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Instruction Manual
Bedienungsanleitung
Notice d’emploi
Istruzioni per l’uso
Instrucciones de uso
Gebruiksaanwijzing
Manual de utilização
FLX 70
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Instruction Manual
Bedienungsanleitung
Notice d’emploi
Istruzioni per l’uso
Instrucciones de uso
Gebruiksaanwijzing
Manual de utilização
FLX 70
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Bluetooth QD ID B012858
English
Deutsch
Français
Español
Nederlands
Portugues
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Contents
Important safety instructions............................................................... 2
Features of the FLX 70 ........................................................................... 6
Delivery includes..................................................................................... 6
Operating elements................................................................................ 7
Button overview...................................................................................... 8
Quick Setup Guide................................................................................... 9
Setting up the FLX 70........................................................................... 11
Charging the battery in the headset .................................................. 11
Switching the headset on/off.............................................................. 12
Pairing the headset to mobile phones or other Bluetooth devices13
Wearing the headset ............................................................................. 15
Operating the FLX 70............................................................................ 17
Telephoning with the FLX 70 ............................................................... 17
Changing the speaker volume .............................................................20
Changing the ring tone volume........................................................... 20
Muting/un-muting the headset microphone.................................... 21
Restoring factory settings.................................................................... 21
Maintenance and care.......................................................................... 22
Accessories ............................................................................................ 22
Specifications ........................................................................................ 23
Manufacturer declarations .................................................................. 24
We have designed this product to give you reliable operation over many years. Over half a
century of accumulated expertise in the design and manufacture of high-quality electro-acoustic
equipment have made Sennheiser a world-leading company in this field.
Please take a few moments to read these instructions carefully, as we want you to enjoy your
new Sennheiser product quickly and to the fullest.
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Important safety instructions
The FLX 70 has been manufactured according to the accepted rules of safety and current technology. However,
there is still a danger of damage to equipment if the following general safety instructions are not complied with.
• Read these instructions.
• Follow these instructions.
• Keep these instructions in a location where they are accessible to all
users at all times.
• Always include the operating instructions when you pass the FLX 70
on to third parties.
Intended use
The FLX 70 is an accessory for mobile phones or any Bluetooth compliant device with a “hands free” or a “headset” profile intended for wireless communication via Bluetooth in dry environments.
It is considered improper use when the FLX 70 is used
• for any application not named in these instructions,
• under operating conditions that deviate from those described in these
instructions.
To avoid damage to your hearing
• Set a low volume setting before inserting the earphone!
• Do not use the earphone for long periods of time with a high volume
setting!
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To avoid damage to your auditory canals and eardrum:
• Place a suitable earbud on the earphone (S, M or L). Never insert the
earphone without pads!
• Always insert and remove the earphone from the auditory canal
slowly and carefully! Do not insert the earphone too far into the ear!
• Always keep the earphone dry.
To prevent accidents
• Do not use the headset in environments in which particular attention
must be paid (e.g. on roads or while carrying out manual work).
General instructions
• Never disassemble or modify components of the FLX 70.
• The built-in rechargeable battery may present a fire or chemical burn
hazard if mistreated. Therefore, do not disassemble, heat above 40 °C
(104 °F) or incinerate the rechargeable battery.
• 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 transmitting range.
Before operation
• Use the FLX 70 in dry places only and keep liquids and small electri-
cally conductive parts away from the FLX 70 and its connecting sockets.
• Do not expose the FLX 70 to extreme temperatures. Normal operating
temperatures are 10 °C (50 °F) to 40 °C (104 °F).
• Store the headset in a clean, dust-free environment.
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During charging
• Do not wear the headset when charging.
• Sennheiser Communications is not liable for damages to USB devices
that are not consistent with the USB specifications.
• The headset must be charged either with the FLX 70 power supply
(EU: 502310, UK: 502311, US: 502312), the FLX 70 car charger unit
(502313) or a USB socket of a computer. Never try to charge batteries other than the one in the FLX 70 headset with the FLX 70 power
supply or the FLX 70 car charger unit.
During operation
• 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.
Safety instructions for Lithium-Polymer rechargeable batteries
The FLX 70 has a built-in Lithium-Polymer rechargeable battery. If
abused or misused, rechargeable batteries may leak.
WARNING! In extreme cases, rechargeable batteries may even
Please understand that Sennheiser Communications does not accept
liability for damage arising from abuse or misuse.
present
• a heat hazard
• a fire hazard
• an explosion hazard
• a smoke and gas hazard
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Do not heat above 40 °C/104 °F, e.g. do not expose to
sunlight or throw into a fire.
Do not expose to moisture.
Do not short-circuit.
Do not mutilate or dismantle.
Store the units/re-chargeable batteries in a cool and dry
place at room temperature (approx. 20 °C).
Only charge rechargeable batteries with the appropriate
Sennheiser Communications chargers.
When not using rechargeable batteries for extended periods of time, charge them regularly (every six months for
about 1 hour).
Only charge rechargeable batteries at ambient temperatures between 10 °C and 40 °C.
Do not charge the rechargeable battery if the unit is obviously defective.
Return defective units or units with defective rechargeable
batteries to your specialist dealer.
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Features of the FLX 70
• FlexFit™ technology for perfect fit
• Closed speaker design, shutting out ambient noise
• Flexible and removable earhook for individual wearing comfort
• Interchangeable left/right wearing
• ActiveGard™ protection against acoustic shocks
• Bluetooth 2.0, eSCO and EDR: compatible with all Bluetooth 1.1, 1.2
and 2.0 devices that support the “hands free” or “headset” profile
• Up to five hours talk time
• Up to 100 hours standby time
• Charging directly from USB
• Superior Sennheiser audio quality
• Extremely lightweight and comfortable (14 grams)
Delivery includes
1 FLX 70 Bluetooth headset with built-in rechargeable Li-polymer
battery
2 Extra earbuds, sizes S and L (size M is already mounted)
1 Earhook
1 FLX 70 power supply
1 USB charging cable
1 Lanyard
1 Lanyard clip
1 Instruction manual
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Operating elements
쐃
쐇
쐎
쐋
쐊
쐏
쐄
쐂
쐅
쐃 earhook (removable)
쐇 earbud (exchangeable)
쐋 LED
쐏 socket for power supply
쐄 hook button
쐂 volume up button
쐃
쐈
쐆
쐆 microphone
쐊 grommet for lanyard
쐎 attachment point for lanyard clip
쐅 volume down button
쐈 earhook attachment ball
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Button overview
Button Function Page
12
13
17
19
20
21
17
20
21
17
hook button 쐃
volume up button 쐇
volume down button 쐋
• switch the headset on or off
• enter pairing mode
• accept incoming call
• end a call
• increase the speaker volume
• un-mute the microphone
• accept incoming call
• decrease the speaker volume
• un-mute the microphone
• accept incoming call
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Quick Setup Guide
f First, charge the headset.
For the first charging allow 3 hours. Later, 2 hours suffice to fully
charge the battery. For details see page 11.
3h
*) The car charger unit is available as an accessory (see page 22).
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f Then switch on the headset (details on page 12) and pair it to your
mobile phone. For details and information on how to pair to another
Bluetooth device see page 13.
FLX 70
OK
Keywo rd
0000
f Put the headset on your ear.
(un)muting (p. 21) accepting calls (p. 17)
ending calls (p. 19) voice dialling (p. 18)
redialling (p. 18) volume (p. 20)
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Setting up the FLX 70
Charging the battery in the headset
If you charge the battery for the first time, allow charging for at least
3 hours without interruption. Later, 2 hours suffice to fully charge the
battery.
To charge the battery in the headset:
f Take off the headset and switch it off (see
page 12).
f Connect the USB charging cable to the
socket for power supply 쐏.
f Connect the USB plug of the USB charging
cable to:
– either the USB socket of the FLX 70 power
supply
– or a USB socket of a computer
– or the USB socket of the FLX 70 car charger unit (available as an
accessory)
f Connect either the power supply or the car charger unit to the ap-
propriate power outlet.
If the battery was completely drained, the LED 쐋 flashes red in the
beginning of the charging process. During charging, the LED 쐋 lights
up red. When charging is complete, the LED 쐋 lights up blue.
The charging process cannot be started during an ongoing call. A fully
charged battery provides a talk time of up to five hours or a standby
time of up to 100 hours. When the battery is about to run flat:
쐋
쐏
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• The LED 쐋 flashes red.
• Three beeps are heard in the speaker 3 times with an interval of 15
seconds and thereafter with an interval of 2 minutes.
• Less than 10 minutes of talk time are left.
Switching the headset on/off
Press the hook button 쐄 for more than 3 sec. until the LED 쐋 lights
f
up blue.
The headset is switched on. The LED 쐋 indi-
cates the current operating mode:
– If the LED 쐋 flashes slowly in blue, the
headset is already paired to a mobile
phone. The headset is therefore ready to
use.
– If the LED 쐋 flashes alternatingly in red
and blue, the headset is not yet paired to
a mobile phone. Pair it as described under “Pairing the headset to
mobile phones or other Bluetooth devices” on page 13.
– If the headset is already paired to a mobile phone and if there is
an incoming call on your mobile phone, the call is answered immediately by a single tap on the hook button 쐄.
To switch off the headset:
쐋
쐄
f Press the hook button 쐄 for more than 3 sec. until the LED 쐋
flashes red and then turns off.
All settings are saved. The battery lasts longer, if you switch off the
headset when you are not using it.
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Pairing the headset to mobile phones or other Bluetooth
devices
Pairing to a mobile phone
To be able to use the headset, you must first pair it to your mobile
phone or a similar device with a Bluetooth hands-free or headset profile.
Once you have paired the headset to a mobile phone, the headset is
connected automatically each time this mobile phone and the headset
detect each other.
f Make sure the headset is switched on and placed close to your mo-
bile phone.
– If you have not yet paired the headset to a mobile phone, the
headset enters the pairing mode automatically.
– If you have already paired the headset to
another mobile phone before, you have to
enter the pairing mode manually by first
switching off the headset and then
switching it on again and keeping the
hook button 쐄 pressed for 6 seconds.
– As soon as the headset is in the pairing
mode, the LED 쐋 flashes alternatingly in
red and blue.
쐋
쐄
f On your mobile phone, start a search for Bluetooth devices (see the
manual of your mobile phone) and follow any instructions displayed
on your mobile phone display.
f Once the headset is detected by your mobile phone, select “FLX 70”.
When the Bluetooth connection is successfully established, the head-
set is identified as “FLX 70” in the mobile phone’s display.
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f When your mobile phone prompts a keyword, enter four zeros
(0000).
If pairing was successful, the LED 쐋 flashes slowly in blue.
Once paired, your mobile phone will be able to transfer the call audio
to the headset – either automatically or manually (please see your
mobile phone’s manual whether the call audio is transferred auto-
matically or manually). Most mobile phones show a headset symbol
in their display, if successfully paired.
Pairing to other Bluetooth devices
If you wish to pair the headset to other Bluetooth devices, please see the
Bluetooth device’s manual.
Pairing to several mobile phones
If you wish to pair the headset to a second mobile phone, you first have
to disconnect from the first mobile phone (see the manual of the first
mobile phone). The headset saves up to four pairing profiles. As soon as
the headset is switched on it tries to connect to the mobile phone that it
was last connected to. If this mobile phone is not detected by the headset, you can manually connect it with one of the other three mobile
phones (see the manual of the respective mobile phone).
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Wearing the headset
WARNING! Danger of injury!
If you insert the headset without earbud, your auditory canal can be harmed!
f Never insert the headset without earbud!
You can wear the headset
• with the lanyard, with the earhook 쐃 or with both
• on the left or right ear
Attaching the lanyard
Use the lanyard to prevent the headset from coming off – especially
when you do not use the earhook 쐃! To attach the lanyard perma-
nently:
f Pull the narrow loop of the lanyard through
the grommet 쐊.
f Pull the lanyard through the narrow loop.
쐎
쐊
f Pull tight the lanyard.
To attach the lanyard temporarily:
f Clip the lanyard clip on the attachment
point 쐎.
Exchanging the earbud
If the pre-mounted earbud (size M) does not fit your ear:
f Detach the earbud from the headset and replace it by the larger or
smaller one included in delivery.
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Attaching and adapting the earhook
Please note that the earhook 쐃 has to be turned
when changing from the left to the right ear or vice
versa.
f Clip the earhook 쐃 on the earhook attachment
ball 쐈, so that the earhook can be turned and
inclined to fit comfortably on your ear.
Putting on and adjusting
f Switch the headset on. The LED 쐋 starts
flashing slowly in blue.
f Put the headset on so that the earbud
fits into your auditory canal as shown on
the right.
f Turn the microphone end towards your
mouth.
16
쐈
쐃
쐋
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Operating the FLX 70
Telephoning with the FLX 70
Accepting an incoming call
f Make sure the headset is paired to your mobile phone (see “Pairing
the headset to mobile phones or other Bluetooth devices” on page
13).
When you receive a call, a ring tone is heard in the speaker and the
LED 쐋 flashes blue quickly. To accept this call if the headset is already
switched on:
f Press the hook button 쐄 or one of the
volume buttons 쐂 or 쐅.
A beep is heard in the speaker.
f Start to talk.
To accept the call if the headset is not
switched on:
f Press the hook button 쐄 for more than
3 sec.
The headset is switched on and the call is answered immediately
without any further action, however, there might be a delay depend-
ing on the type of mobile phone you use.
f Put the headset on your ear.
f Start to talk.
쐅
쐋
쐄
쐂
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Rejecting an incoming call
f Press and hold the hook button 쐄 while the
mobile phone is ringing until a beep is heard
in the speaker.
The ring tone stops. Depending on the mo-
bile phone settings, the call is either re-
jected or transferred to a voice mailbox.
Making a call
f Dial the number on your mobile phone as
usual.
If your mobile phone automatically transfers the call audio to the
headset, a beep is heard in the speaker.
If your mobile phone does not automatically transfer the call audio
to the headset, you must press a button on your mobile phone to
transfer the call audio to the headset manually.
쐄
f Start to talk.
Redialling
f Press and hold the hook button 쐄 for 1.5 seconds.
A beep is heard in the speaker. The mobile phone redials the last di-
alled number automatically.
Voice dialling
The voice dialling function must be supported by your mobile phone and
be activated.
f Press the hook button 쐄.
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f Say the name of the other party.
The mobile phone dials the corresponding number automatically.
Ending a call
f Press the hook button 쐄 or use your mobile
phone to end the call.
A beep is heard in the speaker. The call is
ended.
Transferring an ongoing call from the mobile
phone to the headset
f Press the hook button 쐄.
A beep is heard in the speaker. The call au-
dio is transferred to the headset.
Transferring a call from the headset to the mobile phone
쐄
f See your mobile phone’s manual on how to transfer the call audio
from the headset to your mobile phone.
If you leave the transmitting range
If the headset leaves the mobile phone’s transmitting range during a
call:
f The sound quality deteriorates before the connection finally breaks
down.
f Your mobile phone might display the loss of connection.
f See the manual of your mobile phone whether or not your mobile
phone ends the call automatically.
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Changing the speaker volume
Press the volume button 쐂 or 쐅 during a
f
call.
The speaker volume is changed by one
step.
– The speaker volume can be adjusted in
8 steps. The factory setting is 4. When
the minimum or maximum volume is
reached, a beep is heard in the speaker.
– In addition, the adaptive intelligence
“learns” the users preferred settings and adjusts the volume
automatically.
– If you switch off the headset, the current volume setting is saved.
쐅
Changing the ring tone volume
Press the volume button 쐂 or 쐅 while the headset is in standby
f
mode (no active call).
The ring tone volume is changed by one step. The ring tone is played
once in the set volume. The set volume is saved.
– The ring tone volume can be adjusted in 8 steps. The factory set-
ting is 4.
쐂
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Muting/un-muting the headset microphone
To mute the headset microphone:
f Press and hold the hook button 쐄 during
a call until a beep is heard in the speaker.
The microphone is muted. A beep is heard
every 1.5 seconds in the speaker.
To un-mute the headset microphone:
쐄
쐂
f Press either the hook button 쐄 or one of
the volume buttons 쐂 or 쐅.
The beeping stops. The microphone works
as usual.
쐅
Restoring factory settings
You can restore the factory settings of the speaker volume and the
pairing as follows:
f Set the headset to pairing mode as described under “Pairing the
headset to mobile phones or other Bluetooth devices” on page 13.
f Press and hold both the volume but-
tons 쐂 and 쐅 while the headset is in
pairing mode until the LED 쐋 stops flash-
ing for a short time.
Afterwards the LED 쐋 flashes alternat-
ingly in red and blue to indicate that the
headset is in the pairing mode. The head-
set needs to be paired again before using.
쐋
쐂
쐅
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Maintenance and care
If you do not want to use the headset for a longer time:
f Turn the headset off.
f Store the headset in a clean and dry environment.
To clean the headset:
f Only clean with a dry cloth. Do not use any liquids, solvents or clean-
sing agents.
Accessories
502309 USB charging cable
502310 Power supply EU version
502311 Power supply UK version
502312 Power supply US version
502313 Car charger unit
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Specifications
Directional microphone system
Microphone type: electret microphone
Sensitivity: -45 dBV at 94 dB SPL, 1 kHz
Speaker unit
Speaker type: Dynamic – Neodymium magnet
Max. output: 110 dB SPL
General
Dimensions: 52 mm x 20 mm x 31 mm (width x height x depth)
Weight: 10 g (13g with earhook mounted)
Power supply: input 100–240 V AC, output 5 V DC, 150 mA
Car charger
(accessory): input 12–24 V DC, output 5 V DC, 150 mA
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Manufacturer declarations
Warranty regulations
The guarantee period for this Sennheiser Communications product is 24 months – for the
battery 6 months – from the date of purchase. Excluded are accessory items, rechargeable or
disposable batteries that are delivered with the product; due to their characteristics these
products have a shorter service life that is principally dependent on the individual frequency of
use.
The guarantee period starts from the date of original purchase. For this reason, we recommend
that the sales receipt be retained as proof of purchase. Without this proof (which is checked by
the responsible Sennheiser Communications service partner) you will not be reimbursed for any
repairs that are carried out.
Depending on our choice, guarantee service comprises, free of charge, the removal of material
and manufacturing defects through repair or replacement of either individual parts or the entire
device. Inappropriate usage (e.g. operating faults, mechanical damages, incorrect operating
voltage), wear and tear, force majeure and defects which were known at the time of purchase
are excluded from guarantee claims. The guarantee is void if the product is manipulated by nonauthorised persons or repair stations.
In the case of a claim under the terms of this guarantee, send the device, including accessories
and sales receipt, to the responsible service partner. To minimise the risk of transport damage,
we recommend that the original packaging is used. Your legal rights against the seller, resulting
from the contract of sale, are not affected by this guarantee.
The guarantee can be claimed in all countries outside the U.S. provided that no national law
limits our terms of guarantee.
CE Declaration of Conformity
This equipment is in compliance with the essential requirements and other relevant
provisions of Directives 1999/5/EC, 89/336/EC or 73/ 23/EC.
Before putting the device into operation, please observe the respective country-specific
regulations!
FCC statements
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,
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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 device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause
undesired operation.
This Class [*] digital apparatus complies with Canadian ICES-003.
Batteries or rechargeable batteries
The supplied batteries or rechargeable batteries can be recycled. Please dispose of them
as special waste or return them to your specialist dealer. In order to protect the environment, only dispose of exhausted batteries.
WEEE Declaration
Your Sennheiser Communications product was developed and manufactured with high
quality materials and components which can be recycled and/or reused. This symbol
indicates that electrical and electronic equipment must be disposed of separately from
normal waste at the end of its operational lifetime.
Please dispose of this product by bringing it to your local collection point or recycling centre for
such equipment. This will help to protect the environment in which we all live.
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