AT&T Marathon User Manual
AT&T Marathon™ Cordless Headset
User's manual
Congratulations
on your purchase of this AT&T product. Before using this AT&T
product, please read the Important safety information on pages
44-48 of this manual. Please thoroughly read this user’s manual
for all the feature operations and troubleshooting information
necessary to install and operate your new AT&T product.
This telephone meets the California Energy Commission
regulations for energy consumption. Your telephone is set up to
comply with the energy-conserving standards right out of the
box. No further action is necessary.
Model name: Marathon™ (Headset and headset base)
Type: DECT 6.0 cordless headset
Serial number:
Purchase date:
Place of purchase:
Both the model and serial numbers of your AT&T product can be
found on the bottom of the headset base.
Save your sales receipt and original packaging in case it is
necessary to return your product for warranty service.
© 2016 Advanced American Telephones. All Rights Reserved. AT&T and
the AT&T logo are trademarks of AT&T Intellectual Property licensed to
Advanced American Telephones, San Antonio, TX 78219. Printed in China.
Marathon™ is a trademark of Headsets.com, licensed to Advanced American
Telephones.
Parts checklist
Check to make sure the package includes the following items.
Save your sales receipt and original packaging in the event
warranty service is necessary.
Over the
head band
Behind the
neck band
Headset base
power adapter
Line
splitter
Colored
label
(light blue)
User's manual Quick start guide Cordless
headset
Over the ear hook
Headset base Battery
compartment
cover
Battery for
headset
Telephone line cords
(4-conductor and
2-conductor)
AT&T Marathon™ Cordless Headset
User's manual
AT&T Marathon™ Cordless Headset
Quick start guide
Optional accessories
The following optional accessories are compatible with your
headset and base:
The AT&T Handset Lifter with optional external ring detector.
The AT&T Wireless Remote Dial Pad allows you to place calls
when away from your telephone. The dial pad also allows
you to use the headset as a stand-alone product without a
connection to a telephone.
The remote dial pad does not work with an AT&T Marathon
cordless headset system that is connected to a telephone that
is part of a digital business system, unless there is an analog
adapter on the line. Contact your IT department, telephone
administrator, or your telephone service provider to determine if
the remote dial pad is compatible with your telephone system.
•
•
AT&T MarathonAT&T Handset lifter Remote Dial Pad
User’s manual
AT&T Marathon™
Cordless Headset
Table of contents
Getting started
Quick reference guide -
headset ......................................... 1
Headset indicator lights ....... 1
Alert tones ...................................... 3
Headset alert tones ................ 3
Quick reference guide -
headset base ............................. 4
Headset base indicator
lights .............................................. 6
Installation ...................................... 7
Battery installation ..................... 8
Installation preparation ........ 9
Battery charging .........................10
No lifter mode or
lifter mode .................................11
Cord labels .................................12
Digital subscriber line
(DSL) ..............................................12
Installation options ................ 13
Option 1: Headset base
with corded or cordless
phone installation ..................14
Option 2: Headset base
stand-alone installation ...... 15
Option 3: Headset base
with corded phone for
multiple line
system or
digital business system
installation .................................... 16
Adjust the lifter audio ..........17
Adding and registering
a headset....................................18
Registration options .............. 18
Option 1: To register a
previously deregistered
Marathon headset to the
headset base ............................ 19
Option 2: To register the
headset to an AT&T DECT
6.0 cordless telephone
base ...............................................20
Deregistering a headset ........21
To deregister the headset
from the headset base ........21
Headset attachments ............... 22
Over the ear hook ..................22
Over the head band ..............25
Behind the neck band ..........27
Operation
Headset operation ..................... 29
Making a call.............................29
Answering a call on the
headset ........................................30
Ending a call on the
headset ........................................31
Auto off .......................................31
Temporary ring tone
silencing ...................................... 31
Options while on calls .............32
Volume control ........................32
Call waiting ................................32
Switch a call between a
handset and headset ............33
Multiple headset/
handset use ...............................34
Intercom calls and
transfers ...................................... 34
Mute ..............................................35
Appendix
Troubleshooting ..........................36
Important safety
information ................................44
Safety information..................44
Especially about cordless
headsets .....................................46
Precautions for users
of implanted cardiac
pacemakers ...............................48
For C-UL compliance ................ 49
Mesures de sécurité
importantes ...............................49
Maintenance..................................55
FCC, ACTA and IC
regulations .................................56
California Energy Commission
battery charging testing
instructions ................................ 61
Limited warranty .........................62
Technical specifications .......... 66
DECT 6.0 digital
technology .................................66
Operating range ...................... 66
Extended range and
clarity ...........................................66
Index
Index ................................................. 67
1
Quick reference guide - headset
Getting started
ON/OFF light status
On Headset is charging in the headset base.
Headset is trying to register to the headset base.
Headset is searching for the headset base.
•
•
•
Flashing Flashes slowly when an incorrect type of battery
is installed.
Flashes three times, followed by a pause. This
cycle repeats three more times and then shuts
down to indicate that the battery is very low.
Flashes twice every five seconds to indicate that
the headset is not registered.
Flashes every 20 seconds to indicate that the
battery is low and needs to be charged in the
headset base.
Flashes every three seconds to indicate that the
headset is in use.
Flashes quickly when there is an incoming call.
•
•
•
•
•
•
Headset indicator lights
ON/OFF
Press to make, answer, or end
a call.
2
Getting started
Quick reference guide - headset
VOLUME /+ -
Press the volume keys on the
side of the headset to adjust the
listening volume when on a call
(page 32).
MUTE/FLASH
Press to mute the microphone
during a call (page 35).
Press and hold to answer a call
waiting call while on a call
(page 32).
Press to mute the ring tone in
the earpiece when there is an
incoming call.
Battery compartment cover
Remove to install or replace
the battery (page 8).
Earpiece
Microphone
3
Getting started
Three quick beeps
A VOLUME /+ - key is pressed when
the volume is already at its highest or
lowest setting.
The headset is not registered and the
headset ON/OFF button is pressed.
The headset is out of range from the
headset base during a call.
•
•
•
One short beep
every 20 seconds
Low battery warning.
One short beep
every 15 seconds
The call is muted.
One long beep
(repeated)
Call waiting alert tone.
One short beep The headset ON/OFF key is pressed to
go on hook or off hook.
Alert tones
Headset alert tones
4
Getting started
Quick reference guide - headset base
NO LIFTER MODE light
On when NO LIFTER MODE is
selected.
Flashes while on a call, or another
telephone is in use on the same line.
Flashes quickly when there is an
incoming call.
Charging cradle
Insert the headset here for charging
(page 10)
.
PAIR
Press and hold to begin headset
registration (pages 18-20) or
deregistration (page 21).
LIFTER MODE light
On when LIFTER MODE is selected.
Flashes while on a call.
Flashes quickly when there is an
incoming call.
MUTE light
On when a call is muted.
5
Getting started
VOLUME /
Press the volume keys on the side
of the headset base to adjust the
speaking volume while on a call
(page 32).
LIFTER AUDIO ADJUST
Switch to choose the best
headset audio quality when using
LIFTER MODE. See page 17 of this
manual or the handset lifter user's
manual for more information.
Quick reference guide - headset base
MODE
Press to choose between
NO LIFTER MODE or LIFTER MODE
when the headset is not in use.
The corresponding light turns on
(page 11).
6
Getting started
NO LIFTER MODE On when NO LIFTER MODE is selected
(default mode).
Flashes quickly when there is an
incoming call.
Flashes when the headset is in use or
another telephone on the same line is
in use.
•
•
•
LIFTER MODE On when LIFTER MODE is selected.
Flashes quickly when there is anquickly when there is an
incoming call.
Flashes when the headset is in use.
•
•
•
MUTE On when a call is muted.
On when you are registering a headset.
Flashes when you are deregistering the
headset(s) from the headset base.
•
•
•
Indicator lights
Headset base indicator lights
NO LIFTER MODE
LIFTER MODE
MUTE
7
Getting started
Avoid placing the headset base too close to:
• Communication devices such as television sets, VCRs or other
cordless telephones.
• Excessive heat sources.
• Noise sources such as a window with traffic outside, motors,
microwave ovens, refrigerators or fluorescent lighting.
• Excessive dust sources such as a workshop or garage.
• Excessive moisture.
• Extremely low temperature.
• Mechanical vibration or shock such as on top of a washing
machine or work bench.
Installation
See pages 8-10
for instructions.
You must install and
charge the battery before
using the headset.
STOP!
If you subscribe to high-speed Internet service (DSL - digital
subscriber line) through your telephone line, you must install a
DSL filter between the telephone line cord and the telephone
wall jack. The filter prevents noise and caller ID problems caused
by DSL interference. Please contact your DSL service provider for
more information about DSL filters.
8
Getting started
Battery installation
Install the battery, as shown below. After installing the battery,
you may be able to make and receive short calls. For optimal
performance, charge the headset battery for at least six hours
before use. When fully charged, the headset battery provides
approximately 10 hours of talk time or five days of standby time.
When the headset is not in use, recharge by returning it to the
headset base.
If the battery compartment cover is
attached, press on both sides of the
cover and lift it up and off.
Insert the battery into the battery
compartment with the label
THIS SIDE UP facing up.
Push the battery plug into the
connector inside the compartment
according to the color-coded label.
Place the wires neatly inside
the compartment.
Insert the tab on the bottom of the
battery compartment cover into the
battery compartment.
Press down gently on the battery
compartment cover until it snaps
into place.
NOTE: Remove the ear hook from the headset (see page 24) before
battery replacement.
1.
2.
3.
4.
5.
4
2
3
1
9
Getting started
Headset base installation
Installation preparation
Before installing the headset base, remove the rear bottom piece
of the headset base by pushing it away from the base, as shown
in Figure 1.
Install the headset base, as shown on the following pages.
After completing installation option 1, 2 or 3 (see page 13), slide
the rear bottom piece into the headset base until it clicks into
place, as shown in Figure 2.
Figure 1
Figure 2
10
Getting started
Push
ON/OFF light
Battery charging
After installing the battery, charge the headset by placing it in
the headset base, as shown below. The headset ON/OFF light is
on when the headset is charging.
CAUTION:
There may be a risk of detonation if you use a wrong type of
battery. Use only the supplied rechargeable battery or a proper
replacement battery.
1. Insert the headset into
the charging cradle.
2. Push the headset downward
until the ON/OFF light on
the headset turns on.
Insert
11
Getting started
Headset base installation
No lifter mode or lifter mode
There are two answer modes available on the
headset base. The current mode is indicated
by the NO LIFTER MODE or LIFTER MODE lights
on the front of the headset base.
When plugging your headset base into the
telephone wall jack (installation option 1
or 2), make sure the headset base mode is set
to NO LIFTER MODE.
-OR-
When connecting your headset base to a multiple line corded
telephone (installation option 3), make sure the headset base
mode is set to LIFTER MODE and that the LIFTER AUDIO ADJUST
is switched for the best headset audio quality (see page 17).
To change the answer mode:
When the headset is not in use, press MODE on the headset
base to select NO LIFTER MODE or LIFTER MODE. The
corresponding light on the front of the headset base turns on to
indicate the current mode.
For complete instructions on installing and using the handset
lifter, see the handset lifter user’s manual.
NOTE: If you are using the handset lifter, you must use LIFTER MODE.
•
•
MODE
12
Getting started
Headset base installation
Cord labels
The cords provided with your headset are attached with colored
labels to help you plug them into the correct jacks on the
headset base. Each jack on the headset base is labeled and
marked with a colored dot, allowing you to plug in the correct
cords by matching the colors.
If you are using installation option 3, you can attach the
provided light blue colored label to the end of the curly handset
cord of your telephone that you plug into the headset base.
Digital subscriber line (DSL)
If you subscribe to high-speed Internet service (DSL - digital
subscriber line) through your telephone line, you must install a
DSL filter between the telephone base and the telephone wall
jack. The filter prevents noise and caller ID problems caused by
DSL interference. Please contact your DSL service provider for
more information about DSL filters.
13
Getting started
Headset base installation
Installation options
IMPORTANT: If you purchased a handset lifter with your headset,
follow the installation instructions in the lifter manual.
If you purchased the AT&T Marathon without the lifter, you have
three installation options:
Option 1: Connect the headset to a corded or cordless telephone
(see page 14). You can use the provided line splitter to connect the
headset to a telephone.
Option 2: Connect the headset to a telephone wall jack (see
page 15). This option enables you to use the headset with a single
telephone line with or without a telephone.
Option 3: Connect the headset base to the curly handset cord of a
corded telephone (see page 16).
For this option, you can use the headset with a multiple line corded
telephone (such as the AT&T 1080, 1070 or 1040) or a digital
business system (such as a proprietary PBX telephone system). This
option requires the Marathon to be in LIFTER MODE to operate. You
may need to change the LIFTER AUDIO ADJUST setting on the base
for the best headset audio quality (see page 17).
14
Getting started
Headset base installation
Option 1: Headset base with corded or cordless phone installation
To use this installation option, make sure the headset base mode
is set to NO LIFTER MODE.
Plug one end of the
telephone line cord into
the TEL WALL JACK (red
dot) at the back of the
headset base.
•
Telephone
line cord
Plug the other end of
the telephone line cord
into the line splitter.
•
Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
•
Line splitter
Cordless or corded
phone
Connect another
telephone line cord
between the telephone
and the line splitter.
•
Plug the line splitter
into the telephone wall
jack (or DSL filter if
you subscribe to DSL
Internet service).
•
A DSL filter
(not included) is
required if you have
DSL high-speed
Internet service.
The DSL filter must
be plugged into the
telephone wall jack.
Plug the small end
of the headset
base power
adapter into the
POWER jack
(green dot) at
the back of the
headset base.
•
15
Getting started
Headset base installation
Option 2: Headset base stand-alone installation
In order to make calls using thisusing this installation option, you need a, you need a
telephone plugged into the same telephone line or a dial pad
(sold separately). Make sure the headset base mode is set toMake sure the headset base mode is set to
NO LIFTER MODE.
Plug one end of the
telephone line cord into
the TEL WALL JACK
(red dot) at the back of
the headset base.
•
A DSL filter (not included)
is required if you have DSL
high-speed Internet service.
The DSL filter must be plugged
into the telephone wall jack.
Telephone
line cord
Plug the other end of
the telephone line cord
into a telephone jack.
•
Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
•
Plug the small end of
the headset base power
adapter into the POWER
jack (green dot) at the
back of the headset base.
•
16
Getting started
Headset base installation
Option 3: Headset base with corded phone for multiple line
system or digital business system installation
To use this installation option, adjust the LIFTER AUDIO ADJUST
switch to choose the best headset audio quality (see page 17).
Make sure the headset base mode is set to LIFTER MODE.
A DSL filter (not
included) is required
if you have DSL highspeed Internet service.
The DSL filter must
be plugged into the
telephone wall jack.
Plug the headset
base power adapter
into an electrical
outlet not controlled
by a wall switch.
•
Plug the other end of the 4-conductor
telephone line cord into the handset
jack of the corded phone.
•
Curly handset
cord
Unplug the curly
handset cord from
the telephone. Plug
the end of the curly
handset cord into the
CURLY CORD
(light blue dot) jack on
the headset base.
•
Plug one end of
the 4-conductor
telephone line
cord into the
BASE JACK
(orange dot) on
the headset base.
•
Plug the other end
of the telephone
line cord into a
telephone jack.
•
Plug one end of the
telephone line cord into
the telephone jack of the
corded phone.
•
Plug the small end of
the headset base power
adapter into the POWER
jack (green dot) at the
back of the headset base.
•
17
Getting started
Headset base installation
Adjust the lifter audio
Press MODE on the headset base to change
the mode if the LIFTER MODE light is not
on. Make sure that the LIFTER MODE light
on the headset base is on.
Lift the corded handset from the
telephone cradle.
After you install and charge the battery
(see pages 8-10), put the headset next to
your ear.
Press ON/OFF on the headset to listen for
a dial tone.
If there is no dial tone or the dial tone is
not clear, slide the LIFTER AUDIO ADJUST
switch on the side of the headset base
from A to G until the dial tone is clear.
If the dial tone is not clear, repeat step 5
until you find the clearest dial tone.
1.
2.
3.
4.
5.
6.
ON/OFF
MODE
LIFTER MODE light
LIFTER AUDIO ADJUST
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