Nidek Medical HandyRef-K, Руководство оператора

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89
PARAMETER SETTINGS AND MAINTENANCE: Parameter Settings
4.1.2 Parameter settings
●
AR (AR measurement)
• Underlined options indicate factory settings.
AR parameter screen
Parameter option Setting contents
1. AR STEP
(Refractive power measure-
ment increments) 0.12D / 0.25D
Selects the display increments of SPH or CYL for refractive power measurement.
2. VERTEX D.
(Vertex distance)
0.00mm / 10.50mm / 12.00mm / 13.75mm / 15.00mm / 16.50mm
Selects the distance between the corneal vertex to the spectacle lens when
the patient wears glasses.
* 13.75 mm is the factory setting of devices destined for NIDEK INCORPO-
RATED.
3. AXIS STEP
(Axis angle increments)
1° / 5°
Selects the display increments of AXIS.
4. FOG MODE
(Fog mode)
1 / 2 / 3
See (*1).
5. AM MODE
(AM mode)
YES / NO
Sets whether “ 5. AM MODE” is used or not.
YES: Measurements are performed for the number of measurements speci-
fied by the
“ 6. AR CONTINUE” (page 89) parameter.
• Measurement finishes when stable measurement values are obtained.
• If measurement values are not stable, two additional measurements are
performed then the measurement finishes.
NO: When the number of measurements specified by the “ 6. AR CON-
TINUE” (page 89) parameter is complete, measurement finishes.
6. AR CONTINUE
(AR successive measurement)
3 to 10
Sets the number of measurements to complete the AR measurement cycle.