Canon TX-F, Руководство по эксплуатации

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5.2 FULL AUTO/AUTO Measurement
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[Cause 3] The pupil is obscured by eyelashes or eyelid.
[Remedy 3]
Instruct the examinee to keep his/her eye open wide until measure-
ment ends, or help them open the eye widely by lifting up the upper
eyelid lightly with your fingers. Then, press the
START switch
again.
[Cause 4] Pupil is eccentric or deformed. Examinee has undergone an iris
operation.
[Remedy 4] Display the bright dots near the center using trackball and roller.
Then, press the
START switch again.
[Cause 5]
There is problem in surface of examinee’s cornea.
[Remedy 5] Perform measurement in MANUAL mode (see section 5.3). How-
ever, error may occur even in MANUAL mode if the disease is seri-
ous.
[Cause 6]
Effect of artificial light or sunlight reflected from the examinee’s
eye.
[Remedy 6] Do not expose the examinee’s eye directly to bright artificial light
or sunlight.
If the alignment still cannot be performed, align and measure the eye manually by
referring to section 5.3.
After the alignment, measurement is performed automatically
When the alignment is done, air is puffed and the intraocular pressure will be mea-
sured.
FULL AUTO mode
Alignment and measurement will be performed. They will be repeated three times
when number of times of measurement you have selected is “
3 ”.
AUTO mode
Measurement will be performed once. Press START switch again to perform align-
ment and measurement repeatedly. Maximum of 10 data can be saved in memory.
NOTE: It is recommended that the measurements be repeated at least three times
in order to obtain most reliable measurement.
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