AA222 Instructions for Use – US Page 19
Up is used to increase in frequency during audiometry.
Correct is used during speech audiometry for storing a correct word. The
AA222 has an incorporated automatic speech score counter. Therefore as a
second function you can use this button as a “Correct” button when performing
speech tests. For automatic speech score counting while testing speech, push
this button after each word heard correctly by the patient.
Adjust the level of the output for channel 2 used for masking during
audiometry.
Change the reflex frequency during manual reflex measures, and scroll
through menus and selection options.
microphone
For talk forward instruction to the patient in the test cabin when the talk forward
button is pressed.
The microphone used for talk forward is TF (15, back panel) as first priority. If a
microphone is not plugged in, the internal microphone (39) will be used.
The intensity is changed by turning the wheel (34) while holding the ‘Talk
Forward’ button.
speaker
The monitor speaker monitoring both channels together is available by
selecting the “Monitor” button (28), if an assisting monitor headset is not
plugged in (3, back panel).
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