24
13912-101 Rev. B
Instructions for Use (Continued)
Touch Sensor Activated
If something, such as a finger, is placed inside the open space surrounding the AT555’s nosepiece,
the unit’s screen will change to that shown below.
Thisismeanttopreventdamagetotheinstrumentand/ortopreventthepossibilityofcausinginjury
to the patient. Should this situation arise, make sure the patient is not touching the AT555 anywhere
near its nosepiece. The instrument will not function until the finger is removed.