Phonak CROS B-312 User manual

User Guide
Phonak CROS B Custom

Wireless models
Phonak CROS B-312 Custom
Phonak CROS B-13 Custom
CE mark applied
2017
2017
This user guide is valid for:
This user guide only applies to the CROS device.
Please see the hearing aid user guide for
instructions related to the hearing aid.

3
Your CROS device
Model
cPhonak CROS B-312 Custom
cPhonak CROS B-13 Custom
Battery size
312
13
If no box is checked and you do not know the
model of your CROS device please ask your hearing
care professional.
Your hearing care professional:

Your CROS device has been developed by Phonak – the
world leader in hearing solutions based in Zurich,
Switzerland.
This premium product is the result of decades of research
and expertise and is designed to keep you connected to
the beauty of sound! We thank you for making such a
great choice and wish you many years of listening
pleasure.
Please read the user guide carefully to make sure that
you understand and get the best out of your CROS device.
For more information about features and benets, simply
contact your hearing care professional.
Phonak – life is on
www.phonak.com

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Contents
Your CROS device
1. Quick guide
2. Parts of the CROS device
Using the CROS device
3. Left & right CROS device markings
4. On/O
5. Batteries
6. Putting on the CROS device
7. Removing the CROS device
8. Push button
9. Volume control
Further Information
10. Care and maintenance
11. Service and warranty
12. Compliance information
13. Information and description of symbols
14. Troubleshooting
15. Important safety information
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1. Quick guide
Left & right markings
Changing batteries
Blue marking for
left device.
Red marking for
right device.
Remove the
sticker from the
new battery
and wait two
minutes.
Left Right
Open the
battery door.
Place battery in the
battery door with the
“+” symbol facing
upwards.
1 2 3

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On/O
Push button
Volume control
The push button on your CROS
device can have various functions.
Models with this option only:
To increase the volume, turn the
volume control forwards. To decrease
the volume, turn the volume control
backwards.
OOn

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2. Parts of the CROS device
The pictures below show the models described in this user
guide. You can identify your personal model by:
• Checking “Your CROS device” on page 3.
• Or comparing your CROS device with the following
shown models. Pay attention to the shape of the CROS
device and if a volume control is present.
The Phonak CROS device is an application for single-
sided deafness, one-sided hearing loss or asymmetrical
hearing loss. It is placed on the impaired ear and
wirelessly transmits sound to the Phonak hearing aid
on the other ear.
Phonak CROS BCustom device
+ Phonak Virto B hearing aid = Phonak CROS Bsystem
Phonak CROS B Custom only works in connection
with a Phonak Virto B hearing aid as the receiver.

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CROS B-312 Custom
CROS B-13 Custom
Battery door
Push button
Custom made shell
Volume control
(optional)
Battery door
Custom
made shell
Push button
Volume control
(optional)

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3. Left & right CROS device markings
There is a red or blue marking to tell you if it is a left
or a right CROS device. The color mark is located on
the shell (text printed in red or blue), or the shell is
colored red or blue.
Blue marking for left device.
Red marking for right device.