Mitsubishi T250 Owner's Manual

MobileAccess™ T250 Phone Overview

Earpiece

Menu key

Graphic Display

Telephone numbers,
menus, messages, etc.
are displayed here

Left softkey

Executes action
displayed on screen
directly above.

Mode key

Press and hold to turn
the phone on or off.
Press to toggle
between Voice and
Data Mode

SEND key

Dials displayed
number or name and
answers calls

Alphanumeric keys

Enter text and
telephone numbers.
Also used for menu
navigation, speed dial
access, and Favorites
access.

AC Rapid Charging
Adapter socket

Data cable connector

Press to go to main
menu for phone and
data-related services.

This is NOT the
browser menu. Press

and hold to get menu
help.

Right softkey

Executes action
displayed on screen
directly above.

Headset socket

Connect headset here.

Clear key

Erases characters.
Turns off alerts.

Express Key

Navigation key. Press
and hold left arrow to
dial voice mailbox.
Press and hold right
arrow to read text
messages. Press
arrows to move cursor
between options.

END/Back key

Press and hold to end a
call or go back to
previous display.

Microphone

Key Functions

Key Standby Voice Mode Active Voice Mode

Left: Call Lists

Right: Phonebook

Press/hold: Turn on Key Guard

Press: Switch to Data Mode

--

Press/hold: Power OFF

Press: Recall last 10 dialed

numbers

Main menu for phone services

Press/hold: Help/info about
displayed item

Press: Go back 1 screen

Press/hold: Go to standby screen

Press/hold left: voice mailbox

Press/hold right: SMS messages

Press up/down: Ringer volume

control

Press: Clear previous character

Press/hold: Clear entire entry

Press: In text entry, enter letters,

numbers or symbols

In text entry, press 1 for punctuation
mark

Press/hold: Speed dial Phonebook
entry

Press/hold 9: Emergency Call if
set up

Press: Enter * or change case in
text entry

Press: Enter 0

Press/hold: Speed dial operator

Press: Enter # or, in text entry,

a space

Left: Mute

Right: Options

Press/hold: Turn on Key Guard

Not active

Press: Dial number displayed/
answer incoming call

Press/hold: Credit card call (if
activated)

Main menu for phone services

Press/hold: Help/info about
displayed item

Press: Go back 1 screen

Press/hold: Terminate call

Press up/down: Volume control -

earpiece

Press: Clear previous character

Press/hold: Clear entire entry

Press: Enter numbers

(Can be used to enter & store a
number, but tones will sound.
To store a number silently, use
scratchpad option)

Press: Enter *

Press: Enter 0

Press/hold: Speed dial operator

Press: Enter #

Key Functions

Key Standby Data Mode Active Data Mode

Softkey action Action indicated on softkey

displayed above

Press: Switch to Voice Mode

Press/hold: Power OFF

Not active Not active

Press: Switch to Voice Mode

Press/hold: Power OFF

--

Main menu for phone services
(NOT browser Home Page menu)

Press/hold: Help/info about
displayed item

Press: Go to standby screen Press: Go back 1 screen

Press up/down: Scroll to menu

selection

Not active

Press: Move directly to menu item
next screen

In text entry, enter letters, numbers
or symbols

In text entry, press 1 for punctuation
mark

Press/hold: Go to My Favorites

Press/hold 9: Emergency Call

Press: Enter * Press: To change case in text

Press: Enter 0 Press: Go to 10th menu selection.

Not active

Main menu for phone services
(NOT browser Home Page menu)

Press/hold: Help/info about
displayed item

Press/hold: Return to Home Page

Press up/down: Scroll to menu

selection

Press left/right: Move to next
character or word in text entry

Press: Clear previous character

Press/hold: Clear entire entry

Press: Move directly to menu item

next screen

In text entry, enter letters, numbers
or symbols

In text entry, press 1 for
punctuation mark

Press/hold: Go to My Favorites

Press/hold 9: Emergency Call

entry

In text or numeric entry, enter 0.
In T9 Quick Type, select next
word.

Press/hold: To register a My
Favorites entry

Press: Enter space

Display Indicators – Voice Mode and General

The display window can display up to eight lines of characters plus one row of special display
indicators or icons. The display window in standby Voice Mode:

Special icons that appear in the display:

Voice Mode

General (Voice and Data)

Voice Mail Displays when a PCS voice mail message has

Text Message Displays when a PCS text message has been

Digital Indicates digital voice network available; if not

Off Hook Conversation

Call Lists Dialed, received and missed calls listed

Phonebook View local names and numbers

Signal Strength Six levels indicate the strength of the received

All Alerts Off All audio alerts are muted

been received and stored

received and stored

displayed, phone is operating on analog network

signal -- signal indicator for network on which
phone is currently registered

Some Alerts Off Ringer and/or message alert muted. Example: if

Vibrate Alert Vibrate alert on (available only if vibrate battery

Battery Level Three levels indicate the charge level (low,

Scroll Icon More menu information up/down in menu screen;

ring volume=0, this icon appears

installed)

medium, high)

in some cases, move left/right

Display Indicators - Data Mode

An example of the display window for the browser Home Page:

Special icons that appear in the display:

Data Mode

Secure Secure mode

Message Alert Data alert received

CDPD Registered Packet data network available -- registered

CDPD Not Registered Packet data network not available -- not registered

Tethered Mode Mitsubishi MobileAccess™ T250 Phone

In tethered mode, your phone can connect your personal computer to the Internet. Your phone
can also synchronize the Phonebook with your contact database using the modem software and
cable that are part of the FoneSync® accessory package available through AT&T.

To operate the phone in tethered mode, you must:

Install the MobileAccess™ T250 phone as a modem on your computer.
Set up dial-up networking.
Connect a cable between the phone and the modem.

The Mitsubishi modem installation disk can be found on the FoneSync CD ROM. Using the
CD ROM, follow these instructions. You can also install the phone as a standard 19200 bps
modem.

Mitsubishi Modem Installation Procedure

1. Turn on your computer and start the Microsoft® Windows® 95 or 98 operating system.

2. Click on the Start button, then select Settings, then Control Panel.

3. Double-click on Modems icon.

4. The Modems Properties dialog box appears. Click Add.

5. Select Other type of modem and click Next.

6. Check Don’t run the Hardware Installation Wizard box, then click Next.

7. Check Don’t detect my modem; I will select it from a list box, then click Next.

8. At the if you have an installation disk screen, click Have Disk....

9. Insert the installation disk in the CD ROM drive and click OK.

10. The Model list screen should list only the Mitsubishi CDPD T250
Modem. Click Next.

11. From the Select the port to use with this modem list, select Communications Port
(COM 1), then click Next.

Note: If you have an internal modem in your computer, the computer may assign Com2.

If you experience any difficulties, please check with your IT department or the computer
manufacturer.

12. Your modem has been set up. Click Finish.

13. The Modems Properties box will list the Mitsubishi CDPD T250 Modem as set up.
Click Properties.

14. Click on Maximum speed. Set to 38400, then click OK.

15. To continue, proceed with Set up dial-up networking section.

Set Up Dial-Up Networking

Dial-up networking enables you to connect one computer to another computer and to the network
by using a modem.

Double-click on My Computer to make sure dial-up networking is set up in your computer.
If it is not, you can install dial-up networking with the following steps:

1. Open Control Panel.

2. Double-click on Add/Remove Programs icon.

3. Select Windows Setup tab.

4. Check the Communications box and click Details button.

5. Check the Dial-Up Networking box and click OK button.

6. Click Apply button. Installation of Dial-Up Networking will begin.

7. Click OK button, read notice, and restart your computer if prompted to do so.

When dial-up networking is installed:

1. Double-click on My Computer.

2. Double-click on Dial-Up Networking icon.

3. Double-click on Make New Connection icon.

4. The Make New Connection screen appears with My Connection selected.

5. Type the name (T250) for the computer you are dialing and select the Mitsubishi CDPD T250
Modem. Click Next.

6. Type any number in the area code box, then select a country code.

Note: with CDPD service, your computer does not dial a telephone number.

After typing, click Next.

7. The screen will indicate you have successfully created a new dial-up networking connection
called T250. Click Finish to save it in your Dial-Up Networking folder.

8. Double-click on My Computer.

9. Double-click on Dial-Up Networking icon.

10. Click once on T250 icon, then right-click and select Properties.

11. The T250 Properties dialog box appears.

12. In the T250 Properties dialog box, select Server Types tab.

13. Uncheck everything except TCP/IP box. Click TCP/IP Settings button.

14. Select Server assigned IP address. Uncheck Use IP header compression.

15. Select Specify name server addresses. Type in the 12 digit Primary DNS (Domain Name
Server) address and, if applicable, the Secondary DNS address. These addresses should
be obtained from your service provider. Click OK button.

16. Click OK button again. Now your computer is set up to use the MobileAccess™ T250 phone
as a wireless IP modem.

Connecting to the Internet with your MobileAccess™ T250 phone

To use the phone as a modem, connect the PC cable to both your phone and the RS232 port
(DB9 port) on your computer.

Click on Dial-Up Networking and the icon for your wireless IP connection. Then click Connect.

You will now be connected to the Internet over the wireless IP (CDPD) network.

Glossary

Term Description

CDPD Cellular Digital Packet Data. An enhanced system overlay for transmitting

and receiving data over cellular networks.

Conversation mode When the phone is making or receiving a call.

DTMF Dual Tone Multi-Frequency tones

EID Equipment Identifier for a data device

Gateway A network point that acts as an entrance to another network.

GSM Global System for Mobile Communications

HDML Handheld Device Markup Language – the text-based language used to

construct Web pages for wireless phones.

HTML Hypertext Markup Language – the text-based language used to construct

Web pages for computers.

HTTP Hypertext Transmission Protocol – used by computers to communicate with

each other on the Internet.

IP address Internet Protocol address – the unique number representing each computer

or wireless communication device in a network.

LCD Liquid Crystal Display

LED Light Emitting Diode

NEI Network Entity Identifier – IP address

Packet data Information sent from one computer or wireless device in a network to

another.

PIN Personal Identification Number. Supplied by your network/service provider

RSSI Received Signal Strength Indicator

SMS Short Message Service

SPI Service Provider Identifier

SPNI Service Provider Network Identifier

Standby mode When the phone is on and registered on a network but not making or

receiving a call or transmitting data.

TCP/IP Transmission Control Protocol/ Internet Protocol

TDMA Time Division Multiple Access. A digital radio technology that allows many

users to employ the same radio frequency channel simultaneously without
interference. This reduces the number of base stations needed in a service
area and increases the speed and reliability of voice and data transmission
over longer ranges.

Operating seamlessly between analog and digital frequencies, TDMA allows
easy integration of PCS devices; maintains superior voice quality over long
distance; ensures voice privacy and data security; and requires less
transmitter power than other network access technologies.

Phone.com
Browser™

URL Uniform Resource Locator. Contains the protocol used to reference

Software that allows you to access the Internet from your phone.

documents on the Worldwide Web.

Troubleshooting

Problem Possible cause and solution

Phone does not
turn on

Phone turns on but
there is no display

The phone does
not work with the
handsfree adapter

Dropped calls • The signal strength will depend on your location. Check the received signal

Volume varies or
mutes briefly

• If the phone is new, see “Charging the Battery” on page 8. Otherwise,
recharge or replace the battery. If this does not solve the problem, contact
Mitsubishi Wireless customer service in the U.S. at 1-800-866-6600;
in Canada, call 1-905-475-7728.

• Display contrast is turned down too low. Reset contrast (see page 41).

• A battery is required to use the handsfree adapter; verify a charged battery
is installed on the back of the phone. Verify the phone is attached to the
adapter.

strength indicator , make sure your antenna is fully extended, and try
again after the signal strength increases (another bar appears). In addition
to geographic location, the signal will weaken behind walls, under bridges,
in tunnels, or due to other obstructions.

• The system’s signal strength will vary depending on your location. Audio
level variations can occur due to a weak signal or high speed travel.

Warning Tones

Tone Description

Error tone • Sounds when an unexpected key is pressed (e.g., pressing

Send after pressing Menu).

Fast busy tone • Indicates that the system has not accepted your call.

Siren tone • Indicates an invalid phone number.

Triple high-pitched tone • A short triple high-pitched tone generated every 20 seconds

indicates the battery needs to be charged.

Charging

KEY GUARD ON

No Service

Display Messages

Message Description

- Auto Lock -

Battery Full

CHECK error

Low Battery! and phone beeps

No Voice Mail Center number

• When the phone is turned on, it may require an access code
for security. Enter the preset 4-digit Unlock Code.

• Battery has finished charging.

• The phone is charging normally while powered off. Since the
phone is off, you cannot make or receive calls.

• You can press the key to turn on the phone and operate
it normally. The battery will continue to charge (the battery
can be charged with the phone either off or on.)

• Mitsubishi phones are capable of self diagnostics, and will alert
you when an internal error occurs. For CHECK errors, write
down the number following CHECK and contact your phone’s
network service provider for repairs. Your network service
provider should be able to solve the problem over the phone.

• The phone will turn off for 1 minute. The phone should be
turned off and the battery recharged or replaced.

• Prevents accidental key entry. Press then Yes softkey
to turn off this feature.

• This message indicates you cannot connect to the system
(calls cannot be placed or received), which may be due to:

a) The system in this area does not support your phone.

b) The signal is too weak. Try moving to another location to use

your phone.

• The Voice Mail Center phone number must be set up before
using quick voice message access. The screen will prompt to
edit voice mail number. Press OK softkey, then enter your
Voice Mail Center phone number.