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CHART FUNCTIONS UNIQUE TO THE MC-4S
3 Touch the button of the desired contrast from the contrast setting menu. The chart indicated on
the MC-4S is displayed with the selected contrast as shown below.
Input of contrast visual acuity in the single rate character contrast mode
1 Input the visual acuity value. For inputting the visual acuity, refer to the COMPU-VISION CV-
5000 USER MANUAL.
2 The visual acuity value with the contrast value, which is being displayed, is recorded.
NOTES
• When operating the CV system through a mouse/personal computer, you can
change the contrast with the same procedure.
• When changing the chart to another that is applicable to this mode, the "Sin-
gle rate character contrast" mode is kept.
• While the "Single rate character contrast" mode is being executed, you cannot
set the vertical, horizontal, character and RG masks.
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