79
DEVICE SETTINGS AND MAINTENANCE: Device Parameter Settings
4.5.2
Parameter tables
●
AR (AR measurement)
• Underlined options indicate factory settings.
Parameter option
Setting contents
1. STEP
(AR measurement incre-
ments)
0.01D / 0.12D / 0.25D
Selects the display increments of SPH or CYL for AR 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.
3. AXIS STEP
(Axis increments)
1
°
/ 5
°
Selects the display increments of AXIS for AR measurement.
4. MEAS MODE
(Measurement mode)
CON. / NOR.
Selects the manner of fogging for AR successive measurement.
CON.
: The scenery chart is fogged only once at the start of measurement.
NOR.
: The scenery chart is fogged every measurement.
5. AI MODE
(AI mode)
YES / NO
Sets whether AI mode is used for AR measurement.
YES
: When the number of measurements specified by the “6. AR CONTINUE”
parameter is performed and the median values have been obtained, measure-
ment finishes (FINISH). When the median values have not been obtained, addi-
tional measurement is performed.
NO
: When the number of measurements specified by the “6. AR CONTINUE”
parameter is complete, measurement finishes (FINISH).
6. AR CONTINUE
(AR successive mea-
surement)
3 to 10
(The default setting is 3.)
Sets the number of measurements to complete the measurement cycle (FINISH).
7. AR THUMBNAIL
(AR thumbnail display)
YES / NO / LOW CONF
Sets the thumbnail display of the measurement ring image.
YES
: A thumbnail of the measurement ring image is displayed to the upper left of
the screen when measurement is complete. Pressing the ring image / retroillumi-
nation
button displays the ring image in full screen.
NO
: A thumbnail of the measurement ring image is not displayed. Pressing the
ring image / retroillumination
button displays a thumbnail of the measure-
ment ring image. Pressing the button again displays the ring image in full screen.
LOW CONF
: When the confidence index is 7 or lower after AR measurement, a
thumbnail of the measurement ring image is displayed.
8. CYL CORRECT
(CYL correction)
YES / NO
Sets whether the chart is presented with astigmatism correction.
Summary of Contents for ARK-1S
Page 1: ...AUTO REF KERATOMETER AUTO REF KERATOMETER ARK 1s ARK 1s OPERATOR S MANUAL OPERATOR S MANUAL ...
Page 6: ...IV ...
Page 76: ...70 OPERATING PROCEDURE Operation when Peripheral Devices are Connected ...
Page 112: ...106 SPECIFICATIONS AND TECHNICAL INFORMATION EMC Electromagnetic Compatibility ...