Huvitz HRK-9000A, Руководство по обслуживанию

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36 Auto Ref/Keratometer HRK-9000A ------------------------------------------------------------------------------------------------
C. Verify the data of KER model eye.
1) DIOPT
- Diopter of the Model eye
2) R
- Major axis length of mire-ring
3) C
- Minor / Major ratio
4) A
- Angle of major Mire-ring axis
5) K
- Change in the focus distance and Focus step
6) mm
- Curvature of Model eye
7) HR
- Horizontal diameter of Mire-ring
8) FL
- Distance of the Focus Dots
9) FD
- Difference between HR and FL
4-1-7. Tracking motor test (Tracking Test)