Sennheiser ActiveGard CC 520 User manual
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CC_520_540_550.book Seite 1 Donnerstag, 10. April 2003 3:07 15
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The CC 520/540/550 headset
The CC 520/540/550 is a binaural headset with two
active earcups.
Via a telephone-specific adapter cable, you can connect
the headset to all standard telephones or Call Center
systems.
The headset is extremely comfortable to wear due to:
• ultra-lightweight design
• soft ear pad
• adjustable headband
• single-sided cable
• microphone that can be adjusted for left or right-hand
use
The specially developed “Active Anti-Shock” system
protects your ears from excessive volume. The micro-
phone’s “Ultra Noise Cancelling” technology effectively
filters out ambient noise.
If the headset is connected to a Sennheiser Communi-
cations Universal Interface (accessory), you can switch
between the handset and the headset and make use of
the many additional options offered.
CC_520_540_550.book Seite 2 Donnerstag, 10. April 2003 3:07 15
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Contents of the packing unit
A— Headset with two earcups , microphone
boom , headband , headset cable with one
half of the “Easy Disconnect” facility
— Cable clip
— Storage bag
— 2 replacement ear pads
— 3 colored identification clips
You additionally require a telephone-specific adapter
cable (accessory) that is available from your specialist
dealer.
Safety instructions
Do not use the headset in a damp or dusty environment.
CC_520_540_550.book Seite 3 Donnerstag, 10. April 2003 3:07 15
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Putting the headset into operation
Connection options
The headset is not directly connected to the telephone
but via a telephone-specific adapter cable (accessory).
Connection of the headset to the adapter cable is via the
“Easy Disconnect” facility.
There are three connection options:
• The adapter cable is connected to the telephone
instead of the handset.
• The adapter cable is connected to the telephone in
addition to the handset.
• The adapter cable is connected to a Universal
Interface (accessory).
Connecting the adapter cable to the telephone’s hand-
set socket
Pull the Western plug of the handset cable out of the
telephone.
Connect the Western plug of the adapter cable to the
handset socket on the telephone until it locks into place.
An audible “click” should be heard.
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Directly connecting the adapter cable to the telephone
Some telephones feature an additional socket to which
you can connect a second handset or a headset.
Connect the Western plug of the adapter cable to this
socket until it locks into place. An audible “click” should
be heard.
Connecting the headset to a Universal Interface
For connecting the headset to a Universal Interface, please
refer to the operating instructions of the Universal Interface.
The “Easy disconnect” facility
The headset is connected to the adapter cable via an
“Easy Disconnect” facility. During a converation, you can
leave your telephone while holding the call by simply
disconnecting the headset from the “Easy Disconnect”
facility. This allows you to move around freely without
having to put off the headset. As soon as you re-connect
the two halves of the “Easy Disconnect” facility, you can
continue your call.
BTo connect the headset to the “Easy Disconnect”
facility, plug in one half of the “Easy Disconnect”
facility into the other half until it locks into place. An
audible “click” should be heard.
CTo disconnect the headset from the “Easy
Disconnect” facility, press one of the two release
buttons . The two halves of the “Easy Disconnect”
facility automatically disconnect.
CC_520_540_550.book Seite 5 Donnerstag, 10. April 2003 3:07 15
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Wearing the headset
DPut the headset on.
ETurn the microphone boom towards your mouth.
FAdjust the length of the headband so that the ear pad
exerts even, gentle pressure on your ear.
G
Adjust the headband so that a snug fit is ensured. If
the headband does not properly fit your head, grasp
the middle part of the headband and carefully bend it.
HThe headset features a flexible microphone boom .
Bend the microphone boom so that the microphone
is placed at the corner of the mouth. Maintain a
distance of approx. 1 cm between microphone and
mouth.
The cable clip
IAffix the headset cable to the clothing by means of the
supplied cable clip. Attach the cable clip so that you
can freely move your head.
The colored identification clips
JThe colored identification clips (supplied) help to
differentiate between individual headsets.
Slide the identification clip onto the headband from
the top until it locks into place. An audible “click”
should be heard.
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When is the headset ready for operation?
The headset is ready for operation as soon as it is
connected – via an adapter cable – to your telephone or a
Universal Interface. If you disconnect the headset from
the telephone or Universal Interface, it is out of
operation.
Replacing the ear pad
KGrasp behind the ear pad and pull it up and away
from the earcup. Slide the new ear pad onto the
earcup.
Cleaning the headset
For cleaning the headset, only use a dry or slightly damp
soft cloth. Do not use any solvents or cleansing agents
as these can damage the varnish of the headset. If
necessary, the ear pad can be cleaned with soapy water
(use a mild cleanser such as washing-up liquid).
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Transportation and storage
For space-saving transportation or storage, the earcup
can be folded up and the microphone can be turned into
the “rest” position.
LTurn the microphone into the “rest” position as
shown. Rotate the earcup by 90°.
To prevent the headset from being damaged, always use
the supplied storage bag for transportion and storage.
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If problems occur...
If the problem persists, please contact your local
Sennheiser Communications agent for assistance.
Never repair or attempt to repair the units as this will
invalidate the warranty.
Problem What to do
The other party cannot hear you.
Make sure that the cables
are connected correctly.
You cannot hear the other party.
The headset does not properly
fit your head. Adjust the headband.
CC_520_540_550.book Seite 9 Donnerstag, 10. April 2003 3:07 15
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Accessories and replacement parts
The following accessories and replacement parts are
available from your specialist dealer:
Accessory /
Replacement part
Cat. No.
Adapter cable available from your
specialist dealer
Leatherette ear pad 91530 (CC 520)
91531 (CC 540)
91532 (CC 550)
Foam ear pad 91527 (CC 520)
91528 (CC 540)
91529 (CC 550)
Cable clip 91552
3 colored identification clips 91543
10 colored identification clips 91544
UI 710 Universal Interface 09882
UI 720 Universal Interface 09883
UI 730 Universal Interface 09884
UI 740 Universal Interface 09885
UI 750 Universal Interface 09886
CC_520_540_550.book Seite 10 Donnerstag, 10. April 2003 3:07 15
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