User guide
ELI
O
S
ECH001XN111-A4 – 07/2022
21
Introduction and test setup
3.1 ABR
3.1.1
Equipment
To make a
ABR
measurement you need the following equipment:
Common elements for all configurations
ELI
O
S
unit
E
CHO
-
DIF
unit
Electrophysiology
cable
4 surface electrodes
Measurement with insert earphone
Insert earphone
2 foam ear tips ER3-14A 13mm
or
2 foam ear tips ER3-14B 10mm
or
2 insert earphone tips ER3-14E 4mm
or
2 insert earphone tips ER3-14D
3.5mm
Measurement with insert earphone and acoustic tube
Insert earphone
2 OAE ear tips T04 tree
or
2 OAE ear tips Txx
(xx size in mm)
Acoustic tube
Measurement with DD45 headset
DD45 headset