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SPECIFICATIONS & PERFORMANCE
SPECIFICATIONS & PERFORMANCE
SPECIFICATIONS BY ITEMS
Test distance : 5.0m
Test chart : Visual acuity test chart for visual acuity 0.03 - 2.0 and visual function test chart
Chart display : Charts of one horizontal line, one vertical line, one character, R&G, reversed
B&W are displayed. Contrast is changed. Polarization display is done.
Filter : Polarized filter
Luminance : 200 ±20cd/m
2
Contrast : 85% or more
Installing distance : 60cm, 80cm, 95cm, 1m or 1.5m (from the vertex of the patient to the chart win-
dow of the instrument)
OTHER SPECIFICATIONS
Display resolution : VGA (640×480 pixels)
External input/output port : DVI connector
* Specifications and appearance are subject to change without advance notice for product improve-
ment.
* Sometimes there is a missing dot or lighting dot on the screen of the chart window. Its cause is not a
problem with the instrument but the characteristics of the liquid crystal display. So, it has nothing to
do with repair or replacement.
NOTES
Essential performance
• The screen display is not to be disturbed.
• The instrument must not reboot.
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