D-0133833-A – 2022/09
AD629 - Instructions for Use - EN
Page 12
24
Mic
For live speech testing through the microphone (1). The VU meter
can be seen on the display screen. Adjust the microphone gain by
holding down the Mic button for one second.
25
1 CD 2
By pressing this function once or twice it is possible to have
recorded speech in either channel 1 or channel 2 separately.
Adjust the gain of CD 1 and 2 by holding down the CD button for
one second.
26
Ext Range
Extended Range: Usually the maximum output is e.g., 100dB but
if a higher output e.g., 120 dB is needed then “Ext Range” can be
activated when reaching a certain level.
27
Ch 1 Monitor 2
With the activation of this button, presentation to the patient from
e.g., CD can be heard through the built in monitor of the AD629 or
monitor headset in both channel 1 and 2. Adjust the gain by holding
down the button for one second.
28
Talk Back
Talk back, when active allows the clinician to hear comments or
responses from the patient through the AD629 or monitor
headset. Adjust the gain by holding down the button for one
second.
29
Right / Insert
For selecting the right ear during testing. Insert phones for the
right ear can be activated by pressing twice.
30
Left / Insert
For selecting the left ear during testing. Insert phones for the left
ear can be activated by pressing twice.
31
R Bone L
For bone conduction testing.
•
First push: selects the right ear for testing
•
Second push: selects the left ear for testing
32
1 FF 2
Pressing “1 FF 2” will select free field speaker as output for Channel
1.
•
First push: Free Field speaker 1
•
Second push: Free Field speaker 2