Operation & user’s manual [PDF] (2 pages)
- Updated: 04.05.2026
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Display
Your phone is in Idle mode when you are not on a call or using a menu.
You must be in Idle mode to dial a phone number.
Silent
mode
Press and hold
in Idle mode to disable all sounds on the
phone. To exit, press and hold this key again.
Keypad
lock mode
Press and hold
in Idle mode to lock the keypad. After
locking, accidental key presses do not affect the phone
functions. To unlock, press the Unlock soft key and
.
Text and graphics
Soft key function
indicators
Menu Phonebook
Icons
Printed in Korea
Code No.: GH68-12544A
English (CEN). 02/2007. Rev.1.1
World Wide Web
http://www.samsungmobile.com
SGH-N720
User’s Guide
• Depending on the software installed or your service provider or country,
some of the descriptions in this guide may not match your phone exactly.
• Depending on your country, your phone and accessories may appear different
from the illustrations in this guide.
1. Call log
1.1 Missed calls
1.2 Received calls
1.3 Dialled calls
1.4 Delete all
1.5 Call time
1.6 Call costs*
2. Phonebook
2.1 Search
2.2 Create contact
2.3 Group setting
2.4 Speed dial
2.5 Delete all
2.6 Memory status
2.7 SDN*
3. Planner
3.1 Alarm
3.2 Calendar
3.3 Time & Date
3.4 Calculator
3.5 To do list
3.6 Currency converter
4. SIM Services*
5. Messages
5.1 Inbox
5.2 Outbox
5.3 Create new message
5.4 Templates
5.5 Settings
5.6 Delete all
5.7 Memory status
5.8 Voice mail
5.9 Broadcast messages
Phone layout and key functions
4-way navigation k
In Menu mode, scrol
through menu option
In Idle mode, access
favourite menus dire
Power/End key
Turns the phone on o
when pressed and he
Also ends a call.
Cancel/Clear key
Deletes characters fr
the display. Returns t
display to the previo
menu level.
Key pad lock key
X Keylock mode
Silent mode key
X Silent mode
Alphanumeric keys
Dial key
Makes and answers a
call. In Idle mode,
retrieves the most
recent calls.
Confirm key
Selects the highlighted
option or confirms input
in a menu mode.
Soft keys
Perform functions
indicated by the text
above the key.
Volume keys
In Idle mode, adjust the
keypad tone volume.
Installing the SIM card and battery
1. Remove the battery cover and insert the SIM card.
2. Install the battery and reattach the cover.
Battery
cover
Battery
Charging the battery
1. Plug the supplied travel adapter.
2. When charging is finished, unplug the adapter.
Note: Do not remove the battery from the phone without unplugging the
adapter first. Otherwise, the phone may be damaged.
To AC wall outlet
Adjusting the volume
1. In Idle mode, press the Menu soft key.
2. Select Sound settings → Ring volume.
3. Press Up or Down to adjust the volume level.
4. Press the OK soft key.
While a call is in progress, press the Volume keys to adjust the earpie
volume.
Changing a ringtone for calls
1. In Idle mode, press the Menu soft key.
2. Select Sound settings → Ring tone.
3. Select a ringtone.
Redialling recent numbers
1. In Idle mode, press
.
2. Press Up or Down to scroll to the number you want.
3. Press
to dial the number.
Using the menus
In Idle mode, press the Menu soft key to enter the main menu.
Use the 4-way navigation keys (
) as
shortcuts to access your favourite menus.
1.
In Idle mode, press the Menu soft key.
2.
Select Phone settings → Shortcuts.
3.
Select a key.
4.
Select a menu to be assigned to the key.
To exit the menu
without changing the
menu settings, press
this key.
Labels at the bottom corners of
the display show the current soft
key functions. Press the left soft
key (
) or right soft key (
) to
perform the function indicated.
To return to the
previous menu
level, press the
soft key or C.
To select or modify a menu or feature:
1. In Idle mode, press the Menu soft key.
2. Press the Navigation keys to reach a desired menu and then press
the Select soft key or
.
3. If the menu contains any submenus, locate the one you want by
pressing the Navigation keys. Press the Select soft key or
to
enter the submenu.
If the selected menu contains additional submenus, repeat this step.
4. Press the Navigation keys to find the setting of your choice.
5. Press the Select soft key or
to confirm your chosen setting.
Shortcut numbers
You can quickly access the menu you want by using shortcut numbers.
The shortcut number displays in front of the menu name in Menu mode.
Switching on or off the phone
1. Press and hold
for more than one second to switch on the phone.
2. To switch off the phone, press and hold
for more than two seconds.
Changing the display language
1. In Idle mode, press the Menu soft key.
2. Select Phone settings → Language.
3. Select a language.
Making a call
1. In Idle mode, enter an area code and phone number, and press
.
2. When you want to end the call, press
.
Answering a call
1. When the phone rings, press the Accept soft key or
to answer a call.
To reject the call, press the Reject soft key or
.
2. When you want to end the call, press
.
Your phone displays the following status indicators on the top of
the screen:
Icon
Description
Received signal strength
Roaming network
Keypad locked
Call in progress
Out of your service area; you cannot make or receive calls
except for emergency calls
Silent mode
Call ringer set to vibrate
Call diverting feature active
New text message
New voicemail message
Alarm set
Battery power level
Menu map
6. Network services
6.1 Call diverting
6.2 Call barring
6.3 Call waiting
6.4 Network selection
6.5 Caller ID
6.6 Active line*
7. Display settings
7.1 Wallpaper
7.2 Auto keypad lock
7.3 Contrast
7.4 Brightness
7.5 Backlight
8. Sound settings
8.1 Ring tone
8.2 Ring volume
8.3 Alert type
8.4 Keypad tone
8.5 Key volume
8.6 Message tone
8.7 Extra tones
9. Phone settings
9.1 Greeting message
9.2 Own number
9.3 Language
9.4 Security
9.5 Extra settings
9.6 Shortcuts
9.7 Reset settings
* Show only if supported by you
card.
Entering text
Changing the text input mode
In a text input field, press the right soft key until the input mode indicator
you want appears:
•
: ABC mode
•
: Number mode
• None: Symbol mode
ABC mode
Press the keys labelled with the character you want:
- once for the first character
- twice for the second character
- and so on.
For example, press 2 three times to enter “C” and 5 two times to enter
“K.”
Number mode
Press the keys corresponding to the digits you want.
Symbol mode
Press the number keys corresponding to the symbol you want and press
the OK soft key. You can press Up or Down to display more symbols.
Tips for entering text
• To move the cursor, press the Navigation keys.
• To delete characters one by one, press C. To clear the display, press and
hold C.
• To insert a space between characters, press
.
• To enter punctuation marks in ABC mode, press 1.
Sending an SMS message
1. In Idle mode, press the Menu soft key.
2. Select Messages → Create new message.
3. Enter the message text.
4. Press the Options soft key and add items using the following options:
• Add templates: add text templates.
• Add phonebook: add Phonebook contacts.
5. Press the Options and select Send only, Save and send, or Save
only.
6. If you select Save and send or Save only, select a memory location.
7. Enter a destination number and press the Send soft key.
Quick feature reference
This section provides brief explanations of features on your phone.
Feature
Description
Select
View recent
calls
View the most recent calls you
have dialled, received, or
missed.
Menu > Call log
> Missed calls,
Received calls, or
Dialled calls
Delete
recent calls
Delete the call logs in each call
type, or all logs at once.
Menu > Call log
> Delete all
Call time
display
View the duration of recent
calls you have dialled and
received. Also reset the time
counter.
Menu > Call log
> Call time
Call cost
display
View the cost of your calls.
Menu > Call log
> Call costs
Find a
contact
Search for contacts in
Phonebook.
Menu > Phonebook
> Search
Add a new
contact
Add a new contact to
Phonebook.
Menu > Phonebook
> Create contact
Change
properties
of a caller
group
Select a ringtone for incoming
calls and messages from
members of a group. Also
change the group name.
Menu > Phoneb
> Group setting
Speed dial
Assign speed dial numbers (2
to 9) for eight of your most
frequently dialled numbers.
Menu > Phoneb
> Speed dial
Delete
Phonebook
contacts
Delete all Phonebook contacts
stored in the phone’s memory,
on the SIM card, or both.
Menu > Phoneb
> Delete all
Phonebook
memory
status
View the total number of
Phonebook contacts in the
phone’s memory or on the SIM
card.
Menu > Phoneb
> Memory statu
SDN
(Service
Dialling
Numbers)
Access the list of service
numbers assigned by your
service provider. (Shows only if
supported by your SIM card.)
Menu > Phoneb
> SDN
Alarm
Set an alarm to sound at a
specific time.
Menu > Planner
> Alarm
Feature
Description
Select
Calendar
Keep track of daily or monthly
schedules.
Menu > Planner
> Calendar
Time and
date
Set the current time and date
manually.
Menu > Planner
> Time & Date
Calculator
Perform basic arithmetic
functions.
Menu > Planner
> Calculator
Task list
Create a list of tasks and
assign a deadline to each task.
Menu > Planner
> To do list
Currency
converter
Do currency conversions.
Menu > Planner
> Currency
converter
Use the SIM
service
Use a variety of additional
services offered by your
service provider.
Menu > SIM
Services
Read
messages
Read received or sent
messages.
Menu > Messages
> Inbox or Outbox
Send
messages
Create and send messages to
other mobile phones.
Menu > Messages
> Create new
message
Feature
Description
Select
Message
templates
Preset templates of frequently
used messages.
Menu > Messages
> Templates
Messaging
options
Set options for using
messaging services.
Menu > Messages
> Settings
Delete
messages
Delete messages in each
message box, or all messages
at once.
Menu > Messages
> Delete all
Message
memory
status
Check memory information for
messages.
Menu > Messages
> Memory status
Voicemail
Access your voicemail server
and listen to messages on the
network.
Menu > Messages
> Voice mail
Broadcast
message
Change settings for the service
and access broadcast
messages.
Menu > Messages
> Broadcast
messages
Network
services
Access network services
offered by your service
provider.
Menu
> Network services
Feature
Description
Select
Display
settings
Change settings for the display
and backlight.
Menu
> Display settings
Select
ringtone
and volume
Select a ringtone for incoming
calls, or a volume level.
Menu
> Sound settings
> Ring tone or Ring
volume
Alert type
Select an alert type for the call
ringer.
Menu
> Sound settings
> Alert type
Select
key tone
Select a tone which the phone
sounds when you press a key.
Menu
> Sound settings
> Keypad tone
Select
key volume
Adjust the keypad volume.
Menu
> Sound settings
> Key volume
Select
message
tone
Select the alert ringtone for
incoming SMS and broadcast
messages.
Menu
> Sound settings
> Message tone
Extra tones
Set additional tones for the
phone.
Menu
> Sound settings
> Extra tones
Feature
Description
Select
Greeting
message
Enter the greeting message to
be displayed when the phone is
switched on.
Menu
> Phone setting
> Greeting
message
Check your
own phone
numbers
Check your phone numbers or
assign a name to them.
Menu
> Phone setting
> Own number
Display
language
Select a language to be used
for the display text.
Menu
> Phone setting
> Language
Security
Protect the phone against
unauthorised use.
Menu
> Phone setting
> Security
Extra
settings
Set the automatic redialling
feature or the answering
method.
Menu
> Phone setting
> Extra settings
Menu
shortcuts
Set the Navigation keys as
shortcuts to access your
favourite menus directly.
Menu
> Phone setting
> Shortcuts
Reset the
phone
Reset the phone to the factory
default settings.
Menu
> Phone setting
Reset settings
Feature
Description
Select
Important safety precautions
Read these guidelines before using your wireless phone. Failure to comply
with them may be dangerous or illegal.
Drive safely at all times
Do not use a hand-held phone while driving; park the vehicle first.
Switching off when refuelling
Do not use the phone at a refuelling point (service station) or near fuels or
chemicals.
Switching off in an aircraft
Wireless phones can cause interference. Using them in an aircraft is both
illegal and dangerous.
Switching off near all medical equipment
Hospitals and health care facilities may be using equipment that could be
sensitive to external RF energy. Follow any regulations or rules in force.
Interference
All wireless phones may be subject to interference, which could affect their
performance.
Special regulations
Follow any special regulations in force in any area and always switch off
your phone whenever it is forbidden to use it.
Water resistance
Your phone is not water-resistant. Keep it dry.
Sensible use
Use only in the normal position (held to the ear). Avoid unnecessary
contact with the antenna when the phone is switched on.
Emergency calls
Key in the emergency number for your present location, then press
.
Do not end the call until given permission to do so.
Small children and your phone
Keep the phone and all its parts including accessories out of reach of small
children.
Accessories and batteries
Use only Samsug-approved batteries and accessories, such as headsets
and PC data cables. Use of any unauthorised accessories could damage
your phone and may be dangerous.
Risk of explosion if a battery is replaced by an incorrect
type. Dispose used batteries according to the
instructions.
At very high volume, prolonged listening to a headset can
damage your hearing.
CAUTION
Qualified service
Only qualified service personnel may repair your phone.
SAR information
Your wireless phone is a radio transmitter and receiver. It is designed and
manufactured not to exceed the emission limits for exposure to radio
frequency (RF) energy set by the European Union (EU) Council. These
limits are part of comprehensive guidelines and establish permitted levels
of RF energy for the general population. The guidelines are based on the
safety standards that were developed by independent scientific
organisations through periodic and through evaluation of scientific studies.
The standards include a substantial safety margin designed to assure the
safety of all persons, regardless of age and health.
The exposure standard for wireless phones employs a unit of
measurement known as Specific Absorption Rate (SAR). The SAR limit set
by the EU Council is 2.0 W/kg. The highest SAR value for this model phone
was 0.478 W/kg.
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