왘 Please read this instruction manual carefully and completely before
using the product.
왘 Always include this instruction manual when passing the product on to
third parties.
왘 Do not use an obviously defective product.
Preventing damage to health and accidents
왘 Do not listen at high volume levels for long periods of time to prevent
hearing damage.
왘 Always maintain a distance of at least 3.94” (10 cm) between the ear
cups and the cardiac pacemaker or implanted defibrillator since the
product generates permanent magnetic fields.
왘 Keep the product, accessories and packaging parts out of reach of
children and pets to prevent accidents and choking hazards.
왘 Do not use the product in situations which require special attention.
Preventing damage to the product and malfunctions
왘 Always keep the product dry and do not expose it to extreme
temperatures (hairdryer, heater, extended exposure to sunlight, etc.)
to avoid corrosion or deformation.
왘 Only use attachments/accessories supplied or recommended by
Sennheiser.
왘 Only clean the product with a soft, dry cloth.
왘 Unplug the power supply unit from the wall socket to completely
disconnect the product from the mains power supply.
왘 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.
왘 Only use the base station for charging DW series headsets.
Intended use/Liability
The headset system can be used for calling and – together with a computer
(VoIP) and/or a telephone – for audio input/output and is intended for
professional office or call center use.
It is considered improper use when this product is used for any application
not named in this instruction manual.
Sennheiser does not accept liability for damage arising from abuse or
misuse of this product and its attachments/accessories. The risk is to be
borne by the user.
Sennheiser is not liable for damages to USB devices that are not consistent
with the USB specifications.
Sennheiser is not liable for damages resulting from the loss of connection
due to flat or overaged rechargeable batteries or exceeding the DECT
transmission range.
2 | DW Series - User Guide
Page 4
Important safety information
Safety instructions for Lithium-Polymer rechargeable batteries
In extreme cases, abuse or misuse of rechargeable batteries can lead to:
WARNING
•explosion,
•fire development,
•heat generation or
•smoke/gas development.
Switch rechargeable
battery-powered
products off after use.
Only charge
rechargeable
batteries at ambient
temperatures between
10°C/50°F and
40°C/104°F.
Dispose of defective
products with built-in
rechargeable batteries
at special collection
points or return them to
your specialist dealer.
Do not heat above
70°C/158°F, e.g. do not
expose to sunlight or
throw into a fire.
When not using rechargeable
batteries for extended periods
of time, charge them regularly
(about every 3 months).
Only use rechargeable batteries
recommended by Sennheiser
and the appropriate chargers.
DW Series - User Guide | 3
Page 5
Scope of delivery and overview of the DW series
Scope of delivery and overview
of the DW series
The DW series allows you to combine base stations (BS) and headsets (HS)
to meet your needs. The listed headsets and base stations are compatible
with each other. The DW series base stations marked with ML in their name
are optimized for Microsoft
The scope of delivery includes – depending on the product purchased –
a base station and/or a headset with corresponding components.
Base stations with components
DW BSfor fixed line phone and computer
DW BS MLfor fixed line phone and computer, optimized for
DW BS USBfor computer
DW BS USB ML for computer, optimized for Microsoft Lync
DW BS Phonefor fixed line phone
®
Lync™.
Microsoft Lync
Manual
Safety
Guide
Quick
Guide
DW BS
DW BS ML
Phone
USB
DW BS USB
DW BS USB ML
USB
DW BS Phone
EU/UK/US/AU
4 | DW Series - User Guide
Phone
Page 6
Scope of delivery and overview of the DW series
Headsets with components
DW Office – HS monaural, with different wearing styles
DW Pro1 – HSmonaural, with headband
DW Pro2 – HSbinaural, with headband
DW Office – HS
DW Pro1 – HS
Quick
Guide
DW Pro2 – HS
DW Series - User Guide | 5
Page 7
Product overview of the headsets
Product overview of the headsets
Overview of the DW Office – HS headset
9
0
8
7
A
B
C
6
1 Headband
2 Charging contacts
1
2
3
4
5
8 Link button
9 Audio button
3 Headset holder
4 Ear pad
5 Microphone
6 Name plate
7 Headset LED
0 Ear hook
A Charging contacts
B Battery compartment
C Ear piece
6 | DW Series - User Guide
Page 8
Product overview of the headsets
Overview of the DW Pro1/Pro2 – HS headsets
5
DW Pro2 – HS
4
3
5
DW Pro1 – HS
3
4
2
1
2
1
1 Windshield
2 Microphone
3 Battery compartment
4 Ear pad
5 Headband
6
0
7
8
9
6 Name plate
7 Headset LED
8 Link button
9 Audio button
0 Charging contacts
DW Series - User Guide | 7
Page 9
Product overview of the headsets
Overview of the buttons
Overview of the buttons of the base station
DW BS
DW BS ML
DW BS USB
DW BS USB ML
DW BS Phone
ActionFunctionsPage
왘 Press the Phone button Selects the Phone mode23
Establishes/disconnects the link
17
between headset and base station
Accepts/ends a call23
왘 Press the PC buttonSelects the PC mode25
Establishes/disconnects the link
17
between headset and base station
Accepts/ends a call25
Overview of the buttons of the headset
DW Office – HeadsetDW Pro1/Pro2 – Headset
8 | DW Series - User Guide
ActionFunctionsPage
왘 Press the
Link button 8
Establishes/disconnects the link
between headset and base station
17
Accepts/ends a call23/25
왘 Press and hold the
Switches the headset on/off30
Link button 8 for
5seconds
왘 Push the
Audio button 9
upwards/downwards
왘 Press the
Audio button 9
왘 Press and hold the Link
button 8 and the
Audio button 9 for
5seconds
Adjusts the ring tone volume, the
20
volume of the acoustic signals or the
audio volume
Mutes the microphone/unmutes the
21
microphone
Changes the direction of the volume
21
up/down function of the Audio
button 9
Special pairing mode32
Page 10
Product overview of the headsets
Overview of the LEDs
Overview of the LEDs of the base station
The LED icons of the PC button and the Phone button are dependent on the
base station variant.
LED of the PC button Meaning
lights upPCmode
flashesIncoming PC call
LED of the Phone button Meaning
lights upPhonemode
flashesIncoming telephone call
Link LEDMeaning
lights up blueActive link to the headset
lights up redNo link to the headset
flashes redHeadset is muted
is offStandby mode, headset is within the
range of the base station, but no audio
link
Charge status LED (white = lit)Meaning
LED segment 1 flashesRechargeable battery
is almost flat
LED segments 1 – 4
are lit
Rechargeable battery
is charged
DW Series - User Guide | 9
Page 11
Product overview of the headsets
Overview of the LEDs of the headset
DW Office – HSDW Pro1/Pro2 – HS
Headset LEDMeaning
lights up blueHeadset is being charged in the base
station
flashes blue slowlyActive link to base station
flashes 3 time red Rechargeable battery is almost flat
is offStandby mode or headset is switched off
/headset’s rechargeable battery is fully
charged
flashes blue/redSpecial pairing mode/direction of the
volume up/down function of the
Audio button is being changed
Pairing of an additional headset with the
base station/conference call
10 | DW Series - User Guide
Page 12
Individually adjusting the headset
12
3
4
Left
Right
Individually adjusting the headset
Putting the headset on and adjusting it
Using the DW Office – HS with the ear hook
1 Insert the ear hook into the ear hook slot.
2 Pre-shape the ear hook by bending it slightly.
3 Place the ear hook around your ear.
4 Bend the flexible ear hook so that the headset sits comfortably and
securely on your ear.
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Page 13
Individually adjusting the headset
Using the DW Office – HS with the headband
1 Remove the ear hook by carefully pulling it upwards.
2 Replace the name plate with cheek spacer with the basic name plate.
This is necessary in order to be able to rotate the headset’s microphone
boom (see diagram 4).
3 Attach the headset to the headset holder of the headband.
4 Rotate the microphone boom and adjust the headset so that the ear
pad rests comfortably on your right or left ear.
12
34
Left
Right
12 | DW Series - User Guide
Page 14
Individually adjusting the headset
DW Pro1 – HSDW Pro2 – HS
2-3 cm
RightLeft
12
34
Using the DW Pro1/Pro2 – HS
1 Rotate the microphone boom.
2 Bend the microphone boom so that the microphone is about 0.8”
(2 cm) from the corner of your mouth.
3DW Pro1 – HS: Adjust the headset so that the ear pad rests comfortably
on your right or left ear.
4DW Pro2 – HS: Adjust the headset so that the ear pads rest comfortably
on your ears.
DW Series - User Guide | 13
Page 15
Individually adjusting the headset
Labeling the headset
왘 Change the lettering of the name plate as shown.
1. OPEN ”Name Plate Maker“
2. TYPE
3. PRINT
4. CUT
WWW
Instruction Manual
www.sennheiser.com/
name-plate-maker
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
14 | DW Series - User Guide
Page 16
Testing the headset system and the sound quality
2
Testing the headset system and the
sound quality
Adjusting the headset system using the DIP switches
1 Press the Link button on the headset to disconnect an existing wireless
link between base station and headset.
The LEDson the headset and on the base station go off.
2 Use a pointed object (e.g. a ball pen) to set the DIP switchesto the
desired position.
1
Extra
Settings
Handset Lifter
Auto Link OFF
Long Range
Wideband
Standard
1 2 3 4 5 6
DHSG
Fast Link
MSH
Short Range
Auto Link ON
Limiter
Narrowband
2
Configuring the handset lifter/hook switch – DIP switches 1 and 2
The DIP switches 1 and 2 are only assigned a function on the DW BS,
DW BS ML and DW BS Phone base stations.
Switch positionFunction
Manual operation
Lifts/hangs up the handset manually or using
the handset lifter (Sennheiser HSL 10).
Electronic hook switch (DHSG standard)
Call control via the headset system.
For faster link establishment, see Fast Link.
Electronic hook switch (MSH standard)
Call control via the headset system.
Fast Link for DHSG standard and
HSL 10 handset lifter
Recommended for frequent callers. Shorter battery
life. Fast link establishment without delay due to
hidden link to the base station.
DW Series - User Guide | 15
Page 17
Testing the headset system and the sound quality
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 positionFunction
Automatically establishing the wireless link between headset and
base station (Auto Link) – DIP switch 4
Switch positionFunction
Auto Link
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
Switching between wideband and narrowband audio transmission –
DIP switch 5
Standard radio range
Reduced radio range
Use this setting in order to avoid interference with
other DECT systems
Range of approx. 10 m indoors
Manual link establishment
When taking the headset out of the base station,
you have to manually establish the wireless link
between headset and base station.
Automatic link establishment – Auto Link
When taking the headset out of the base station, a
wireless link is automatically established between
headset and base station.
Switch positionFunction
Wideband audio transmission
Automatic frequency adjustment of wideband and
narrowband calls. Wideband audio transmission is
e.g. supported by Skype and gives high speech
quality.
Battery life: 8 hours
Narrowband audio transmission
Battery life: 12 hours
Limiting the volume – DIP switch 6
Switch positionFunction
Standard limitation
Limited volume (country specific)
•AU version:
in compliance with Directive AS/ACIF G616:2006
•EU and US version:
in compliance with Directive 2003/10/EC
16 | DW Series - User Guide
Page 18
Testing the headset system and the sound quality
Pairing the headset and the base station
Upon delivery, the headset and the base station are already paired. You
only have to pair the headset with the base station if you have purchased
the headset and base station separately or if you want to hold a
conference call.
“easy pairing” – Pairing the headset and the base station
왘 Place the headset into the magnetic holder of the base station.
왘 The Headset LED alternately flashes red and blue.
If pairing is successful, the Headset LED flashes 3 times blue and then
lights up continuously, indicating that the base station and the headset
are paired.
왘 If the Headset LED flashes 3 times red and then goes off, start a new
pairing attempt by placing the headset again into the magnetic holder
of the base station.
3x
Establishing a wireless link
왘 Press the Link button on the headset or press the backlit button (either
PC or Phone ) on the base station. The link is established. The Link
LED on the base station lights up blue and the Headset LED flashes
blue slowly.
Disconnecting a wireless link
왘 Press the Link button on the headset or press the backlit button (either
PC or Phone) on the base station. The link is disconnected. The Link
LED on the base station and the Headset LED go off. The headset is
in standby mode.
If your telephone has a built-in electronic hook switch supporting
the MSH standard, you can only disconnect the wireless link between
headset and base station by placing the headset into the base
station.
DW Series - User Guide | 17
Page 19
Testing the headset system and the sound quality
Adjusting the audio signal by means of the dial tone
1 Put on the headset and press the Phone button on the base station.
2 Press the Link button on the headset. The Link LED on the base
station lights up blue.
3 Lift the handset. You hear a dial tone.
4 Set the ABC switch to the position A, B or C so that you can hear a clear
dial tone in the headset.
12
34
18 | DW Series - User Guide
Page 20
Testing the headset system and the sound quality
Adjusting the volume
Adjusting the microphone volume of the call transmission
By default, the microphone volume control is set to position 4. This setting
is suitable for most telephones.
왘 Make a call to someone who will help you find the correct sensitivity
setting for your microphone.
왘 Turn the microphone volume control so that the other party can hear
you at a comfortable level.
Adjusting the microphone volume of the USB transmission
Some softphones adjust the microphone sensitivity automatically.
왘 Activate this function in order to be able to optimally use the
microphone and, via your operating system, adjust the microphone
sensitivity so that the other party can hear you at a comfortable level
(see the Help function of your operating system).
Adjusting the automatic audio transmission “Auto Audio”
With the “Auto Audio” function activated and in the case of a USB connection, the audio signals – e.g. from Windows
are automatically transmitted to the headset.
When you receive a call or when a connection to Skype™ or HeadSetup is
established, the audio transmission stops and you hear for example the
ring tone. The “Auto Audio” function is activated by default.
Activating the “Auto Audio” function:
왘 Use a pointed object to press the Set button for approx. 5 seconds. The
Link LED rapidly flashes blue several times.
Deactivating the “Auto Audio” function:
왘 Use a pointed object to press the Set button for approx. 5 seconds. The
Link LED rapidly flashes red several times.
®
Media Player® or iTunes® –
5s
DW Series - User Guide | 19
Page 21
Making calls using the headset
Making calls using the headset
Adjusting the volume
WARNING
Hearing damage due to high volumes!
Listening at high volume levels for long periods can lead to
permanent hearing defects.
왘 Set the volume to a low level before putting on the headset.
왘 Do not continuously expose yourself to high volumes.
You can adjust the ring tone volume, the volume of the acoustic signals
and of the audio signal using the Audio button. With base stations
connected to a computer, you can also adjust the volume of the audio
signal by using the volume control of your operating system.
Adjusting the ring tone volume and the volume of the acoustic signals
왘 Make sure that the headset is in standby mode (the Link LED on the
base station is off). If necessary, press the Link button on the headset.
왘 To adjust the volume, move the Audio button as shown in the diagram.
When the minimum or maximum volume is reached, you hear a double
beep in the headset.
DW Office – HS
Adjusting the volume of the audio signal
You can adjust the volume of the audio signal by means of the dial tone or
during a call.
왘 Make sure that a link is established between headset and base station
(the Link LED on the base station lights up blue). If necessary, press
the Link button on the headset.
왘 To adjust the volume, move the Audio button as shown in the diagram.
When the minimum or maximum volume is reached, you hear a double
beep in the headset.
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
DW Pro1 – HS
DW Pro2 – HS
20 | DW Series - User Guide
Page 22
Making calls using the headset
Changing the direction of the volume up/down function
왘 On the Audio button, check which direction is assigned “volume down”.
왘 Simultaneously press and hold the Link button and the Audio button
for 5 seconds.
The Headset LED alternately flashes blue/red.
DW Office – HS
5 s
DW Pro1 – HS
DW Pro2 – HS
5 s
왘 Push the Audio button in the direction “volume down” until the
Headset LED goes off. The direction of the volume up/down function of
the Audio button is changed. The headset switches to standby mode.
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
Muting the headset’s microphone
왘 Press the Audio button.
The microphone is muted. While the microphone is muted, the
Link LED on the base station flashes red.
DW Office – HS
Unmuting the headset’s microphone
왘 Press the Audio button.
You hear a beep in the headset. The muting is canceled and the
Link LED on the base station lights up blue.
DW Pro1 – HS
DW Pro2 – HS
DW Series - User Guide | 21
Page 23
Making calls using the headset
55 m
If you leave the DECT range
In normal office buildings, the range between headset and base station is
up to 55 m. If, during a call, the audio quality deteriorates or the link breaks
down completely, you hear a descending sequence of beeps in the headset.
The Link LED on the base station lights up red.
왘 Re-enter the DECT range of the base station within 60 seconds.
You hear a ring tone in the headset.
왘 Press the Link button on the headset to resume the call.
If your softphone supports call control, the call will automatically be
ended 60 seconds after leaving the DECT range.
Switching between Phone and PC mode
왘 Press the PC button or the Phone button on the base station to
select the desired mode.
The button pressed (PC or Phone ) is backlit in white, indicating the
selected mode.
22 | DW Series - User Guide
Page 24
Making calls using the headset
Calling via the fixed line phone using the headset
If you want to use the headset to accept, make or end calls, you have to
establish a wireless link between headset and base station. You can choose
between manual and automatic link establishment (see “Auto Link” on
page 16):
Switch positionFunction
Manual link establishment
When taking the headset out of the base station,
you have to manually establish the wireless link
between headset and base station.
Automatic link establishment – Auto Link
When taking the headset out of the base station, a
wireless link is automatically established between
headset and base station.
Managing calls without using a call control functionality
Accepting a call: You hear the ring tone of the fixed line phone. Press the
Link button on the headset. Lift the handset or press the “accept call”
button on your fixed line phone.
Making a call: Press the Link button on the headset to establish a link
between base station and headset. Lift the handset and dial the desired
number. The phone connection is established.
Ending a call: Hang up the handset or press the “end call” button on your
fixed line phone.
DW Series - User Guide | 23
Page 25
Making calls using the headset
Managing calls using a call control functionality (EHS, HSL 10)
Accepting a call: You hear a ring tone in the headset. Press the Link button
on the headset to accept the call. The handset lifter/electronic hook switch
lifts the handset.
Making a call: Dial the desired number. Press the Link button on the
headset to establish a link between base station and headset. The phone
connection is established automatically.
Ending a call: Press the Link button. If the other party hangs up, your
telephone and your headset become automatically ready to receive the
next call.
Frequent callers who use an electronic hook switch with DHSG capability
are recommended to activate the “Fast Link” function for faster link
establishment (see page 15)
Switch positionFunction
Fast Link (only when DHSG standard is used)
Recommended for frequent callers. Shorter battery
life. Fast link establishment without delay due to
hidden link to the base station.
Switching a call between headset and fixed line phone
왘 Press the Link button on the headset to switch between headset and
handset of the fixed line phone during an ongoing call.
In case of a fixed line phone with a handset lifter/an electronic hook
switch, this switching can only be done on the fixed line phone.
24 | DW Series - User Guide
Page 26
Making calls using the headset
Calling via the computer using the headset
If you want to use the headset to accept, make or end calls, you have to
establish a wireless link between headset and base station. You can choose
between manual and automatic link establishment (see “Auto Link” on
page 16):
Switch positionFunction
Manual link establishment
When taking the headset out of the base station,
you have to manually establish the wireless link
between headset and base station.
Automatic link establishment – Auto Link
When taking the headset out of the base station, a
wireless link is automatically established between
headset and base station.
Managing calls without using the “HeadSetup” call control functionality
Accepting a call: The softphone signals that you are receiving a call. You
hear a ring tone in the headset. Click on “Accept call” on your softphone.
Making a call: Press the Link button on the headset to establish a link
between base station and headset. If the “Auto Audio” function is
activated, this step is not necessary (see page 19). Start the call using your
softphone.
Ending a call: End the call using your softphone.
DW Series - User Guide | 25
Page 27
Making calls using the headset
Managing calls using the “HeadSetup” call control functionality
Accepting a call: The softphone signals that you are receiving a call. You
hear a ring tone in the headset. Press the Link button on the headset to
accept the call.
Making a call: Start the call using your softphone, the audio signal is
automatically transmitted to the headset.
Ending a call: Press the Link button. If the other party hangs up, your
softphone and your headset become automatically ready to receive the
next call.
26 | DW Series - User Guide
Page 28
Making calls using the headset
DW Office – HSDW Pro1 – HS
DW Pro2 – HS
GUEST
Holding a conference call
The headset system allows you to hold a conference call with up to
4 DW series headsets. The first headset paired (master) is used control
the call establishment and end of conversation.
Pairing the master headset with the base station
MASTER
GUEST
GUEST
왘 Place the master headset into the base station and wait until the
headset LED lights up blue. Take the headset out of the base station
and press the Link button to pair the headset with the base station. The
Link LED on the base station lights up blue.
Adding a guest headset to a conference call
왘 Place the guest headset into the base station of the master headset.
The Headset LED alternately flashes blue/red until a link to the base
station is established. The Headset LED flashes 3 times blue.
왘 Take the guest headset out of the base station. You hear a beep in the
master headset.
왘 To add the guest headset to the conference call, press the Link button
on the master headset within 15 seconds.
왘 Repeat this procedure to add additional guest headsets to the
conference call.
왘 Call the other party.
Dropping a guest headset from the conference call
왘 Press the Link button on the guest headset. The guest headset is
dropped from the conference call.
Ending a conference call
왘 Use the master headset to end the conference call or to disconnect the
link to the base station. The guest headsets are automatically dropped
GUEST
from the conference call.
To subsequently use the guest headset with other base stations,
place the guest headsets into the other base stations. The
GUEST
MASTER
GUEST
Headset LED alternately flashes blue/red until a link is established.
DW Series - User Guide | 27
Page 29
Charging the headset and storing the headset system
Charging the headset and storing
the headset system
Charging the headset
Always store the headset in the base station to ensure that it is fully
charged when needed. The intelligent battery charging technology
prevents over-charging.
DW Pro2 – HSDW Office – HSDW Pro1 – HS
왘 Place the headset into the magnetic holder of the base station.
The Headset LED lights up blue and the rechargeable battery is being
charged. The Charge status LED on the base station indicates the
charge status:
LED segment
(white = lit up)
Required
charging time
approx.
10 min.
approx.
20 min.
approx.
40 min.
approx.
60 min.
Corresponds to a talk time of
WidebandNarrowband
approx. 2 hrsapprox. 3 hrs
approx. 4 hrsapprox. 6 hrs
approx. 6 hrsapprox. 9 hrs
approx. 8 hrsapprox. 12 hrs
28 | DW Series - User Guide
Shortly before the rechargeable battery is about to run flat, only one
LED segment lights up weakly. The Headset LED flashes red and you hear
three beeps. You have several minutes of battery reserve. When the
rechargeable 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.
Page 30
Charging the headset and storing the headset system
Charging the headset using the optional CH 10 headset charger
The CH 10 headset charger is an optional accessory available from your
Sennheiser partner. The CH 10 allows you to charge additional DW series
headsets, e.g. for sharing the same base station when working shifts.
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
왘 Refer to the instruction manual of the CH 10 for more information.
DW Series - User Guide | 29
Page 31
Charging the headset and storing the headset system
5 s
5 s
3x
3x
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
1
22
Switching the headset system off during extended
non-use
You can switch off the headset system (1) or the headset (2) when not
using the products for extended periods of time (e.g. when you are on
holiday).
Switching the headset system off
1 Disconnect the base station from the mains power supply. The base
station switches off immediately, the headset switches off about
30 minutes later.
2 Press and hold the Link button for 5 seconds to switch off the headset
immediately. The Headset LED flashes 3 times red, the headset is
switched off completely.
The Link LED on the base station lights up red after a short time, the
Charge status LED on the base station goes off.
30 | DW Series - User Guide
Switching the headset system on and pairing the components
왘 Plug the power supply unit into a wall socket. The base station is
switched on.
왘 Place the headset into the magnetic holder of the base station. The
Headset LED flashes 3 times blue and then lights up blue. The base
station and the headset are paired.
Page 32
Sharing a workplace
Sharing a workplace
The headsets and base stations of the DW series are compatible with each
other. If, for example, you share a workplace, you can use one base station
with different headsets. The last headset paired with the base station can
be used without more ado.
왘 Place the headset to be used into the magnetic holder of the base
station.
The Headset LED alternately flashes blue/red until the headset is
successfully paired with the base station. The Headset LED flashes
3 times blue and then goes off. You can now use the newly paired
headset.
If pairing has failed, the Link LED on the base station lights up red or is
off. Repeat the procedure.
DW Office – HS
DW Pro1 – HS
DW Pro2 – HS
3x
DW Series - User Guide | 31
Page 33
Sharing a workplace
Using the headset with a third party base station
(DECT-GAP telephone)
왘 Place the headset at a maximum distance of 1 m from the third party
base station.
왘 Simultaneously press and hold the headset’s Link button and
Audio button for 5 seconds.
The headset switches to a special pairing mode and the Headset LED
alternately flashes blue/red.
왘 Set the third party base station to a special pairing mode (see the
instruction manual of the third party base station). The default code
for the headset is “0000”.
The headset pairs with the third party base station. If pairing is
successful, the Headset LED goes off.
DW Office – HS
5 s
If pairing is not successful within 60 seconds, the headset switches back
to standby mode.
To pair the headset again with a DW series base station:
왘 Simultaneously press and hold the headset’s Link button and
Audio button for 5 seconds.
The headset switches to a special pairing mode and the Headset LED
alternately flashes blue/red.
왘 Place the headset into the magnetic holder of the base station. The
Headset LED flashes 3 times blue and then lights up blue. The base
station and the headset are paired.
DW Pro1 – HS
DW Pro2 – HS
5 s
32 | DW Series - User Guide
Page 34
Cleaning and maintaining the headset system
Cleaning and maintaining the
headset system
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can short-circuit the
electronics.
왘 Keep all liquids far away from the product.
왘 Do not use any solvents or cleansing agents.
왘 Before cleaning, disconnect the base station from the mains power
supply.
왘 Only use a dry and soft cloth to clean the product.
왘 Clean the charging contacts of the base station and the charging
contacts of the headset from time to time using e.g. a cotton swab.
DW Office – HSDW Pro1 – HS
DW Pro2 – HS
DW Series - User Guide | 33
Page 35
Cleaning and maintaining the headset system
A
B
Replacing the ear pads
For reasons of hygiene, you should replace the ear pads from time to time.
Spare ear pads are available from your Sennheiser partner.
DW Office – HS
1 Carefully remove the old ear pad from the ear cup. Make sure that the
fastening ring of the old ear pad is also removed from the ear cup.
2 Pull the collar B of the ear pad over the notch A of the headband.
3 Turn the ear pad counter-clockwise over the notch until the collar
completely surrounds the ear cup.
1
3
2
34 | DW Series - User Guide
DW Pro1/Pro2 – HS
1 Carefully remove the old ear pad from the ear cup.
2 Attach the new ear pad to the ear cup by pressing firmly around the ear
pad.
12
Page 36
Cleaning and maintaining the headset system
1
Replacing the headset’s rechargeable battery
CAUTION
Damage to the product due to improper handling
The cables can be kinked or damaged if you open the battery compartment
too jerkily.
왘 Carefully open the battery compartment and loosen the connector plug
of the rechargeable battery.
Spare rechargeable batteries are available from your Sennheiser partner.
Only use spare rechargeable batteries recommended by Sennheiser.
DW Office – HS
1 Remove the earhook or the headband (see page 11) and open the
battery compartment.
2 Carefully move the battery compartment cover in the direction of the
arrow until you overcome a slight resistance. Remove the rechargeable
battery and carefully loosen the connector plug of the rechargeable
battery.
3 Insert the connector plug of the new rechargeable battery into the
connection socket. Observe correct orientation of the connector plug.
4 Close the battery compartment.
23
4
DW Series - User Guide | 35
Page 37
Cleaning and maintaining the headset system
Headset Pro1 – HS
1 Open the battery compartment cover.
2 Remove the rechargeable battery and carefully loosen the connector
plug of the rechargeable battery.
3 Insert the connector plug of the new rechargeable battery into the
connection socket. Observe correct orientation of the connector plug.
4 Replace the battery compartment cover.
12
34
36 | DW Series - User Guide
Page 38
Cleaning and maintaining the headset system
Headset Pro2 – HS
1 Carefully remove the ear pad from the ear cup where the battery
compartment is located.
2 Open the battery compartment.
12
3 Remove the rechargeable battery and carefully loosen the connector
plug of the rechargeable battery.
4 Insert the connector plug of the new rechargeable battery into the
connection socket. Observe correct orientation of the connector plug.
5 Replace the battery compartment cover.
6 Reattach the ear pad to the ear cup by pressing firmly around the ear
pad.
34
56
DW Series - User Guide | 37
Page 39
If a problem occurs
If a problem occurs
For causes and solutions that are mainly related to the base station, refer to the chapter “If a problem occurs ...”
in the “Setup Guide”.
ProblemPossible causePossible solutionPage
The headset is placed into
the base station but the
Charge status LED if off
Link between headset
and base station cannot
be established
Bad radio link between
headset and base station
Noise interference and
connection loss
The rechargeable battery
cannot be charged
The rechargeable battery is
quickly depleted even after
charging
Bad audio quality, the other
party sounds too low or too
loud
The sound from the fixed line
phone is distorted and
disturbed
Rechargeable battery is deep
discharged
Wrong operating mode
(Phone/PC)
Headset is not paired with
the base station, the Link
LED lights up red
Transmission range is
exceeded
Microphone rubs on the cheek
or perhaps the beard
Too many DECT systems
within the radio range
Distance between base
station and fixed line phone
is so small that interference
occurs
Charging contacts of the
headset or the base station
are dirty
Rechargeable battery is
defective
Headset is not properly
placed into the magnetic
holder of the base station
Overaged rechargeable
battery
Microphone sensitivity is not
correctly adjusted
Base station is not adjusted
to the fixed line phone.
Wait several minutes until the
Charge status LED lights up.
For quick-charging the headset:
Briefly press the Set button at
the rear of the base station.
Press the PC button or the
Phone button to select the
correct operating mode.
Place the headset into the base
station.
Reduce the distance between
headset and base station.
Adjust the radio range.16
Bend the microphone boom so
that the microphone is about
0.8 - 1.2” (2 - 3 cm) from the
corner of your mouth.
Reduce the radio range.16
Set the base station to
narrowband transmission.
Increase the distance between
base station and fixed line
phone.
Clean the charging contacts on
the headset and on the base
station.
Replace the defective
rechargeable battery with a new
one.
Check if the headset is properly
placed into the magnetic holder.
Replace the overaged
rechargeable battery with a new
one.
Adjust the microphone
sensitivity.
Use the ABC switch to adjust the
base station to your fixed line
phone.
28
–
22
17
–
13
16
–
33
35
28
35
19
19
For more information and an FAQ list, please visit our website at www.sennheiser.com.
If a problem occurs that is not l
solutions, please contact your local Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.sennheiser.com under “Service & Support”.
38 | DW Series - User Guide
isted in the above table or if the problem cannot be solved with the proposed
Page 40
Specifications
Specifications
Base station
DW BS/DW BS ML
Dimensions108 x 116 x 114 mm (W x H x D)
Weightapprox. 368 g
Operating temperature range +5°C to +45°C (+41°F to +113°F)
Storage temperature range–20°C to +70°C (–4°F to +158°F)
DW BS USB/DW BS USB ML/DW BS Phone
Dimensions108 x 116 x 114 mm (W x H x D)
Weightapprox. 322 g
Operating temperature range +5°C to +45°C (+41°F to +113°F)
Storage temperature range–20°C to +70°C (–4°F to +158°F)
Sennheiser Communications A/S gives a warranty of 24 months on this
product. For the current warranty conditions, please visit our website at
www.sennheiser.
In compliance with the following requirements
•WEEE Directive (2002/96/EC)
Please dispose of this product at the end of its operational lifetime by
taking it to your local collection point or recycling center for such
equipment.
•Battery Directive (2006/66/EC)
The product’s built-in rechargeable batteries can be recycled. In order
to protect the environment, please dispose of defective products with
their rechargeable batteries as special waste or return them to your
specialist dealer.
CE Conformity
com or contact your Sennheiser partner.
1321
•R&TTE Directive (1999/5/EC)
•EMC Directive (2004/108/EC)
•Low Voltage Directive (2006/95/EC)
•ErP Directive (2009/125/EC)
•
RoHS Directive (2011/65/EU)
The declaration is available at www.sennheiser.com.
Before
putting the product into operation, please observe the
respective country-specific regulations!
Statements regarding FCC and Industry Canada
FCC Declaration of Conformity (DoC)
SENNHEISER
Model No:
Sennheiser Electronic Corporation
We,
declare the above device comply with the requirements of Federal Communicat ions Comm iss ion.
This device compli es with P art 15 of the FCC rules . Operation is subjected t o the following two conditions:
1) This device may not cause harmful i nterference,
2) This device must accept any int erference received, including interference that may cause undes ired operation.
Responsible Party: Greg Beebe
One Enterprise Drive • Old Lyme •
CT 06371 • USA
Tel: +1 (860) 434 9190, ex t. 144
Fax: +1 (860) 434 1759
DW BS-US/DW BS USB-US
and
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
DW Series - User Guide | 41
Page 43
Manufacturer Declarations
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
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.
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!
The headsets DW 10 HS/DW 20 HS/DW 30 HS comply with Industry
Canada RF radiation exposure limits for devices used by the general public.
They have been tested for SAR and have complied with Industry Canada
SAR limits for devices used by the general public.
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.