Frye FONIX FP40D - Manual (Page 13)

Introduction 5
HA-1 2-cc Coupler
Dimensions per requirements of ANSI
S3.7 for testing in-the-ear aids.
HA-2 2-cc Coupler
Dimensions per requirements of ANSI
S3.7 for testing ear level, eyeglass and
body aids.
1.4 Accessories
The standard and optional accessories available for the FP40 analyzer are described in this
section.
1.4.1 Standard Accessories
Microphone Adapter
14 mm to ANSI 1" diameter microphone
size. This is used for calibrating the FP40
microphones.
Ear-Level (BTE) Adapter
Snaps into the 1/4" (6.35 mm) diam-
eter cavity in the HA-2 2-cc coupler or
the MZ-2 coupler. Equipped with a 0.6"
(15 mm) length of 0.076" (1.93 mm)
ID tubing, the adapter allows ANSI
S3.22 specified connection of an ear-
level aid to the coupler.