Interacoustics AC40 - Operating Instructions

AC40 Instructions for Use - US Page 12
3.4 Operating instructions
The figure below shows the outline of the front plate of the AC40 including buttons, dials and display:
The following table describes the functions of the various buttons and dials.
Name(s)/Function(s)
Description
1
Microphone
For live voice speech and talk forward instruction to the patient in
the test cabin. Can be deattached and stored in the compartment
under the display.
2
Talk back / Monitor
Speaker
For speech feedback from the patient in the test cabin. To adjust
the TB / monitor levels, hold down the TB / monitor button and use
left/right totary wheels to adjust the level.
3
Talk back / Monitor
Speaker
For speech feedback from the patient in the test cabin. To adjust
the TB / monitor level, hold down the monitor button and use
left/right totary wheels to adjust the level.
4
Color Display Screen
For displaying the different test screens. Will be further explained
in the sections describing the individual tests.
5
Tone Indicator
Channel 1
Indication light is seen when a tone stimuli is presented to the
patient on channel 1 (“Stim”).
6
Tone Indicator
Channel 2
Indication light is seen when a tone stimuli is presented to the
patient on channel 2 (“Stim”).
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