[UV] transmittance measurement
（
Ultra Violet
）
Measure the cut percentage of UV which harmful to the eyes.
The measurement result are displayed [UV] and by the size and color of the arrow (*)
nothing
R
＝
0%
1% ≦ R ≦ 9% 10% ≦ R R = 100%
It is possible to determine whether the measured lens has blue cut function.
When measuring a lens with a low [BV] cut percentage or a lens that does not include the [BV] cut
function, the [UV / BLUE] screen displays only the UV transmittance measurement results.
Condition: When [BV] cut percentage is 15% or less, [BV] cut percentage and [CB] transmittance
percentage are not displayed.
7. [Lab / ECP] Mode
In [Lens Mode] on the [Setup] screen, It is possible to select [Lab] mode or[ECP] mode.
Touching the lens selection switch at the bottom of the measurement screen changes the icon as shown below
and the screen changes.
[Lab] mode: (single lens) (Eyeglass lens right and left).
Touch
to return from eyeglass lens measurement mode to single lens measurement mode.
[ECP] mode: (Eyeglass lens right and left).
However, when [PD Measure] on the Setup screen is [On], the left and right sides of the single lens depend on
the position of the PD plate.
8. Prism measurement
When [Prism] on the [Setup] screen is set to [X-Y] or [P-B], the prism value can be measured on the following
screen.
[Prism]
Furthermore, [Prism Center] on the Setup screen set to [On], It is possible to enter any prism center value on
the following screen.
USER MANUAL > MEASUREMENT
49 ALM800 - Auto lensmeter > V1 - 05-2020
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