Contents
1 Introduction 3
1.1 Intended applications 3
1.2 Unpacking 3
1.3 Warranty card (UK customers only) 3
1.4 Standard contents 3
1.5 Optional accessories 4
2 Important Safety Instructions 4
2.1 Precautions 4
2.3 Mains supply operation 5
2.4 Audiometer connections 6
2.5 Data transfer to a printer 6
2.6 Data transfer to a computer 7
2.7 Line in/out connection (audio) 7
3 Using the Audiometer 7
3.1 Switching the audiometer on and off 7
3.2 Testing the patient response switch 8
3.3 Audiometer display 8
3.4 Audiometer controls 8
3.5 Threshold Retention Function 13
3.6 Saving audiograms in internal memory 13
3.7 Loading audiograms from internal memory 14
3.8 Printing audiograms 14
3.9 Data transfer to a NOAH database 14
4 Suggested Sequence of Operation and Test Procedure 15
5 Specification 17
5.1 Output data 17
5.2 Maximum hearing levels provided at each frequency 18
5.3 Physical Data 18
5.4 Equipment classification 18
6 Symbols 19
7 Technical Information 20
8 Routine Maintenance 21
8.1 Audiometer maintenance 21
8.2 Transducer maintenance 21
8.3 Mains adapter maintenance 23
9 Instrument Storage and Transportation 23
10 Calibration and Repair of the Instrument 23
11 Guarantee 24
12 Ordering Consumables and Accessories 25
Appendix 1 - Speech Audiometry 27
Appendix 2 - Free Field Calibration Procedure 33
Appendix 3 - EMC Guidance & Manufacturer’s Declaration 39
Appendix 4 - Use with Non-medical Electrical Equipment 45
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