Speech - Ch2On; Speech In Noise - Interacoustics AD629 Instructions For Use Manual

Device for diagnosing hearing loss
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Speech – CH2On
This test screen is the same as for speech. When in Speech – Ch2On, the speech material is presented
binaurally.

Speech in noise

This test screen is the same as for speech. When in Speech in noise, the speech material and speech in
noise is presented in the same ear.
Hughson-Westlake test
Hughson Westlake is an automatic pure tone test procedure. The threshold of hearing is defined as 2 out
of 3 (or 3 out of 5) correct responses at a certain level in a 5dB increase and a 10dB decrease test
procedure.
Function key
10
11
12
15
16
17
D-0133833-A – 2022/09
AD629 - Instructions for Use - EN
Description
Show traces
Select other 20y.
Test high frequencies.
Single Freq test.
Start test. Tests all frequencies.
Stop test.
Page 20

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