Yeasn YPA-2100, Руководство пользователя, Страница: 26 / 91

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“No” means, carry out crisscross cylinder test.
When the cylindrical power value C ≠ 0, carry out crisscross cylinder test in the organized
sequence.
Set this item “Off”, carry out crisscross cylinder test in the organized sequence.
S.E.Fix(XC): on, off; factory default: on
Select if adjust spherical power value, so as to keep refraction spherical equivalency during
crisscross cylindrical test.
S.E.Fix(CYL): on, off; factory default: on
Select if adjust spherical power value, so as to keep refraction spherical equivalency during
crisscross cylindrical test.
Retinoscopy: +1.50D and +2.00D; factory default: +2.00D
Set spherical lens for retinoscopy.
N.V.illumination: on, Except Grid, off; factory default: on
If the short-distance indicator is automatically lit on when setting short-distance vision test.
Set it “On”: the short-distance indicator is automatically on during ADD testing mode and
short-distance vision test
Except grid: the short-distance indicator is automatically on during ADD testing mode and
short-distance vision test
But only when the cross-matrix sighting mark is used for near vision test, the short-distance
indicator is off.
Set it “Off”: the short-distance indicator is not automatically on.
F → N Link: SPH, SPH+ADD; factory default: SPH+ADD
Set the spherical value shifting from long-distance mode to short-distance mode.
SPH: the spherical value in long-distance mode is used in short-distance mode.
SPH+ADD: the additional power is added to the spherical value in the long-distance mode.
ADD Estimation: on, off; factory default: on
Set if pre-add additional power according to the age of the patient during short-distance vision test.
Working Distance : 35cm and 40cm; factory default: 40cm
Set working distance.