User's Manual

24 CDC-1 -----------------------------------------------------------------------------------------------------------------------------------
3) BATTERY
It is in the back of the remote controller. Open the battery cover to replace battery (AA 1.5V, 2ea). After change
batteries the IR channel of remote controller reset to default cahnnel 1.
4) CHART BUTTON
Display charts for visual acuity test.
BUTTON
FUNCTION
Randolph Ring (0.03~2.0)
Alphabet (0.03~2.0)
Numbers (0.03~2.0)
Snellen E (0.03~2.0)
Figures for Children (0.1~1.0)
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪