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8. SETTING
8.2.4 Chart settings
Set the data about the visual acuity charts.
Chart selection.
Set the visual acuity chart to be used.
• For far vision
• Device
Select the chart device will be used for far-point test.
• Type
Select the type of the chart to be used for far-point test.
• Interface
Select the connection method of the chart to be used for far-point test.
When you select "IR control" as the connecting method and click the [ ]
button at the right, the test signal is sent to the visual acuity chart. This func-
tion is convenient when checking whether communication can be executed
correctly by the selected channel.
When you select "PC-50S", "PC-50SB" or "MC-4S" from the far-point chart
devices, "Interface" is changed to "Chart monitor selection". Click the [ ]
button at the right. You can check the monitor that corresponds to the name
in the "Chart monitor selection" list being displayed.
IR control: CH1 Select one of these items when connecting with the
infrared communication unit. "CH1 - CH4" means the
infrared communication channel. Select one of them
according to the set channel of the connected chart.
IR control: CH2
IR control: CH3
IR control: CH4
RS-232C Select this when connecting with the RS-232C cable.
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