Ametek Reichert ClearChart 4P User Manual page 34

Polarized digital acuity system
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Installation, Features, & Functions
Remote Control Functions
The DK/MDX button displays a dark screen. A second press of the button will illuminate
DK/MDX
the Maddox LED. Press the DK/MDX button again to exit the test.
The Worth 4 Dot test is used to test for suppression in the right or left eye. Press the
WORTH
WORTH button to display the chart. Press it again to exit.
The CBAR button places crowding bars around a letter optotype. A second button press
moves the crowding bars closer to the optotype. Press the UP/DOWN arrows to increase
CBAR
or decrease the size of the optotype. Press RANDOM to change the optotype. Exit the
test by pressing the CBAR button again.
The SUPP button presents an alternative suppression test with white letters on a black
background. The first button press will display a line of 5 letter optotypes with the first
SUPP
and last optotypes in red and green, reading from left to right. A second button press will
change the position of the red and green opotytpes. Press SUPP again to exit the test.
The P(MUSC) button displays three different polarized muscle balance tests. Pressing
the RIGHT arrow button displays each chart. Press the P(MUSC) button to exit the series
P(MUSC)
of charts.
The (P)BAL button accesses four different polarized binocular balance tests. Press the
RIGHT arrow to display each chart. Press the (P)BAL button again will exit the chart se-
(P)BAL
quence.
34
(continued)
(continued)
13785-101 Rev. F

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