Advertisement
(11) Complete various settings.
— See "7.
Initial Settings (SETUP)" (page 36).
(12) Measure the modelege which was provided
with the unit.
Make sure that the model eye
and measuring window are clean.
If they are
tarnished, carefully, clean them referring to
sections "(4) Cleaning the measuring window"
and
"(5)
Model
eye"
(page
44)
in
"8.
Maintenance".
® Place the model eye on the model eye
mount on the station (see Figure 4-3).
®
Refer "6.
Measurement Method" (page 22)
for measuring the model eye .
(D The measured values must be within the
following range;
SPH +4D - +5.5D (CYL is 0)
(CYL. Power should be set to 0 diopters.
Otherwise, the measurment will vary from -
0.25 ~ +0.25 dioptors. This is a normal
variance.)
If the measured value is out of the range,
make sure that the measurement was
correct performed correctly and do the
measurement again (see "6.
Measurement
Method" (page 22).
When measuring the model eye, keep it in a
stable position (for example, place your
elbow on the table) to accurately use the
measuring unit.
(13) Clean the forehead rest by using ethyl alcohol or other cleaning liquid.
Figure 4-4
Figure 4-3
14
Advertisement
