Table of Contents
Advertisement
Section overview...........................................................................................................................69
Insertion gain in SPL.....................................................................................................................69
Insertion gain in HL.......................................................................................................................70
Audiometric data entry..................................................................................................................70
REUR measurement procedure.....................................................................................................71
REAR measurement procedure.....................................................................................................72
SII calculation in Insertion gain....................................................................................................73
17 Speechmap...................................................................................................................................75
Section overview............................................................................................................................75
Speechmap facts............................................................................................................................75
DSL 5.0 in Speechmap...................................................................................................................75
DSL 5.0 changes............................................................................................................................76
NAL-NL1 in Speechmap................................................................................................................76
Camfit in Speechmap.....................................................................................................................76
Using Speechmap..........................................................................................................................77
Screen tour - unaided screen........................................................................................................78
Screen tour - aided screen............................................................................................................79
On-ear or Test box mode...............................................................................................................79
SII calculation in Speechmap........................................................................................................80
18 Speechmap Fitting Procedures....................................................................................................81
Section overview...........................................................................................................................81
Assessment data entry...................................................................................................................81
Assessment data choices...............................................................................................................82
Fitting to targets for soft speech...................................................................................................83
Fitting to targets for loud sounds..................................................................................................83
Fitting to targets for mid-level speech..........................................................................................84
Open fittings in Speechmap..........................................................................................................84
FM fitting and verification.............................................................................................................87
19 Speechmap Technical Details......................................................................................................89
Section overview...........................................................................................................................89
Speechmap stimuli........................................................................................................................89
Stimulus levels...............................................................................................................................90
Microphone location effects..........................................................................................................91
Speech signal analysis...................................................................................................................92
20 Troubleshooting...........................................................................................................................93
Section overview...........................................................................................................................93
Self test failures.............................................................................................................................93
Test box high distortion or noise...................................................................................................93
Test box curves inconsistent.........................................................................................................94
Test box curves differ from specifications.....................................................................................94
Test box speaker overdriven.........................................................................................................94
No test box reference mic. detected.............................................................................................95
Invalid test box calibration............................................................................................................95
No on-ear ref. mic. detected..........................................................................................................95
Invalid on-ear calibration..............................................................................................................95
Sound-field speaker overdriven.....................................................................................................96
Barcode scanner malfunction........................................................................................................96
21 Technical Specifications.............................................................................................................100
General........................................................................................................................................100
Test box.......................................................................................................................................100
On-Ear..........................................................................................................................................100
Sensory Loss Simulator...............................................................................................................101
22 Glossary......................................................................................................................................103
User's Guide Version 3.4 © June 2011
RM500SL
®
4
.85
Advertisement
Table of Contents
