AT&T TL90077 User manual

User’s manual
TL90077
DECT 6.0 expansion handset
for use with AT&T models
TL96457/TL96477/TL96487/
TL96497/TL96547
with BLUETOOTH® wireless technology

Congratulations
on your purchase of this AT&T product. Before using this AT&T
product, please read the Important safety information section on
pages 25-27 of this manual. For complete instructions, please
refer to the manual provided with your TL96457/TL96477/TL96487/
TL96497/TL96547 telephone. You can also visit our website at
telephones.att.com or call 1 [phone]. In Canada, dial
1 [phone].
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 number: TL90077
Type: DECT 6.0 expansion handset
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 telephone base.
Save your sales receipt and original packaging in case it is
necessary to return your telephone for warranty service.
© 2017 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.
Telephones identied with this logo have reduced noise and
interference when used with most T-coil equipped hearing aids and
cochlear implants. The TIA-1083 Compliant Logo is a trademark of the
Telecommunications Industry Association. Used under license.
The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such
marks by Advanced American Telephones and its parent, VTech Holdings Limited, is under
license. VTech Holdings Limited is a member of Bluetooth SIG, Inc. Other trademarks and trade
names are those of their respective owners.
The ENERGY STAR® program (www.energystar.gov) recognizes and
encourages the use of products that save energy and help protect
our environment. We are proud to supply this product with an
ENERGY STAR® qualied power adapter meeting the latest energy
eciency guidelines.

Parts checklist
Your telephone package contains the following items. Save your
sales receipt and original packaging in the event warranty service
is necessary.
Battery for
cordless handset
Cordless handset Charger for cordless
handset with power
adapter installed
Battery
compartment
cover
User’s manual
User’s manual
TL90077
DECT 6.0 expansion handset
for use with AT&T models
TL96457/TL96477/TL96487/TL96497/
TL96547
with BLUETOOTH®wireless technology
THIS SIDE UP / CE CÔTÉ VERS LE HAUT
Battery Pack / Bloc-piles : BT183342/BT283342 (2.4V 400mAh Ni-MH) WARNING / AV ERTISSEMENT :
DO NOT BURN OR PUNCTURE BATTERIES. NE PAS INCINÉRER OU PERCER LES PILES. Made in China / Fabriqué en chine CR1349

User’s manual
TL90077
DECT 6.0 expansion handset
for use with AT&T models
TL96457/TL96477/TL96487/TL96497/
TL96547
with BLUETOOTH® wireless technology
Table of contents
Getting started
Installation ...............................................................................................................................................1
Quick reference guide.....................................................................................................................2
Charger installation..........................................................................................................................6
Battery installation and charging ...........................................................................................7
Registration and deregistration
Add and register handsets ........................................................................................................10
Register a handset to your telephone base..............................................................10
Deregister handsets.......................................................................................................................12
Deregister all handsets from your telephone base.............................................12
Appendix
Troubleshooting................................................................................................................................13
Maintenance.......................................................................................................................................24
Important safety information.................................................................................................25
Safety information .....................................................................................................................25
Especially about cordless telephones..........................................................................26
Precautions for users of implanted cardiac pacemakers................................27
ECO mode.........................................................................................................................................27
Especially about telephone answering systems....................................................27
For C-UL compliance..................................................................................................................... 28
Mesures de sécurité importantes...................................................................................28
FCC Part 68 and ACTA...................................................................................................................32
FCC Part 15...........................................................................................................................................34
California Energy Commission battery charging testing instructions........35
Limited warranty ............................................................................................................................. 36
Technical specications.............................................................................................................. 39
DECT 6.0 digital technology ................................................................................................ 39
Telephone operating range................................................................................................. 39
Redening long range coverage and clarity............................................................ 39
HD audio ........................................................................................................................................... 39
Simulated full-duplex handset and base speakerphones..............................39

1
See pages 7-9
for easy instructions.
You must install and
charge the battery before
using the telephone. STOP!
Installation
Your product may be shipped with a protective sticker covering the
handset display - remove it before use.
For customer service or product information, visit our website at
telephones.att.com or call 1 [phone].
In Canada, dial 1 [phone].
Avoid placing the charger too close to:
fCommunication devices such as television sets, VCRs, or other
cordless telephones.
fExcessive heat sources.
fNoise sources such as a window with trac outside, motors,
microwave ovens, refrigerators, or uorescent lighting.
fExcessive dust sources such as a workshop or garage.
fExcessive moisture.
fExtremely low temperature.
fMechanical vibration or shock such as on top of a washing
machine or workbench.
Getting started

Quick reference guide
Getting started
2
CHARGE light
fOn when the handset is charging
in the telephone base or charger.
VOICE
fPress to activate the voice-
controlled application of
connected cell phone.
PUSH TO TALK
fPress to initiate a one-to-one or
one-to-group broadcast.
fPress and hold to broadcast to a
group of system devices.
CELL 1/ CELL 2
fPress to make or answer a cell
call.
fDuring a call, press to answer
an incoming CELL 1/2 call when
you hear a call waiting alert.
DIR/VOLUME
fPress to show directory entries
when the telephone is not in
use.
fPress to scroll up while in a
menu.
fPress to increase the listening
volume when on a call, or
increase the message playback
volume.
fWhile entering names or
numbers, press to move the
cursor to the right.
Sokeys (2)
fPress to select the menu item
displayed above the key.
fWhile in a menu, press to select
an item, save an entry or setting,
cancel an operation, or back up to
the previous menu.

Quick reference guide
Getting started
3
CID/VOLUME
fPress to review the caller ID log
when the telephone is not in use.
fPress to scroll down while in a
menu.
fPress to decrease the listening
volume when on a call, or decrease
the message playback volume.
fWhile entering names or numbers,
press to move the cursor to the
le.
HOME/FLASH
fPress to make or answer a home
call.
fDuring a call, press to answer an
incoming home call when you
receive a call waiting alert.
fDuring message playback, press
to call back the caller if the caller’s
number is available.
OFF/CANCEL
fDuring a call, press to hang up.
fWhile in a menu, press to
cancel an operation, back up
to the previous menu, or exit
the menu display; or
press and hold this button to
exit to idle mode.
fWhen the handset is ringing,
press to mute the ringer
temporarily.
1
fWhile reviewing a caller ID
log entry, press repeatedly to
add or remove 1 in front of
the telephone number before
dialing or saving it in the
directory.
fPress and hold to set or to dial
your voicemail number.

Quick reference guide
Getting started
4
TONE /a>A
fPress to switch to tone dialing
temporarily during a call if you
have pulse service.
fWhile entering names, press
to change the next letter to
upper or lower case.
QUIET# (pound key)
fPress repeatedly to display
other dialing options when
reviewing a caller ID log entry.
fPress and hold to enter the
QUIET mode setting screen, or
to deactivate QUIET mode.
/SPEAKER
fPress to make or answer
a home call using the
speakerphone.
fPress to answer a cell call using
the speakerphone.
fPress to switch between
the speakerphone and the
handset.
MUTE/DELETE
fDuring a call, press to mute the
microphone.
fWhen the handset is ringing, press to
mute the ringer temporarily.
fWhile reviewing the redial list,
directory, caller ID log, allow list, block
list, or the star name list, press to
delete an individual entry.
fWhile predialing, press to delete digits.
fDuring message or announcement
playback, press to delete the
playing message or the recorded
announcement.
REDIAL/PAUSE
fPress repeatedly to view the last 10
numbers dialed.
fWhile entering numbers, press and
hold to insert a dialing pause.
CALL BLOCK
fPress to block the incoming call
when the telephone is ringing or
during the call.
fWhen the handset is not in use,
press to show the Smart call blocker
menu.

Quick reference guide
Getting started
5
For complete instructions, refer to the manual provided with your
TL96457/TL96477/TL96487/TL96497/TL96547 telephone system.
If you are unable to nd your manual, go to
telephones.att.com/manuals to read and/or download the
manual.
Main menu
The selected menu item is
highlighted.
Menu
Feature menu
fPlay messages
fAnswering sys
fSmart call blk
fDirectory
fCaller ID log
fIntercom
fRingers
fSet date/time
fCaller ID annc
fSettings
Using menus:
1. Press MENU in idle mode (when the telephone is not in use) to
enter the main menu.
2. Press CID or DIR to scroll through menu items.
3. Press SELECT to select or save the highlighted item.
-OR-
Press BACK or OFF/CANCEL to cancel an operation, back up
to the previous menu, or exit the menu display.

IMPORTANT INFORMATION
1. Use only the power adapter supplied with this product. To order a replacement
power adapter, visit our website at telephones.att.com or call
1 [phone]. In Canada, dial 1 [phone].
2. The power adapter is intended to be correctly oriented in a vertical or oor
mount position. The prongs are not designed to hold the plug in place if it is
plugged into a ceiling, under-the-table or cabinet outlet.
6
Charger installation
Install the charger, as shown below.
Getting started
Plug the power adapter into a power
outlet not controlled by a wall switch.