Tomey UD-600, Operator'S Manual

Page: 130 / 262

3-102
c) Selection of retinal waveform
„ „ „ „ „
This function will be applied only on selected eye to be
measured (OD or OS). The setting for both eyes cannot
be changed automatically. The setting for each eye
should be properly selected, according to the conditions.
In case the instrument cannot recognize the ordinary waveform
due to a waveform existing between the lens rear waveform and
the retinal waveform, set the retinal waveform selecting cursor at
the left side of the retinal waveform. The instrument thus cognizes
a waveform located on the right side of the retinal waveform
selecting cursor as a retinal waveform for measurement.
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1) In case the method using the sectional sound velocity is
used for the axial length calculation method has been set,
confirm that the Cursor key
A has been set at "Retina Cur-
sor". If "Lens Cursor" has been set, press the Cursor key to
change the mode for cursor.
2) Press the selecting cursor moving key B to set the retinal
waveform selecting cursor
C
at the left side of the retinal
waveform. (Fig. 2)
(Fig. 1)
C
A
B
3.6 Biometry
(Fig. 2)