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Operation Manual MA 28
8506915 Rev. 5
35
05/05/2021
Setup Menu
Description
Frequency roll
To define the movement to the next frequency. Selections include:
•
None:
Frequency roll is off. To change the frequency during
testing, use the
+/-
buttons. Frequency stops when minimum
or maximum levels are reached.
•
Wrap:
When using the frequency buttons
+/-
or
Store
the
frequency selection will cycle through all active frequencies.
•
Back:
Frequency returns to 1000 Hz when minimum and
maximum has been reached. Occurs when selecting
Store
or
the frequency buttons
+/-
.
Pulse length
To select the length of each tone when
Pulse
is selected.
Choose
between
250 ms
and
500 ms
.
Language
To select the display language.
Choose between:
Deutsch, English,
Español, Fran
ҫais, Italiano, Nederlands, Polski, Русский,
中文
.
Backlight
To select the intensity of the Backlight. Choose a value between
30 %
(very dark)
to
100 %
(very bright).
Air
frequencies
To select the frequencies to be active during the air conduction test.
Press
Change
to toggle between the 10 frequencies that can be set to
On
or
Off
:
125 Hz, 250 Hz, 500 Hz, 750 Hz, 1500 Hz, 2000 Hz, 3000 Hz,
4000 Hz, 6000 Hz, and 8000 Hz
.
Bone
frequencies
To select the
frequencies to be active during the bone conduction
test. Press
Change
to toggle between the 9 frequencies that can be
set to
On
or
Off
:
250 Hz, 500 Hz, 750 Hz, 1500 Hz, 2000 Hz,
3000 Hz, 4000 Hz, 6000 Hz, 8000 Hz
.
Hughson-
Westlake
(HW) test
…
See section 5.10.1
Date/time
setup…
See section 5.10.2
Facility info…
See section 5.10.3
License key…
See section 5.10.4
About
To view relevant information to the device (i.e. Serial number,
firmware version, etc.). Press
Change
to access the license
information of the MA 28.
Database
password…
See section 5.10.5