D-0116684-B – 2020/03
OtoRead™ - Instructions for Use - US Page 11
2.4 The harware
2.4.1 The OtoRead
TM
test instrument
The OtoRead
TM
consists of the instrument, Micro-
Probe, single-use ear tips, replaceable probe
tubes and other accessories.
The OtoRead
TM
contains the hardware and
software for generating the test stimuli, measuring
and displaying the OAEs, and storing the results
until they are printed or saved to the database.
The plastic housing contains circuit boards that
provide the signal processing and display the test
results. The instrument also contains a
rechargeable lithium-ion battery to power the
device. On the top of the device, a probe holder
can be found, to ensure safe storage of the probe.
The instrument uses an organic light-emitting
diode (OLED) display screen and three light-
emitting diodes (LEDs) to provide a visual display
of test status to the operator. Four membrane-
type push buttons located on the keypad of the
device allow the user to control testing and
printing, and to reset test protocols.
The probe houses the speaker and microphone
which produce test stimuli and measure the sound
pressure level (SPL) present in the sealed ear
canal. Interface of the instrument to the ear canal
is accomplished through disposable ear tips which
fit onto the probe tube. The disposable ear tips
are color coded to facilitate easy selection by size.
indicators
interface
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