natus Otometrics Aurical HIT User Manual Download Page 3 | Manualshive

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Table of Contents

1

Introduction

2

3

Installation

4

The test chamber

5

Testing hearing instruments

6

Maintenance and Calibration

7

Other references

8

Technical specifications

9

Definition of symbols

10 Warning notes

11 Manufacturer

Otometrics - AURICAL HIT

3

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Summary of Contents for Otometrics Aurical HIT

Page 1: ...AURICAL HIT and the OTOsuite HIT Module User Guide Doc No 7 50 1230 EN 06 Part No 7 50 12300 EN...

Page 2: ...etrics the Otometrics Icon AURICAL MADSEN HI PRO 2 Otoscan ICS and HORTMANN are registered trademarks of Natus Medical Denmark ApS in the U S A and or other countries Version release date 2019 09 18 2...

Page 3: ...5 3 Installation 5 4 The test chamber 5 5 Testing hearing instruments 9 6 Maintenance and Calibration 16 7 Other references 17 8 Technical specifications 17 9 Definition of symbols 20 10 Warning notes...

Page 4: ...ument dispensers and other health care pro fessionals in testing programmable hearing instruments Required qualifications It is assumed that the user has a basic knowledge of how to compare the result...

Page 5: ...ecessary parts and accessories If your package is incomplete contact your local distributor 3 Installation Place AURICAL HIT on an absolutely stable surface In order to exclude ambient noise and to co...

Page 6: ...e 8 C Cable groove 8 The AURICAL HIT handle 8 some models only 4 1 The coupler assembly The coupler assembly consists of the following parts A Coupler adapter B Coupler cavity C Coupler microphone 6 O...

Page 7: ...n 2cc coupler and ear sim ulator The selected coupler type is saved with measurements for later reference Coupler microphone The coupler microphone is located in a coupler bottom piece which must be a...

Page 8: ...mitters and body worn hearing instruments at a level where the microphone or microphones are approximately centered in relation to the loudspeaker 4 4 The AURICAL HIT handle Note This only applies to...

Page 9: ...ng 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 descr...

Page 10: ...trument the only two important things to remember are Aligning directional microphones along the loudspeaker axis Positioning the reference microphone as close as possible to the front microphone of t...

Page 11: ...HIT automatically detects the battery simulator Caution When you have connected the battery simulator make sure that it does not touch other metal parts as this may short cir cuit the system 5 4 Coupl...

Page 12: ...E hearing instruments This procedure applies to any type of standard BTE hearing instruments with traditional earmolds Using the HA 2 adapter and BTE adapter tube 12 Otometrics AURICAL HIT 5 Testing h...

Page 13: ...the Receiver In the Ear RIE Receiver In the Canal RIC and pre bent tubing Using the HA 1 ITE adapter Note If you place some acoustic putty on the receiver wire this will shift its resonance frequency...

Page 14: ...ing instrument During telecoil testing AURICAL HIT automatically detects the orientation of the hearing instrument 2 Enable telecoil mode in the hearing instrument 3 Close the lid and start testing 5...

Page 15: ...tically when you use OTOsuite with Noah together with the fit ting software for the hearing instrument 5 Position the hearing instrument so that it is ready for testing and switch it on 6 If you wish...

Page 16: ...accommodates any adaptational behavior of the hearing instrument Adaptive directionality often takes 10 to 15 seconds or more before the directionality of the hearing instrument is fully efficient 3 Y...

Page 17: ...liquids Do not allow moisture inside the unit Moisture inside the unit can damage the instru ment and it may result in a risk of electrical shock to the user or patient Adapters If needed remove any a...

Page 18: ...ncy range coupler microphone equalized 125 to 200 Hz 3 dB 200 to 5000 Hz 1 dB 5000 to 10000 Hz 3 dB Battery simulator Voltage range 0 to 2 0 V Resolution voltage 0 02 V Accuracy voltage 0 05 V Output...

Page 19: ...et Warm up time 15 min Standards AURICAL HIT CE marked according to the Low Voltage Directive 2014 35 EU Safety IEC 61010 1 2010 Test standards ANSI S3 22 2009 IEC 60118 7 2005 EMC IEC 61326 1 2013 Ac...

Page 20: ...ark USB socket for connecting AURICAL HIT to a computer Socket for connecting external coupler microphone Electronic equipment covered by the Directive 2012 19 EU on waste electrical and electronic eq...

Page 21: ...y used for purposes other than the applications defined in the Intended Use section of this manual 10 The device should be turned off before any connections are established To disconnect the device fr...

Page 22: ...The manufacturer is to be considered responsible for effects on safety reliability and performance of the equipment only if All assembly operations extensions re adjustments modifications or repairs a...

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