22
USING THE INSTRUMENT
ASPHERICAL RANGE PROGRESSIVE RECOGNITION MODE
1 If a progressive lens is position so that the lens is outside of
the progressive zone, the icon button will change to
a blinking icon. By pressing the button, the screen
will automatically switch to the distance vision measurement
screen. Then proceed with the measurement as outlined
above.
This appears when measuring the aspherical range of the
progressive lens.
MEASURING BI-FOCAL AND TRI-FOCAL LENSES
1 Align the distance vision in the center of the target image
and press the MEMORY button .
2 Move the lens into the near vision region (bi-focal seg-
ment).
3 Press the MEMORY button and the bi-focal icon may
appear on the bottom left side of the screen.
4 Measure the bi-focal power and press the MEMORY button again.
To measure the 2
nd
near vision of tri-focal lenses, storing the 1
st
mid vision power auto-
matically changes the "MODE" button to the "ADD2" button. Pressing the "ADD2" button
starts the near vision measurement. Pressing the Memory button will store the 2
nd
near
vision.
Aspherical range
CLEAR
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