Huvitz CDR-9000 - Cross Grid Test for Distance

156 Digital Refractor CDR-9000
13.14. Cross Grid Test for Distance
- Objective: To obtain the maximum corrected monocular SPH using Far Cross
Grid chart. (Accommodation)
- Chart: Cross Grid for Distance chart (with CCP-3100, CDC-4000 only)
- Auxiliary Lens: Fixed Cross Cylinder Lens
- Expectation: The Horizontal and Vertical rods can be seen uniformly distribute
d and equally clear.
- Operation Sequence:
1. Press Cross Grid for Distance chart to enter this mode. Alternately, press t