User Guide
Wireless models
Phonak CROS II-312
Phonak CROS II-13
CE mark applied
2014
2014
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
c CROS II-312
c CROS II-13
Earpiece
c Dome or SlimTip
c Classic earmold
Battery type
312
13
If no box is checked and you do not know the
model of your CROS device, please ask your hearing
care professional.
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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 benets, simply
contact your hearing care professional.
Phonak - life is on
www.phonak-us.com
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Contents
Your CROS device
1. Quick guide
2. Parts of your CROS device
Using your CROS device
3. Left & right CROS device markings
4. On/O
5. Batteries
6. Putting on your CROS device
7. Removing your 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
16. Important information: Cell phones
17. For the US market only, complies
with the FDA regulations
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10
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18
19
20
23
25
29
32
34
41
43
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1. Quick guide
Left & right markings
Changing batteries
1 2 3
Blue marking for
left device.
Red marking for
right device.
Remove the
sticker from the
new battery.
CROS II-312 CROS II-13
Open the
battery door.
Place battery in
the battery door
with the “+”
symbol facing
upwards.
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On/O
Push button
Volume control
The push button on your device
can have various functions.
The function is indicated in your
individual instructions.
CROS II-13 only:
To increase the volume, press the
volume control upwards. To decrease
the volume, press the volume control
downwards.
OOn
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2. Parts of your CROS device
The following pictures 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 models shown
on the following page. Pay attention to the shape of the
hearing aid and if a volume control is present.
The Phonak CROS device is a solution for single-sided
deafness, one-sided hearing loss or asymmetrical
hearing loss. It is placed on the poorer hearing ear and
wirelessly transmits sound to the Phonak hearing aid on
the other ear.
Phonak CROS II device + Phonak hearing aid =
Phonak CROS system
Phonak CROS II only works in connection
with a Phonak Venture hearing aid or newer.
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Possible
earpieces for the
CROS II device
Anchor
(optional)
Anchor
(optional)
Push
button
Push
button
CROS II-312
CROS II-13
Tube
Tube
Speaker dummy
(without earpiece attached)
Speaker dummy
(without earpiece attached)
Battery
door
Battery
door
Volume
control
Dome
SlimTip
Classic earmold*
* for CROS II-13 only
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3. Left & right CROS device markings
CROS II-312 only:
To open the battery door, pull down
the ridge at the bottom of the device.
There is a red or blue marking to tell you if it is a left or a
right device.
Blue marking for
left device.
Red marking for
right device.
CROS II-312 CROS II-13
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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
1 2 3
Remove the
sticker from the
new battery.
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
If it is dicult 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.
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Model
CROS II-312
CROS II-13
Zinc air
battery
size
312
13
Color
marking on
package
brown
orange
IEC
code
PR41
PR48
ANSI
code
7002ZD
7000ZD
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 marking on the inner side of the
battery door.
• Checking the following table.
change the battery (this can vary, depending on the
battery). We recommend that you always have a new
battery at hand.
Please ensure you use the correct type of zinc-air
battery in your CROS device. Please also
read chapter 15.2 for further information on
product safety.
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6. Putting on your CROS device
6.1 Putting on your CROS device with a dome or SlimTip
1
2
3
Place the CROS device behind
your ear.
Insert the earpiece into your
ear canal.
If there is an anchor attached
to the earpiece, tuck it into the
bowl of your ear to secure your
CROS device.
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6.2 Putting on your CROS II-13 device with a
classic earmold
1
2
3
Take the earmold up to your ear
and place the canal portion into
your ear canal.
Place the CROS device behind
your ear.
Insert the upper part of the
earmold into the upper part of
the bowl of your ear.
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