Operation Manual
28
5. TESTS
This chapter includes all detailed information regarding charts and tests available
in TCP-2000 Chart Panel.
5.1. Standard optotypes
When working with optotype charts you can at any time change
contrast of the optotype. Use ‘YES/+’ or ’NO/-‘ buttons to set
contrast level. Information about contrast used is permanently
displayed on the right side of the screen. If there is no
information about contrast displayed, it means it is set to 100%.
Navigating through optotype charts:
1. Press one of five top buttons on the remote control to display the biggest
optotype chart possible of the selected type:
A. letters
B. pictures
C. numbers
D. Snellen E
E. Landolt rings
5.1.1. Optotype sizes
1. After required chart has been selected, 20/400 ft ( 0,050 decimal ) size of
that optotype is displayed ( unless option Keep Parameters is ON).
2. To display charts with optotypes of different sizes use Up and Down
Arrows (Down Arrow – smaller optotypes, Up arrow – bigger optotypes).
HINT !
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