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Appendix A
Test Scale Hold this test scale at the Screen, and according to the refracting distance
from the patient’s eye to the screen such as 3m, 4m, 5m or 6m position the projector
backward and forward to fit the projector Alphabet 400 chart “C” with this Scale
frame in sharp focus
3 m
Summary of Contents for PACP-6100
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Page 2: ... PACP 6100 Operator s Manual 1 Operator s Manual Chart Projector ...
Page 21: ...20 PACP 6100 Operator s Manual 8 Types of Chart Type C is Standard Fig 7 Types of Chart ...
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