Tomey TCP-2000, User Manual

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Operation Manual
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Press ‘ CNT +/- ’ button do change contrast level. The first
contrast level is 5%.
Each time ‘ CNT +/- ’ button is pressed, contrast level is increased with 10% step
(apart from 5% to 10% step).
3)
Press Right Arrow to display Landolt ring charts.
a) Press Down Arrow to display smaller size optotypes. Available
sizes are from 0,125 to 2,0.
4)
Press Left Arrow to return to previous test.
Pic.11. Contrast test.
5.10. Contrast adjustment
Each optotype chart can be displayed in required contrast. Contrast level can be
adjusted from 5% to 100% with 10% steps (apart from 5% to 10% step).
Information about contrast level is displayed continuously on the screen. If there is
no percentage information, it means contrast level is set to 100%.
Contrast can be adjusted only for optotype Chart.
HINT !
HINT !