Interacoustics AT235 Additional Information

AT235 Additional Information Page 36
5.2 Auto Test: Hughson-Westlake
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 threshold level in a 5dB increase and a 10dB decrease test procedure.
Function Key
Description
Toggles between showing and hiding the trace.
When activated, the patient can become familiarized with the testing
procedure.
When pressed, the currently selected frequency is tested only. The test starts
immediately when pressed.
Clears the curve of the selected ear (without losing data from the other tests).
Moves the frequency up.
Moves the frequency down.
Press the play button to start the test for all frequencies.
Pause the test.
Stop the test.

Interacoustics AT235 Specifications

General

Brand	Interacoustics
Model	AT235
Category	Measuring Instruments
Language	English