Interacoustics AC40 Instructions For Use Manual page 29

AC40 Instructions for Use - US
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
Description
Show traces
Select othe ars25y
Test high frequencies
Single Freq test
Start test. Tests all frequencies.
Stop test.
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