Operation Manual MA 25/MA 25e
MA 27/MA 27e
Automatic Hughson-Westlake Test (HW)
The MA 25e and MA 27e incorporate the automatic Hughson-Westlake Test (HW).
The automation of this test is configured in the Hughson-Westlake test setup menu.
Press Change to access the Hughson-Westlake Tests setup menu. Press Change
again to enter the single setting options. Press Save to return to the main setup menu.
Table 11 Hughson-Westlake Test
To select if the patient shall be trained with a familiarization
test (On), or not (Off).
The HW test can be automated to confirm 2 – 3 (2 out of 3)
or 3 – 5 (3 out of 5) correct answers before moving to the
next frequency.
The HW allows for test frequencies to be deactivated
separate from the manual audiometric test process. Press
Change to toggle between the 7 frequencies that can be set
to On or Off: 125 Hz, 250 Hz; 750 Hz; 1500 Hz, 3000 Hz,
6000 Hz, 8000 Hz. Press Save to return to the main
Hughson-Westlake Tests Setup Menu.
Press Change to set the stimulus on time to 1 or 2 seconds.
Press Change to set the random time. The random time can
be set between 0 and 1.6 seconds.
Press Change to set the lower screening limit and define
when to move on to the next frequency. The lower limit can
be set between -10 and 20 dB.
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