DECT
Comfort
call
SetupGuide
SD Series
Instruction manual
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Contents “Setup Guide”
Contents “Setup Guide”
Important safety information ....................................................................... 2
Headsets with components .......................................................................... 4
Overview of the front ..................................................................................... 5
Overview of the rear ...................................................................................... 5
Overview of the bottom ................................................................................ 6
Setting up the base station ........................................................................... 7
Connecting the base station to an optional
electronic hook switch control (EHS) ........................................................10
Charging the headset ...................................................................................12
Adjusting the volume ..................................................................................17
If a problem occurs ....................................................................................... 18
Specifications ................................................................................................ 19
Manufacturer Declarations ..........................................................................21
SD Series – Setup Guide | 1
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Important safety information
Important safety information
̈ Please read this instruction manual carefully and completely before
using the product.
̈ Always include this instruction manual when passing the product on to
third parties.
̈ Do not use an obviously defective product.
Preventing damage to health and accidents
̈ Do not listen at high volume levels for long periods of time to prevent
hearing damage.
̈ 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.
̈ Keep the product, accessories and packaging parts out of reach of chil-
dren and pets to prevent accidents and choking hazards.
̈ Do not use the product in situations which require special attention.
Preventing damage to the product and malfunctions
̈ Always keep the product dry and do not expose it to extreme tempera-
tures (hairdryer, heater, extended exposure to sunlight, etc.) to avoid
corrosion or deformation.
̈ Only use attachments/ accessories supplied or recommended by
Sennheiser.
̈ Only clean the product with a soft, dry cloth.
̈ Unplug the power supply unit from the wall socket to completely
disconnect the product from the mains power supply.
̈ 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.
̈ Only use the base station for charging SD 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.
The US base stations operate on special transmission frequencies whose
use is not authorized outside the United States.
̈ Do not use the SD BS US base station outside the United States.
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Scope of delivery and overview of the SD series
Scope of delivery and overview of the
SD series
The SD 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 SD series base stations marked with ML in their name
are optimized for Microsoft Lync™.
The scope of delivery includes – depending on the product purchased –
a base station and/ or a headset with corresponding components.
Base stations with components
SD BS
for fixed line phone and computer
SD BS ML
for fixed line phone and computer, optimized for Micro-
soft Lync
SD BS USB
for computer
SD BS USB ML for computer, optimized for Microsoft Lync
SD BS Phone
for fixed line phone
SD BS
SD BS ML
Safety
Guide
Phone
USB
SD BS USB
SD BS USB ML
Manual
USB
Quick
Guide
SD BS Phone
EU/UK/US/AU
Phone
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Scope of delivery and overview of the SD series
Headsets with components
SD Office – HS monaural, with different wearing styles
SD Pro1 – HS
SD Pro2 – HS
monaural, with headband
binaural, with headband
SD Office – HS
SD Pro1 – HS
Quick
Guide
SD Pro2 – HS
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Product overview of the base stations
Product overview of the base stations
Overview of the front
SD BS
SD BS USB
SD BS ML
SD BS USB ML
·
³
»
SD BS Phone
¿
¿
³
´
³ PC button with LED
· Charging contacts
» Link LED
¿ Phone button with LED
´ Charge status LED
Overview of the rear
SD BS
SD BS USB
SD BS ML
SD BS USB ML
SD BS Phone
C
P
C
D
C
C
A
t
e
s
d
a
e
H
ne
o
Ph
µ
¾
º
¶
²
² Phone socket
¾ DC IN socket
¶ Handset socket
µ PC socket (USB)
º ACC socket
SD Series – Setup Guide | 5
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Setting up the base station
Setting up the base station
You can use the headset system with your fixed line phone and/ or your
computer. The base station controls the wireless communication to the
headsets.
̈ Place the base station at a minimum distance of 15 cm from the fixed
line phone.
Connecting the base station to the mains power supply
1
2
3
Connect the connector of the power supply unit to the DC IN socket
(marked yellow). Connect the power supply unit to a wall socket.
SD BS, SD BS ML: The Link LED lights up red. Either the PC LED or
the Phone LED lights up white.
SD BS USB, SD BS USB ML, SD BS Phone: The Link LED lights up red.
Both the PC LED and the Phone LED light up white.
1
2
SD BS
SD BS ML
C
AC
t
e
s
Head
C
P
ne
o
DC
3
SD BS USB
SD BS USB ML
SD BS Phone
Disconnecting the base station from the mains power supply
̈ If the product is not used for extended periods of time, unplug the
power supply unit from the wall socket.
SD Series – Setup Guide | 7
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Setting up the base station
Connecting the base station to a fixed line phone
Connection possibilities
Page
Connection to a fixed line phone without headset socket
A
Connection to a fixed line phone with headset socket
B
Connection to an optional mechanical handset lifter
C
̈ Check which connection possibility is best suited for your telephone.
̈ Follow the instructions in the corresponding chapter.
Connecting the base station to a fixed line phone without headset socket
A
1
2
3
Disconnect the handset cable from the telephone and connect it to the
Handset socket (marked gray) on the base station.
Connect the telephone cable to the handset socket on the telephone
and to the Phone socket (marked green) on the base station.
Use a pointed object (e.g. a ball pen) to set the DIP switches 1 and 2 to
the position shown.
1
C
D
CC
A
et
s
d
a
e
H
e
n
o
h
P
2
IN
C
C
D
D
C
C
A
et
s
d
a
e
e
n
o
h
P
3
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Setting up the base station
Connecting the base station to a fixed line phone with headset socket
B
1
Connect the telephone cable to the headset socket on the telephone
and to the Phone socket (marked green) on the base station.
2
Use a pointed object (e.g. a ball pen) to set the DIP switches 1 and 2 to
the position shown.
1
C
D
C
AC
t
e
s
d
ea
ne
o
h
P
2
C
D
C
C
A
et
s
d
a
e
H
e
n
o
h
P
Connecting the base station to an optional mechanical handset lifter
C
The Sennheiser HSL 10 mechanical handset lifter is an optional accessory
available from your Sennheiser partner. The handset lifter allows you to
answer calls even when you are away from your desk.
̈ Connect the base station to the fixed line phone as described in chapter
A
B
or
.
̈ Connect the handset lifter to the ACC socket on the base station.
̈ Connect the handset lifter to the fixed line phone. For more informa-
tion, refer to the instruction manual of the HSL 10 handset lifter.
C
C
A
eadset
H
C I
A
t
e
s
d
a
on
h
P
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Setting up the base station
Connecting the base station to an optional electronic
hook switch control (EHS)
The necessary EHS connection cables as well as adapter cables for manu-
facturer specific standards are available as optional accessories from your
Sennheiser partner. The corresponding quick guides are supplied with
the cables or can be found on the product page on our website at
By way of example of a Siemens and an Alcatel adapter cable, the following
describes how to connect the base station to an electronic hook switch.
1
2
Connect the base station to the fixed line phone.
Use a pointed object (e.g. a ball pen) to set the DIP switch to the posi-
tion shown.
Siemens, Agfeo, Aastra, Auerswald, etc.
1
C
P
C
D
C
C
A
t
e
s
d
a
n
ho
P
2
Alcatel
1
C
P
C
D
C
C
A
t
se
d
a
n
2
ho
P
For an overview of the available connection and adapter cables, visit
the SD series product page on our website at
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Setting up the base station
Connecting the base station to a computer
̈ Connect the USB cable to the PC socket (marked orange) on the base
station and to a USB socket of your computer. The operating system
detects the USB audio device ”Sennheiser DECT” and installs the neces-
sary drivers.
P
P
D
C
C
A
t
e
s
ad
e
H
PC
C
D
C
C
A
t
e
s
d
a
e
H
e
n
o
h
P
Sennheiser PC software
The free Sennheiser PC software allows you to add value to your
Sennheiser products. The Sennheiser Updater, for example, facilitates easy
updating of products with new software. For more information, visit our
SD Series – Setup Guide | 11
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Charging the headset
Charging the headset
Charge the rechargeable battery for at least 20 minutes without interrup-
tion before using it for the first time. A complete charging process takes
about 60 minutes.
Charging the headset using the base station
̈ 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.
25% 50% 75% 100%
SD Office – HS
SD Pro1 – HS
SD Pro2 – HS
During the first charging process, it may take up to 5 minutes until the
Headset LED lights up blue.
Corresponds to a talk time of
LED segment
Required
(white = lit up)
charging time
Wideband
Narrowband
approx. 10 min. approx. 2 hrs
approx. 20 min. approx. 4 hrs
approx. 40 min. approx. 6 hrs
approx. 60 min. approx. 8 hrs
approx. 3 hrs
approx. 6 hrs
approx . 9 hrs
approx. 12 hrs
If the headset is outside the range of the base station, it will switch
off after 30 minutes in order to conserve battery power.
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Charging the headset
Charging the headset using the optional CH 10 headset charger
The Sennheiser CH 10 headset charger is an optional accessory available
from your Sennheiser partner. The CH 10 allows you to charge additional
SD series headsets.
SD Office – HS
SD Pro1 – HS
SD Pro2 – HS
̈ Refer to the instruction manual of the CH 10 for more information.
Charging several headsets simultaneously
The MCH 7 multi USB power source is an optional accessory available from
your Sennheiser partner. Together with the CH 10 USB, the MCH 7 allows
you to charge up to 7 headsets simultaneously.
MZH 7
CH 10 USB
̈ Refer to the instruction manual of the MCH 7 for more information.
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Testing the headset system and the sound quality
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 LEDs on the headset and on the base station go off.
2
Use a pointed object (e.g. a ball pen) to set the DIP switches to the
desired position.
1
Extra
Settings
1
2
3
4
5
6
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 SD BS,
SD BS ML and SD BS Phone base stations.
Switch position
Function
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.
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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 position
Function
Standard radio range
Reduced radio range
Use this setting in order to avoid interference with
other DECT systems
Range of approx. 10 m indoors
Automatically establishing the wireless link between headset and
base station (Auto Link) – DIP switch 4
Switch position
Function
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.
SD Office – HS
SD Pro1 – HS
SD Pro2 – HS
Switching between wideband and narrowband audio transmission –
DIP switch 5
Switch position
Function
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 position
Function
Standard limitation
Limited volume (country specific)
•
AUversion:
in compliance with Directive AS/ ACIF G616:2006
•
EU and US version:
in compliance with Directive 2003/ 10/ EC
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Testing the headset system and the sound quality
Adjusting the audio signal by means of the dial tone
1
2
3
4
Put on the headset and press the Phone button on the base station.
Press the Link button on the headset. The Link LED lights up blue.
Lift the handset. You hear a dial tone.
Set the ABC switch to the position A, B or C so that you can hear a clear
dial tone in the headset.
1
2
3
4
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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.
̈ Make a call to someone who will help you find the correct sensitivity
setting for your microphone.
̈ 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.
̈ Activate this function in order to be able to optimally use the micro-
phone and, via your operating system, adjust the microphone sensiti-
vity 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 connec-
tion, the audio signals – e.g. from Windows Media Player or iTunes –
are automatically transmitted to the headset.
When you receive a call or when a connection to Skype™ 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
̈ 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
̈ Use a pointed object to press the Set button for approx. 5 seconds. The
Link LED rapidly flashes red several times.
5s
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If a problem occurs
If a problem occurs
For causes and solutions that are mainly related to the headset, refer to the chapter “If a problem occurs ...” in
the “User Guide”.
Problem
Possible cause
Possible solution
Page
Headset is placed into the base Base station is not connected
station but the Charge status to the mains power supply
Connect the base station to the
mains power supply.
LED if off
Rechargeable battery is deep
discharged
Wait several minutes until the
Charge status LED lights up.
–
For quick-charging the headset:
Briefly press the Set button at the
bottom of the base station.
Link between headset and
base station cannot be
established
Base station is only connected Connect the base station to the
–
via the USB cable
mains power supply.
Bad radio link between
headset and base station
Transmission range is
exceeded
Reduce the distance between
headset and base station.
Adjust the radio range.
Noise interference and
connection loss
Too many DECT systems within Reduce the radio range.
the radio range
Set the base station to
narrowband transmission.
Distance between base station Increase the distance between
and fixed line phone is so small base station and fixed line phone.
that interference occurs
–
Rechargeable battery cannot
be charged
Headset is not properly placed Check if the headset is properly
into the magnetic holder of the placed into the magnetic holder.
base station
Bad audio quality, the other
party sounds too loud or too
low
Microphone sensitivity is not
correctly adjusted
Adjust the microphone sensitivity.
Sound from the fixed line
phone is distorted and
disturbed
Base station is not adjusted to Use the ABC switch to adjust the
the fixed line phone.
base station to your fixed line
phone.
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.
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Specifications
Specifications
Base station
SD BS/ SD BS ML
Dimensions
Weight
83 x 127 x 121 mm (W x H x D)
approx. 337 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)
SD BS USB/ SD BS USB ML/ SD BS Phone
Dimensions
Weight
83 x 127 x 121 mm (W x H x D)
aprrox. 309 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)
Headset
SD Office – HS
Dimensions
Weight
140 x 24 x 22 mm (W x H x D)
with ear hook: approx. 22 g
with headband: approx. 50 g
Talk time
narrowband: up to 12 hours
wideband: up to 8 hours
Charging time
50%: approx. 20 min
100%: approx. 1 hour
Range
free line of sight: up to 180 m
in office buildings: up to 55 m
(environment dependent)
Speaker type
dynamic, neodymium magnet
Microphone type
electret microphone, noise canceling
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)
SD Pro1/ Pro2 – HS (SD 10)
Dimensions
Weight
170 x 175 x 55 mm (W x H x D)
Pro1: approx. 65 g
Pro2: approx. 85 g
Talk time
narrowband: up to 12 hours
wideband: up to 8 hours
Charging time
50%: approx. 20 min
100%: approx. 1 hour
Range
free line of sight: up to 180 m
in office buildings: up to 55 m
(environment dependent)
Speaker type
dynamic, neodymium magnet
Microphone type
electret microphone, noise canceling
Operating temperature range +5°C to +45°C (+4°F to +113°F)
Storage temperature range –20°C to +70°C (–4°F to +158°F)
SD Series – Setup Guide | 19
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Specifications
Power supply unit
Nominal input voltage
Nominal input current
Mains frequency
100 – 240 V~
max. 0.2 A
50 – 60 Hz
5.9 V
Nominal output voltage
Nominal output current
max. 850 mA
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)
Relative humidity
operation: 20 to 85%
storage: 20 to 95%
Weight
approx. 75 g
DECT
EU, UK, AU version: US version:
CAT IQ 1.0
DECT 6.0
Transmission frequency
1,880 to 1,900 MHz 1,920 to 1,930 MHz
SAR value of SD Office – HS 0.196 W/ kg
(max. 10 g SAR)
0.069 W/ kg
0.093 W/ kg
(max. 1 g SAR)
SAR value of SD Pro1 – HS
SAR value of SD Pro2 – HS
0.044 W/ kg
(max. 10 g SAR)
(max. 1 g SAR)
0.058 W/ kg
0.025 W/ kg
(max. 10 g SAR)
(max. 1 g SAR)
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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 website at
In compliance with the following requirements
•
WEEE Directive (2012/19/EU)
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 (2013/56/EU)
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
•
•
•
•
•
R&TTE Directive (1999/ 5/ EC)
EMC Directive (2014/30/EU)
Low Voltage Directive (2014/35/EU)
ErP Directive (2009/ 125/ EC)
RoHS Directive (2011/ 65/ EU)
product into operation, please observe the respective country-specific
regulations!
SD Series – Setup Guide | 21
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