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(2) Helpful hints for successful measurement
light and left eyes
are
not correcBy identified
• You must observe the following items to operate the automatic eye identification function properly
■ Do not touch the eye identification sensor not to move it when you insert your hand in between :
testee ' s forehead and the sensor.
■ Set the sensor in front of a testee' s face as follows to take measurement. If you take
measurement from the upper, right, or left angle, an incorrect decision may occur.
When you set the sensor properly, you can obtain stable measurement resuls because eye
parts such as eyelashes.
• If you cannot operate the automatic eye identification function properly (e.g. if the eye indication
remains R when the measurement window is turned to the left eye ) even by observing the above
items, switch the eye identification mode to Manual Identification. In particular, the automatic eye
identification function may not work property in the following cases:
• When a testee wears a mask on his mouse.
■ When a testee ( especially a woman ) has much hair over the cheek.
• When a testee is achild whose face is very small.
• When you measure the patients eyes from the vertex or temple, you must switch to the right
and left eves identification mode to manual.
•To switch the right and left eyes identification mode from automatic to manual;
Press the R/L key on the measuring units switch panel.
—'The right eye measurement mode is entered and the right eye lamp (R) will illuminate.
-'Pressing the R/L key a second time switches the instrument to the left eye measurement mode
and the left eye lamp (L) will illuminate.
Subsequently, whenever you press the R/L key, the
measurement mode will alternates between right and left.
To return to the automatic right and left eyes identification mode, press the PRINT key.
Note: After transmitting the measurement data into ttie printing station, and restarting the
measurement cycle (by the READY key), the previous patient data will be erased.
To switch to the manual right and left eyes identification mode after pressing the PRINT key
(measurement data will be printed out), press the R/L key again.
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