Landolt, Letter, Child, Snellen, 50 kinds of charts, and Horizontal lines, Vertical lines, one chart, various masks can be selected by the remote control box.
It moves to the following chart in a maximum of 0.3 seconds.
2 kinds of programs can be selected. 48 kinds (maximum) of charts and masks are memorizable.
By using an optional deviator, the operation of a room light is available by the remote control.
The brightness of the projector can be changeable by the control switch according to the brightness of the operation room.