audioscan RM500SL User Manual page 3

Section overview...........................................................................................................................38
ANSI S3.22-1996 facts..................................................................................................................38
ANSI S3.22-2003 facts...................................................................................................................38
ANSI 1996 Linear and AGC tests..................................................................................................39
ANSI 2003 Linear and AGC tests..................................................................................................39
ANSI test results............................................................................................................................40
ANSI input-output curves..............................................................................................................40
ANSI telecoil terminology..............................................................................................................41
ANSI telephone simulator (TMFS) test.........................................................................................41
Telecoil test results........................................................................................................................42
9 Other Test Box Measures...............................................................................................................44
Section overview............................................................................................................................44
Harmonic distortion.......................................................................................................................44
Noise reduction.............................................................................................................................44
Multicurve procedure....................................................................................................................45
Multicurve results..........................................................................................................................45
Spectral analysis in Multicurve.....................................................................................................46
Battery drain test...........................................................................................................................46
Manual control procedure.............................................................................................................47
Sound level meter using manual control.......................................................................................47
10 Sensory loss simulator.................................................................................................................50
Sensory loss simulator description................................................................................................50
Sensory loss simulator operation..................................................................................................50
11 On-Ear Measures - Setup.............................................................................................................52
Section overview............................................................................................................................52
On-ear calibration facts.................................................................................................................52
Calibration of on-ear probe microphone.......................................................................................52
Calibration check for probe module..............................................................................................53
Max TM SPL setup.........................................................................................................................54
ABR nHL to eHL setup...................................................................................................................55
Positioning the client.....................................................................................................................55
Positioning the probe tube............................................................................................................56
12 On-Ear Measures Screen Setup...................................................................................................58
Section overview............................................................................................................................58
On-ear right or left display............................................................................................................58
Graph, table or 2cc target format..................................................................................................58
SPL or HL scale.............................................................................................................................58
Hide or show on-ear curves...........................................................................................................59
13 On-Ear Instrument Measures......................................................................................................60
Section overview...........................................................................................................................60
On-ear feedback test......................................................................................................................60
On-ear noise reduction test...........................................................................................................60
On-ear manual control...................................................................................................................61
Sound level meter using on-ear microphones...............................................................................62
14 Occlusion Effect Test...................................................................................................................63
Section overview...........................................................................................................................63
Occlusion effect measurement......................................................................................................63
15 RECD (real-ear to coupler difference).........................................................................................65
Section overview............................................................................................................................65
RECD facts.....................................................................................................................................65
RECD coupler response.................................................................................................................65
RECD on-ear response..................................................................................................................66
RECD results.................................................................................................................................68
16 Insertion Gain..............................................................................................................................69
User's Guide Version 3.4 © June 2011
RM500SL ®
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