Topcon Europe Medical BV Instruction Manual CC-100XP/ CV-5000PC 10/42
6.2 Selecting a Visual Acuity (VA) Chart
6.2.1 6 buttons are available to select the desired visual acuity for
each selected standard optotypes (see chapter 1.1)
Select VA 0,5
Select 0,1 / 0,16
Select 0,2 – 0,4
Select 0,5 – 0,7
Select 0,8 – 1,0
Select 1,2 – 2,0
Figure 4, Standard optotype selection
6.3 How to step through the different VA charts?
6.3.1 To step through the different VA charts the following buttons
can be used:
To step from a chart
with higher VA values
to a chart with lower VA
values
To step from a chart
with lower VA values
to a chart with higher
VA values
Figure 5, Chart changing