Piston PDD-401, Руководство по эксплуатации

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Descending algorithm
Audiometer - 25
Keys used during test
•
[SPACE] Equivalent to the patients’ feedback switch
•
[ESC] Interrupts the test
Descending algorithm
To select the Descending algorithm click at the icon.
Select the ear and set the sound pressure and frequency.
The hearing level is determined automatically.
The process can be aborted at any moment by clicking at the
icon.
The audiometer can be controlled from the keyboard as well
with the following keys:
Keys used during preparation of test
•
[ ] Cursor key increases sound pressure
•
[ ] Cursor key decreases sound pressure
•
[DEL] Selects the Right ear
•
[PAGE DOWN] Selects the Left ear
Keys used during test
•
[SPACE] Equivalent to the patients’ feedback switch
•
[ESC] Interrupts the test
Automatic sequence
To select the Automatic sequence click at the icon.
Select the starting sound pressure and click at the
icon.
The measuring of the hearing levels is done automatically.
The process can be interrupted at any moment by clicking at the
icon.
The audiometer can be controlled from the keyboard as well
with the following keys: