32
Auto Ref/Keratometer GRK-7000 -------------------------------------------------------------
n by slowly pushing and rotating the operation lever forward. At this tim
e, let the glittering bright dot come into the core of internal array ring.
- Ask the examinee to look at the internal fixed target.
- Adjust the focus so that the outline of bright dot can be apparent. If the
focus is adjusted appropriately, the circle symbol appears on the bright
- Height Adjustment: Adjust it by rotating t
he operation lever or chin-rest lever.
- Left/Right Adjustment: Move the operatio
n lever left and right so that the Outer A
lignment Ring is aligned with the Mire Im
- Focus Adjustment: Adjust it to the bright dot by tilting the operation leve
r forward/backward.
[ Figure 14. Height Adjustment
]