Sennheiser Headphones CXC 700 User Guide
CXC 700  
Ear canal phones with  
digital NoiseGard  
for travel  
Instruction manual  
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Contents  
Contents  
Important safety instructions ...........2  
Delivery includes ..................................6  
Product overview .................................7  
Putting the CXC 700 into operation .. 8  
Inserting/changing the battery ....9  
Exchanging the ear adapters ........9  
Connecting the ear canal  
phones to the audio source ........ 10  
Using the CXC 700 ............................ 11  
Adjusting the volume/  
routing the cable ........................... 11  
Switching NoiseGard on/off ....... 13  
Individually adapting  
NoiseGardTM ................................... 15  
Switching TalkThrough on/off ... 19  
Storing the CXC 700 ......................... 20  
Cleaning and maintaining ............... 21  
Specifications ..................................... 23  
Manufacturer Declarations ............. 24  
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CXC 700 | 1  
Important safety instructions  
Important safety  
instructions  
In order to prevent health problems:  
̈ Set the volume to a low level before  
inserting the ear canal phones into  
your ears.  
̈ Avoid listening at high volume levels  
for long periods of time.  
̈ Mount the suitable ear adapters  
(S, M or L) to the ear canal phones.  
Do not insert the ear canal phones  
too deep into your ears and never  
insert them without ear adapters.  
̈ Always insert and extract the ear  
canal phones from your ears very  
carefully and slowly.  
The product generates stronger perma-  
nent magnetic fields that could cause  
interference with cardiac pacemakers  
and implanted defibrillators (ICDs).  
̈ Always maintain a distance of at  
least 3.94” (10 cm) between the  
headphone housing and the cardiac  
pacemaker or implanted defibrillator.  
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2 | CXC 700  
Important safety instructions  
In order to prevent accidents:  
Do not use the product in an environ-  
ment that requires your special atten-  
tion (e.g. in traffic).  
̈ Keep the product out of reach of  
children who could swallow smaller  
pieces.  
In order to prevent damage to the  
product:  
̈ Do not expose the product to exces-  
sive heat (hair dryer, heater, etc.)  
and do not store in direct sunlight  
for extended periods.  
̈ Protect the product from humidity.  
Intended use  
Intended use of the product includes  
•
having read this instruction manual,  
especially the chapter “Important  
safety instructions”,  
•
using the product within the oper-  
ating conditions and limitations  
described in this instruction manual.  
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CXC 700 | 3  
Important safety instructions  
“Improper use” means using the product  
other than as described in this instruc-  
tion manual, or under operating condi-  
tions which differ from those described  
herein.  
Safety instructions for batteries  
If abused or misused, batteries may  
leak and, in extreme cases, may even  
present an explosion and fire hazard.  
Sennheiser does not accept any liability  
for damage arising from abuse or  
misuse.  
Keep out of reach of children.  
Do not short-circuit.  
Do not heat above 70°C/  
158°F, e.g. do not expose to  
sunlight or throw into a fire.  
Do not mutilate or dismantle.  
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4 | CXC 700  
Important safety instructions  
Do not continue to use  
defective batteries.  
Immediately remove  
batteries from an obviously  
defective product.  
Remove batteries from the  
product when it is not used  
for extended periods of time.  
Do not expose to moisture.  
Do not charge non-recharge-  
able batteries.  
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CXC 700 | 5  
Delivery includes  
Delivery includes  
CXC 700 ear canal phones  
Ear adapters (size S, M, L),  
size M is pre-mounted to  
the ear canal phones  
S
M
L
Diaphragm guards  
Cleaning tool  
In-flight adapter  
Audio adapter  
AAA size battery, 1.5 V  
Carrying case  
CXC 700  
Ear canal phones with  
digital NoiseGard  
for travel  
Instruction manual  
Instruction manual  
Notice d’emploi  
Instrucciones de uso  
Manual de utilização  
Bedienungsanleitung  
Istruzioni per l’uso  
Gebruiksaanwijzing  
説明書  
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6 | CXC 700  
Product overview  
Accessory parts are available  
from your Sennheiser partner.  
For a list of suitable accessory  
parts, please visit our website at  
www.sennheiser.com > “Service  
& Support”.  
Product overview  
2
1
3
6
4
5
ቢ Volume  
ብ Mode button  
control  
ቦ TalkThrough  
ባ NoiseGardTM  
button  
switch  
ቧ Battery  
ቤ LED  
compartment  
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CXC 700 | 7  
Putting the CXC 700 into operation  
LED ቤ indications  
LED  
Meaning  
lights up  
NoiseGard is switched on  
Battery is almost flat  
flashes  
continuously  
is off  
NoiseGard is switched  
off  
Putting the CXC 700 into  
operation  
For powering the NoiseGard active noise  
compensation, an AAA size battery is  
required. If you are using a recharge-  
able battery, the operating time will be  
reduced.  
When the battery is discharged or not  
inserted:  
̈ Switch NoiseGard off if you want to  
continue listening to your audio  
source (see page 13).  
When the battery is almost empty,  
the LED flashes continuously.  
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8 | CXC 700  
Putting the CXC 700 into operation  
Inserting/changing the battery  
1
2
3
Open the battery compartment.  
Remove the discharged battery  
(where applies).  
Insert  
a
new battery. Observe  
correct polarity when inserting the  
battery.  
Close the battery compartment.  
1
2
3
Exchanging the ear adapters  
1
Carefully remove the ear adapters  
from the ear canal phones.  
2
Mount the desired ear adapters to  
the ear canal phones.  
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CXC 700 | 9  
Putting the CXC 700 into operation  
1
2
S
M
L
Connecting the ear canal phones to  
the audio source  
1
2
1
Connect the audio cable to the head-  
phone socket of your audio source.  
You hear the sound from your audio  
source.  
Slip on the in-flight adapter if you  
wish to use the ear canal phones  
with the in-flight entertainment  
system of the aircraft.  
2
Title 01  
02:21|03:54  
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10 | CXC 700  
Using the CXC 700  
Using the CXC 700  
Adjusting the volume/  
routing the cable  
WARNING  
Interference due to magnetic fields!  
The product generates stronger per-  
manent magnetic fields that could  
cause interference with cardiac  
pacemakers and implanted defibril-  
lators (ICDs).  
̈ Always maintain a distance of  
at least 3.94” (10 cm) between  
the headphone housing and the  
cardiac pacemaker or implanted  
defibrillator.  
WARNING  
Hearing damage due to high volumes!  
Listening at high volume levels for  
long periods can lead to permanent  
hearing defects.  
̈ Set the volume to a low level  
before using the product.  
̈ Do not continuously expose your-  
self to high volumes.  
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CXC 700 | 11  
Using the CXC 700  
1
2
Use the cable slider to adjust the  
length for best fit.  
Use the volume control to set the  
volume to a comfortable level.  
1
2
Vol +  
Vol –  
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12 | CXC 700  
Using the CXC 700  
Switching NoiseGard on/off  
To switch the NoiseGard active noise  
compensation on:  
1
Slide the NoiseGard switch to ON.  
NoiseGard is switched on and your  
audio source is momentarily muted.  
1
To ideally adapt the NoiseGard active  
noise compensation to the current  
noise environment, you can choose  
from 3 different modes:  
NoiseGard Mode 1  
Optimized for:  
Impact:  
Trains, subways,  
Focus on low  
buses, cars, short frequency range  
distance flights  
(100 to 400 Hz)  
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CXC 700 | 13  
 
Using the CXC 700  
NoiseGard Mode 2  
Optimized for:  
Impact:  
Long-haul flights, Focus on mid  
air-conditioned  
rooms  
frequency range  
(400 to 3,000 Hz)  
NoiseGard Mode 3  
Optimized for:  
On-the-go:  
Impact:  
Balance between  
airports, stations, low and mid  
crowds, places with frequency ranges  
loud surroundings (100 to 3,000 Hz)  
in general  
2
Press the Mode button repeatedly  
until external noise is optimally  
isolated.  
The CXC 700 confirms the selected  
mode as follows:  
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14 | CXC 700  
Using the CXC 700  
Mode  
LED  
Beep  
1
2
3
Then, the LED lights up permanently  
again.  
When the battery is completely empty,  
NoiseGard is deactivated. The audio  
source will stay muted until you switch  
NoiseGard off:  
3
Slide the NoiseGard switch to OFF.  
2
3
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CXC 700 | 15  
Using the CXC 700  
Individually adapting NoiseGardTM  
The CXC 700 features a function that  
allows you to individually adapt Noise-  
Gard to the anatomy of your left and  
right ear. For the best possible adjust-  
ment of this function, you need to be in  
a noisy environment (e.g. aircraft).  
Step 1: Slide the NoiseGard switch to  
OFF to switch NoiseGard off. Proceed to  
either step 2a or step 2b.  
1
Selecting the right or left earphone  
Step 2a, right earphone: Press and hold  
the Mode button and slide the Noise-  
Gard switch to ON. Keep the button  
pressed until you hear two beeps and  
the LED flashes rapidly (approx. 5 sec-  
onds). Proceed to step 3.  
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16 | CXC 700  
Using the CXC 700  
R
2a  
ON  
5s  
Step 2b, left earphone: Press and hold  
the TalkThrough button and slide the  
NoiseGard switch to ON. Keep the  
button pressed until you hear two  
beeps and the LED flashes rapidly  
(approx. 5 seconds). Proceed to step 3.  
L
2b  
ON  
5s  
Adapting NoiseGard and storing the  
setting  
Step 3: Press the TalkThrough button or  
the Mode button to individually adapt  
NoiseGard to your needs. You hear a  
beep when the maximum or minimum  
setting is reached.  
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CXC 700 | 17  
Using the CXC 700  
When you have adjusted NoiseGard so  
that external noise is optimally iso-  
lated, wait until you hear a beep and  
the LED lights up (approx. 10 seconds).  
The settings are stored.  
3
Resetting the factory default settings  
̈ Slide the NoiseGard switch to OFF to  
switch NoiseGard off.  
̈ Simultaneously press and hold the  
Mode button and the TalkThrough  
button and slide the NoiseGard  
switch to ON. Keep the buttons  
pressed until you hear three beeps  
(approx. 5 seconds). The NoiseGard  
settings are reset to the factory  
default settings.  
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18 | CXC 700  
Using the CXC 700  
Switching TalkThrough on/off  
TalkThrough enables you  
to communicate with  
flight attendants or seat  
mates, without removing  
the ear canal phones and while Noise-  
Gard is switched on. When activated,  
the ear canal phones filter out  
unwanted ambient noise while  
ensuring excellent speech clarity.  
To switch TalkThrough on:  
1
Press the TalkThrough button.  
You hear a beep. Your audio source  
is muted. The LED flashes rapidly  
until you switch TalkThrough off.  
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CXC 700 | 19  
Storing the CXC 700  
To switch TalkThrough off:  
2
Press the TalkThrough button again.  
You hear your audio source. The LED  
lights up permanently.  
TM  
TM  
TalkThrough ON  
TalkThrough OFF  
1
2
Storing the CXC 700  
̈ Store the ear  
canal phones and  
accessories in the  
carrying case.  
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20 | CXC 700  
Cleaning and maintaining  
Cleaning and maintaining  
CAUTION  
Danger of damage to the ear canal  
phones!  
Solvents and other cleansing agents  
can damage the ear canal phones.  
̈ Use a soft, slightly damp cloth to  
remove dirt from the product.  
For hygiene reasons, clean your ear  
canal phones regularly.  
Replacing the diaphragm guards  
The diaphragm guards protect the dia-  
phragms of the ear canal phones and  
contribute to the sound quality of the  
ear canal phones. Ensure that the dia-  
phragm guards are always installed in  
the ear canal phones.  
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CXC 700 | 21  
Cleaning and maintaining  
To replace the diaphragm guards:  
1
Carefully remove the ear adapters  
from the ear canal phones.  
2
Carefully remove the diaphragm  
guards using the supplied cleaning  
tool or tweezers.  
3
4
Install the new diaphragm guards.  
Mount the ear adapters to the ear  
canal phones.  
1
2
3
4
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22 | CXC 700  
Specifications  
Specifications  
Transducer  
principle  
dynamic, closed  
20 Hz to 21 kHz  
0 – 40°C  
Frequency  
response  
Operating  
temperature  
Nominal  
impedance  
45 – 300  
SPL  
108 dB  
(1 kHz/1V  
)
rms  
THD at 1 kHz  
< 0.5%  
Noise attenuation active: –23 dB  
passive: –25 dB  
Audio connector 3.5 mm jack plug  
In-flight adapter 3.5 mm double  
mono jack plug  
Audio adapter  
6.35 mm stereo  
jack plug  
Cable length  
1.6 m  
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CXC 700 | 23  
Manufacturer Declarations  
Weight  
(incl. battery)  
approx. 44 g  
NoiseGard  
power supply  
1 AAA size  
battery, 1.5 V  
Operating time  
approx. 16 hrs  
Manufacturer Declarations  
Warranty  
Sennheiser electronic GmbH & Co. KG  
gives a warranty of 24 months on this  
product.  
For the current warranty conditions,  
please visit our website at  
www.sennheiser.com or contact your  
Sennheiser partner.  
Declaration of Conformity  
This product is in compliance with the  
essential requirements and other rele-  
vant provisions of directives:  
•
•
•
•
EMC Directive (2004/108/EC)  
RoHS Directive (2002/95/EC)  
WEEE Directive (2002/96/EC)  
Battery Directive (2006/66/EC)  
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24 | CXC 700  
Manufacturer Declarations  
The declarations are available on  
the Internet at www.sennheiser.com.  
Before putting the product into opera-  
tion, observe the respective country-  
specific regulations!  
In compliance with:  
USA  
FCC Part 15b  
ICES-003  
Canada  
Europe  
Australia/  
New  
Zealand  
China  
15  
NoiseGardTM is a registered trademark  
of Sennheiser electronic GmbH & Co. KG.  
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CXC 700 | 25  
Manufacturer Declarations  
Statements regarding FCC and  
Industry Canada  
FCC Declaration of Conformity (DoC)  
SENNHEISER  
Model No: CXC 700  
We,  
Sennheiser Electronic Corporation  
One Enterprise Drive  
CT 06371 USA  
•
Old Lyme  
•
•
Tel: +1 (860) 434 9190, ext. 144  
Fax: +1 (860) 434 1759  
declare the above device comply with the requirements of Federal Communications Commission.  
This device complies with Part 15 of the FCC rules. Operation is subjected to the following two conditions:  
1) This device may not cause harmful interference, and  
2) This device must accept any interference received, including interference that may cause undesired operation.  
Responsible Party: John Falcone  
This device complies with Part 15 subpart  
b of the FCC Rules. Operation is subject to  
the following two conditions: (1) this  
device may not cause harmful interfer-  
ence, and (2) this device must accept any  
interference received, including interfer-  
ence that may cause undesired operation.  
This equipment has been tested and  
found to comply with the limits for a Class  
B digital device, pursuant to Part 15 of the  
FCC Rules. These limits are designed to  
provide reasonable protection against  
harmful interference in a residential  
installation. This equipment generates,  
uses and can radiate radio frequency  
energy and, if not installed and used in  
accordance with the instructions, may  
cause harmful interference to radio com-  
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26 | CXC 700  
Manufacturer Declarations  
munications. However, there is no guar-  
antee that interference will not occur in  
a particular installation. If this equipment  
does cause harmful interference to radio  
or television reception, which can be  
determined by turning the equipment off  
and on, the user is encouraged to try to  
correct the interference by one or more of  
the following measures:  
•
•
•
Reorient or relocate the receiving  
antenna.  
Increase the separation between the  
equipment and receiver.  
Connect the equipment into an outlet  
on a circuit different from that to  
which the receiver is connected.  
Consult the dealer or an experienced  
radio/TV technician for help.  
•
Changes or modifications made to this  
equipment not expressly approved by  
Sennheiser electronic Corp. may void FCC  
authorization to operate this equipment.  
This class B digital apparatus complies  
with the Canadian ICES-003.  
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CXC 700 | 27  

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