Manual
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Purdue EPICS Magnifier User-Manual
The Magnifier is a device that provides magnification for individuals with
visual impairments while using the iOS application developed by the ISBVI
EPICS team at Purdue University. This magnification is available through the
USB-camera attached to the support system. The device is designed to con-
nect from one’s iPad to a wireless router imbedded in the device. Once the
iPad has been connected, individuals are able to livestream documents onto
their iPad for magnification.
Mechanical Setup
This user friendly device is compiled of the simple parts labeled below in
Figure 1.
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Camera
Catch Blocks
X/Y Table
Battery
Crossbar
Light Knob
Arm

• In order to set up the physical device, raise the arms to rest against the
catch blocks.
• When you wish to collapse the device to make it more portable, make use
of the spring catch system modeled below in Figure 2.
-As the images show, pinch the tabs located in the middle, below the
crossbar to collapse the device.
• The document being displayed through the Magnifier will be placed on the
X/Y Table.
-Use of the X/Y table is displayed in Figure 3. Table is adjustable by
hand.
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*Figure 2
*Figure 3

• Documents will be streamed through the camera, located at the top of the
device. Camera lighting can be controlled by the light knob located on one
of the arms.
• Before connecting the iPad to the Magnifier, be sure it is open for about 30
seconds. This is time needed for the Magnifier to load.
• In order to connect the iPad to the device, go to the Wifi (in the settings app
on your iPad) and connect to the router. The router can be found under the
name, Magnifier 1.
-Then, use the camera (on your iPad) to scan a picture of the QR code.
The QR code can be found on the backside of the crossbar.
Software Setup
Once you have set up your device, you will be able to access and manipulate
the livestream document through your iPad.
• Immediately upon connecting the iPad to the Magnifier, the iPad will dis-
play a livestream of the document placed below the camera. The iPad
screen will look much like Figure 4.
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*Figure 4

• The bottom left settings icon will lead you to the Menu Controller.
• The Menu Controller is below depicted in Figure 5. As the image shows,
there are three circles that can be accessed through touch. Once you have
clicked on one of the circles, you will be directed to that specific feature.
Each circle contains a unique feature as described below.
• Return - This will take you back to the the main screen of the app. Here,
you can view a live stream of the document placed under the camera. One
can zoom and manipulate the image simply by spreading your index fin-
ger and thumb across the screen.
• Split View - Through this feature, you can view the livestream document
(on the left side of the screen) along with a still image (on the right side of
the screen). This image can be a screenshot of the document being
streamed or a photo from your iPad.
-In order to take a screen shot, tap the camera icon in the bottom right
hand corner in Figure 5. This will snap a still image of the document
being streamed immediately switch to split screen. Your screen look
much like the one below, Figure 6.
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*Figure 5

-In order to access old photos, tap photo icon in the middle of the top of
the screen of Figure 6.
-Double tap the image on the right side of split view to view the still
image in full screen as displayed below in Figure 7.
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*Figure 6
*Figure 7

•Help - This will lead you to this document, the User Manual.
•Frequently Asked Questions
◦What if I want to invert the colors on my screen?
◦If you would like for the colors on your screen to be inverted, ac-
cess the Settings app on your iPad. From there, tap General > Ac-
cessibility > Turn on the option for Invert Colors (it is under the Vi-
sion section on top).
◦What happens if I scan the QR code and there is no video stream?
◦If the video stream fails to load, be sure to double check that you
are connected to the Wifi.
◦How do I change the batteries?
◦The battery pack is located on the back of the crossbar. The Magni-
fier uses AA batteries.
◦Can I hook up more than one iPad to one single Magnifier?
◦Yes, you can hook up more than one iPad to a single Magnifier.
Simply follow the steps when connecting listed above in Mechani-
cal Setup for both iPads.
•Any further questions can be directed to the fol-
lowing EPICS members.
▪For physical device needs, contact Aditya Mishra-mishra59@purdue.e-
du
▪For software needs, contact Nick Rosato-rosaton@purdue.edu
▪For any user needs issues, contact Sheila Schuh-schuhs@purdue.edu
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