b. Legend screen for customized bevels
1. Automatic bevel
2. Customized bevels
◦ Front surface tracking: the crest of the bevel is positioned at a constant distance from the
front surface.
◦ Rear surface tracking: the crest of the bevel is positioned at a constant distance from the
rear surface.
◦ Distributed bevel: the position of the crest of the bevel is proportional to the thickness of
the lens, with respect to the front surface.
◦ Lens curve tracking: the camber of the bevel is adjustable.
◦ Frame rim tracking: the bevel tracks the groove precisely, according to the data obtained on
frame tracing.
3. Lens thickness
◦ Maximum lens thickness - represented by the white square along the shape.
◦ Minimum lens thickness - represented by the red square along the shape.
4. Cursor movement
The cursor is represented by the green square along the shape. To move it, select it directly or use the
and buttons.
5. Zoom window
Represents the bevel profile and indicates the distance between the bevel crest and the front and rear
surfaces of the lens at the cursor position.
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