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• LEFT EYE: only left eye is measured (the blue rectangle covers only the right side of
the live area on the display).
• RIGHT EYE: only right eye is measured (the blue rectangle covers only the left side
of the live area on display).
• BOTH EYES: both eyes are measured (the blue rectangle covers the whole live area
on the display).
The choice is shown on the display by the presence of the signs OS or OD or both on the
appropriate side of the display.
Please notice that the there is an inversion of left and right due to the fact that the patient
and the machine are one in front to the other. Therefore, the sign OS will appear on the right
half of the screen, and vice versa.
Performing a monocular examination, the contralateral eye can be covered or kept open at
(choice of the Operator).
Power-ON screen with OS
10.4 Interactivity/attraction of the patient
Interactivity represents the set of features built to attract the attention of the patient and they
are changed by means of BUTTON D. Interactivity can be of three types:
• SOUND: at the beginning of each measurement the system starts a Jingle to catch
the patient's attention. The Jingle and the volume can be chosen by the operator
through the menu.
• COLOR LED: at the beginning of each measurement the system starts a flash
sequence of red green and blue led in order to catch patient's attention. The LED
sequence, the color and the intensity can be set through the menu.
• SOUND + COLOR LED: both the previous.
The type of operative interactivity is indicated on the bottom bar by means of these symbols
on the top bar:
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