information................................................................... 39
10 Declaration of Conformity ........................................................... 40

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1 About LVI
LVI Low Vision International AB was founded in 1978 and is one of the
world's leading manufacturers of equipment for persons with visual
impairments. Development of new products takes place in close
cooperation with users and professional staff within the low vision
rehabilitation industry. LVI is quality-certified in accordance with ISO 9001
and environmentally-certified in accordance with ISO 14001.
The information in this manual has been carefully checked and is
believed to be accurate. However, LVI assumes no responsibility for any
inaccuracies that may be contained in this manual. In no event will LVI be
liable for direct, indirect, special, exemplary, incidental, or consequential
damages resulting from any defect or omission in this manual. In the
interest of continued product development, LVI reserves the right to
make improvements in this manual and the products it describes at any
time, without notice or obligation.

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2 Introduction to MagniLink AIR
Thank you for choosing this camera system. Our aim is for you to be
satisfied with your choice of supplier and vision aid.
MagniLink AIR is a product line of magnifying camera systems designed
for people with visual impairment. The system is available with several
different cameras that can be combined in various ways. MagniLink AIR
Uno with a combined distance and reading camera. MagniLink AIR Duo
with a distance camera and a reading camera. MagniLink AIR Distance is
a distance camera that connects to a computer via a network cable. You
can also connect various LVI reading cameras to the system. The system
offers features such as the ability to pan and tilt the camera,
magnification settings, autofocus, several artificial colours, reading mode,
mirror mode and distance mode settings, amongst other things.
MagniLink AIR can stream video to a PC or a Mac.
The systems complies with all CE certification requirements for medical
devices in accordance with EU regulation 2017/745.

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3 Information
3.1 Reuse, installation and maintenance
The device may only be technically overhauled and prepared by an
authorized company. Re-use may only be carried out after appropriate
inspection and cleaning / disinfection.
3.2 Cleaning
Before equipment cleaning and maintenance note:
• Disconnect the device from the power supply before cleaning.
• Use a slightly damp (not wet) cloth and a cleaning / disinfectant
agent intended for monitors and computers.
• Do not allow any liquids to enter the device.
3.3 Safety information
• If the product is moved from the cold into a warm room,
condensation (moisture) can form inside the unit or on the camera
lens. To prevent problems with condensation, the apparatus should
be installed in the room at least 30 minutes prior to usage.
• Please follow the instructions in the document called “Assembly
and Installation”.
• Store cables and power supplies securely.
• LVI recommends having two persons present when mounting the
unit to a ceiling.
• Make sure the system is installed correctly.
• Do not pull or hang on the system after installation.
• Be aware of crushing.
• Do not cover the system.
• Never operate the product if it has been exposed to water or other
liquids. Damaged or wet product can cause electric shocks or fire.
• If the system requires cleaning, pull out all cables and use a slightly
damp (not wet) cloth. Use only water or a cleaning agent that is
intended for monitors and computers.

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• Do not rely 100 per cent on the results of an OCR conversion; the
OCR engine can misinterpret the text. This is particularly important
to bear in mind when processing sensitive information such as a
medical prescription.
• Make no further adjustments, even if the product does not function
normally after following the functional descriptions. Pull out the
power cable and contact service staff or the product distributor.
Only use spare parts that are specified by LVI.
If in doubt, contact your supplier.
Warning
The product is supplied packed in a plastic bag. To avoid risk of
suffocation, keep the bag out of the reach of children and infants.

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4 Unpacking
The system is supplied in a box with the following contents:
• Camera system
• User Guide
• USB memory stick with software
Make sure there is no external damage before opening the box. In the
event of damage, contact the courier to report the damage. Open the
box, take out the MagniLink AIR and remove the packaging parts. For
further information, please see the chapter on Installation.
4.1 Packaging
The packaging consists of the following packaging material (LVI
recommends that the packaging be kept in case you have to return the
system or you need to move it):
• Packing material (EPEL E)
• Box (corrugated cardboard)
• Polyethylene (LDPE4)
For sorting and collection of packaging material, please call the
packaging collection customer service department for information on the
rules that apply in your municipality.
Note that the product and its accessories must be recycled as electronic
waste. A worn-out battery is recycled as electronic waste.

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5 Accessories
MagniLink Framegrabber (MLAIR-A004). Used to transfer images from an
external video source (e.i. a projector/smartboard) to the software.
Roof bracket (MLAIR-A014). Used if the ceiling is not using 60x60cm
panels.
Text To Speech for PC (TTS-PC) or Mac (TTS-MAC).

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6 MagniLink AIR Distance
The distance camera is connected using the included network cable. The
distance camera is available with various brackets.
Table bracket (MLAIR-DISTANCE).

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Ceiling bracket (MLAIR-DISTANCE-C).
Wall bracket (MLAIR-DISTANCE-W).

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7 MagniLink MacViewer
MagniLink MacViewer is a programme used on a Mac computer to
display images from a MagniLink camera system. The programme can
control the camera properties, such as magnification level, artificial
colours and brightness. If the camera supports OCR it is possible to OCR
process a text and have it read aloud by a speech synthesiser.
7.1 Minimum system requirements
• Mac OS X Version 10.14 Mojave, or later.
• Wireless network adapter.
• To use the system at minimal resolution and frame rate, you need a
computer with 2.53 GHz Intel Core 2 Duo processor and 4GB of
RAM.
7.2 Recommended system requirements
• Mac OS X Version 10.14 Mojave, or later.
• Wireless network adapter.
• To use the system at maximum resolution and frame rate, you need
a computer with i5 or i7 processor, 4 GB of RAM and an external
graphics card with at least 512 MB of built-in memory.

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7.3 Installation of software
To install MagniLink MacViewer on your Mac, insert the USB stick
containing the software into one of the computer's USB ports. Begin the
installation by double clicking on the "MagniLink MacViewer.dmg" file
located in the "Software Mac" folder.
Read the text in the ”License Agreement” dialogue box, and accept the
license agreement by clicking the "Agree" button. After clicking
"Agree", the following window will open.

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To install MagniLink MacViewer, drag the "MagniLink MacViewer" icon
to the "Applications" folder. This completes the installation.
7.4 Using the software
7.4.1 Functions via menus
The application consists of a window with tabs and groups of buttons.
There is a tab for application settings and another tab for handling the
camera. Depending on whether the system is licensed for OCR, there is
also a tab for handling the OCR processed text.
7.4.1.1 Camera tab
Change natural colours
used to change between natural colours and grey scale.
Change artificial colours
used to change between artificial colours
Decrease magnification
Increase magnification
Overview mode
Reduces magnification to overview mode. Click again to
restore the magnification. When overview mode is active,
a sight is displayed in the middle of the video window.

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Change Image Source
Used to swap image sources (if there are more than two
sources).
Change camera
Used to swap cameras.
Change split mode
Change between vertical and horizontal split mode.
Move split left
Moves split mode to the left.
Move split right
Moves split mode to the right.
Pan left
Pan right
Tilt down
Tilt up

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Position 1
To save the position, hold down “Ctrl” while pressing the
button. The camera image will then move into the saved
position when pressing the button.
Position 2
To save the position, hold down “Ctrl” while pressing the
button. The camera image will then move into the saved
position when pressing the button.
Position 3
To save the position, hold down “Ctrl” while pressing the
button. The camera image will then move into the saved
position when pressing the button.
Lock autofocus
Locks the autofocus mode. This can be used when you
wish to write by hand. In this way, autofocus is not
affected by the pen or your hand. Press the button a
second time to reactivate autofocus.
Focus up
Reduce focus distance. When this function is used,
autofocus is turned off.
Focus down
Increase focus distance. When this function is used,
autofocus is turned off
Reduce brightness/contrast
Increase brightness/contrast

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Reference line/bar left/up
Adjust the position of the reference line. Press the button
to move the reference line to the left. Hold the button in
to change the reference line to horizontal and move it
upwards. The reference line then becomes a vertical bar
which diminishes the viewing area. To make the bar
horizontal, press the button again.
Reference line/bar right/down
Same as the previous command but in the opposite
direction.
Take snapshot
A dialogue box “Save pictures” opens. A file name (with
the day's date and time) and a folder (MagniLink) are
automatically suggested. Just press “Enter” to save the
picture. If you wish to save the picture somewhere else,
or with another name or in another format, (the standard
is JPG), you can change this manually. To save a picture
quickly, hold down “Shift” when you press the button.
Show pictures
Press to view the saved pictures. Mark the picture you
wish to view and press Enter or select Open. The picture
is normally opened in Mac OS standard picture-viewing
programme where, among other things, the picture can
be enlarged. To view the most recently saved picture
quickly, hold down “Shift” when you press the button.
Start/stop video recording
Press to open the ”Save video clip” dialogue box. A file
name (with the day's date and time) and a folder
(MagniLink) are automatically suggested. Press Enter to
save with the suggested name. If you wish to save the
video in a different folder, or with another name, you can
change this in the dialogue box. Stop the recording by
pressing the button again. To start video recording
quickly, hold down “Shift” when you press the button.
Show video recording
Press to view the saved video files. Mark the video you
wish to view and press Enter or select Open. The video is
normally opened in Mac OS standard media player
software. To view the most recently saved video
recording quickly, hold down “Shift” when you press the
button.

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Rotate the camera image
Rotates the camera image clockwise. To rotate anti
clockwise, hold down Shift when you press the button.
Mirror the camera image
Press again to reverse the mirror image.
Freeze the camera image
Press again to release the freeze.
OCR process (Only shown if the system has a licence for
OCR)
When OCR processing is complete, the programme
changes to the OCR tab and the text is read. If there is
already text under the OCR tab this is replaced. Hold
down Shift when you press the button to insert the text
on a new page.
Whole image (Only shown if the system has a licence for
OCR)
When this is active, the whole camera image is shown.
Otherwise edit in the image, depending on how large
the camera window is.
Next split screen mode
Switches to the next split screen mode. In order to switch
to the previous mode, hold down Shift when clicking on
the button.
Always on top
Activates/deactivates "always on top" If "Always on top"
is activated, the camera image will be placed over other
open applications. This means that another programme
can be in focus and that you can for example use a word
processor while looking at the camera image.
Help
Opens the user guide in the standard application for
showing PDF files.

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7.4.1.2 OCR tab
The following tab is only shown if the system has an OCR licence.
Save documents
A dialogue box opens. A file name (today’s date and
time) is suggested automatically. It is possible to save the
text as an RTF file (.rtf) or zip file.
Open documents
A dialogue box opens. From the dialogue box, select the
file to be opened. It is possible to open PDF files, RTF
files and image files, .bmp, .jpg, .png, .gif and .tiff, as well
as saved zip files.
Change natural colours
used to change between natural colours and grey scale.
Change artificial colours
used to change between artificial colours
Font
Changes the font of the OCR processed text. It is also
possible to choose bold and italic text. The font that is
used has no effect on the result of the OCR processing.
Font size
Start/Pause reading
Stop reading
The next reading will begin from the start of the text.