
D-0133833-A – 2022/09
AD629 - Instructions for Use - EN
Page 10
3.4 Operating instructions
The figure below shows the outline of the front plate of the AD629 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.
2
Talk back Speaker
For speech feedback from the patient in the test cabin.
3
Color Display Screen
For displaying the different test screens. Will be further explained
in the sections describing the individual tests.
4
Tone and Response
Indicator
Indication light seen when a tone is presented to the patient.
Indication light seen when the patient activates the patient signal
using the patient response.
5
Channel 1
Indicates intensity level for channel 1, e.g.:
(21)
(4)
(3)
(5)
(15)
(16)
(7
(8
(9
(10) (11) (12) (13) (14
(17)
(18) (19) (20)
(22) (23) (24) (25)
(26)
(27) (28)
(29) (30) (31) (32)
(33) (34)
(35) (36)
(37) (38)
(39) (40)
(41)
(43)
(42)
(2)
(6)
(1)