16
According to the requires of the connected devices, customers choose the corresponding baud
rate, and open the auto option, the measurement data will be automatically transferred to the
connected devices, meanwhile the refractometer data will be automatically cleared.
7.
MEASUREMENT
Suitable crowd and contraindication
Target patients for adults and children, and crowd of eye power range (-20 m
-1
~
+20 m
-1
). This product is not suitable for newborn eye measurement.
7.1 Preparations before Measurement
7.1.1 Place the device on the specified instrument table, loose the stage fixing lever and
keep the device in free sliding state, adjust the four rubber feet to keep the device
in horizontal.
7.1.2 Fix and install the specified chinrest paper and printing paper separately
7.1.3 Connect the spare power line to the instrument socket tightly (ensure the local
voltage fit to the instrument specification)
7.1.4 Turn on the left side power switch (green indicator light show right in electricity
connection), the instrument goes into self-check procedures. After self-check over,
it automatically switches to main interface for measurement.
7.2 Notes for Operator and Patient
7.2.1 Adjust the chair height and screen angle in right position
7.2.2 Ensure the patient in comfortable and relaxed posture before measurement
7.2.3 By adjusting the instrument tabletop, keep the instrument height same to the patient
natural sitting posture
7.2.4 Settle patient’s chin touch the chinrest front and forehead touch the rubber forehead
rest in level (keep face parallel with the measurement window)
7.2.5 By observing the patient eyes position and height adjustment mark, press the
chinrest up/down key on panel to adjust the patient’s eyes same height to the
measurement window
7.2.6 By the operation lever, move the sliding body left and right to move the patient’s
eyes in the measurement range (if the distance of two sides asymmetrical,
adjust it by fixing the patient’s head deviation)
