Operation Manual
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5.3. Black-white tests
To display one of black-white charts simply press button corresponding to its
picture on IR remote. This will directly display selected chart.
Test name
Key
description
Cross grid
Cross cylinder
Fixation point
Astigmatism
Cross grid test has three presentations. To change from one presentation to another
press again button or Right/Left Arrow.
Cross cylinder test has two presentations – with white or black background. To
change from one presentation to another press again button or Right/Left
Arrow.
Astigmatism test has three presentations – one with hour description and two with
angle description. To change from one presentation to another press again
button
or Right/Left Arrow
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