Operation Manual
16
4.5. Visus units
Option Visus units allows selecting optotype description unit which is displayed
right to the optotype chart.
1. Enter ‘Visus units’, using Arrow Up or Arrow Down button.
2. Press right Arrow, to display list of available units.
3. Press Arrow Up or Arrow Down button to select your favourite chart
description unit.
4. Press Left Arrow to apply changes.
Pic. 3. Visus units
Information about currently selected visus scale is continuously
displayed on the left top part of the screen. Set ‘Visus unit’ to
‘None’ to hide this information.
HINT !
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