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RM500SL
®
User's Guide Version 3.12
March 2015
Test box speaker overdriven!
• This message indicates that the test chamber speaker is unable to produce the SPL required for a test.
• Check that the test chamber lid is closed and sealed.
• Check that the test box calibration looks normal.
• Check that the hearing instrument under test is not feeding back.
• Try running an On-ear test.
No test box reference mic. detected
No test box reference mic. detected!
This message may be displayed when starting a hearing instrument test. It indicates that the RM500SL is not
measuring any sound at the test box reference microphone. The test box reference microphone is the white
microphone located in the test chamber.
• Ensure that the test box reference microphone is secure. Unplug the white test box reference microphone.
Plug the microphone back in again, ensuring that it ‘clicks’ into place. Try the calibration procedure again.
• Unplug the test box reference microphone and plug the on-ear probe microphone in its place. Try test box
calibration using the reference microphone of the on-ear probe microphone in place of the test box
reference microphone. If this is successful, the test box reference microphone is defective and must be
replaced.
Invalid test box calibration
Invalid test box microphone calibration!
This message may be displayed during the test box calibration procedure. It indicates that the calibration curve is
significantly different from what is expected. It may be accompanied by a missing test box reference microphone
error.
• Check that the there is no coupler on the coupler microphone and that the microphones are correctly
positioned for test box calibration.
• Check that the coupler microphone is securely plugged into the correct socket.
• Follow the suggestions in No test box reference mic. detected.
No on-ear ref. mic. detected
No on-ear reference mic. detected.
This message may be displayed when starting an On-ear test. It indicates that the RM500SL is not measuring any
sound at the on-ear probe reference microphone.
• Check that a probe microphone assembly is securely plugged into the PROBE socket to the left of the test
chamber and that its cable has not become damaged.
• Unplug the test box reference microphone in the test chamber and plug the on-ear probe microphone in its
100
- Audioscan RM500SL 1
- User's Guide 3.12 1
- Table of Contents 2
- 1 About RM500SL 6
- SAFETY WARNINGS and NOTICES 7
- Environmental safety 7
- March 2015 10
- Electronic User’s Guide 11
- 2 Getting Started 13
- General care instructions 14
- Microphone care 15
- Battery pill use and care 15
- 3 General Operation 18
- Keypad keys 19
- Menus, lists and buttons 20
- Screen messages and Help 21
- Software updating 21
- 4 General Setup 22
- 5 Networking 24
- NOAH Service Port 25
- Testing the NOAH service port 26
- 6 Single computer connection 27
- Local printer setup 30
- Printing to USB memory 31
- Network printer setup 32
- Printing to a network file 32
- Storing and restoring data 33
- Data storage using NOAH 35
- 8 Test Box Measures - Setup 36
- 1996 or 2003 ANSI standard 37
- ANSI test frequencies 37
- Test box calibration facts 37
- 9 ANSI Hearing Aid Tests 42
- ANSI test results 44
- ANSI input-output curves 44
- ANSI telecoil terminology 45
- Telecoil test results 46
- 10 Other Test Box Measures 48
- Multicurve procedure 49
- Multicurve results 49
- Battery drain test 50
- Manual control procedure 50
- 11 Sensory loss simulator 53
- 12 On-Ear Measures - Setup 54
- Max TM SPL setup 56
- ABR nHL to eHL setup 57
- Positioning the client 57
- Positioning the probe tube 58
- SPL or HL scale 60
- Hide or show on-ear curves 61
- On-ear feedback test 62
- On-ear noise reduction test 62
- On-ear manual control 63
- 15 Occlusion Effect Test 65
- 16 RECD measurement 66
- Measure RECD 67
- RECD results 68
- ANSI S3.46(2013) RECD 69
- RECD protocols 69
- RECD facts 70
- 17 Insertion Gain 72
- Insertion gain in HL 73
- Audiometric data entry 73
- REUR measurement procedure 74
- REAR measurement procedure 75
- 18 Speechmap 77
- DSL 5.0 changes 78
- NAL-NL1 in Speechmap 78
- NAL-NL2 in Speechmap 78
- Camfit in Speechmap 79
- Using Speechmap 79
- Speechmap Setup 80
- Screen tour - aided screen 82
- On-ear or Test box mode 82
- Assessment data entry 87
- Assessment data choices 88
- Open fittings in Speechmap 91
- FM fitting and verification 93
- Speechmap stimuli 95
- Stimulus levels 95
- Microphone location effects 96
- Deep insertion compensation 97
- Speech signal analysis 97
- 21 Troubleshooting 98
- Test box speaker overdriven 99
- Invalid on-ear calibration 101
- Barcode scanner malfunction 101
- 22 Technical 104
- Specifications 104
- Sensory Loss Simulator 105
- 23 Glossary 107
- 24 References 112
- 25 Appendix 1 115
- 26 Appendix 2 118
- 1 Introduction 119
- 2 The test signals 119
- 2.1 Narrow-band signals 120
- 2.2 Broad-band signals 120
- 2.2.3 Real-speech signals 122
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