Phonak CROS
II
March 2015
Desktop Fitting Guide
This guide provides you with a detailed introduction to fitting a Phonak CROS
II
system in Phonak Target 4.1 and later. For fitting of the
hearing instruments, please see the Hearing Instruments Desktop Fitting Guide.
Preparation of the hearing instruments
For the fitting of CROS
II
it is recommended to use iCube II as it enables faster fine tuning and instant demonstration of CROS
II
.
iCube
II
No cables to the hearing instrument or CROS
II
are needed. Insert
the battery before placing the device on the ear. Turn on the
devices by closing the battery compartment.
NOAHlink or HI-PRO
Connect the programing cables to the hearing instruments and the
fitting device. CROS
II
is not active with the fittng cables
connected.
Connect the instruments
Click
[Connect]
to start the fitting. The connected devices will appear next to the
fitting device in the dashboard.
The audiogram data from NOAH will be automatically imported into Phonak Target
and taken into account for the pre-calculation.
Confirm that the correct fitting device is shown. To change the
fitting device, use the pull down arrow next to the fitting device
in the dashboard.
Basic tuning
After the connection, fit the hearing instrument as in a monaural fitting. After the
successful fitting, go to the
[Basic tuning]
screen to adjust the loudness ratio
between CROS
II
and the hearing instrument.
For a BiCROS fitting, run the feedback test.
The hearing instrument on the better ear can be adjusted in the same way as in a
standard fitting.
