EZER EDR 7800, Operation Manual

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4. 4. 4. 4.
Designations and Functions of Each Parts
Basic components of EDR 7800 are 4 parts, Ref.Body, Junction box, Operation Pane, and Converter
box. Explanation about each components and functions are as followings here.
.
4.1
4.1 4.1
4.1
Body of
EDR 7800 (Ref.Body)
EDR 7800 body is the most important part of the Digital Refractor, and is installed in the unit table.
[Figure 4-1] Digital Refractor Ref. Body (For Tester)
[Figure 4-2] Digital Refractor Ref.Body (For Patient)
①
① ①
①
Leveler
② ② ② ②
Forehead Fixing Dial
VD Control Dial
③ ③ ③ ③
VD Test Window
④ ④ ④ ④
Near-distance Vision Chart
⑤
⑤ ⑤
⑤
Near-Distance Vision
Chart Bar
③
③ ③
③
VD Test Window
⑧ ⑧ ⑧ ⑧
Forehead Prop
⑥ ⑥ ⑥ ⑥
Face Protector
⑨ ⑨ ⑨ ⑨
Test Window
⑦ ⑦ ⑦ ⑦
Horizontal Controller