Sennheiser ActiveGard CC 520 User manual

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CC_520_540_550.book Seite 1 Donnerstag, 10. April 2003 3:07 15

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

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

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.

CC_520_540_550.book Seite 4 Donnerstag, 10. April 2003 3:07 15

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

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.

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.

CC_520_540_550.book Seite 6 Donnerstag, 10. April 2003 3:07 15

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).

CC_520_540_550.book Seite 7 Donnerstag, 10. April 2003 3:07 15

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.

CC_520_540_550.book Seite 8 Donnerstag, 10. April 2003 3:07 15

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

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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