Please often read this manual, and handle it correctly
ahead of the use.
Moreover, please keep it importantly so that it is
shown at once when it is necessary after you read.
A50-012054-001
Preliminary Issue, January 2008
NEC Infrontia Confidential
NEC Infrontia Confidential
LIABILITY DISCLAIMER
NEC Infrontia Corporation reserves the right to change the specifications,
functions, or features, at any time, without notice.
NEC Infrontia Corporation has prepared this document for use by its
employees and customers. The information contained herein is the property
of NEC Infrontia Corporation and shall not be reproduced without prior
written approval from NEC Infrontia Corporation. All brand names and
product names on this document are trademarks or registered trademarks of
their respective companies.
Important: Read this information before using your MH240 Phone.
Observe the following instructions to use this product safely, prevent you and other people from
possible injury, and protect properties. Improper handling may cause heat, explosion, and fire.
Danger
Recharge the battery with the matching battery charger (see battery label description).
Use the battery only for this MH240 phone system. Do not use it with other electrical devices.
Keep the following warnings to prevent the battery pack from heating, explosion, and fire.
Do not throw the battery pack into fire.
Do not solder the battery pack directly.
Do not short the positive (+) and negative (-) terminal of the battery pack with metal.
Do not poke the battery nor smash it with hammer.
Do not disassemble nor modify the battery pack. It has a safety circuit and a damaged circuit may
cause heat, explosion, and fire.
The internal liquid of the battery pack has strong acid. If the battery liquid gets into your eye,
rinse your eye well with water and consult with a doctor.
Do not use, leave, nor recharge the battery pack near fire or under the direct sunlight. High
temperature may damage the internal safety circuit and may cause malfunction of the recharge,
heat, explosion, or fire.
Warning
NEC Infrontia Confidential
Do not use the unit when you notice smoke, strange smell or other unusual happenings. It may
cause fire if you continuously use them. Turn off the power switch of the phone system
immediately. For the recharger, disconnect the power plug immediately. Confirm that smoke is
ceased, and then contact the nearest NEC service office. Never attempt to repair those units by
yourself.
If you had an accident such as dropping the phone and broke the unit, turn off the power of the
phone system immediately. For the recharger, disconnect the power plug immediately. Contact
the nearest NEC service office. If you keep using those units, they may cause fire or electrical
shock.
If water smeared into the unit, turn off the power of the phone system immediately. For the
recharger, disconnect the power plug immediately. Contact with the nearest NEC service office.
If you keep using those units, they may cause fire or electrical shock.
Do not insert flammable or metal objects into the units. If a foreign object were accidentally
placed into the units, turn off the power of the phone system and plug out the power adapter.
Contact the nearest NEC service office. If you keep using those units, they may cause fire or
electrical shock. Pay special attention to children to prevent from similar accidents.
Do not attempt to disassemble nor modify the units. It may cause fire, electrical shock, or system
malfunction. Modification by a user is prohibited by law.
Do not open the units intentionally. It may cause electrical shock or system malfunction. Ask test
adjustment, and repair of the units for the nearest NEC service office.
Do not twist, put a heavy object, and push the phone system. Such actions may cause damage, fire,
or injuries.
Do not place a container with water such as a vase, a plant pot, a cup, cosmetics, chemicals, nor a
small metal object. Splashing water over the units and foreign metal object inserted into the units
may cause fire or electrical shock.
Do not use the unit in a high humid area such as a bathroom or near a humidifier. They may cause
fire, electrical shock, or system malfunction.
Use the specified power adapter, which is attached to the unit. Other adapters may cause fire or
system malfunction.
Do not damage, or modify the power adapter cord. Do not kink, pull, twist, or bundle it. Do not
put a heavy objector heat it. They may cause fire, electrical shock, or system malfunction. Contact
the nearest NEC service office for a damaged adapter cord.
Do not touch the power plug with a wet hand. It may cause electrical shock or system
malfunction.
Do not touch the units or replace a battery with a wet hand. It may cause electrical shock or
system malfunction.
When you hear thunder during using the phone system outside, immediately stop using it and
move to a safe place.
Do not use multiple plugs to a single outlet. It may cause fire or electrical shock.
Follow the instruction below when you use a battery pack. They may cause heating, explosion,
NEC Infrontia Confidential
and fire;
Do not put the battery pack into a microwave oven or a pressure chamber.
Do not use other batteries with this battery pack.
If the internal battery liquid clung to your skin or clothes, immediately rinse it with clean water to
prevent chemical damage to your skin and clothes.
Do not use the phone or recharge the battery in a place where fire or explosion may occur.
This phone system does not have explosion protection. Do not use it where a flammable gas
such as propane and gasoline are stored. Turn off the power of the phone immediately. Do
not recharge the battery in such a place.
Do not use near microwave ovens, medical equipment and industrial equipment.
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 off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio/TV technician for help.
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.
Caution:
Any changes or modifications not expressly approved by the party responsible for product compliance
could void the user's authority to operate the equipment.
To comply with FCC RF exposure compliance requirements, this device must not be co-located or
operating in conjunction with any other antenna or transmitter.
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numériqué de la classe B est conformé à la norme NMB-003 du Canada.
For Customers in Canada
This device complies with RSS 210 of Industry Canada (IC).
Operation is subject to the following two conditions:
this device may not cause interference, and
this device must accept any interference, including interference that may cause undesired
operation of this device.
L’utilisation de ce dispositif est autorisée seulement aux conditions suivantes:
il ne doit pas produire de brouillage et
l’ utilisateur du dispositif doit étre prêt a accepter tout brouillage radioélectrique reçu, même
si ce brouillage est susceptible de compromettre le fonctionnement du dispositif.
Exposure to radio frequency radiation
The installer of this radio equipment must ensure that the antenna is located or pointed such that it
does not emit RF field in excess of Health Canada limits for the general population; consult Safety
Code 6, obtainable from Health Canada’s website at www.hc-sc.gc.ca/rpb.
TABLE OF CONTENTS
NEC Infrontia Confidential
1.INTRODUCTION
• WAT IS MH240?........................................................................................ 1
• KEYS AND PARTS ...................................................................................2
MH240 is a wireless VoIP phone that complies
with IEEE 802.11b/g specifications. MH240 has
the following features:
- PCS/PHS equivalent features are available
by connecting with NEC PABX such as
SV8100, SV8300 or UX5000, and WLAN
system.
- MH240 dedicated features are also
available such as Call History, Directory,
Password Lock, Favorites, Speed Dial,
Speaker monitor and Courtesy Mode.
1
MH240
• KEYS AND PARTS
CLEAR Key
(19)Dial Pad
(18)Headset Connector
(20)Microphone
(21)Strap Hole
(22)Speaker
(2
3)Battery Cover
NEC Infrontia Confidential
The phone has the following keys and parts.
(3)USB Connector
(5)Soft Keys
(12)TRANSFER Key
(10)LEFT Key
(14)CONFERENCE Key
(16)OFF HOOK Key
Delete Save Back
(1)Info LED
(2)Ear Speaker
(4)Display
(6)Multi Function Keys
(8)UP Key
(7)OK Key
(13)HOLD/
(11)RIGHT Key
(15)MENU Key
(9)DOWN Key
(17)POWER/
ON HOOK Key
No.
PARTS REMARK
(1) Info LED Display charging status
and receiving a call
(2) Ear Speaker (3) USB Connector Charge the power via AC
adapter
(4) Display
Monochrome LCD, 120×
90 pixels
(5) Soft Keys Display soft keys depend
on the phone status
(6) Multi Function Keys Assign various function
by System
(7) OK Key Select Middle soft key
(8) UP Key
(9) DOWN Key
(10) LEFT Key
Select a value from the
list and move the cursor
in edit mode
(11) RIGHT Key
(12) TRANSFER Key Transfer the ongoing call
or select Left soft key
(13) HOLD/CLEAR Key Place the ongoing call in
hold, return to the
previous screen, delete
input character/digit or
select Right soft key
(14) CONFERENCE Key Enter the conference
mode (3-way call)
(15) MENU Key Display Menu screen
(16) OFF HOOK Key Terminate an active call,
(17) POWER/ON HOOK
Key
Terminate an active call,
power on/off the phone or
exit a menu without
making changes
(18) Headset Connector Connect headset had
JEITA RC-5240 plug or
conversion cable
(19) Dial Pad Input dial number or
characters
(20) Microphone (21) Strap Hole Attach hand strap
(22) Speaker Ring when receiving a
call or listen to voice
when speaker monitor
(23) Battery Cover -
2
• ICONS
NEC Infrontia Confidential
The phone has the following icons.
- Power icon ( ): indicates battery charge
- Antenna icon ( ): indicates the radio
- Volume icon ( ): indicates the ring
1/ 1 Tue 0:00AM
240
level.
Icon
signal strength by your phone.
Icon
volume when Standby mode.
Icon
Off
Battery Charge Level
Full
Empty
Under charge
Radio Signal Strength
Strong
Weak
Out of service area
Ring Volume
Large
Middle
Small
Graduate
- Volume icon ( ): indicates call volume in
taking.
Icon
- Missed call icon ( ): indicates your
missed call(s).
- VM icon ( ): indicates you have voice
mail(s).
- Courtesy icon ( ): indicates your phone
is to courtesy mode
- Lock icon ( ): indicates your phone is
locked.
- RTP icon ( ): indicates your call is
encrypted.
- Cursor icon ( ): indicates active direction
keys (UP, DOWN, LEFT or RIGHT)
depend on the phone status.
- Line icon ( ): indicates line key status.
- Vibrator icon ( ): indicates your phone is
vibrator mode.
Call Volume
Large
Middle
Small
3
• STANDBY MODE
TIP
NEC Infrontia Confidential
Your phone starts up in this mode after being
powered on. Your phone displays the first screen
similar to the following.
1/ 1 Tue 12:00AM
240
• MAIN MENU
Press key when the pone is in Standby
mode. The following main menu will be
displayed.
0.infomation
1.Call History
2.Directory
3.Tool
4.Voice Mail
The menu list attached in the end
of this guide shows all available
items with the default value.
See “13.MENU LIST” for more
information.
Menu
4
2.GETTING SRTARTED
NEC Infrontia Confidential
• HOW TO INSERT THE
BATTERY
• HOW TO REPLACE THE
BATTERY
Insert the battery into the unit as follows.
(1) Remove the battery cover from the phone.
(2) Place the battery into the unit so that the
label may face toward you.
(3) Attach the battery cover again.
Replace the battery of the phone as follows.
(1) Power off the phone by pressing and holding
key for 2 seconds or more.
(2) Remove the battery cover from the phone.
(3) Remove the Battery.
(4) Insert the new battery into the unit so that the
label may face toward you.
(5) Attach the battery cover again.
5
• HOW TO CHARGE THE
TIP
TIP
TIP
NEC Infrontia Confidential
BATTERY
Be sure to charge the battery when using the
phone for the first time. Use one of the
following:
Cradle
AC Adapter (direct connection)
By using the Cradle:
The phone can be charged by using the cradle.
You can also charge the battery by inserting the
battery pack alone to the slot on the cradle. This
is useful when you have a spare battery.
(1) Insert the AC adapter plug (miniUSB) into
the USB connector in the back of the cradle.
(2) Plug in the AC adapter to an appropriate AC
outlet.
(3) Place the phone and/or the spare battery
pack as shown below. When placing a
battery pack into the slot, insert it so that the
label may face downward.
USB connector
AC Adapter
AC outlet
AC adapter plug
Cradle (Battery Charger)
Note: Face the label of the battery pack
downward when inserting the battery
pack.
Info LED
Indicate charge status
LED
Indicate charge status
Spare Battery (option)
(4) The LED on the cradle lights red, indicating
the battery is being charged. In this case, the
phone battery is not being charged and Info
LED turns off.
(5) The LED on the cradle lights green when the
spare battery is fully charged. After this,
charging to the phone battery will start and
Info LED lights red.
(6) Info LED lights green when the phone
battery is fully charged.
An empty battery pack can be fully
charged in about 4 hours.
If any abnormality is found to the
battery, the LED on the cradle
starts flashing. In this case, please
contact your network
administrator.
In case that you place the phone
on the cradle and insert the spare
battery into the slot at the same
time, the spare battery will be
charged first.
6
By using the AC Adapter:
NEC Infrontia Confidential
To charge the phone using the AC adapter do as
follows.
(1) Insert the AC adapter to an appropriate AC
outlet.
(2) Insert the AC adapter plug (miniUSB) to
USB connector of the phone.
Info LED
: Light red (Charging)
: Light green (Charging is completed)
USB connector
AC adapter plug
AC Adapter
AC outlet
7
This page is for your notes.
NEC Infrontia Confidential
8
3.BASIC OPARATION
Current Date
A day of the week
Current
Time
My name
Phone Number
TIP
Antenna icon
TIP
NEC Infrontia Confidential
• TO POWER ON THE PHONE
(STANDBY MODE)
- Press and hold key for 2 seconds or
more. The start screen appears and Info
LED flashes orange. After that your phone
displays the following initial screen.
- Make sure Antenna icon ( ) is displayed
9/ 2 Tue 08:27AM
223 Mike
Standby mode
This initial screen is called
Standby mode in this manual.
on your phone as follow.
9/ 2 Tue 08:27AM
223 Mike
Antenna icon indicates you can
use the phone. If Antenna icon
indicates out of service area ( ),
please contact your network
administrator.
• TO POWER OFF THE PHONE
- Press and hold key for 2 seconds or
more. “Power Off” is displayed and Info
LED flashes orange.
9
• TO ANSWER A CALL
TIP
TIP
TIP
NEC Infrontia Confidential
• TO PLACE A CALL ON HOLD
When receiving an incoming call, the display
automatically changes to Incoming Call screen.
- To answer the call, press key
- To stop the ring without answering the call,
9/ 2 Tue 08:30AM
R I N G 240
press key
When the calling party has been
already registered in the Directory,
the registered Name is displayed.
• TO MAKE A CALL
To make a phone call, do either of the following;
- Enter the phone number and then press
key. (Preset Dialing)
- Press key and then enter the phone
number. (Overlap Dialing)
By pressing CLEAR key, you can
delete the last digit of the dialed
number that is currently displayed
on the phone when Preset Dialing
is used.
During an active call, you can hold the call.
- Press key to hold the line. Your phone
displays.
- Press key again to retrieve the line.
00:00:29
H O L D 240
During hold, Info LED blinks
orange.
• TO TRANSFER A CALL
During an active call, you can transfer the call to
other phone.
- Press key during the call. Your phone
displays.
- After hearing Special Dial Tone, enter the
- The called party answers the call, and then
- Press key or key before the
00:00:29
H O L D 240
phone number to transfer the call.
press key or key. (Attended Transfer)
or
called party answers. (Unattended Transfer)
10
• TO REDIAL (LAST NUMBER
NEC Infrontia Confidential
REDIAL)
You can make a call from the Call History of
Outgoing calls. A maximum of the 50 calls can
be automatically recorded.
- Press key in Standby mode. The
headset displays Call History of Outgoing
calls similar to the following.
9/ 2 8:30 240
9/ 1 22:11 Eric
9/ 1 14:56 John
8/31 9:42 Pat
Delete Save Back
- Press key to select a desired party you
want to redial.
9/ 2 8:30 240
9/ 1 22:11 Eric
9/ 1 14:56 John
8/31 9:42 Pat
Delete Save Back
- Press key. your phone displays the
phone number list as follow if the selected
party has been already registered in the
Directory.
1.14581234567
2.12621234567
3.200
Prefix Call Back
- Press key or “Call” soft key to redial
the party after you select a phone number
by pressing key.
Outgoing
Outgoing
Number
• TO USE MUTE MODE
During an active call, you can use Mute mode.
When enter Mute mode, your voice do not reach
to a called party.
- Press key to enter Mute mode. Your
phone displays.
- Press key again to exit Mute mode.
[M U T E]
00:00:50
TALKING 240
11
• TO USE HEADSET
TIP
NEC Infrontia Confidential
When a headset is inserted to the Headset
connector, the phone is in headset call mode.
- Connect a headset to the phone.
- When the phone receives a call, you can
hear ringing from the headset or speaker
(configurable). If a vibrator is set to enable,
it is also available.
- Press key to answer the call.
- You can talk using the microphone and ear
phone of the headset.
- Press key to end the call.
This phone has a JEAITA RC-5240
jack as a headset connector. If
your headset has ∅2.5 plug, you
can connect the headset to the
phone by using a conversion
cable.
• TO USE SOFT KEYS
You will often use soft keys when you operate
this phone. You can use soft keys as follow.
9/ 1 22:00 Eric
9/ 1 9:25 222
8/31 10:12 Tom
8/31 10:03 Tom
Delete Save Back
Incoming
12
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