Introduction 7
6040 Sound Chamber
For control of external noises.
Open Ear Coupler
Non-standard coupler used for
realistic testing of open ear hear
-
ing aids.
CIC Coupler
Required coupler for use with
CIC
Option.
RECD Earphone Package
Consists of one ER3A earphone with a
phono plug, a 72 inch cable, an assort
-
ment of ear tips, a calibration certifi
-
cate, and a lapel clip. This package is
suitable for performing an RECD mea
-
surement with the FP40 analyzer.
#5 Battery Pill
12" or 24"
Needed for some CIC hearing aids.
External Telecoil
For checking the response of aids in
the “telephone” mode.
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