MedRx AVANT HIT+, Руководство по обучению

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Performing HIT+ Measurements
Hearing Instrument Test (HIT) Box standards and procedures are defined by ANSI and IEC. Each test has separate reference and tolerances that can be located in the
interactive help files of our software by clicking the “?” Icon or pressing the F1 key. Please refer to these for additional information about each test
Attaching Hearing Instruments to the Coupler
ITE (In the Ear), ITC (In the Canal)
and MIC (Mini Canal) Hearing Instruments
1. Seal acoustic vents.
2. Wrap the canal portion of the instrument with a
hermetic sealing material such as Bostik Blu-Tack.
3. Align the sound bore with the opening of the ITE
coupler adapter. Press the sealing material firmly
into the ITE adapter.
4. Ensure that the black O-ring is installed in the 2cc
coupler and snap the ITE adapter in place.
RIC (Receiver in Canal) Hearing Instruments
1. The ITE Coupler adaptor should be used for
RIC’s
2. Wrap the receiver (without a dome) with a
hermetic sealing material such as Bostik Blu-
Tack.
3. Align the receiver with the opening of the ITE
coupler adapter. Press the sealing material
firmly into the ITE adapter.
4. Ensure that the black O-ring is installed in the
2cc coupler and snap the ITE adapter in place.
NOTE: If the RIC hearing aid has an earmold it can
remain on the hearing aid and be attached to the
coupler in the same method as an ITE hearing aid.