Essilor Mr Blue 2.0, User Manual, Page: 42 / 152

USER MANUAL > CENTERING A LENS
42 Mr Blue 2.0 > v4.0 -09.16
1.
2.
Hartmann plate calibration
The automatic calibration of the Hartmann plate is done periodically to ensure optimal precision.
During the first half-hour following the booting of the machine: every 30 seconds.
After the first half-hour: every minute.
After three hours of operation: every 5 minutes.
If a lens is present in the centering chamber during the calibration, a warning is displayed:
Remove the lens and press .
> The calibration starts automatically.
> Once the calibration is finished, a warning message is displayed:
Put the lens back in place and press .
> The centering resumes.
To avoid all interference with the Hartmann plate calibration, place the lens in the centering chamber just before you start the
centering.
2. Centering a single vision lens
Prerequisite: Before centering the lens, you must first trace a shape in the centering screen.
If necessary, we recommend the following prior operations:
Modifying or retouching the traced shape (p.83)
Preparing drilling points (p.91) to be created
Place the stickers recommended by the manufacturer on hydrophobic lenses.
This section describes the procedures for the centering of a single vision lens:
Centering in automatic mode (p.43)
Centering using three focimeter dots (p.45)
Centering using re-marked micro-engravings (p.48)