23
13912-101 Rev. B
Instructions for Use (Continued)
Too Close Activated
During the measurement process, the AT555 may detect a situation where the patient’s eye is
too close to the nosepiece. Should this occur, the instrument will back away from the patient’s
eye and then start aligning and measuring again. After three attempts, the instrument will back
away completely, and the screen will change to that shown below.
Should this situation arise, ask the patient to move away from the instrument, then reposition the
patient and proceed with the next measurement.
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