2.3.7
Coupler microphone sockets
AURICAL HIT
A. BTE testing - Low coupler position
B. ITE, RIE, thin-tube testing - High coupler position
2.3.8
Sound absorbing foam lining
AURICAL HIT is lined with sound absorbing foam which is specifically designed to enhance the acoustic performance. Do
not remove any foam before measuring.
2.3.9
Main loudspeaker
The main loudspeaker is used for presenting regular acoustic test signals.
2.3.10
Rear loudspeaker
The rear loudspeaker presents the signal from behind the hearing instruments and is used for directional microphone test-
ing.
2.3.11
The AURICAL HIT lid
The lid of AURICAL HIT has a closing mechanism that prevents the lid from slamming shut, which could upset the position
of the hearing instrument for testing.
Opening the lid
To open the lid, use only one hand to lift the lid gently.
Closing the lid
To close the lid, place your hand on the lid and press gently until the closing mechanism takes over the action.
2.3.12
Telecoils
4 induction loops are fitted in AURICAL HIT for testing telecoil functioning:
BTE testing
ITE testing
12
Otometrics - AURICAL HIT
2 AURICAL HIT
