Ericsson T66 User manual

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Important
battery
information
It takes up to 30 minutes
for a new battery
to start charging.
Insert the SIM card and attach the
battery to the phone before you start
charging.
Connect the charger to the mains,
then to the phone.
It takes up to 30 minutes for a new
battery to start charging.
It takes about 4 hours to fully
charge a battery the first time.
Disconnect the charger by tilting
the plug up.

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If you have a WAP account for your phone, you can go to Ericsson Mobile
Internet and get the WAP settings sent to your phone via SMS.
Go to mobileinternet.ericsson.com and select the brick for WAP and e-mail
configuration. Choose to have the WAP settings sent to your phone, and follow
the instructions.
To install the new WAP settings
1.When you receive the text message, press YES.
2.Select the WAP profile in which you want to save the WAP settings,
and press YES.
You can now start using your WAP browser.
Easy access to
WAP

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Contents
Getting Started .............................. 5
Making and Receiving Calls ......... 8
Key Functions ............................. 12
Using the Menus ......................... 13
Entering Letters ........................... 17
Chinese Input .............................. 20
Your Personal Phone Book ......... 26
Using the Call List ...................... 31
Your Voice Mail Service ............ 32
Personalizing Your Phone ........... 33
Text and Chat Messages ............. 41
Profiles ........................................ 47
Diverting Incoming Calls ............ 48
Security for Your Phone and
Subscription ................................ 49
More Than One Call ................... 53
Setting Network Preferences .......56
Call Time and Call Cost ..............57
Using the WAP Browser .............59
Calendar ......................................62
Code Memo ................................. 64
Calling Card Calls .......................66
Extras ..........................................67
Online Services ...........................70
Ericsson Mobile Internet .............71
Troubleshooting ..........................71
Display Icons ...............................73
Quick Keys .................................. 75
Technical Data ............................76
Safe and Efficient Use .................77
Limited Warranty ........................84
Regulatory Information ...............86

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Ericsson T66
First edition (May 2001)
This manual is published by Ericsson Mobile
Communications AB, without any warranty. Improvements
and changes to this manual necessitated by typographical
errors, inaccuracies of current information, or
improvements to programs and/or equipment, may be
made by Ericsson Mobile Communications AB at any time
and without notice. Such changes will, however, be
incorporated into new editions of this manual.
All rights reserved.
©Ericsson Mobile Communications AB, 2001
Publication number: EN/LZT 108 4574 R1A
INNOVATRON PATENTS
Note: Some of the services in this manual are not
supported by all networks. This also applies to the GSM
International Emergency Number 112.
Note: You should read the Guidelines for Safe and
Efficient Use and the Warranty chapters before using
your mobile phone.
Please contact your network operator or service provider
if you are in doubt whether you can use a particular
service or not.
T9™ Text Input is a registered trademark of Tegic
Communications.
T9™ Text Input is licensed under one or more of the
following: U.S. Pat. Nos. 5,818,437, 5,953,541,
5,187,480, 5,945,928, and 6,011,554; Canadian Pat. No.
1,331,057, United Kingdom Pat. No. 2238414B; Hong
Kong Standard Pat. No. HK0940329; Republic of
Singapore Pat. No. 51383; Euro.Pat. No. 0 842
463(96927260.8) DE/DK, FI, FR, IT, NL, PT, ES, SE,
GB; and additional patents are pending worldwide.

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Getting Started 5
Getting Started
Front
Back
Volume
key
Display
Option key
Arrow keys
Microphone
Indicator
light
Earpiece
On/off key
Keypad
Battery cover lid
Charging
connector Handsfree
connector
Internal antenna

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6 Getting Started
About this User’s Guide
Some services and functions described in this User’s
Guide are service provider - and subscription-
dependent. Because of this, all menus may not be
available in your phone and the shortcut numbers to
menus and functions may vary between phones.
This symbol indicates that a service or
function is network- or service provider
dependent.
Please refer to the information provided
by your service provider for more information about
your subscription.
We recommend that you read the chapter “Using
the Menus” on page 13 for information about how to
move through the menus.
The SIM Card
When you register as a subscriber with a network
operator, you get a SIM (Subscriber Identity Module)
card. The SIM card contains a computer chip that
keeps track of your phone number, the services
included in your subscription, and your Phone book
information, among other things.
SIM cards come in two sizes. One is the size of a
credit card and the other is smaller. Your phone uses
the smaller card. Many credit card-sized SIM cards
have a perforated smaller card that you can take
out easily.
Assembly
Before you can use your phone you need to:
•insert the SIM card.
Note: Always insert the SIM card into the phone
before attaching the battery.
•attach and charge the battery.
Note: Always turn off the phone and detach the
charger before you insert or remove a SIM card.

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Getting Started 7
Inserting and Removing the SIM Card Attaching the Battery to your Phone
SIM
SIM
•Slide the SIM
card into the
slot, under the
silvery holder,
with the golden
connectors
facing down
and the cut
corner to
the left.
•To remove the
SIM card, slide
it out.
2. Slide the battery
cover upwards
from the bottom
of the phone
into place as
shown in the
picture.
1. Place the
battery into the
back of the
phone, with
the golden
connectors
facing down,
and push down
until it clicks
into place.
Note: To remove the battery cover, press the
top centre of the cover and slide downwards.

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8 Making and Receiving Calls
Charging Connections
Note: The mains plug may look different depending
on the mains socket in your country. Do not connect
it to any other item than your Ericsson Travel
Charger CTR-10. It must not be separated from the
charger when plugged into the wall socket.
You can use the phone while the battery is being
charged. However, this lengthens the charging time.
When the battery is fully charged, the battery meter
in the display is full.
Making and Receiving Calls
Turning Your Phone On
1. Press and hold NO until you hear a tone.
2. Enter your PIN (Personal Identity Number), if you
have one for your SIM card. Your PIN is provided by
your network operator.
If you make a mistake while entering your PIN,
delete the wrong number by pressing .
3. Press YES.
If you enter your PIN incorrectly 3 times in a row
then the SIM card is blocked. See “The SIM Card
Lock” on page 49.
Network Search
After you have turned on the phone (and entered
your PIN), the phone searches for a network. When a
network is found, the phone beeps three times. The
indicator light on top of the phone flashes green. This
is called “standby mode”. You can now make and
receive calls.

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Making and Receiving Calls 9
Turning Your Phone Off
•In standby mode, press and hold NO until you hear
atone.
Making a Call
1. Enter the area code and phone number.
If you make a mistake while entering the number,
delete the wrong number by pressing .
2. Press YES.
Press NO to end the call.
Note: The Ongoing call menu is displayed when
is pressed during a call.
Changing the Earpiece Volume
During a call you can change the earpiece volume by
sliding the volume key on the side of the phone.
•Slide the key upwards to increase the volume.
•Slide the key downwards to decrease the volume.
Turning Off the Microphone
During a call you can turn off the microphone.
•Press and hold .
•Press to resume the conversation.
Re-dialling a Previously Called Number
The Call list contains numbers that you have dialled,
answered or missed.
To re-dial a previously called number
1. Press YES from standby mode to enter the Call list.
2. Press or to scroll through the list.
3. When the number you want to call is highlighted,
press YES to make the call.
Automatic Re-Dialling
If a connection failed, and the display shows Retry?,
you can re-dial the number by pressing YES. Your
phone automatically re-dials (up to 10 times):
•until the call is answered.
•until you press a key or receive a call.
Note: Automatic re-dialling is not available for
data calls.

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10 Making and Receiving Calls
Making International Calls
1. Press and hold the key until a +sign appears.
The +replaces the international prefix number of the
country from which you are calling.
2. Enter the country code, area code (without the
leading zero) and phone number. Press YES.
Making Emergency Calls
1. Enter 112 (the international emergency number).
2. Press YES.
Your Ericsson phone supports the international
emergency numbers, 112, 911 and 08. This means
that it can normally be used to initiate an emergency
call in any country, with or without a SIM card
inserted, if a GSM network is within range.
Note: Some service providers may require that a SIM
card is inserted, and in some cases that the PIN has
been entered as well.
Emergency Numbers
Some countries may not promote the
international emergency number, 112. Your
operator may therefore have stored additional local
emergency numbers on the SIM card.
To use another emergency number
1. Press to go to the Phone book menu.
2. Press YES to select the menu.
3. Press until Special numbers is highlighted,
then press YES.
4. Press until SOS numbers is highlighted,
then press YES.
5. Press or to go to the number you want,
then press YES to make the call.
Receiving Calls
When you receive a call, the phone rings and the
display shows Answer?.
Tip: Press when the phone rings to mute
signal.

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Making and Receiving Calls 11
If your subscription includes the Calling Line
Identification (CLI) service and the caller’s network
sends the number, the caller’s number is shown in the
display. If you have saved the caller’s name and
number in the phone book, the caller’s name is
displayed. If the network does not send the number,
the display shows Withheld.
Answering a Call
•Press YES to answer a call.
Rejecting a Call
•Press NO, or
•slide the volume key on the side of the phone either
upwards or downwards twice.
The caller hears a busy tone if this is supported by
the caller’s network. If “Divert Calls When Busy” is
on, the call is diverted to the number you have
specified. See “Diverting Incoming Calls” on
page 48.
The Notepad
You can use the phone to make a note of a phone
number during a call. Use the number keys to enter
the number. When you end the call, the number
remains in the display.
When you enter the number, the person at the
other end can hear the tones. You can turn the tones
off (can only be done during a call).
To turn the tone signals off during a call
1. Press .
2. Scroll to Turn off tones and press YES.
Showing And Hiding Your Phone
Number
You can choose to show or hide your
number for a particular call, if this service is
supported by your subscription.
To hide or show your phone number
1. Enter the phone number you wish to call.
2. Press .
3. Scroll to Hide my number or Show MyNumber and
press YES to make the call.

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12 Key Functions
Ciphering
Ciphering is a built-in feature that encodes your calls
and messages to provide additional privacy.
An exclamation mark inside a triangle is shown in
the display during a call to indicate that ciphering is
currently not being provided by the network.
Sending Touch Tone Signals
To use telephone banking or to control an answering
machine, you need to use codes. These codes are sent
as touch tone signals (also known as DTMF - Dual
Tone Multiple Frequency tones). If you press -
, and during a call, these numbers
and characters are sent as tone signals. You can save
codes in your phone book and during a call, go to the
phone book by pressing , find the entry in the
phone book and press , and Send as DTMF. See
also “Touch Tone Services” on page 30.
Key Functions
The table below shows some examples of the key
functions. See also “Quick Keys” on page 75.
Key Use
YES To make calls and answer calls.
To select a menu or setting.
NO To turn the phone on or off, press and
hold the key.
To end a call.
To reject a call.
To go back one level in the menus, to
leave a setting unchanged.
To go back to standby mode, press
and hold NO.
and To move (scroll) through menus, lists
and text.
(Clear) To delete numbers and letters from the
display.
To delete an item from a list.
To turn off the microphone during a
call, press and hold the key.

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Using the Menus 13
Option Key
The option key, gives you the most common
options for the function you are using. You can
also select Exit to standby and the Help function
for menus.
Using the Menus
There are seven main menus. Each menu has several
sub-menus, where you find the different functions.
Moving Through the Menus
There are two ways of moving through the menus:
•Scrolling with the and
•Using shortcuts
Using Shortcuts
A quicker way to move through the menus is to use
shortcuts. Enter the menus by pressing or
and then simply enter the number of the menu to
which you want to go.
- , To enter the digits 0-9.
Press and hold 0 to enter the
international prefix +.
To enter letters.
To move through menus using
shortcuts.
To enter *.
(Hash) To enter #.
Volume key To increase or decrease the volume of
the earpiece during a call.
To reject an incoming call, slide either
upwards or downwards twice.
To scroll through menus, lists and text.
To enter the Status menu.
Key Use
Press... to...
scroll left or up through the menus.
scroll right or down through the menus.
YES select a menu, sub-menu or a setting.
NO go back one level in the menus, leave a
setting unchanged.
press and hold no to go back to standby.
enter optional menus

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14 Using the Menus
How to Interpret the Instructions
In this example we are going to set the key sound to
the tone option.
To set the key sound
1. Scroll to Settings, YES, Sounds & alerts, YES,
Key sound, YES.
2. Select Tone and press YES.
Interpret the instructions as follows:
1. From standby, press or to scroll to the
Settings menu.
2. Press YES to select the Settings menu. The name of
the menu that you have chosen is shown at the top of
the display (Settings).
3. Press YES to select the Sounds & alerts sub-menu.
4. Press or to scroll to the Key sound sub-
menu and press YES to select it.
5. Press or to scroll to the Tone option and
press YES to select it. You have now set the key sound
to tones.
6. Press and hold NO to go back to standby.
Shortcuts
This is how to interpret the instructions above by
using shortcuts:
To set the key sound
1. Press or to enter the main menu.
2. Press to select the Settings menu.
3. Press to select the Sounds & alerts sub-menu.
4. Press to select the Key sound sub-menu.
5. Press or to scroll to Tone.
6. Press YES to select the tone option.
7. To go back to standby, press and hold NO.
Tip: To check a setting without changing it: scroll to
the setting and leave it unchanged by pressing NO.
Display text
•Text at the top indicates the menu you have chosen.
•A text that is highlighted shows your position in the
menu. If you press YES, you enter this menu or select
this option.
•Grey text indicates a function that is temporarily
unavailable, for example due to your subscription or
due to a certain setting which has not been turned on.

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Using the Menus 15
•A filled button indicates that this option is selected.
•A tick indicates that this item is selected.
Help Texts
Your phone has pop-up help texts that explain the
sub-menus.
To turn the help texts on or off
1. Scroll to Settings, YES, Display, YES, Menu help.
2. Select On or Off and press YES.
Menu Language
Most SIM cards automatically set the display
language to the language of the country where you
bought your SIM card, Automatic. If this is not the
case, the pre-set language is English.
To change the display language
1. Scroll to Settings, YES, Language, YES, Menus, YES.
2. Select a language and press YES.
Note: You can always choose Automatic by pressing
8888 in standby, and English by pressing
0000 in standby.
My Shortcuts
You can place your favourite functions in the menu
My shortcuts to quickly and easily reach the
functions you use most.
To add a function to My Shortcuts
1. Scroll to My shortcuts, YES, Edit shortcuts, YES.
2. Select a function from the list by pressing .
3. Press YES to confirm.
To change the position of the shortcut item
1. Select a function from My shortcuts list.
2. Press and scroll to Move up or Move down.
Press YES.
3. Repeat steps 1 & 2 until the item is in the
desired position.

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16 Using the Menus
Menu overview
Find
Add number
Business cards
Groups
Calling cards
Options
Memory status
Special numbers
Send new
Inbox
Chat
Unsent
Sent items
Call voice mail
Templates
Options
Missed calls
Call list
Call costs
Call timers
Options
Calendar
Time
Pictures
Code memo
Calculator
Games
Homepage
Bookmarks
Select profile
WAP settings
Enter address
Resume
Certificates
Sounds & alerts
Profiles
Call options
Networks
Display
Language
Time and date
Locks
Handsfree
Master reset
Turn off tones*
Hold call*
Switch calls*
Release active*
Retrieve call*
Join calls*
Transfer call*
Parties in conf*
Mute mic*
Save number?*
Release all*
Extract part*
Release part*
The Ongoing call menu is activated
by pressing during a call.
* Only available during a call.
Network
12:18
Turn on keylock
Turn on silent
Find
Send new
Profiles
Edit shortcuts
Please note that this overview shows
all the possible menu alternatives in
your phone. Many of the alternatives
are network and subscription
dependent.
Phone book Messages Call info Settings Extras WAP services My shortcuts Ongoing call

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Entering Letters 17
Entering Letters
You can enter letters when you add names to the
phone book, write text messages (SMS) or enter
WAP addresses.
Your phone also has a function called T9™ Text
Input (predictive text input) for long texts such as
text messages, if the input language you select
supports this. T9 Text Input is a quicker way to write
texts. See “Writing using T9 Text Input” on page 19.
Input Modes
You can select the input mode that you want to use
when writing.
To select input modes
1. Scroll to Settings, YES, Language, YES, Input, YES.
2. Scroll to the alphabets (input modes) that you want to
use for entering letters and press . Repeat step 2
if you want to use another input mode.
3. Press YES to leave the menu.
When writing you can switch to another input mode
by pressing and then select Input. See “The
List of Options” on page 18.
T9 Text Input
T9 Text Input is on by default. If you wish, you can
turn off the T9 Text Input.
To turn the T9 Text Input on or off
1. Scroll to Settings, YES, Language, YES,T9 options,
YES,T9 in use, YES.
2. Select On or Off.
See the table of the Latin alphabet below for key
functions when writing without T9 Text Input.
Press… to get…
Space

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18 Entering Letters
Example:
•To enter an ‘A’, press once.
•To enter a ‘B’, quickly press twice.
•To enter lower-case letters, press three times
and then enter the letter, for example an ‘a’.
The List of Options
If you press when writing text messages, you
enter a list of options:
•Insert melody - for SMS only
This option allows you to insert a melody.
•Ins. picture - for SMS only
This option allows you to insert a picture.
•Edit word - for T9 Text Input only
If you want to delete the complete word, press and
hold . If you do not want to delete the complete
word, but edit it letter by letter, move the cursor by
using or and then delete letters by
pressing . Enter letters by pressing the
appropriate key the number of times needed until you
get the letter you want. When you are finished, press
YES.
•Add symbol
Symbols such as !and ?are shown.
Move between the symbols by using the keys
•Volume + or = move up
•or = move left
•or = move right
•Volume - or = move down
Press YES to select a symbol.
to delete a letter or number
to shift between capital, initial upper-case,
lower-case letters and numbers
- press and hold to enter numbers
press and hold to Add symbol menu
move cursor back
move cursor forward
Volume + go up one line
Volume - go down one line
Press… to get…

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Entering Letters 19
•Candidates (0)- for T9 Text Input only
A list of alternative words is shown. Scroll to a word
and press YES.
•Input
If you want to change the input mode for the text you
are writing, scroll to an input mode and press YES.
•Dictionary - for T9 Text Input only
If you want to change the language for the text you
are writing, scroll to a language and press YES.
•Reply request - for SMS only
You can turn on the reply request option. When you
send a message, you are asked whether you want the
recipient to reply or not.
•Message type - for SMS only
You can select how you want your text message to be
interpreted by the receiver.
•Send - for SMS only
This option will send the message.
•Help - for T9 Text Input only
Explains T9 Text Input
•Exit to standby
Exit to standby
Writing using T9 Text Input
The T9 Text Input method uses a built-in dictionary
to recognize the most commonly used word for a
sequence of key presses. This way, you can press
each key only once, even if the letter you want is not
the first letter on the key.
Note: Keys - have the same function as
when writing without T9 Text Input.
To enter letters using T9 Text Input
1. Scroll to Messages, YES, Send new, YES.
2. Press , , , , , , ,
.
The word “Ericsson” appears.
If the word shown is the one you want:
•press to accept and add a space.
If the word shown is not the one you want:
•press to view alternative words. Accept a
word and add a space by pressing .

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20 Chinese Input
If you do not find the word you want by pressing
:
•press to view the options menu. Select Edit
word. Edit the word and press YES.The word is
added to the dictionary.
3. Continue writing your message. See also “Text and
Chat Messages” on page 41.
Tip: Press to enter a full stop. To enter other
punctuation marks, press and hold .
checks the next candidate for the suggested word.
Accept by pressing . Press and hold to
select T9 Text Input on/off.
Chinese Input
T66 has different input methods for entering Chinese
characters:
•Stroke Input
•Pinyin Input
You can use these methods, for example, to input
Chinese names and Chinese short messages.
Before You Start
Chinese is the default language. Stroke Input is the
default input method. If you want to select another
language or input method before you start entering
Chinese characters, please refer to the following
procedures:
To select a menu language
•Scroll to Settings, YES, Language, YES, Menu, YES.
To select an input method
•Scroll to Settings, YES, Language, YES, Input, YES.