Essilor Pro-B 300, User Manual

Page: 106 / 140

Enter the minimum value for the B-dimension of the shape based on the posiblock used.
In the centering screen, if the B-dimension value is less than the value entered on this screen: a warning
appears.
Once the modification is made, press to return to the work screen.
b. Decentration mode
This menu enables you to select a default input mode for decentration data.
To access this menu from your work screen, select > > .
The following screen is displayed:
1. Boxing mode (½ PD + Boxing Height)
The wearer's pupillary height is calculated in relation to the lowest point on the frame.
2. Datum mode (½ PD + Datum Height)
The wearer's pupillary height is calculated in relation to the point of intersection with the frame.
3. ΔY mode (½ PD + ΔY)
ΔY: This value corresponds to the difference in height between the boxing center of the shape and the
center of the wearer's pupil.
4. ΔX + ΔY mode
ΔX: This value corresponds to the horizontal distance between the boxing center of the shape and the
center of the wearer's pupil.
ΔY: This value corresponds to the difference in height between the boxing center of the shape and the
center of the wearer's pupil.
Once the modification is made, press to return to the work screen.
Pro-B 300 > v1.0 - 03.19
106
U
SER
M
ANUAL
> VII. T
O SET UP THE DEVICE