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0611 RM500SL User’s Guide Version 2.8 Page 64
16 Insertion Gain
16.1 Section overview
FastFacts 16.1: Insertion gain
16.2 Insertion gain in SPL
FastFacts 16.2: Insertion gain in SPL
Insertion gain is the difference between aided and unaided ear canal SPL (REIG =
REAG - REUG). It inherently assumes a sound-field audiogram. For non-linear
hearing aids, REIG is stimulus-dependent and the dependency is specific to each
hearing aid. Insertion gain fitting methods ignore these facts. Speechmap is
recommended for fitting all non-linear hearing instruments.
Refer to 10: Real-Ear Measurement Setup and 11: REM Screen Setup for
terminology and information on preparing the system for use and for proper
positioning of the client and the probe tube.
This section covers the following topics:
16.2: Insertion gain in SPL 16.6: REAR measurement procedure
16.3: Insertion gain in HL 16.7:SII calculation in Insertion gain
16.4: Audiometric data entry
16.5
:
REUR
m
easurement
p
rocedure
See 10: Real-Ear Measurement Setup and 11: REM Screen Setup
1) Press <Tests>, then highlight & <PICK> [Insertion gain] from the REM tests list.
2) Highlight and <PICK> [Instrument] to chose from BTE, ITE, ITC, CIC, Body.
This changes the CORFIG used for 2cc targets.
3) Highlight and <PICK> fitting method to chose from FIG6, NAL-NL1, NAL-R,
POGO II, Berger, Libby, User, None