4
4 Sequence of Operation and Suggested Test Procedure 34
- 4.1 Pre-test 34
- 4.2 Test 34
- 4.3 Post-test 35
5 Specification 36
- 5.1 Output data 36
- 5.2 Maximum hearing levels provided at each frequency 37
- 5.3 Physical Data 37
- 5.4 Equipment classification 38
6 Symbols 39
7 Technical Information 40
8 Routine Maintenance 43
- 8.1 Audiometer maintenance 43
- 8.2 Transducer maintenance 43
- 8.3 Mains adapter maintenance 45
- 8.4 Perform listening check 45
9 Instrument Storage and Transportation 46
10 Calibration & Return of the Instrument 47
11 Guarantee 48
12 Ordering Consumables & Accessories 49
Appendix 1 ‒ Speech Audiometry 50
- Headphone and Free Field Testing 50
- Operator Monitoring 50
- Test Modes in Speech Audiometry 51
- Display Counter 51
- 1. Live Voice Speech Audiometry to Headphones 52
- 2. Live Voice Speech Audiometry with Contralateral Masking 53
- 3. Recorded Speech Audiometry to Headphones 54
- 4. Recorded Speech Audiometry to Headphones with
Contralateral Masking 55
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