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Installation, Features, & Functions
Remote Control Power
1. Remove the back of the remote control by sliding it in the direction of the arrow.
2. Put in two AAA batteries in the position shown on the remote control.
Remote Control Layout
The remote control will operate all the test charts on your ClearChart 4. The image and chart below
indicate the functions of each button. The numbered buttons in the image below represent the optotype
progression.
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
SAVE – Save menu item changes
OPTO – Change Optotype Selection
CONT – Contrast Sensitivity Testing (Sine Wave Grating)
LIGHT – Change Background Illumination
SIZE – Optotype size displayed on screen
ALT OPT – Change to Alternative Optotype Selection
MAX – Increase Contrast
MIN – Decrease Contrast
XCYL – Cross Cylinder Test Chart
ASTIG – Astigmatism Test Charts
T – Astigmatic T Test Chart
FIX – Fixation Test
HDISP – Horizontal Disparity Test Chart
VDISP – Vertical Disparity Test Chart
DARK – Dark Screen
WORTH – Worth 4 Dot Test
CBAR – Crowding Bars
SUPP – Suppression Tests
ANIM – Animate Current Optotype
Display multiple lines of optotypes, same size
Display multiple lines of optotypes, descending size
Display a vertical line of optotypes
Display a single optotype
13795-101 Rev. J
(continued)
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