Rehan Electronics Acuity User manual

USER MANUAL
ACUITY

Acuity
2

User Manual V1.0 3
Table of Contents
1 Introduction ................................................................................4
2 Installation, safety and maintenance ..................................................4
Installation ..................................................................................4
Adjust the tilt of the screen .............................................................4
Adjust the height of the screen ........................................................5
Connecting the cables ....................................................................5
Transporting the Acuity ...................................................................5
Tips for usage ...............................................................................5
3 Controls - Screen ..........................................................................6
3.1 Display Modes ...........................................................................6
3.2 Zoom ......................................................................................6
3.3 Block auto focus ........................................................................6
3.4 Brightness ................................................................................7
3.5 Advanced Reading Aids ................................................................7
3.6 Tableau ...................................................................................7
3.7 Brake Handle ............................................................................8
4 Controls - Remote Control ...............................................................8
5 Advanced Menu ............................................................................9
6 Directive .....................................................................................9
7 Discarding the Acuity ....................................................................9
8 Technical specications ..................................................................10

Acuity
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1 Introduction
Congratulations with your Acuity; a desktop video magnier of high quality that is especi-
ally user friendly with its touch sensitive input method.
Read this manual thoroughly before you start to use your Acuity. This manual contains
instructions on how the device needs to be installed, and describes all of the functions of
the Acuity.
2 Installation, safety and maintenance
Package contents
The package of the Acuity contains the following:
• Acuity
• Power adaptor
• Manual
• Remote Control
• Remote Control receiver
Installation
Never open up the device yourself; this will void your warranty. If you
suspect the device is in need of service or repairs, please contact your
supplier.
The Acuity will be delivered to you in a pre-assembled state. All you have to do is slide the
screen up to your preferred height and connect the power cable to the base.
Adjust the tilt of the screen
The screen can be tilted by rmly holding the screen on the left and right side, and tilting
the screen in your preferred position.

User Manual V1.0 5
Adjust the height of the screen
The height of the screen can be adjusted by rmly holding the screen on the left and right
side, and pulling the screen up or down to your preferred position.
Connecting the cables
The only cable that needs to be connected is the power cable. Ensure the power cable is
inserted into the device and in a wall socket.
Transporting the Acuity
When transporting the Acuity slide the monitor to its lowest position and tilt it downwards.
Tips for usage
• Avoid direct sunlight on the screen and tableau.
• Be careful when handling the moving parts of the reading table.
• The Acuity requires little or no maintenance. If you want to clean the exterior of the
device, only use a dry cloth. The use of aggressive cleaning products like alcohol,
acetone or other chemical substances is prohibited.
• Do not use the Acuity as a support for walking, sitting down or getting up.
• Switch off the device if you do not intend to use it.
• Ensure that the Acuity is placed in a well ventilated room.
• Place the Acuity on a stable surface to prevent it from falling.
• Only use your Acuity indoors. Do not expose the device to extreme temperature
uctuations or humidity. Do not place your Acuity next to a heat source.
• Only use the supplied cables and connect the power cable to a socket.
• Ensure that the Acuity is placed at a minimal distance of 10 cm / 4 inches from the
edge of the table.

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3 Controls - Screen
The on/off switch of the Acuity is located on the lower right hand side on the back of
the monitor. Hold it for 2 seconds until the startup or shutdown tune is played to switch
the device on or off.
The controls of the Acuity can be found below the screen and consist of touch sensitive
pads:
3.1 Display Modes
Tap
Tap this icon to cycle through all available display modes.
Tap-and-hold
Tap and hold the Display Mode icon to quickly switch between your last used high contrast
mode and the full colour mode.
Swipe
Swipe from right to left, or downwards to go to the next display mode in the cycle.
Swipe from left to right, or upwards to go to the previous display mode in the cycle.
3.2 Zoom
Touching the minus icon allows you to zoom out.
Touching the plus icon allows you to zoom in.
The magnication level will be shown on screen.
3.3 Block auto focus
By tapping the magnier icon the device will refocus on your reading material and
block the auto focus on that level.
Tap a zoom button to unblock the auto focus.

User Manual V1.0 7
3.4 Brightness
Tap
By tapping this icon you can cycle through 5 brightness levels.
Swipe
Swipe from right to left to go to the next brightness level in the cycle.
Swipe from left to right to go to the previous level in the cycle.
3.5 Advanced Reading Aids
Tap-and-hold
By tapping and holding the brightness button you will enter the
Advanced Reading Aids menu. After starting up, or when no reading
aid has been previously selected, you will see a red cross to indicate
this.
The following reading aids are available:
While the reading aid icon is active use the following controls to set up your preferred
reading aid:
Vertical Swipe
Swipe up or down over the brightness button to cycle through the Advanced Reading Aids:
• Vertical blanking
• Horizontal blanking
• Vertical line
• Horizontal line
Horizontal Swipe
Swipe from right to left to go to the next setting of the selected reading aid. Each reading
aid has 5 settings indicated by a number shown in the icon.
3.6 Tableau
The Acuity contains a tableau on which you can place your reading material. The tableau
can move from left to right and from front to back.
horizontal
blanking
vertical
blanking
horizontal
line
vertical
line
no reading
aid selected

Acuity
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3.7 Brake Handle
In front of the tableau of the Acuity you will nd a single brake handle with which you can
control the movement of the tableau. The handle has 4 positions:
Left = The tableau can be moved freely.
Middle-left = Free movement from left to right.
Front to back movement can be adjusted by 5 millimeter increments
by moving the tableau.
Middle-right = Free movement from left to right, front to back movement is blocked.
Right = All movement of the tableau is blocked.
4 Controls - Remote Control
The Acuity can be used with a remote control. Currently there are 2 versions available of
the remote control:
Display Mode Brightness
Zoom
Previous
Zoom
Next
Display Mode
Lines Blanking
Reading AidsBrightness
LED

User Manual V1.0 9
5 Advanced Menu
The Acuity contains an advanced menu with which you can (de)activate certain functions
of the Acuity. You can access the advanced menu by ensuring the device is switched off,
then holding the on/off button approx. 10 seconds until you see the following screen:
On this screen you can select
which high contrast mode you
want available in your Acuity. By
default all modes are activated.
Use the zoom buttons to select
a specic mode and use the
magnier icon to switch the
selected mode on or off. Reset
the Acuity for the changes to
take effect.
By pressing the Display Mode
icon you can view a second
screen of selectable options.
These options are crop zoom,
sound, indication for magni-
cation while zooming and zoom
preset.
The crop zoom function crops
the image on screen to 50% so
that a zoom level of 1x can be
achieved.
6 Directive
This product meets the requirements of the EMC standard and the following regulations:
EMC Directive 2004/108/EC
EN60950-1: 2006
EN55024:1998, +A2:2003
EN55022:2006 Class B
EN61000-3-2:2006
7 Discarding the Acuity
This symbol of the crossed out wheelie bin indicates that the product must not be
disposed of with your other household waste. Check local regulations for proper disposal
of electronic products.

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8 Technical specications
Resolution 1920 x 1080
Video refresh rate 60 Hz
Display size 22 inch (54.6 cm)
Display modes
* These display
modes are origi-
nally activated
in your Acuity.
Please contact your
supplier if you want
to make use of the
other display modes.
Photograph Full colour*
Greyscale*
High contrast
Black - white* Black - yellow*
White - black* Yellow - blue
Green - black Blue - yellow*
Black - green* Red - black
Yellow - black Black - red
Magnication
(With a 22” screen)
Minimum ≈ 2.3x (when in crop mode ≈1x)
Maximum ≈ 65x
Reading Aid
Horizontal Reading Line Available in all models
Vertical Reading Line Available in all models
Horizontal Block Blank Available in all models
Vertical Block Blank Available in all models
Dimensions 22” 48 x 48 x 65 cm (screen in highest position)
Preferred switch screen settings 1920 x 1080
Weight 16 kg
Power supply 12 VDC / 4A
Conditions of use Temperature +5˚C til + 50˚C
Humidity <70%, no condensation
Conditions of storage and transport Temperature +0˚C til + 50˚C
Humidity <90%, no condensation
If you have any questions after reading this manual, please contact your supplier.