Essilor Instruments VISION-R 700, User Manual

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On the console keyboard:
by turning the central button clockwise or counterclockwise, or
by pressing on the keys [+/-].
Example:
If you wish to modify the sphere (S), it is possible to modify the values of the right eye or the left eye
independently, or both at the same time by selecting “S” directly.
d. Modify the incrementation steps
Three step variation choices are configurable:
1. Sphere and cylinder variation step
2. Axis variation step
3. Prism variation step
The value is displayed in the upper blue strip and depends on the active setting.
The unit and the step value depend on this setting. The modification of the incrementation step can be carried
out:
On the touch screen, by selecting the desired step value.
U
SER MANUAL
> B
ASIC FUNCTIONS FOR PERFORMING A REFRACTION EXAMINATION
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