Essilor Instruments AKR 800, User Manual, Page: 14 / 81

d. Measurement mode - WTW
1. Circle size adjustment switch
: Enlarges the size of the circle that serves as a reference for measuring the diameter of the cornea.
: Reduces the size of the circle that serves as the standard for measuring the diameter of the cornea.
2.
Measurement switch
: Switch to measurement mode of right eye corneal diameter.
: Switch to measurement mode of left eye corneal diameter.
: Switch to measurement mode of the currently selected eye corneal diameter.
3. Circle position adjustment switch - Up
: Move up the position of the reference circle to measure the diameter of the cornea.
4. Circle position adjustment switch - Down
: Move down the position of the reference circle to measure the diameter of the cornea.
5.
Circle position adjustment switch - Left
: Move the position of the reference circle to the left to measure the diameter of the cornea.
6. Circle position adjustment switch - Right
: Move the position of the reference circle to the right to measure the diameter of the cornea.
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AKR800 - Auto Kerato Refractometer > V4 - 05-2022 - CE0459 14