Essilor ALM 700, Руководство по обслуживанию

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8) “Measurement error”
In case that the light receiving unit of the device is exposed to the direct sunlight or strong light, or the lens under
the lens stand is dirty or scratched. Also it may be displayed if the lens to be measured is dirty or scratched.
9) “Center error”
In case of tilting the lens, this error message might be displayed at the time of measurement because a
measurement image cannot be detected.
Check the lens to be measured and take a measurement again.
« Measurement Error » is displayed
The light receiving unit
is exposed to the direct sunlight or
strong light
The lens to be measured is dirty
or scratched.
Replace the lens before taking a
measurement.
Wipe it with a soft cloth with taking care
not to scratch it.
【
Refer to 9.2.
】
The lens under the lens stand
is dirty.
Evaluate measurement image.
【
Refer to ‘7. Evaluation of Measurement Image’.
】
Yes
Yes
Yes
No
No
No
Take a measurement away from direct
sunlight and strong light.