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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30
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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.

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4. On/O
The battery door is also the on/o switch.
1
2
Closed battery door =
CROS device is on
Open battery door =
CROS device is o

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5. Batteries
Remove the
sticker from the
new battery and
wait two minutes.
Open the
battery door.
Place battery in the
battery door with the
“+” symbol facing
upwards.
Low power: You will hear two beeps followed by a
melody when the battery of the CROS device is
low. You will have approximately 30 minutes to
change the battery (this can vary, depending on the
battery). We recommend that you always have a new
battery on hand.
If it is dicult to close the battery door: Check that
the battery is inserted correctly and the “+” symbol
is facing upwards. If the battery is not inserted
correctly, the CROS device will not work and the
battery door can be damaged.
1 2 3

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Replacement battery
This CROS device requires zinc-air batteries. Identify the
correct battery size (312 or 13) by:
• Checking “Your CROS device” on page 3.
• Checking the following table.
Please ensure you use the correct type of battery in
your CROS device (zinc-air). Please also read chapter
15.2 for further information on product safety.
Model
Phonak CROS
CROS B-312 Custom
CROS B-13 Custom
Zinc-air
battery
size
312
13
Color
marking on
package
brown
orange
IEC
code
PR41
PR48
ANSI
code
7002ZD
7000ZD

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6. Putting on the CROS device
Take your CROS device
up to your ear and place
the ear canal part into
your ear canal.

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7. Removing the CROS device
1
2
Put your thumb behind your
lobe and gently press your ear
upward to push the CROS device
out of the canal. In order to
help it along, make chewing
movements with your jaw.
Grasp the protruding CROS
device and remove it.

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8. Push button
The push button on your
CROS device can have
various functions or is
not active. This depends
on the programming of
the CROS device, which
is indicated in your
individual “Hearing aid
instructions”. Please ask
your hearing care
professional for this
printout.

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9. Volume control
Models with this
option only:
To increase the volume,
turn the volume control
forwards. To decrease the
volume, turn the volume
control backwards. The
volume control can be
disabled by the hearing
care professional.

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10. Care and maintenance
Diligent and routine care of your CROS device contributes
to outstanding performance and a long service life.
Please use the following specications as a guideline.
For further information regarding product safety, see
chapter 15.2.
General information
Before using hair spray or applying cosmetics, you should
remove your CROS device from your ear, because these
products may damage it.

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Daily
Daily cleaning and the use of a drying system is highly
recommended. C&C line from Phonak is a complete set of
cleaning products. Your hearing care professional will be
glad to advise you. Never use household cleaning
products (washing powder, soap, etc.) to clean your
CROS device.
If your CROS device fails to operate after you have
correctly inserted a new battery, contact your hearing
care professional for advice.
Weekly
For more in depth maintenance instructions or for
more than basic cleaning, please see your hearing
care professional.

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11. Service and warranty
Local warranty
Please ask the hearing care professional, where
you purchased your CROS device, about the terms
of the local warranty.
International warranty
Sonova AG oers a one year limited international
warranty, valid starting from the date of purchase.
This limited warranty covers manufacturing and
material defects in the CROS device itself, but not
accessories such as batteries, tubes, earmolds and
external receivers. The warranty only comes into
force if a proof of purchase is shown.
The international warranty does not aect any legal
rights that you might have under applicable national
legislation governing sale of consumer goods.