DECT Headset System
DW Office
Instruction manual
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Contents
Contents
Important safety information ................................................................................... 2
The DW Office wireless headset system ............................................................... 4
Delivery includes ............................................................................................................. 5
Product overview ............................................................................................................ 6
Base station ................................................................................................................. 6
Headset ......................................................................................................................... 7
Overview of the buttons .............................................................................................. 8
Overview of the LEDs ..................................................................................................... 9
Putting the headset system into operation ..................................................... 10
Putting the headset into operation ................................................................ 16
Adjusting advanced settings ............................................................................. 20
Using the headset system ........................................................................................ 22
Switching the headset on/off ........................................................................... 23
Putting the headset on and adjusting it ....................................................... 24
Calling via the fixed line phone using the headset ................................... 24
Calling via the PC using the headset ............................................................... 26
Adjusting the volume ........................................................................................... 28
Muting the headset’s microphone .................................................................. 29
Using the advanced functions .......................................................................... 29
If you leave the DECT range ............................................................................... 31
Cleaning and maintaining the headset system .............................................. 32
Replacing the ear pad of the headband ........................................................ 33
Replacing the headset’s rechargeable battery ........................................... 34
If a problem occurs ..................................................................................................... 35
Accessories and spare parts .................................................................................... 36
Specifications ................................................................................................................. 37
Manufacturer Declarations ...................................................................................... 39
Index .................................................................................................................................. 41
1
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Important safety information
Important safety information
•
Please read these instructions carefully and completely before using
the product.
•
Make these instructions easily accessible to all users at all times.
Always include these instructions when passing the product on to third
parties.
•
•
•
Do not use the product in situations which require special attention
(e.g. when performing skilled jobs).
Always keep the product dry and do not expose it to extreme tempera-
tures (normal operating temperatures: +5°C/+41°F to +45°C/+113°F).
Use the product with care and store it in a clean, dust-free environ-
ment.
•
•
Switch off the headset after use to conserve battery power.
Only use the DW Office base station for charging DW Office headsets
fitted with the DW Office rechargeable battery. Never try to charge
other rechargeable batteries or non-rechargeable batteries in the
DW Office base station.
•
•
•
Do not short-circuit the contacts of the product. Make sure that no
metal objects (e.g. paper clips, hair pins, earrings) come into contact
with the interfaces and contacts.
Sennheiser Communications is not liable for damages resulting from
the loss of connection due to a run flat battery, an old battery or
exceeding the DECT transmission range.
This equipment generates, uses and can radiate radio frequency energy
and, if not used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation.
•
The DW Office headset contains magnets that generate a magnetic
field which could cause interference with cardiac pacemakers and
implanted defibrillators. Keep the DW Office headset at least 1.2”
(3 cm) from cardiac pacemakers or implanted defibrillators!
•
•
•
Protect your hearing from high volume levels.
Only use the mains units supplied by Sennheiser Communications.
To reduce the risk of fire or electric shock, do not use the product near
water and do not expose it to rain or moisture.
•
Unplug the mains unit from the wall socket
– to completely disconnect the product from the mains
– during lightning storms or
– when unused for long periods of time.
•
•
Only operate the mains unit from the type of power source specified in
Ensure that the mains unit is
– in a safe operating condition and easily accessible,
– properly plugged into the wall socket,
– only operated within the permissible temperature range,
– not covered or exposed to direct sunlight for longer periods of time
in order to prevent heat accumulation (see “Specifications” on
page 37).
2
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Important safety information
•
•
Do not operate the product near any heat sources.
Only use attachments/accessories specified by Sennheiser Communi-
•
Keep plastic wrap and plastic bags of the packaging out of reach of
children – danger of suffocation!
Intended use
Intended use of the product includes
•
having read this instruction manual, especially the chapter “Important
•
using the product within the operating conditions and limitations
described in this instruction manual.
“Improper use” means using the product other than as described in this
instruction manual, or under operating conditions which differ from those
described herein.
Safety instructions for the Lithium-Polymer rechargeable batteries
If abused or misused, rechargeable batteries may leak. In extreme cases,
rechargeable batteries may even present
•
•
•
•
a heat hazard,
a fire hazard,
an explosion hazard,
a smoke or gas hazard.
Please understand that Sennheiser Communications does not accept
liability for damage arising from abuse or misuse.
Keep away from children.
Do not short-circuit.
Do not expose to moisture.
Do not heat above +45°C/
+113°F, e.g. do not expose to
sunlight or throw into a fire.
Do not mutilate or dismantle.
Do not charge the rechargeable
battery if the device is obviously
defective.
Only charge rechargeable
batteries at ambient tempera-
tures between +5°C/+41°F to
+45°C/+113°F.
Only charge rechargeable
batteries with an appropriate
Sennheiser Communications
charger.
When not using rechargeable
batteries for extended periods
of time, charge them regularly
(every six months for about one
hour).
Store in a cool and dry place
at room temperature (approx.
20°C/68°F).
Return defective devices or devices with defective rechargeable batteries
to your specialist dealer.
3
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The DW Office wireless headset system
The DW Office wireless headset system
The Sennheiser Communications DW Office is a wireless DECT headset
system which is intended for professional office use.
•
•
•
Can be used with a fixed line phone or PC (VoIP)
Quick link establishment between headset and base station
Excellent sound quality in narrowband and wideband mode ensures
optimum speech intelligibility
•
•
Range of up to 180 m outdoors and up to 55 m indoors
Monaural headset with 2 wearing styles:
– earhook or
– headband with ear pad
•
Noise cancelling microphone for optimum speech intelligibility without
annoying background noise
•
•
•
Permits conference calls with up to 4 headsets
Quick and easy pairing of a new headset
Long battery operating time:
– up to 12 hours of talk time in narrowband mode
– up to 8 hours of talk time in wideband mode
– up to 4 days of standby time
•
•
Quick and convenient charging of the headset (1 hour)
HeadSetup software for convenient call control and headset manage-
ment via a PC
•
Headset can be integrated into existing DECT GAP systems
DECT
The Sennheiser Communications DW Office wireless headset system uses
DECT radio technology. Due to a dynamic adjustment of the transmission
power, the DECT technology offers an increased transmission range,
minimized radiation exposure and has a good energy efficiency.
Encrypted radio transmission provides maximum security for wireless
communication.
4
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Delivery includes
Delivery includes
1
1
4
1
1
1
1
1
1
1
1
1
base station
headset with built-in rechargeable battery
earhooks (size S (pre-installed), M, L and XL)
headband
name plate with cheek spacer (pre-installed)
name plate
mains unit
telephone cable
USB cable
safety guide (booklet with important safety information)
quick guide
CD ROM (including, among other things, the HeadSetup software and
a detailed instruction manual as PDF)
5
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Product overview
Product overview
Base station
·
¶
³
º
²
»
¾
µ
¿
´
Ƹ
¹
¸
ƺ
ƻ
Ƽ
ƹ
ƽ
µ ACC socket
³ PC button with LED
· Charging contacts
» PHONE button with LED
¿ LINK LED
¸ DIP switch row 1 to 6
¹ DC IN socket
Ƹ PC socket (USB)
ƹ Cover with overview of DIP switch assignment
ƺ Mains unit
´ CHARGE STATUS LED
² ABC switch
ƻ DC IN connector
¶ Microphone volume control
º Phone socket
Ƽ Telephone cable
ƽ USB cable
¾ Handset socket
6
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Product overview
Headset
B
0
9
8
7
6
C
A
5
1
4
3
2
D
E
ቢ Microphone
ቪ Battery compartment cover
ቫ Earpiece
ባ Name plate with cheek spacer
ቤ HEADSET LED
ቭ Name plate
ብ LINK button
ቮ Headband
ቦ AUDIO button
ቯ Charging contacts
ተ Ear pad
ቧ Earhook (size S, M, L, XL)
ቨ Charging contacts
ቩ Earhook slot
ቱ Headset holder
7
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Overview of the buttons
Overview of the buttons
Base station
Action
Button
Functions
Page
³
»
Selects the Phone mode
̈ Press the
PHONE button
link between headset and
base station
Accepts/ends a call (with
electronic call control/
handset lifter)
Selects the PC mode
̈ Press the
PC button
Establishes/disconnects
the wireless link between
headset and base station
Accepts/ends a call
(depending on the
softphone used)
Headset
Action
Button
Functions
Page
Establishes/disconnects
the link between headset
and base station
̈ Press the
LINK button
electronic call control/
handset lifter or
5
4
depending on the
softphone used)
Switches the headset
on/off
̈ Press and hold the
5 s
LINK button
for 5 seconds
Increases/reduces the
ring tone volume, the
volume of the acoustic
signals or the audio
volume by 1 step
̈ Push the
AUDIO button ቦ
upwards/downwards
Mutes the microphone/
unmutes the microphone
̈ Press the
AUDIO button ቦ
Setting mode
̈ Press and hold the
the AUDIO button ቦ
for 5 seconds
5 s
GAP pairing mode
+
the AUDIO button ቦ
8
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Overview of the LEDs
Overview of the LEDs
Base station
³
Meaning
LED of the PC button
lights up
»
PC mode
flashes
Incoming PC call
LED of the PHONE button
lights up
Meaning
Phone mode
¿
´
flashes
Incoming telephone call
LINK LED ¿
lights up blue
lights up red
flashes red
is off
Meaning
Active link to the headset
No link to the headset
Headset is muted
Standby mode
Base station is switched off
(not powered)
´
CHARGE STATUS LED ´
LED segment* Battery charge
Required charging time
1
2
3
4
0-25%
approx. 10 min
total:
approx.
60 min
25-50%
50-75%
75-100%
approx. 10 min
approx. 20 min
approx. 20 min
* during charging, each segment gets brighter in 5 steps
When the LED segment 1 flashes in rapid succession, the battery is
almost flat. You have to recharge the battery within the next few
Headset
HEADSET LED ቤ
Meaning
lights up blue
Charging mode
(when placed into base station)
flashes blue slowly
flashes red
if off
Active link to base station
Rechargeable battery is almost flat
Standby mode
Headset is switched off
3
flashes blue/red
Setting mode/GAP pairing mode
Pairing of an additional headset to the
base station
9
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Putting the headset system into operation
Putting the headset system into
operation
Putting the base station into operation
You can use the headset system with your fixed line phone (Phone mode)
and/or your PC (PC mode). The base station controls the wireless commu-
nication between the products.
Removing/attaching the cover
To remove the cover:
ƹ
To attach the cover and to secure the connected cables:
ƹ
ƹ
10
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Putting the headset system into operation
Connecting the base station to the mains
The base station is ready for operation as soon as it is connected to
the mains.
¹
ƻ
³
»
When using the headset system only in PC mode, the power from
the PC via the USB cable is sufficient to power the base station.
All other modes require the mains unit.
¿
Connecting the base station to a fixed line phone
If your telephone features a headset socket for connecting the electronic
call control, please use this socket.
To connect the base station to a fixed line telephone, choose one of the
follow options:
Possibility Connection
to a fixed line phone without headset socket
A
to a fixed line phone with headset socket
B
of an optional mechanical handset lifter
C
A
B
(with connection possibilities and only)
to an optional electronic hook switch control (EHS)
D
A
̈ Choose your connection possibility and proceed as described under
,
B
C
D
,
or on the following pages.
For additional information on the individual settings for the
11
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Putting the headset system into operation
Connection to a fixed line
̈ Disconnect the handset cable from the telephone.
A
phone without
headset socket
handset socket on the telephone.
º
¾
Ƽ
Connection to a fixed line
phone with headset socket
B
headset socket on the telephone.
º
Ƽ
12
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Putting the headset system into operation
Connection of an optional
mechanical handset lifter
(with connection possibili-
You can also connect the HSL 10 mechanical handset lifter from Sennheiser
C
A
̈ Connect the base station to the fixed line phone as described under
A
B
ties and only)
B
or
.
µ
̈ Connect the handset lifter to the fixed line phone as described in the
instruction manual of the handset lifter.
If your telephone has a built-in electronic hook switch, supporting either
the DHSG or the MSH standard, you require the corresponding connection
cables. Other hook switch standards require suitable adapter cables which
convert the control signals to the DHSG standard. Both the connections
cables and the adapter cables are availalble as accessories (see “Accesso-
Connection to an optional
electronic hook switch
control (EHS)
D
DHSG standard
DHSG cable
e.g. Siemens, Aastra, Agfeo, etc.
DW Office DHSG setting
Other standards
Adapter cable
e.g. Cisco, Avaya, Polycom
DW Office DHSG setting
If your telephone has a built-in electronic hook switch supporting the DHSG
or the any other hook switch standard (except for the MSH standard):
13
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Putting the headset system into operation
MSH standard
MSH cable
e.g. Alcatel
DW Office MSH setting
If your telephone has a built-in electronic hook switch supporting the MSH
standard:
The necessary connection and adapter cables are available from your
Sennheiser partner. For additional information, please visit our website at
Setting up the base station
̈ Place the base station at a minimum distance of 15 to 20 cm from the
fixed line phone.
Connecting the base station to a PC
You can connect the headset system to a PC in order to use it for Internet
telephone (VoIP) with softphones or multimedia applications.
your PC.
The operating system detects the USB audio device “Sennheiser DECT”
and installs the necessary drivers.
ƽ
Ƹ
14
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Putting the headset system into operation
Installing the HeadSetup software
The HeadSetup software enables the headset system to communicate with
a wide variety of softphones and allows you to use the call control func-
tions.
For updates and additional information on the HeadSetup software, please
Specifications of the version 1.0
File size
approx. 16 MB
Supported operating systems Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows Vista
Microsoft Windows 7
Supported softphones
Cisco IP Communicator Version 2.0 - 2.1
Avaya IP Softphone 4.0x - 5.0x - 6.0x
Skype
AOL Instant Messenger
To install the HeadSetup software:
̈ Run the “Setup.exe” file in the “HeadSetup” folder on the CD ROM and
follow the instructions of the install program.
Additional information can be found in the Help section of the software:
̈ Click the “Help ...” button.
15
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Putting the headset system into operation
Putting the headset into operation
The headset comes with earhooks in different sizes and a headband with
ear pad and can be worn on the left or right ear.
Before using the headset for the first time, charge the rechargeable
Attaching the earhook
6
8
Attaching the headband
E
A
2
Identifying the headset
̈ Change the lettering of the name plate.
The “Name” program included on the CD enables you to create and
print individual name plates.
2
A
16
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Putting the headset system into operation
Swapping the assignment of the AUDIO button ቦ
whether you wear the headset on the right or left ear. By default, the
headset is configured for wearing on the right ear. Pushing the AUDIO
̈ Simultaneously press and hold the headset’s LINK button
ብ and
The headset switches to standby mode.
5
5 s
Right
4
3
Left
Testing the headset system in Phone mode and
adjusting it
Testing the telephone connection
The base station is set to Phone mode and the LED of the PHONE button
» lights up white.
A wireless link is established between the headset and the base
blue.
»
4
¿
3
17
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Putting the headset system into operation
̈ Lift the handset (If a handset lifter is connected, it automatically lifts
the handset).
The system is correctly connected if you can hear a clear dial tone and
if the other party can hear you at a comfortable level. If the audio
signal/dial tone is disturbed, adjust the audio signal (see next section).
If the other party cannot hear you well, adjust the microphone sensi-
tivity (see below).
Adjusting the audio signal
̈ Set the ABC switch to A (default setting), B or C so that you can hear a
clear signal (e.g. a dial tone) in the headset.
²
Adjusting the microphone sensitivity
and position 5. This setting is suitable for most telephones and your voice
gets reproduced at a good volume. To change the volume, adjust the
microphone volume control accordingly.
̈ Make a call to someone who will help you find the correct sensitivity
at a comfortable level.
¶
18
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Putting the headset system into operation
Testing the headset system in PC mode and adjusting it
Testing the PC connection
white):
The base station is set to PC mode and the LED of the PC button
lights up white.
³ on the base station.
A wireless link is established between the headset and the base
blue.
4
³
¿
3
̈ Make a call to someone who will help you adjust the correct microphone
sensitivity for PC mode (see below).
The system is correctly connected if the other party can hear you at a
comfortable level.
Adjusting the microphone sensitivity
̈ Depending on the operating system used, adjust the microphone sensi-
tivity so that the other party can hear you at a comfortable level (see
the instruction manual of your operating system).
Some softphones provide automatic adjustment of the microphone
sensitivity. If possible, activate this function in order to be able to
use the headset microphone to the full.
19
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Putting the headset system into operation
Adjusting advanced settings
individual needs. By default, all DIP switches are set to the upper position.
̈ If necessary, disconnect an existing wireless link between base station
̈ Use a pointed object (e.g. a pen) to set the DIP switches to the desired
position.
Configuring the handset lifter/hook switch – DIP switch 1 and 2
Switch position
Function
Manual operation
Lifts/hangs up the handset manually or using
the handset lifter.
Electronic hook switch (DHSG standard)
Call control via the DW Office headset system.
Electronic hook switch (MSH standard)
Call control via the DW Office headset system.
Manual operation
Lifts/hangs up the handset manually or using
the handset lifter.
Adjusting the radio range – DIP switch 3
If many DECT systems are operated in a confined space, interference can
occur. In this case, you should change the radio range.
Switch position
Function
Standard radio range
Reduced radio range
Use this setting in order to avoid interference with other
DECT systems.
20
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Putting the headset system into operation
Automatically establishing the wireless link between headset and
base station – DIP switch 4
Switch position
Function
Switched off
You have to manually establish the wireless link
Switched on
When taking the headset out of the base station, a wire-
less link is automatically established between headset
and base station.
Switching between wideband and narrowband mode – DIP switch 5
Switch position
Function
Wideband mode
Automatic frequency adjustment of wideband and
narrowband calls in PC and Phone mode.
Battery life: 8 hours
Narrowband mode
Narrowband audio transmission in PC and Phone mode.
Battery life: 12 hours
Limiting the volume – DIP switch 6
Switch position
Function
Standard limitation
Limited volume (country specific)
• AU version:
in compliance with Directive AS/ACIF S004:2008
• EU and US version:
in compliance with Directive 2003/10/EC
21
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Using the headset system
Using the headset system
Charging the headset rechargeable battery
If you charge the rechargeable battery for the first time, allow charging for
at least 20 minutes without interruption. A complete charging process
takes about 60 minutes. You can interrupt charging at any time without
damaging the rechargeable battery.
Operating time with a fully charged rechargeable battery:
Talk time/standby time
12 hours
Mode
standby mode
8 hours
4 days
To charge the headset rechargeable battery:
̈ Place the headset into the magnetic holder of the base station.
indicates the battery charge:
LED segment*
Battery charge
0-25%
Required charging time
1
2
3
4
approx. 10 min
total:
3
25-50%
approx. 10 min
approx. 20 min
approx. 20 min
approx.
60 min
50-75%
75-100%
* during charging, each segment gets brighter in 5 steps
´
To stop the charging process:
̈ Take the headset out of the base station.
the headset.
When the battery is about to run flat ...
... you hear a low battery warning (three beeps)in the headset.
... you have several minutes of battery reserve.
When the battery is flat, the headset switches off.
If the headset is outside the range of the base station, it will switch
off after 30 minutes in order to conserve battery power.
22
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Using the headset system
Switching the headset on/off
If you place the headset into the base station, the headset automat-
ically switches to standby mode. In standby mode, the power
consumption is very low and the radiated power is reduced to a
battery is being charged.
Switching the headset on
base station is established (where required). An ascending confirma-
tion beep is heard in the headset.
4
3
Switching the headset off
Establishing a wireless link between headset and
base station
To establish a wireless link between headset and base station:
To disconnect a wireless link between headset and base station:
off.
4
3
³
You can also establish or disconnect the wireless link by pressing
»
If your telephone has a built-in electronic hook switch supporting
less link between headset and base station by placing the headset
into the base station. The control signals (“accept a call”, “end a
call”) of the headset are still transmitted to the electronic hook
switch without.
¿
23
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Using the headset system
Putting the headset on and adjusting it
Wearing the headset with the earhook
̈ Place the earhook behind your ear so that it follows the contour of your
ear.
̈ Adjust the headset so that a comfortable and secure fit is ensured.
6
Wearing the headset with the headband
̈ Orient the microphone towards your mouth.
B
D
Calling via the fixed line phone using the headset
Accepting an incoming call
You hear the ring tone of the fixed line phone:
̈ Put on the headset and establish a wireless link between headset and
24
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Using the headset system
If a handset lifter/electronic hook switch is used, the call is automati-
cally accepted.
If you receive a call and a handset lifter/electronic hook switch with
ring tone detection is used, you hear a ring tone in the headset and
If no handset lifter/electronic hook switch is used:
̈ Accept the call by lifting the handset or by pressing the “accept call”
button on your fixed line phone.
Making a call
If a handset lifter/electronic hook switch is used:
̈ Dial the desired number.
̈ Put on the headset and establish a wireless link between headset and
The phone connection is established automatically.
If no handset lifter/electronic hook switch is used:
̈ Put the headset on and establish a wireless link between headset and
̈ Lift the handset and dial the desired number.
The phone connection is established.
25
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Using the headset system
Ending a call
̈ Disconnect the wireless link between headset and base station (see
If a handset lifter/electronic hook switch is used, the call is automati-
cally ended.
If no handset lifter/electronic hook switch is used:
̈ Hang up the handset or press the “end call” button on your fixed line
phone.
Transferring a call from the headset to the fixed line phone and vice versa
This function is only available if no handset lifter/electronic hook switch is
used or if your fixed line phone supports this function.
̈ Speak into the headset.
̈ Speak into the handset.
Calling via the PC using the headset
Accepting an incoming PC call
If you receive a call on your softphone:
̈ Establish a wireless link between headset and base station (see
̈ Accept the call using your softphone. If the call control function of
your softphone is supported, the call is automatically accepted
If you receive a call and if the call control function of your softphone
white.
26
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Using the headset system
Making a PC call
̈ Establish a wireless link between headset and base station (see
̈ Make the call using your softphone.
Ending a PC call
̈ Disconnect the wireless link between headset and base station (see
̈ End the call using your softphone. If the call control function of your
Reproducing PC audio via the headset
The HeadSetup software allows you to listen to all PC audio via the
headset.
To activate/deactivate the reproduction of PC audio via the headset:
̈ In the HeadSetup software, activate/deactivate the “Always Audio”
function by clicking the corresponding button.
All PC audio is permanently reproduced via the headset. The wireless
link between headset and base station remains permanently estab-
lished.
If the “Always Audio” function is deactivated, the icon on the button is
crossed out in red.
If the “Always Audio” function is activated, you can still accept calls
via the Phone mode. After ending the call, the base station auto-
matically switches back to PC mode and all PC audio is reproduced
via the headset.
27
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Using the headset system
Switching between Phone and PC mode
You can switch between Phone and PC mode and accept calls of the other
mode.
to select the desired mode.
The LED of the PC button
³ or the LED of the PHONE button
lights up white, indicating the selected mode.
ᕡ
ᕣ
Adjusting the volume
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 medium level.
̈ Do not continuously expose yourself to high volumes.
In order to be able to adjust the volume of the ring tone and the acoustic
signals, the headset has to be in standby mode. In order to be able to
adjust the audio volume, a wireless link has to be established between
or by using the volume control of your operating system (see the
instruction manual of your operating system).
The volumes can be adjusted in several steps. When the minimum or
maximum volume is reached, you hear a double beep in the headset.
̈ To increase or reduce the volume step-by-step, push the AUDIO
Vol –
Vol +
on whether you wear the headset on the right or left ear (see
5
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Using the headset system
Muting the headset’s microphone
base station lights up blue):
The microphone is muted. While the microphone is muted, you hear a
station flashes red.
5
To unmute the headset’s microphone:
You hear a low confirmation beep in the headset.
or
̈ Disconnect the wireless link between headset and base station (see
again.
¿
Using the advanced functions
Pairing additional headsets for shared use
You can use one DW Office base station with different DW Office headsets.
This can be advantageous if you share a telephone workplace. The last
headset paired to the base station can be used without more ado.
If no wireless link is established between headset and base station:
̈ Place the additional headset into the magnetic holder of the base
station.
During pairing of the headset to the base station, the HEADSET LED ቤ
up blue. You can now use the newly paired headset.
Holding a conference call
The headset system allows you to hold a conference call with up to 4 head-
sets. The master headset is used to control the conference call and up to
3 additional guest headsets can participate in the conference call.
GUEST
MASTER
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Using the headset system
To start the conference call using the master headset:
̈ Establish a wireless link between headset and base station (the LINK
To add a guest headset to the conference call:
̈ Place the guest headset to be added to the conference call into the base
station of the master headset.
¿
̈ Take the guest headset out of the base station.
You hear a beep in the master headset.
The guest headset is enabled for the conference call.
̈ If necessary, repeat this procedure for the two other guest headsets.
̈ Call the other party.
4
3
To exit the conference call with a guest headset:
To end the conference call:
̈ Use the master headset to end the conference call.
The wireless links to all other headsets participating in the conference
call are disconnected.
You can only end the conference call using the master headset.
Other functions such as volume adjustment and muting the
headset’s microphone can still be performed on each headset.
Pairing the headset to third party DECT GAP telephones
The DW Office base station can only be used with DW Office
headsets.
̈ Place the DW Office headset at a maximum distance of 1 m from the
non-DW Office base station.
̈ Simultaneously press and hold the headset’s LINK button
ብ and
The headset switches to setting mode/GAP pairing mode and the
̈ Set the non-DW Office base station to GAP pairing mode (see the
instruction manual of the non-DW Office base station).
The headset pairs to the non-DW Office base station. If pairing was
The standard code for DW Office is “0000”.
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Using the headset system
Pairing is not successful If pairing is not successful within 60 seconds, the DW Office headset
switches to standby mode.
̈ For information on how to pair the headset to the non-DW Office base
station, refer to the instruction manual of the base station.
Charging an additional headset
If you wish to charge an additional headset (headset b) in the base station
while you are using your headset (headset a):
̈ Make sure that a wireless link is established between headset a and
̈ Place headset b into the base station.
Headset a can continue to connect to and disconnect from the base
station and its use is not restricted while headset b is being charged.
If you leave the DECT range
If you leave the DECT range during a call, the audio quality deteriorates.
When the link breaks down completely, you hear a descending sequence
red.
To resume the call:
̈ Re-enter the DECT range of the headset system within 60 seconds.
As soon as the headset re-establishes the wireless link to the base
station, you hear a ring tone in the headset.
If a handset lifter/electronic hook switch is used or if your soft-
phone supports call control, the call will automatically be ended
60 seconds after leaving the DECT range.
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Cleaning and maintaining the headset system
Cleaning and maintaining the
headset system
CAUTION Damage to the product due to liquids!
Liquids entering the product can short-circuit the electronics
or damage the mechanics.
Solvents or cleansing agents can damage the surface of the
product.
̈ Keep all liquids far away from the product.
̈ Do not use any solvents or cleansing agents.
̈ Before cleaning, switch the product off and disconnect the base station
from the mains.
̈ Only use a dry and soft cloth to clean the product.
swab.
·
C
8
32
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Cleaning and maintaining the headset system
Replacing the ear pad of the headband
You can replace the ear pad. Spare ear pads are available from your
Sennheiser partner.
̈ Attach the new ear pad by placing the fastening tab B of the ear pad
over the notch A of the headband (see diagram).
̈ Turn the ear pad counter-clockwise.
The notch A guides the fastening tab B so that the ear pad is securely
attached to the headband.
B
A
D
33
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Cleaning and maintaining the headset system
Replacing the headset’s rechargeable battery
You can replace the rechargeable battery. Spare rechargeable batteries are
available from your Sennheiser partner. Only use spare rechargeable
batteries recommended by Sennheiser Communications.
CAUTION Damage to the product due to improper handling
The cable connections can be damaged when subjected to
mechanical stress.
the connector plug of the rechargeable battery.
̈ Remove the earhook or the headband.
diagram).
the arrow until you overcome a slight resistance.
̈ Remove the rechargeable battery and carefully loosen the connector
plug of the battery cable.
̈ Insert the connector plug of the new rechargeable battery into the
connection socket. Observe correct orientation of the connector plug.
̈ Carefully lift the headset housing with your finger nail while fixing the
9
9
9
9
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If a problem occurs
If a problem occurs
Problem
Possible cause
Possible solution
The headset is placed into Base station is not connected to the
Connect the base station to the mains
the base station but does
not show any reaction
mains
Rechargeable battery is deep
discharged
Wait several minutes until the charging process
starts.
Link between headset
and base station
Base station is not connected to the
mains
Connect the base station to the mains
cannot be established
(Phone mode)
Headset is not paired to the base
station
Pair your headset to the base station
Link between headset
and base station
cannot be established
(PC mode)
Base station is only connected to the
mains
Connect the base station to the PC using the
USB cable.
Headset is not paired to the base
station
Pair your headset to the base station
Bad radio link between
headset and base station
Transmission range is exceeded
Reduce the distance between headset and base
station.
The headset causes noise
and connection losses
Microphone rubs on the cheek or
perhaps the beard
Distance between base station and
Increase the distance between base station and
ference occurs
Too many DECT systems within the
radio range
Set the base station to narrowband mode
The rechargeable battery
cannot be charged
Charging contacts of the headset or the Clean the charging contacts on the headset and on
base station are dirty
Rechargeable battery is defective
Replace the defective rechargeable battery by a
Charging contacts of the headset ቩ
and the headband do not make good
contact
Check if the headset is properly attached to the
The rechargeable battery is Overaged rechargeable battery
quickly depleted even after
charging
Replace the overaged rechargeable battery by a
The sound from the fixed
line phone is distorted and fixed line phone
disturbed
Base station is not adjusted to the
Adjust the base station to your fixed line phone
The other party cannot
Microphone sensitivity is not correctly Adjust the microphone sensitivity to the Phone
hear me properly, my voice adjusted
sounds too low or too loud
Your headset is no longer
You can only use the last headset
Replace your headset into the base station
an additional headset has conference call)
been used with the base
station
For additional information and an FAQ list, please visit our website at www.sennheiser.com/DW
If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed
solutions, please contact your local Sennheiser partner for assistance.
Support”.
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Accessories and spare parts
Accessories and spare parts
For additional information on accessories and spare parts, please contact
Accessories
•
HSL 10 handset lifter
– mechanical handset lifter
– incl. ring tone detection
– supports nearly all standard desktop telephones
DHSG cable
•
•
•
– electronic hook switch cable
– for e.g. Siemens, Aastra, etc.
MSH cable
– electronic hook switch cable
– for e.g. Alcatel, etc.
Adapter cables for manufacturer specific standards
– available for Cisco, Avaya, Polycom, etc.
Spare parts
•
•
•
•
•
•
•
•
•
•
•
Handband
Ear pad for headband
Set of earhooks (size S, M, L, XL)
Set of name plates (with and without cheek spacer)
Rechargeable battery
Telephone cable
Micro-USB cable
Mains unit, EU version
Mains unit, UK version
Mains unit, US version
Mains unit, AU version
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Specifications
Specifications
DW Office base station
Dimensions
108 x 116 x 114 mm (W x H x D)
approx. 368 g
Weight
Operating temperature range
Storage temperature range
+5°C to +45°C (+41°F to +113°F)
−20°C to +70°C (–4°F to +158°F)
DW Office headset
Dimensions
Weight
140 x 24 x 22 mm (W x H x D)
with earhook: approx. 22 g
with headband: approx. 50 g
Talk time
narrowband:
wideband:
up to 12 hours
up to 8 hours
Charing time of
rechargeable battery
50%:
approx. 20 min
approx. 1 hour
100%:
Range
environment dependent:
• up to 180 m outdoors
• up to 55 m in office buildings
• up to 10 m in office buildings
Speaker type
dynamic, neodymium magnet
Microphone type
electret microphone, noise canceling
+5°C to +45°C (+41°F to +113°F)
−20°C to +70°C (–4°F to +158°F)
Operating temperature range
Storage temperature range
Type approvals (DW Office headset system)
In compliance with
Europe:
EMC
EN 301489-6
Radio
Safety
EN 301406
EN 60950-1
SAR
EN 50360 ref EN 62209-1
(headset)
USA: This product meets the safety requirements of CSA No. 231437
Approved by
Canada:
Industry Canada RSS 213 Issue 2
IC ID: 2099D-TDB1 (base station)
IC ID: 2099D-TDH1 (headset)
47 CFR Part 15 (d)
USA:
FCC ID: DMOCDBDIB (base station)
FCC ID: DMOCDHDKB (headset)
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Specifications
DW Office mains unit
Nominal input voltage
Nominal input current
Mains frequency
100 to 240 V~
max. 0.2 A
50 to 60 Hz
Nominal output voltage
Nominal output current
Operating temperature range
Storage temperature range
Relative humidity
6 V
max. 850 mA
+5°C to +45°C (+41°F to +113°F)
−20°C to +70°C (–4°F to +158°F)
operation: 20 to 85%
storage: 20 to 95%
Weight
approx. 75 g
DECT
EU version: CAT IQ 1.0 US version: DECT 6.0
Transmission frequency
SAR value
1,880 to 1,900 MHz
1,920 to 1,930 MHz
0.196 W/kg
0.093 W/kg
(max. 10 g SAR)
(max. 1 g SAR)
38
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Manufacturer Declarations
Manufacturer Declarations
Warranty
Sennheiser Communications A/S gives a warranty of 24 months on this
product.
For the current warranty conditions, please visit our web site at
In compliance with the following requirements
•
•
RoHS Directive (2002/95/EC)
WEEE Directive (2002/96/EC)
Please dispose of this product at the end of its operational life-
time by taking it to your local collection point or recycling center
for such equipment.
•
Battery Directive (2006/66/EC)
The supplied rechargeable battery can be recycled. Please
dispose of it as special waste or return it to your specialist
dealer. In order to protect the environment, only dispose of
exhausted rechargeable batteries.
CE Conformity
•
1321
•
•
•
R&TTE Directive (1999/5/EC)
EMC Directive (2004/108/EC)
Low Voltage Directive (2006/95/EC)
product into operation, please observe the respective country-specific
regulations.
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Manufacturer Declarations
Statements regarding FCC and Industry Canada
This equipment complies with Part 15 of the FCC Rules and with RSS-213
of Industry Canada. Operation is subject to the following two conditions:
(1) this equipment may not cause harmful interference, and (2) this
equipment must accept any interference received, including interference
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 communications.
However, there is no guarantee that interference will not occur in a partic-
ular 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 interfer-
ence 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.
This class B digital equipment complies with the Canadian ICES-003
Changes or modifications made to this equipment not expressly approved
by Sennheiser electronic Corp. may void the FCC authorization to operate
this equipment. Before putting the equipment into operation, please
observe the respective country-specific regulations!
Since the radiated output of this device is far below the FCC radio
frequency exposure limits, it is not subjected to routine RF exposure eval-
uation as per Section 2.1093 of the FCC rules.
Trademarks
Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. KG.
Other product and company names mentioned in this instruction manual
may be the trademarks or registered trademarks of their respective
owners.
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Index
Index
Buttons
base station 8
headset 8
A
ABC switch
overview 8
ACC
connection of an optional
C
Calling
Accessories
accepting an incoming call (fixed
ending a call (fixed line
phone) 26
connection of an optional
Acoustic signals
adjusting the volume 28
Additional headsets
making a call (fixed line
phone) 25
transferring a call from the
headset to the fixed line phone
and vice versa 26
Advanced functions
pairing/using additional
headsets 29
using 29
Advanced settings
adjusting the radio range 20
DIP switch row 20
via the fixed line phone 24
calling
making a call (fixed line
phone) 25
establishing the wireless link
automatically 21
limiting the volume 21
wideband and narrowband
mode 21
D
DECT 4
leaving the DECT range 31
Always Audio
DECT GAP telephone
pairing 30
Audio signal
DHSG
connection of an optional
electronic hook switch 13
Audio volume
Dial tone
adjusting 18
AUTIO button
DIP switch 1 and 2
configuring the handset lifter/
B
Base station
connecting to a fixed line
phone 11
DIP switch 3
connecting to a fixed line phone
with headset socket 12
connecting to a fixed line phone
connection of an optional
connection to an optional
electronic hook switch 13
putting into operation 10
removing/attaching the
DIP switch 4
DIP switch 5
switching between wideband
and narrowband mode 21
DIP switch 6
E
Ear pad
replacing 33
Earhook 16
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Index
PC mode
adjusting 19
testing 19
G
GAP telephone
pairing 30
Phone
connecting the base station to a
fixed line phone with headset
connecting the base station to a
fixed line phone without headset
H
Headband 16
Headset
adjusting 24
identifying 16
pairing to third party DECT GAP
telephone 30
Phone and PC mode
switching between Phone and PC
Phone mode
adjusting 17
testing 17
wearing with earhook 24
R
Radio range
adjusting 20
exceeding 31
Headset microphone
muting 29
Headset system
Rechargeable battery
replacing 34
testing the headset system in PC
testing the headset system in
Ring tone
adjusting the volume 28
HeadSetup software
installing 15
specifications 15
S
Softphone
L
LEDs
base station 9
overview 9
Specifications
T
M
Telephone connection
testing 17
Microphone sensitivity
Troubleshooting 35
Microphone volume control
V
Volume
MSH
adjusting 28
limiting 21
connection of an optional
electronic hook switch 13
Volume button
swapping the assignment 17
Muting
W
N
Wideband and narrowband mode
switching between wideband
and narrowband mode 21
P
PC
Wireless link
connecting the base station to a
PC 14
establishing automatically 21
PC audio
42
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Sennheiser Communications A/S
6 Langager, 2680 Solrød Strand, Denmark
Printed in China
Publ. 11/09
A01
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