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Installation, Features, & Functions
Remote Control Layout
The remote control will operate all the test charts on your ClearChart 4P. The image and chart
below indicate the functions of each button. The numbered buttons in the image below represent
the Decimal/LogMAR optotype progression. The Snellen and Linear/Decimal remote controls have
different numbered buttons at the top of the remote. All other button functions are the same for each
remote control.
EDU – Educational Images or other imported images
MOVIE – Children's Video or other imported videos
NUMBERS – Size of Optotypes in Decimal/LogMAR,
Standard/Snellen, or Decimal/Linear
RED/GREEN – Red/Green Filters for Optotypes
RANDOM – Randomize Optotypes
▲ UP ARROW – Function depends on test chart
► RIGHT ARROW – Function depends on test chart
◄ LEFT ARROW – Function depends on test chart
▼ DOWN ARROW – Function depends on test chart
MENU – Menu options and settings
CHILD – Optotypes for Children
OPTO – Change Optotype Selection
CONT – Contrast Sensitivity Testing (Sine Wave Grating)
ILLUM – Change Background Illumination
COLOR – Color Tests
PLATE – License Plate Tests (U.K. License Plate Style)
MAX – Increase Contrast
MIN – Decrease Contrast
ETDRS – ETDRS Test Charts
ASTIG – Astigmatism Test Charts
MKH – Stereo Tests
FIX – Fixation Test
SCHO – Schober Test
GRID – Cross Grid
DK/MDX – Dark Screen, Maddox Light
WORTH – Worth 4 Dot Test
CBAR – Crowding Bars
SUPP – Suppression Tests
(P)MUSC – Polarized Muscle Balance Tests
(P)BAL – Polarized Binocular Balance Tests
(P)olar – Other Polarized Charts
B/W – Change Contrast: White on Black, Black on White
Display multiple lines of optotypes, same size
Display multiple lines of optotypes, descending size
Display a vertical line of optotypes
Display a single optotype
13785-101 Rev. F
(continued)
19
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