Essilor Instruments ALM 500, Руководство пользователя, Страница: 33 / 46

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7. 7. 7. 7. Marking Marking Marking Marking
Refer to “5.3 Marking Lever” about the operation of the marking lever.
7.1 7.1 7.1 7.1 Lens Lens Lens Lens w w w without Astigmatism ithout Astigmatism ithout Astigmatism ithout Astigmatism
(1) Overlap the cross cursor with the alignment mark
on the screen by moving the lens.
You are ready for marking when the message
“Marking OK” is displayed.
(2) Lower the marking lever to mark on the lens.
7.2 7.2 7.2 7.2 Lens with Ast Lens with Ast Lens with Ast Lens with Astigmatism igmatism igmatism igmatism
Marking according to the axis in the prescription
(1) Move the lens so as that the axis mark aligned with
the angle in the prescription approximately.
(2) To be more precise, align it according to the axis
value indicated.
Marking on the cylindrical axis
(1) Move the lens so as that the axis mark aligned with
0° approximately.
(2) To be more precise, align it so as that the axis value
indicated becomes 0°.
Marking OK
+ 2 + 2 + 2 + 2 5555
+ 2 5
+ 2 5 + 2 5
+ 2 5
---- 1111
9999
Marking OK