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Piston PDD-401 User Manual

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Page #19 background image
Selection of measuring method
18 - Audiometer
Ascending iteration
In the ascending iteration the sound level is raised from the
unheard level to the level when the patient indicates that the
sound is heard already.
Descending iteration
In the descending iteration the sound level is decreased from
the well heard level to the level when the patient indicates that
the sound is not heard yet.
Automatic sequence
According to the pre set sequence both ears are tested fully
automatically.
Signal type
The system provides the following types of signal
Continuos
Impulse
Interrupted
Continuos
The signal is generated continuously. The continuos signal is
available only in Manual mode.
Impulse
The signal is generated for 1-2 second intervals. The Impulse
signal is available for all modes.
Interrupted
The signal generated continuously but interrupted regularly.
The interrupted signal is available only in Manual mode.

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Piston PDD-401 Specifications

General IconGeneral
BrandPiston
ModelPDD-401
CategoryMeasuring Instruments
LanguageEnglish