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Placement of the Earphones
Prior to positioning the earphones on the patient's head, inspect the ear canals for any
blockage due to cerumen or foreign objects. Recognize that soft-walled ear canals may
collapse under the earphones, and this can lead to incorrect threshold levels. Insert phones
might be used in these cases. Eliminate all obstructions, such as glasses, hair, or hearing
aid, between the earphone and the patient.
Center the earphones over both ears and adjust the headband so that it rests solidly on the
crown of the head and exerts pressure on both ears. Place the earphone with the red
connector over the patient's right ear and the earphone with the blue connector over the
left ear.
Placement of the Insert Phone
Be sure there is an eartip attached to the insert phone before inserting into
the patient's ear. Inserting the insert phone without an eartip could cause
harm to the patient. Push the correctly sized eartip onto the earphone and
then place the insert phone securely into the patient's ear. When using the
insert phones, follow the manufacturer's recommended procedure for eartip preparation,
placement, and insertion.
Insert eartips are single use only. Using disposable eartips ensures sanitary conditions for
each patient. Failure to comply with the single-use requirement can lead to cross-
contamination and infection.
Placement of the High Frequency Transducer
Remove eyeglasses and earrings if possible and position the transducer directly on the
head of the patient. Place the rubber cushions so that the earphone diaphragm is aimed
directly at the opening into the ear canal. Adjust the headband for a tight fit. If the cushions
are not tight to the ears, the test result will be false, especially at lower frequencies.
Placement of the Bone Vibrator
The bone vibrator can be placed on the promontory of the mastoid process or on the
forehead, whichever has been selected in the configuration application or modified in the
Configure screen.
Loud Auditory Output
display is shown with a yellow background when loud output is selected for presentation.
D-0131088 Rev C, 2022-07
GSI AudioStar Pro Instructions for Use
The AudioStar Pro audiometer is capable of
outputting loud sounds and is designed to
provide a visual indicator to the examiner when
presenting sounds at or above 100 dB. The level
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