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a. Change to the PPL measurement interface
b. Specify lens side if necessary
c. Set lens
Place a portion that is slightly lower than the center of the lens on the lens support.
d. Measure distance power
1) When measuring distance portion, the target indicating the distance portion is displayed, and
the message bar displays "Now measuring distance…. "
2) Perform the alignment
Move the lens in the horizontal direction to align the target with vertical line of the cross, and
then move the lens in vertical direction to align the target with horizontal line of the cross until
the target becomes blue, the procedure is as follows:
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Arrow indicates the direction should be moved toward, move the lens slowly during alignment
in the direction of arrow.
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The lens should be always contacted with support, when move the lens, keep the frame adjoin
to push board.
3) Move the lens in vertical and horizontal direction slightly until the measured data stabilizes,
and then the message "Near Measurement Complete" appears.
e. Measure near ADD power
1) When the distance power measurement is complete, the target indicating the near portion
appears, the message bar displays "Now measuring near… ". At the same time the ADD power
begins to change.