natus Aurical HIT, User Manual, Page: 9 / 28

1. Calibrating the reference microphone
Natus recommends that you calibrate the reference microphone daily or weekly. Set up the interval to suit your purposes.
See
Calibrating the reference microphone ► 9 .
2. Positioning the hearing instrument
General instructions are described in
•
Traditional BTE hearing instruments
►
12
• Thin-tube hearing instruments ► 13
• ITE hearing instruments
►
14
3. Testing
When you have positioned the hearing instrument correctly, you can test it using the Otosuite HIT module as described in
How to perform a standard test ► 15 , or you can perform coupler-based fitting as described in the Aurical® FreeFit and
the Probe Microphone Measurements documentation.
5.1 Calibrating the reference microphone
1. Launch Otosuite and select the
HIT
(HIT) module in the
Navigation
(Navigation) panel.
2. Position the microphones in the center of the test chamber.
Aurical HIT 9
5 Testing hearing instruments