Spracht ZuM Maestro Combo USB/DECT User manual

ZūM Maestro Combo
USB/DECT™
Wireless Headset with up to 350' of Range
USER GUIDE
English and French

Spracht®
Thanks for purchasing the Zūm Maestro Combo USB/
DECT™ Headset. This comfortable headset allows you
to take and make phone calls wirelessly with your
Deskphone, but also to use it as a Softphone on your PC/
Mac via USB.
Headset Features:
• Volume and mute controls on the headset.
• Wideband audio for exceptional sound quality.
• Intuitive headset multi-function button for easy call handling.
• LED and audio indicators.
• Advanced hearing protection to cut out sudden loud
volumes.
• Noise-canceling microphone.
Base Unit Features:
• Headset recharge docking cradle.
• Visual call status indicators.
• Visual wireless connection status indicators.
• Mute indicators.
• Battery indicators.
• Voice-prompted configuration.
• Volume adjustment.
• Port for an EHS cable. You can install a remote handset
lifter if your phone doesn’t have EHS capability. Both are
available separately on our website, www.spracht.com.
• Work with Deskphone & as Softphone (Skype for
Business and other VoIP apps) with PC/Mac.
i

ZūM Maestro Combo USB/DECT™
Contents
Product Features...................................................................i
Package Contents.................................................................ii
Setup ........................................................................................1
Connecting to a Deskphone
With a Headset Port ........................................................1
Without a Headset Port ..................................................1
With a Remote Handset Lifter .......................................2
With Electronic Hook Switch (EHS) ..............................2
Connecting to a Computer .................................................3
Docking the Headset/Charging/Pairing with Base......3
Alternating Between Deskphone and Computer ........4
Configuring the Deskphone Audio
Adjust for clear dial tone ................................................4
Adjust for Microphone and Receiver volume ..........5
Headset Features and Functions
Headset Multi-function button .....................................5
Headset Mute button .....................................................5
Headset LED Indicators .................................................6
Base Visual Indicators ....................................................6
Call Management
Making Calls, Answering and Ending Calls
For Phones without a headset port or .......................6, 7
handset lifter or EHS Cable
For Phones with a headset port ..................................7
For Phones with a handset lifter or EHS cable .......7
Switch between Phone and Headset .............................8
Conference Calling With Multiple Headsets..................8
Making a Conference Call ..................................................8
Technical Specifications .....................................................9
Headset Battery ...............................................................10
Base .....................................................................................10
Safety Instructions ................................................................10
FCC Declaration and Certifications .................................11
Warranty ..................................................................................12

Spracht®
Package Contents
Headset
➊ Mic Mute
➋ Headset Volume Up
➌ Noise Canceling
Microphone
➍ Headset Status LED
➎ Multiple Function Button
➏ Headset Volume Down
Base Back and Front
➐ Charging Contacts
➑ Page Switch
➒ Mic Volume UP/DOWN
➓ Mini USB Port
Power Adapter Jack
Handset Port
Telephone Port
AUX Port for EHS Cable
Dial Tone Switches
Headset Volume UP/DOWN
Deskphone / USB Mode LEDs
Audio Link Indicator
Mute Indicator
Battery Status
Power Adapter
Mini-USB Cable
Telephone Cable
➑
➒
➐
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ZūM Maestro Combo USB/DECT™ 1
Setup
Connecting to a Deskphone
Phone With a Headset Port
Check whether your Deskphone has a dedicated headset
port (usually at the back of the phone). These phones
typically have a button on the front panel for switching
between handset and headset.
1. Plug the supplied telephone cable into the port marked
on the base.
2. Connect the telephone cable to the headset port on the
Deskphone.
Phone Without a Headset Port
If your Deskphone does not have a dedicated headset port:
1. On the Deskphone, unplug the handset cable from the
phone body.
2. Connect the handset cable to the port marked on the
base.
RJ09
A
B
C
D
E
F
G
RJ09
A
B
C
D
E
F
G

Spracht®
2
3. Plug the supplied telephone cable into the port marked
 on the base.
4. Connect the telephone cable into the handset port on
the Deskphone.
Deskphone With a Remote Handset Lifter
If you have a Handset Lifter which physically lifts the
Deskphone handset to make or answer a call, check the
mounting instructions in the documentation that came with
the Handset Lifter.
1. On the Deskphone, unplug the handset cable from the
phone body.
2. Connect the handset cable to the port marked on the
base.
3. Plug the supplied telephone cable into the port marked
on the base.
4. Connect the telephone cable into the handset port on
the Deskphone.
5. Connect the Handset Lifter cable into the port marked
AUX on the base.
Deskphone With an Electronic Hook Switch (EHS)
An EHS adapter enables an incoming call to be answered
or ended by the headset Multi-Function button. EHS cables
are sold separately for certain phones. Please check the
Spracht website for more information.
1. Connect the EHS adapter as shown in the documentation
supplied with the EHS. On some phones the telephone
cable will also need to be connected.
RJ09
A
B
C
D
E
F
G
Hand
set
Lifter

ZūM Maestro Combo USB/DECT™ 3
2. Call your connected Deskphone using another phone
to activate the EHS adapter. Wait 10 seconds before
answering the phone.
Powering the Base
1. Plug the power adapter into the DC jack marked +  on
the base.
2. Connect the power adapter to a wall power outlet.
Connecting to a Computer
1. Plug the Mini-USB end of the cable into the base and the
USB into a port in your computer: PC or Mac.
2. Open the VoIP application you want to use, ie. Skype
for Business. Choose Zūm Maestro Combo USB/
DECT™ in settings. This should allow you to answer
and end Softphone calls from the Multi-function button
on your headset.
Docking the Headset/Charging/Pairing with Base
1. Press the Multiple Function button on the Headset; after
the LED lights up for 2 seconds, it will be powered on.
2. Press the Multiple Function button again, or dock the
headset and re-lift it, you will see that the Audio Link
indicator LED is on, which confirms the connection
between the headset and base is set up correctly.
3. If docked correctly, the headset battery will begin
charging, if needed (the LED will flash while charging).
Charge for 20 minutes or until the battery indicator LED
shows steady green.
4. If you want to clear the pairing of the headset with the
base, press the R+ button on the back of the base. The
battery charging LED will flash 3 times.
5. To re-pair the base with the headset, press the PAIR
button for 5 seconds: the Paired light on the base will
flash to indicate it’s searching for the headset. On your
headset, press and hold the MUTE button until you see
the headset’s Status LED flash. This will indicate the
headset and base are paired. The LEDs on the headset
and base will shut o at the same time.

Spracht®
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Alternating Between Deskphone and Computer
When you connect the base to the power adapter, Zūm
Maestro Combo USB/DECT™ will be in default mode, which
is Deskphone. The LED in the front of the base will indicate
Deskphone mode.
To switch to Softphone mode with your computer, connect
the USB cable to the base and your computer. Press the
PAGE button on the back of the base. The LED on the front
of the base should indicate Computer mode.
Your computer should automatically recognize your
headset and install whatever drivers might be needed.
To switch back to Deskphone mode, press the PAGE button
on the back of the base again; the LED on the front of the
base should indicate Deskphone.
Configuring the Deskphone Audio
Due to the large variety of Deskphone brands/models,
you will need to set a clear dial tone before using ZūM
Maestro Combo USB/DECT™ for the first time. Setting a
clear dial tone will enable the device to function correctly
with your specific Deskphone. It is also important to
customize the microphone and receiver volume for your
optimal sound quality.
Adjust for clear dial tone
1. Put the Headset on.
2. Get a dial tone by pressing the headset button on the
Deskphone, or by lifting the Deskphone’s handset.
3. Using the Dial Tone switches at the back of the Base,
compare the dial tones after rotating the switch from A
through to G.
4. Choose the best switch position. Choose the position
with loud, clear and undistorted dial tone.
5. When you have set the best tone, press the headset
button on your Deskphone or replace the phone’s
handset.

ZūM Maestro Combo USB/DECT™ 5
Adjust for Microphone and Receiver volume
1. Put the Headset on.
2. Get a dial tone by pressing the headset button on your
Deskphone or by lifting the Deskphone handset.
3. Make a test call. Call a co-worker or friend to test your
microphone and receiver volumes. Ensure the person
you called does not adjust the volume on their end.
6. Adjust the microphone volume using the Microphone
Volume +/- buttons on the back of the Base (see item 9
on page ii), based on what the person on the other end
says about the volume.
7. Adjust the Receiver volume using the Receiver Volume +/-
buttons on the back of the Base (see item 16 on page ii), if
the volume in your headset is too loud or too low for you.
8. After you’re done configuring your headset, end the call.
Headset Features and Functions
Headset Multi-function button (see diagram on page ii)
The Multi-Function button allows you to answer and end
calls from the headset.
Function Tap Press
Answer incoming call 
End call 
Power On 
Power O 
Headset Mute button (see diagram on page ii)
You can Mute and Mute Cancel the Headset microphone.
Function Tap Press
Microphone Mute 
Mute Cancel 
To use for Pairing with base 

Spracht®
Headset LED Indicators
Headset mode LED Indicator
Power On On for 2 sec
Power O On 100ms, Off 100ms, Flash 3s
Pairing On 250ms, Off 250ms, Flash
Standby On 250ms, Off 8s, Flash
Connected Steady On
Online Steady On
Incoming Call On 300ms, Off 700ms, Flash
Headset Docked On 3s, Off 5s, Flash
Low Battery On 300ms, Off 100ms, On 300ms,
Off 500ms, Flash
Base Visual Indicators
The Zūm Maestro Combo USB/DECT™
base unit has 5 LEDs to indicate
battery, call status, and events.
➊
➋
➌
➍
➎
➊LEDs to indicate which is active, Deskphone or PC/Mac
➋Deskphone and Computer icons
➌Indicates link is active between Headset and base;
Blinking indicates searching for headset
➍Microphone Mute On/O LED
➎Battery indication: Flashing means charging, Solid on
means fully charged, Not lit means unknown status
Call Management
Making Calls, Answering and Ending Calls
For Phones Without a Headset Port/ Handset Lifter/EHS Cable
6

ZūM Maestro Combo USB/DECT™
Make a Call
1. Press the Multi-Function button or lift the headset from
the docking cradle.
2. Pick up the phone’s handset and set it on the desk.
3. Dial the phone number through the Deskphone keypad.
Answer a call
1. Press the Multi-Function button or lift the headset from
the docking cradle.
2. Pick up the phone’s handset and set it on the desk.
End a Call
1. Set the phone’s handset back on the Deskphone.
2. Press the Multi-Function button or return the headset to
the docking cradle.
For a Phone With a Headset Port
Make a call
1. Press the Multi-Function button or lift the headset from
the docking cradle.
2. Press the headset button on your Deskphone.
3. Dial numbers through the Deskphone keypad.
Answer a call
1. Press the Multi-Function button or lift the headset from
the docking cradle.
2. Press the headset button on your Deskphone.
End a call
1. Press the headset button on your Deskphone.
2. Press the Multi-Function button or dock the headset.
For a Phone With a Handset Lifter or EHS Cable
Make a call
1. Press the Multi-Function button or lift the headset from
the docking cradle.
2. Press the headset button on your Deskphone.
3. Dial numbers through the Deskphone keypad.
Answer a call
1. Press the Multi-Function button or lift the headset from
the docking cradle.
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Spracht®
End a call
1. Press the Multi-Function button or dock the headset.
Switch Between Phone and Headset
For Phones Without a Headset Port/ Handset Lifter/EHS Cable
Switch from Deskphone to headset
1. Lift the headset from the docking cradle.
2. Leave Deskphone handset o the phone body, as
returning it will hang up the call.
Switch from Headset to Deskphone
1. Lift the Deskphone handset.
2. Dock headset or press the Multi-function button.
3. You may need to refer to your specific Deskphone’s
documentation. In some cases a button must be pressed
on the Deskphone, while in others the switch from
handset to Deskphone will be automatic.
Conference Calling with Multiple Headsets
The Zum Maestro DECT™ is able to pair with a total of
four Headsets for conferencing: one Primary and three
Secondary Headsets.
Connecting the second and additional Headsets
1. Using the Primary Headset which is already linked with
the Base, press the PAGE switch on the Base for 5s. The
Base starts searching for a Headset to pair to. Press the
second Headset’s Mute button until the Headset status
LED on the Base flashes, indicating the Headset is in
pairing mode. Connection will be successful when the
LEDs turn o at the same time.
2. Repeat the above to connect the 3rd and 4th Headsets.
Making a Conference Call
1. Press the Multi-Function button to connect the headsets;
the audio will shared by all the headsets.
2. You can now make your conference call from the
Primary Headset.
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ZūM Maestro Combo USB/DECT™ 9
Ending or leaving the conference
The Primary Headset user can end the conference by
hanging up on the call. The call is ended for all Headsets.
The Secondary Headset users can leave a conference by
pressing the multi-function button on their headsets, or by
docking the Headset with the base. The onference call is
still active for the other Headset(s).
Technical Specifications
• Operating environment: 32°F  104°F (0°C  +40°C);
Humidity up to 95% Rh non-condensing.
• Call control: Multi-Function button supports answer/end
call; docking operations also answer/end calls.
• Volume Control and Microphone Mute: button controls
on Headset.
• Visual indicators: LEDs indicate call status, pairing status and
other events.
• Audio indicators: Tones indicate incoming calls, low battery,
volume level, microphone muting and other events.
• Sound quality: DSP noise reduction; echo cancellation;
tone control; wideband and narrow band audio.
• Headset Recharge: While docked in the Base.
• Wireless standard: (CAT - IQ) European DECT and U.S. DECT.
• DECT range: For U.S. DECT, up to 350 feet from Base to
Headset. For European DECT, up to 120 meters from Base
to Headset.
• DECT frequencies: US DECT: 1.92  1.93 GHz., EU DECT:
1.88  1.90 GHz.
• Wearing-styles: Headband and Over-the-ear
• Microphone boom arm style: Long boom arm
• Speaker(s): Wideband speaker.
• Microphone: noise-canceling microphone.
Headset Battery
• Battery type: Lithium-ion polymer.
• Battery capacity: 300 mAh standard.
• Battery talk time: Up to 8 hours.

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• Battery life: Minimum recharging 1000 times.
• Battery standby time: At least 36 hours.
• Operating temperature range: -20°C +60°C.
• Battery charging time: Less than 20 minutes to charge
20%. Less than 45 minutes to charge 50%. Fully
charged in less than 3 hours.
• Battery storage life: Headset battery holds charge for
six months in OFF State.
Base
• Dimensions: 3.8"x 3"x 4.7"(97mm x 75 mm x 120 mm)
• Wireless standard: (CAT - IQ) European DECT and U.S. DECT.
• Operating environment: 32° 104°F (-0° +40°C); Up to
95% Rh non-condensing.
• Deskphone connections: RJ-11 for handset, RJ-11 for
phone body (or headset port), RJ-45 for AUX (for EHS
Cable or lifter).
• Clear Dial Tone and microphone volume switch:
Electromechanical switches. Clear Dial Tone switch and
microphone volume level set manually.
Important Safety Instructions
Please dispose of the Headset according to local regulations
and recycle when possible.
• Do not dispose as household waste.
•Useonlythe power cordandbattery indicated inthismanual.
• Do not dispose of batteries in a fire. They may explode.
• Check with local codes for disposal and/or recycling
instructions.
RF Warning Statement: This equipment complies
with FCC radiation exposure limits set forth for an
uncontrolled environment. This transmitter must not be
co-located or operating in conjunction with any other
antenna or transmitter.

ZūM Maestro Combo USB/DECT™ 11
FCC Declaration
This device complies with Part 15 of the FCC rules. 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.
Warning: Changes or modifications to this equipment not
expressly approved by Spracht could void your warranty
and your ability to operate the equipment.
Note: 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
particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment o and on, the user
is encouraged to try to correct the interference by one or
more of the following measures:
• Reorient or relocated the receiving antenna.
• Increase the separation between the equipment and
the receiver.
• Connect the equipment into an outlet on a circuit
dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV
technician for help.
Warranty
Spracht warrants its products against defects or malfunctions in
material and workmanship under normal use and service, with
the exceptions stated below. This warranty lasts for one year from
the original date of purchase. Coverage terminates if you sell or

Spracht®
Certifications
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otherwise transfer the product. In order to keep this warranty in
eect, the product must have been handled and used as prescribed
in the instructions accompanying the product. Spracht shall (at its
option) repair or replace a defective unit covered by this warranty,
or shall refund the product purchase price. Repair, replacement
with a new or reconditioned unit, or refund, as provided under this
warranty, is your exclusive remedy. This warranty does not cover any
damages due to accident, misuse, abuse, or negligence. Spracht
shall not be liable for any incidental or consequential damages.
Some states do not allow limitation or exclusion of incidental or
consequential damages, so the above limitation or exclusion may
not apply to you. Implied warranties of merchantability and fitness
for a particular purpose are limited in duration to the duration of
this warranty. Some states do not allow limitations on how long an
implied warranty lasts, so the above limitation may not apply to you.
To make a warranty claim, the purchaser must obtain a return
authorization number (RA) from Spracht (serial number and
purchase date required), and then return the product to Spracht
at purchaser’s expense. A copy of the original dated receipt or
shipping document must accompany the product. To obtain a
return authorization, see Warranty on our website www.spracht.
com, e-mail [email protected], or contact us at:
Spracht
974 Commercial Street, Suite 108
Palo Alto, CA 94303 USA
Tel.: [phone] Fax: [phone]
For repair or replacement of a failed product, allow 4 to 6 weeks
for processing and shipment. This warranty gives you specific
legal rights, and you may also have other rights which vary from
state to state.

GUIDE DE L’UTILISATEUR
Français
ZūM Maestro Combo
USB/DECT™
Casque sans fil avec une portée de jusqu’à
350 pieds
FR

Nous vous remercions de l’achat de votre micro-casque
Zūm Maestro Combo USB/DECT™. Ce micro-casque
confortable vous permet de prendre et de passer des
appels téléphoniques sans fil avec votre téléphone de
bureau, mais aussi de l’utiliser comme un Softphone sur
votre PC/Mac via l’USB.
Caractéristiques du casque:
•Commandes de volume etdemiseensourdinesurlecasque.
• Audio large bande pour une qualité sonore exceptionnelle.
• Touche multifonctions pour un casque intuitif pour faciliter
la gestion des appels.
• Voyants LED et audio.
•Protection auditiveavancée pourcouper lesbruits soudains.
• Microphone supprimant les bruits.
Caractéristiques de la base:
• Base de recharge du casque.
• Voyants visuels du statut d’appel.
• Voyants visuels du statut de la connexion sans fil.
• Voyants de la mise en sourdine (muet).
• Voyants de la batterie.
• Configuration de la diusion vocale.
• Réglage du volume.
• Port pour un câble EHS. Vous pouvez installer un
décrocheur de combiné à distance si votre téléphone ne
possède pas la fonction EHS. Les deux sont disponibles
séparément sur notre site Web : www.spracht.com.
• Fonctionne avec un téléphone de bureau et comme
Softphone (Skype for Business et d’autres applications
VoIP) avec PC/Mac.
i

Contenu
Caractéristiques du produit..................................................... i
Contenu de l’emballage........................................................... ii
Installation .................................................................................... 1
Connexion à un téléphone de bureau
Avec un port pour casque .................................................. 1
Sans port pour casque ........................................................ 1
Avec un décrocheur de combiné à distance ................. 2
Avec crochet commutateur électronique (EHS)............ 2
Connexion à un ordinateur...................................................... 3
Raccordement du casque/chargement/couplage sur la
base............................................................................................. 3
Alterner entre le téléphone de bureau et l’ordinateur.... 4
Configuration de l’audio du téléphone de bureau
Réglage de la tonalité ......................................................... 4
Réglage du volume du microphone et du récepteur.. 4, 5
Caractéristiques et fonctions du casque
Bouton Multifonction du casque ...................................... 5
Bouton Mute du casque ..................................................... 5
Voyants LED du casque ..................................................... 6
Indicateurs visuels sur la base .......................................... 6
Gestion des appels
Passer, répondre et terminer des appels
Pour téléphone sans port de casque/Décrocheur ...... 7
de combiné/Câble EHS
Sur un téléphone avec un port de casque ................... 7
Sur un téléphone avec un décrocheur de combiné ou
EHS .......................................................................................... 7
Basculer entre le téléphone et le casque .......................... 8
Conférence téléphonique avec plusieurs casques .......... 8
Eectuer une conférence téléphonique.............................. 8
Spécification technique ........................................................... 9
Batterie du micro-casque ................................................... 9, 10
Base ......................................................................................... 10
Consignes de sécurité ............................................................. 10
Déclaration et certifications FCC .......................................... 11
Garantie ....................................................................................... 12
FR

Spracht®
ii
Casque
➊ Désactivation du micro
➋ Augmentation du volume
du micro-casque
➌ Microphone à suppression
de bruit
➍ Voyant d’état du micro-
casque
➎ Bouton de Multifonction
➏ Réduction du volume du
micro-casque
Arrière et avant de la base
➐ Contacts de charge
➑ Interrupteur Couplage
➒ Volume du microphone HAUT/BAS
➓ Port mini-USB
Prise d’adaptateur secteur
Port du combiné
Port du téléphone
Port AUX pour le câble EHS
Commutateurs de tonalité
Volume du micro-casque HAUT/BAS
Téléphone de bureau / LED du
mode USB
Indicateur de lien audio
Indicateur de sourdine
État de la batterie
Adaptateur secteur
Câble mini-USB
Câble de téléphone
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Contenu de l’emballage