Tomey TCP-2000P, Operation Manual

Page: 88 / 113

Operation Manual
88
6. MASKS
The TCP-2000P Chart Panel allows you to select underlining, vertical, horizontal,
single optotype, and red-green mask over selected chart of optotypes. Masks are
available only for optotype charts with more than one optotype for all Snellen type
charts (Snellen, Snellen Modified, Snellen Contrast), Standard Snellen, ETDRS,
and Bailey-Lovie Chart.
Masks can be used with optotype charts only.
If single, horizontal mask or underlining is on, it is possible to
preview visus scale and value by pressing 'OK' button.
Information is visible for a few seconds.
Information that TCP-2000P is in the mask mode is continuously displayed in the
left bottom corner of screen. Depending which mask type you are using different
shapes are displayed:

square – single mask or underlining

horizontal rectangle – horizontal mask or underlining

vertical rectangle – vertical mask
HINT !
HINT !