Contents

LIMITED WARRANTY STATEMENT. 1 Subject... 3 Introduction.. 5 Important Information.. 6 Check Accessories... 6 Before You Start... 7 Safety Instructions.. 7 Safety Information.. 8 FCC RF Exposure Information.. 9 Chapter 1. Getting Started.. 13 Cautions... 13 Using the Battery Pack.. 14 Phone Components.. 18 Phone Overview.. 19 Onscreen Icons... 21 Entering Information Using T9 Text Input.. 22 Chapter 2. Basic Functions.. 27 Turning the Phone On and Off. 27 Making a Call.. 28 Correcting Dialing Mistakes.. 29 Receiving Calls.. 29 Using Manner, Silence All, Lock Mode. 30 Call Waiting... 32
Mute...32 Redialing Calls... 32 Adjusting the Volume.. 33 Power Save Mode.. 33 Signal Strength... 34 Caller ID Display.. 34 Speed Dialing.. 35 Caller ID.. 35 Phone Book Features.. 36 Making a Call From Your Phone Book. 38 Chapter 3. Menu Features.. 43 General Guidelines to Menu Access and Settings.. 43 Call History... 44 Phone Book... 47 Messages.. 50 Mobile Web... 65 Get It Now... 72 Fun Tools.. 76 Organizer.. 77 Settings... 81 Phone Info... 105 Chapter 4. Functions Used During a Call. 107 Mute.. 107
Chapter 5. Accessories.. 108 Chapter 6. Appendix.. 111 Chapter 7. Safety Guidelines.. 113 TIA Safety Information.. 113 FDA Consumer Update.. 118
LIMITED WARRANTY STATEMENT
1. WHAT THIS WARRANTY COVERS:
LG offers you a limited warranty that the enclosed subscriber unit and its enclosed accessories will be free from defects in material and workmanship,according to the following terms and conditions: (1) The limited warranty for the unit and enclosed accessories shall be a period of one (1) year from the date of original purchase. The remaining warranty period for the unit being repaired or replaced shall be determined by presentation of the original sales receipt for the purchase of the unit. (2) The limited warranty extends only to the original purchaser of the product and is not assignable or transferable to any subsequent purchaser/end user. (3) The limited warranty is good only to the original purchaser of the product during the warranty period as long as it is in the U.S., including Alaska, Hawaii, U.S. T rritories, and all Canadian Provinces. e (4) The external housing and cosmetic parts shall be free of major defects at the time of shipment and, therefore, shall not be covered under these limited warranty terms. (5) Upon request from LG,the consumer must provide information satisfactory to LG to prove the date of purchase or exchange. (6) The customer shall bear the cost of shipping the product to the Customer Service Department of LG. LG shall bear the cost of shipping the product back to the consumer after the completion of service under this limited warranty.
2. WHAT THIS WARRANTY DOES NOT COVER:
(1) Defects or damage resulting from use of the product in other than its normal and customary manner. (2) Defect or damage from abnormal use, abnormal conditions, improper storage, exposure to moisture or dampness, unauthorized modifications, unauthorized connections, unauthorized repair, misuse, neglect, abuse, accident,alteration,improper installation, or other acts which are not the fault of LG, including damage caused by shipping,blown fuses,or spills of food or liquid. (3) Breakage or damage to antennas unless caused directly by defects in material or workmanship. (4) Alleged defects or malfunctions of the product if the Customer Service Department at LG was not notified by the consumer during the applicable limited warranty period. (5) Products, which have had the serial number,removed or made illegible.
(6) This limited warranty is in lieu of all other warranties, express or implied either in fact or by operations of law,statutory or otherwise,including but not limited to any implied warranty of marketability merchantability or fitness for a particular use. (7) Damage resulting from use of non-LG approved accessories. (8) All plastic surfaces and all other externally exposed parts that are scratched or damaged due to normal customer use. (9) Products operated outside published maximum ratings. (10) Products used or obtained in a rental program. (11) Consumables (such as fuses).

CDMA Standard

Basic air interface

Designator

TIA/EIA/IS-95-A ANSI J-STD-008 TIA/EIA/IS-634 TIA/EIA/IS/651 TIA/EIA/IS-41-C TIA/EIA/IS-124 TIA/EIA/IS-96-B TIA/EIA/IS-99 TIA/EIA/IS-637 TIA/EIA/IS-657 TIA/EIA/IS-97 TIA/EIA/IS-98 ANSI J-STD-018 ANSI J-STD-019 TIA/EIA/IS-125

Description

Protocol between MS and BTS for Cellular & AMPS Protocol between MS and BTS for PCS MAS-BS PCSC-RS Intersystem operations Nom-signaling data comm. Speech CODEC Assign data and fax Short message service Packet data Cellular base station Cellular mobile station PCS personal station PCS base station Speech CODEC

Network

Service

Performance

* TSB -74: Protocol between an IS-95A system and ANSI J-STD-008 1xRTT system receives subscribers in wireless sections twice as much as IS-95. Its battery life is twice as long as IS-95. High-speed data transmission is also possible.

Introduction

Highlights
Congratulations! Your new mobile phone will change the way you communicate and is a compact, lightweight personal communication system with added features for the person on the go. Our advanced digital mobile communication technology features the following: Large, easy-to-read, 6-line, backlit LCD plus two status lines. Paging, messaging, voice mail, and caller ID. 18-key keypad. Long battery standby and talk time. Menu-driven interface with prompts for easy operation and configuration. Any key answer, auto answer, auto retry, and onetouch dialing and speed dialing with 99 memory locations. Bilingual (English and Spanish menu languages are available).

Important Information

This users manual provides important information on the use and operation of your phone. Please read all the information carefully prior to using the phone for best performance and to prevent any damage to or misuse of the phone. Any unapproved change or modification will void your warranty.

Check Accessories

Your mobile phone comes with a one-slot desktop charger and a rechargeable battery. Please verify that your accessories are included.

Before You Start

Safety Instructions
WARNING! To reduce the possibility of electric shock ,d o not expose your phone to high humidity areas, such as the bathroom, swimming pool, etc. Always store your phone away from heat. Never store your phone in settings that may expose it to temperatures less than 32F or greater than 104F, such as outside during a snow storm or in your car on a hot day. Exposure to excessive cold or heat will result in malfunction, damage and/or catastrophic failure. Be careful when using your phone near other electronic devices. RF emissions from your mobile phone may affect inadequately shielded electronic equipment nearby. You should consult with manufacturers of any personal medical devices, such as pacemakers and hearing aides,to determine if they are susceptible to interference from your mobile phone. Turn off your phone in a medical facility or at a gas station. Never place your phone in a microwave oven as this will cause the battery to explode. IMPORTANT! Please read the TIA SAFETY INFORMATION (on page 113) before using your phone.

Safety Information

Please read and observe the following information for the safe and proper use of your phone and to prevent any unanticipated damage by accident. Also, keep the users manual in an accessible place at all times after reading it. Unplug the power cord and charger during a lightning storm to avoid electric shock or fire. Do not use your phone in high explosive areas, as the phone may influence high frequency devices. Do not put your phone in a place subject to excessive dust, and be careful to keep the minimum required distance between the power cord and heat sources. Unplug the power cord prior to cleaning your phone, and clean the power plug pin when it is dirty. Do not damage the power cord by bending, twisting, pulling, or heating. Do not use the plug if it is loose, as it may cause fire or electric shock. Hold the power cord plug firmly to plug and unplug the power cord. Ensure the plug is firmly connected. If it is not firmly connected, it may cause excessive heat or fire. Do not place any heavy item on the power cord. Do not allow the power cord to be crimped, as it may cause fire or electric shock. Be careful not to let the battery contacts touch metal conductors such as a necklace or coins. When shorted, it may cause an explosion. Do not disassemble or allow heavy impact to the battery as it may cause electric shock,short-circuit, and fire. Store the battery in a place out of reach of children.
Using a damaged battery or placing a battery in your mouth,may cause serious injury. Do not place items with a magnetic strip,such as a credit card, phone card, bank book and a subway ticket, near your phone. The magnetism of the phone may damage the data stored in the magnetic strip. Do not hold or let the antenna come in contact with your body during a call. Talking on your phone for a long period of time may reduce the call quality due to heat generated during use. Do not allow excessive vibration or impact to the phone. When you do not use the phone for a long period time, store it in a safe area with the power cord unplugged.

Chapter 1. Getting Started

Cautions

Using the phone near receiving equipment (i.e., TV or radio) may cause interference. Keep your phone in a safe place when not in use. Only use the batteries, antennas, and chargers provided by LG. Using unauthorized accessories could void your warranty. Only authorized personnel should service the phone and its accessories. Faulty installation or service may result in accidents and consequently void the warranty. Do not hold the antenna while the phone is in use. Do not use the phone in designated no cellular phone use areas. Do not expose the phone to high temperature or humidity. Avoid getting your phone wet. If the phone gets wet, turn the power off immediately and remove the battery. If the phone is non-functional, return it to the dealer for service. Avoid shock or impact to the phone.

VX4400

Using the Battery Pack
Charge the battery fully before initial use of the phone. The phone comes with a rechargeable battery. Keep the battery charged while not in use in order to maximize talk and standby time when using the phone.

Installing the Battery

To install the battery, insert the bottom of the battery into the opening on the back of the phone. Then, push the battery down until the latch clicks.

Removing the Battery

Turn the power off. (If power is on, a loss of stored numbers and messages may occur.) Lifting release latch detaches the battery from the phone.

14 Getting Started

Battery Charge Level
The battery charge level is shown at the top right of the LCD screen.
When the battery charge level becomes low, the low battery sensor will alert you in three ways: sounding an audible tone, blinking the battery icon outline, and displaying LOW BATTERY WARNING! If the battery charge level becomes exceedingly low, the phone will automatically switch off and any function in progress will not be saved.
Using the Desktop Charger
The desktop charger has a slot for recharging your phones battery. Warning! Use only the desktop charger provided with the phone. Using an unauthorized charger may cause damage to your phone or battery. 1. Plug the charger into a wall outlet. The phone must be charged from a 120 V power source only.

Using Manner, Silence All, Lock Mode

Manner Mode (Quick)

Use Manner Mode in a public place. 1. In Standby Mode, activate Manner Mode quickly by pressing (for 3 seconds) instead of using the Menu function.
- When the cellcase is closed, Manner Mode can be activated by pressing and holding the Voice Memo Key.
When Manner Mode is set, Manner Mode ( ) is displayed on the LCD screen. When Manner Mode is set, key tone does not sound and Vibration is selected as the ringer.
Selecting Manner Mode will allow you to maintain your phone under Manner Mode even when you turn it off and turn it back on. To cancel Manner Mode, press again until Silence All activated! is displayed and press again until Normal Mode activated! is displayed.

30 Basic Functions

Silence All mode (Quick)
1. In Manner Mode, activate Silence All Mode quickly by pressing (for 3 seconds).
When Silence All Mode is set, there are no tones from the keys and the ringer does not sound but the lamp blinks instead.
To cancel Silence All Mode, press again until Normal Mode activated! is displayed. To change to a different mode, from Standby Mode press -> Manner Mode -> Silence All Mode.

Lock Mode (Quick)

Use Lock Mode to prevent others from using your phone. 1. In Standby Mode, to activate Lock Mode quickly, press (for 3 seconds). Phone is now locked! will be displayed.
To cancel Lock Mode, press Soft Key 2 Unlock, then enter your password (4 digits).

Call Waiting

Your cellular service may offer a call waiting function. While a call is in progress, you may hear two beeps indicating another incoming call. When call waiting is enabled, you may put the active call on hold while you answer the other incoming call. Check with your cellular service provider for information about this function. 1. Press 2. Press to receive a waiting call. again to switch between calls.
The mute function prevents the other party from hearing your voice, but allows you to hear the other party. 1. Press Soft Key 1 Mute during a call. 2. To cancel Mute, press Soft Key 1 Unmute again.

Redialing Calls

1. Press to redial the last number in Call History. You can also redial any of the last 30 numbers you have dialed. The last 30 numbers are stored in the call history list.

32 Basic Functions

Adjusting the Volume
The volume keys on the left side (Side Keys) of the phone can be used to adjust the earpiece, ringer, and key beep volumes. The upper key is used to increase and the lower key is used to decrease the volume. You may adjust the earpiece volume during a call or through the Menu feature. Low -> Low Med -> Med -> Med High -> High The ringer volume can be adjusted in Standby mode or through the Menu feature. Off -> Vibrate -> Low -> Low Med -> Med -> Med High -> High -> High & Vib The key beep volume is adjusted through Menu feature only. Off -> Low -> Low Med -> Med -> Med High -> High

Power Save Mode

When the phone is in an area without service for about 15 minutes, it stops searching for service and enters into Power Save Mode. When your phone activates this feature, Power Save is displayed on the screen. The phone automatically checks for service periodically or you can check manually by pressing any key.

Signal Strength

The call quality depends on the signal strength in your area. The current signal strength is displayed on the screen as the number of bars next to the signal strength icon. The more bars, the better the signal strength. If the signal quality is poor, move to an open area. If you are in a building, the reception may be better near a window. For maximum reception, make sure that the antenna is fully extended.

Caller ID Display

The small LCD on the outside of the phone displays information such as: Date and Time. Caller ID (callers information [name and/or number]). Number of new messages. No service status and Power Save Mode. Wake up and scheduler message. Number of missed calls. The phone will display the most recent information until the cellcase is opened, then the information will appear on the main display.

34 Basic Functions

Speed Dialing(Making a call from Phone Book)
Speed dialing is a convenient feature which allows you to make phone calls quickly and easily. Your phone recalls the phone number from your personal directory, displays it briefly, and then dials it. 1. Enter a speed dial number 01 to 99. 2. Press.

Caller ID

Caller ID lets you know who is calling by displaying the number of the person calling when your phone rings. If the callers name and number are already stored in your Phone Book, the corresponding name appears with the number. You should check with your service provider to ensure they offer this feature.

Phone Book Features

You can store up to 200 entries in your Phone Book with easy access to your most frequently dialed phone numbers.
Personal Phone Book Memory The phone has 200 personal phone book memory locations where you can store up to 5 phone numbers with 48 digit capacity for each phone number.

Saving Numbers in Your Personal Phone Book Memory locations 1 through 9 should be used for one-touch dialing for your most frequently used phone numbers. 1. Input the phone number that you want to save (up to 32 digits). 2. Press Soft Key 1 Save, the submenu appears. 3. Select Label on the sub-menu and press.
4. Select your desired label types Home, Office, Mobile, Pager, Fax, None using. 5. Enter a name for the phone number (up to 22 characters). If you do not want to enter a name, press to go to the next step.

36 Basic Functions

6. You may select the desired ID ring type, secret and. 7. Press Soft Key 1 Save. A confirmation prompt PhoneBook entry saved. displays on the phone.
Retrieving Numbers Retrieving by Name Search
1. Press Soft Key 2 Search. 2. Press Soft Key 2 Actions. 3. Select Name. 4. Enter the character(s) that you want to search for (such as the few letters of the name.) 5. Press.
6. You will see a list of matches. 7. Press Soft Key 1 Edit to see specifics in that entry, or press to place the call.
Making a Call From Your Phone Book
You can place a call from any memory location either by using speed dialing or by entering the phone number and pressing. One-Touch Speed Dialing: This feature enables you to dial 9 of your most frequently used numbers using a single key press. These numbers are stored in your Phone Book in memory locations (1 through 9). For locations 1 through 9, you can use one-touch dialing by pressing and holding the corresponding key to the memory location to be dialed. or Press a digit, then press.
Two-Touch Speed Dialing: This feature enables you to dial numbers in your Phone Book through two keys (for locations 10 to 99). 1. Press the first digit. 2. Press and hold the key of the second digit. or 1. Press the first and second digit, then press.

38 Basic Functions

Dialing from an Entry List
1. From an entry list, use the navigation key to go to the entry you want. 2. Press.
Dialing from a Memory Location

New Message Alert There are four ways your phone alerts you to new messages. 1. A message is displayed on the LCD screen. 2. One of four ring types is heard,if selected. 3. The red lamp blinks.
4. The message icon ( ) is displayed on the LCD screen. In the case of an urgent message,the icon will flash and it displays as an Urgent message.
NOTE If you receive the same message twice, your phone deletes the older one and the new one is stored as a DUPLICATE.

Voice (Menu

Allows you to view the new voice messages recorded in the voicemail box. When you have a new voice message, your phone will alert you. Once you exceed the storage limit, old messages will be overwritten.
Checking your Voicemail Box
1. Press Soft Key 1 Menu. 2. Press. 3. Select Voice. To delete information press Soft Key 1 Clear and then select Clear Count.
Send New (Menu , ) Allows you to send text messages, page messages, and e-mail transmissions. Text messages: Transmits text (with or without numbers). Page messages: Transmits only numbers without text. To send a message, enter an SMS phone number to Address 1. To send e-mail, enter recipients e-mail address.
Address 1: This feature allows multi-sending of up

52 Menu Functions

to 10 total addresses. Select Actions by using Soft Key 2. There are 6 optional menus of Send, Priority, Add Sign, Callback#, Deferred, and Validity. 1. Press Soft Key 1 Menu. 2. Press.
3. Select Send New. 4. Enter the recipients address. The address can be typed in or taken from a Phone Book entry. 5. Enter the message. The text can be entered using the keypad or by selecting Canned Msg with Soft Key 2 Insert. Canned Msgs There are 11 predefined phrases included in the Canned Msg option. You can also add up to 6 of your own phrases. 6. Select Actions using Soft Key 2 after entering the number of other party and the content with the Navigation Key. Select the item with. Send Priority Add Sign Allows you to send the message. Allows you to give priority to message. Normal or Urgent. Allows you to insert a preprogrammed signature with
your message. Callback # Allows you to insert insert a pre-programmed callback number with your message. Allows you to delay sending the message until the programmed time frame.

Deferred

Indicates the validity of message delivery to the Short Message Center (SMC) without being transmitted to the destination address for certain periods of time. Those messages will be deleted within the programmed time frame. Validity time frames are as follows: Default, 30 minutes, 1 hour, 2 hours, 12 hours, 1 day, 2 days, and 3 days. If you select Send, it notifies you that the message was sent successfully.

Cancel

58 Menu Functions

Status Code

Checks the sent message information (MSG ID/Err Class/Cause Code).

Status Descriptions

Sent Fail Delivery
Messages saved in Short Message Center (SMC) have been transmitted. Indicates a failed message transmission. Message has been delivered.
After transmission to message center has occurred, messages that have not been Cancel delivered may be canceled by transmitting cancel message. Transmission is unavailable in analog mode or in a no service area. Messages Pending are pending transmission. Pending messages are transmitted automatically when digital mode becomes available.

Multisending

Indicates more than one designated recipient.

Saved (Menu

Displays all the saved and draft messages. Draft Message: Displays the list of messages which received failed to send notifications. Saved Message: Displays the list of saved messages in Inbox/Outbox.

Msg Settings (Menu

Alert, default CB# (callback number), Auto Save, and Auto Delete may be configured for receiving new messages. You are alerted in 3 ways when you receive a new message: - By displaying a message on the screen. - By sounding a beep or vibration. - By the flashing red lamp.

Auto Save (Menu , , )

With this feature on, messages are automatically saved in the Outbox when transmitted.

Auto Delete (Menu , , )

With this feature on, old read messages are automatically deleted when you exceed storage limit.

60 Menu Functions

Callback # (Menu
Allows you to automatically send a designated callback number when you send a message.

Msg Alerts (Menu , , )

Allows you to select the alert type for a new message. Alert types are Voice Mail Alert, Text Msg Alert, Email Alert, Page Alert, and Info Alert.

Signature (Menu , , )

Allows you to edit the signature you want to automatically send with your messages.

Direct View (Menu , , )

Allows you to directly display the content when receiving a message.

Entry Mode (Menu , , )

Allows you to select the default input method including T9Word, ABC, 123, and Symbol.

Block List (Menu , , )

Read Ack (Menu , , )

2. Alert ( , , )

There are 3 alert options. Mute, 2 alerts, and 4 alerts options are provided in this menu. The user may select a browser alert sound.

Get It Now

Get It Now allows you to do more than just talk on your phone. Get It Now is a technology and service that allows you to download and use applications on your phone. With Get It Now, it is quick and easy to personalize your phone to your lifestyle and tastes. Just download the applications that appeal to you. With a wide range of software available, from instant messaging to games to office applications, you can be assured that you can find something useful, practical, or down right entertaining. Plus, there are constantly new applications being created for your use.
Some examples of available application types:
Communication programs which allow you to send instant messages and e-mail. Productivity programs which allow you to synchronize with applications in your office, home, or PDA for more efficiency and better time management. Entertainment programs which allow you to play single-player games, multi-player games, listen to music, watch videos, download custom ringers and screens for your display.

72 Menu Functions

Mobile Commerce programs which allow you to do financial transactions (such as checking your account balance, trade stocks, etc.). General Information programs which allow you to get current news, weather, sports, or traffic. You can download and use Get It Now anywhere on the V rizon Wireless network, as long as your handset e has a digital signal available. Application download time will vary, but most applications will take approximately 1 minute to download. If your currently installed Get It Now application does not need a network connection,it can be used anywhere. The time you spend browsing in Get It Now for an application, and while downloading applications, is deducted from your monthly airtime allowance. Most applications do not use a network connection while in use. However, there are some applications that will and these will incur airtime charges while in use. While downloading an application, any incoming calls will automatically be sent to your voicemail, if available. If you do not have voicemail, downloading will not be interrupted by an incoming call, however the caller will receive a busy signal. When using an application that does not require a network connection,an incoming call will automatically pause the application and allow you to answer the call. When you complete your call, you can resume using the application.
You can personalize your phone by adding new applications and by removing old ones, at any time. However, unused application usage will be lost. If you need more memory, but still want to be able to access the application later, try using Disable. Disabling keeps the application usage and purchase information, but removes it from memory. To restore an application, go to Options, select the application and click on Restore. If you have subscribed to an application, you will still be charged even when an application is disabled. Only removing an application deletes it completely from the memory of the phone. To restore an application once it has been removed will require that you pay and download it again. Airtime charges do apply when removing a subscription application. There is no monthly usage fee for Get It Now. Rather, you pay for each application when you download. Applications are priced individually, please see the Verizon Wireless website for a list of currently available applications and pricing. This function allows you to download some great mobile phone programs (such as securities, chatting, and thematic displays to your mobile phones), whenever you like.

Off The phone automatically directs the call to the voice mail box provided by your service provider after 4 rings. After 1 ring The phone automatically responds after 1 ring. This feature is used only with the hands-free car kit or headset. After 3 rings The phone automatically responds after 3 rings.

98 Menu Functions

This feature is used only with the hands-free car kit or headset. Answering Machine The phone automatically directs the call to your phones built-in voice mail box after 3 rings. To listen to your messages, access Voice Memo from Organizer (Menu , ).

One-Touch Dial (Menu

Allows you to enable/disable one-touch dialing. 1. Press Soft Key 1 Menu. 2. Press , ,.
3. Select Enable or Disable and press

Voice Privacy (Menu

Set the voice privacy feature for CDMA calls as Enhanced or Standard. CDMA offers inherent voice privacy. Check with your service provider for availability of the enhanced voice privacy mode. 1. Press Soft Key 1 Menu. 2. Press , ,.
3. Select Enhanced or Standard and press

Auto Volume (Menu

Language (Menu
Set the bilingual feature according to your preference. Choose between English and Spanish. 1. Press Soft Key 1 Menu. 2. Press , ,. then
3. Set English/Spanish with press.

100 Menu Functions

Data Settings (Menu

Data/Fax (Menu ,

In Data/Fax setting, you can use your phone to transmit data and faxes. Wireless data communication services refer to utilization of subscriber terminals for access to Internet with personal computer or laptops at 19.2 Kbps or at maximum of 230.4 Kbps. Speed of connection depends on carriers network and other variables. Contact communication information specifications must match network. 1. Press Soft Key 1 Menu. 2. Press , ,.
Off/Fax In Once/Fax In Always/Data In Once/ Data In Always
NOTE Data Connection Kit - Your wireless connection to the Internet and other dial-up networking functions. This Kit allows you to connect your PC or PDAto your LG wireless phone, freeing you from having to locate a telephone outlet. You can send or receive an e-mail, a fax, or access the Internet anytime, anywhere.

Select Port (Menu

USB/RS-232C (COM Port)/Closed

Port Speed (Menu

This setting enables the subscriber terminal to set the port speed. 1. Press Soft Key 1 Menu. 2. Press , ,.

19200/115200/230400

Port Speed needs to be set properly based on carriers network. Contact carrier for the maximum available speed.

9. What steps can I take to reduce my exposure to radiofrequency energy from my wireless phone? If there is a risk from these products and at this point we do not know that there is it is probably very small. But if you are concerned about avoiding even potential risks, you can take a few simple steps to minimize your exposure to radiofrequency energy (RF). Since time is a key factor in how much exposure a person receives, reducing the amount of time spent using a wireless phone will reduce RF exposure. If you must conduct extended conversations by wireless phone every day,you could place more distance between your body and the source of the RF,since the exposure level drops off dramatically with distance. For example, you could use a headset and carry the wireless phone away from your body or use a wireless phone connected to a remote antenna. Again, the scientific data do not demonstrate that wireless phones are harmful. But if you are concerned about the RF exposure from these products, you can use measures like those described above to reduce your RF exposure from wireless phone use. 10. What about children using wireless phones? The scientific evidence does not show a danger to users of wireless phones, including children and teenagers. If you want to take steps to lower exposure to radiofrequency energy (RF),the measures described above would apply to children and teenagers using wireless phones. Reducing the time of wireless phone use and increasing the distance between the user and the RF source will reduce RF exposure. Some groups sponsored by other national governments have advised that children be discouraged from using wireless phones at all. For example,the government in the United Kingdom distributed leaflets containing such

124 Safety guidelines

a recommendation in December 2000. They noted that no evidence exists that using a wireless phone causes brain tumors or other ill effects. Their recommendation to limit wireless phone use by children was strictly precautionary; it was not based on scientific evidence that any health hazard exists. 11. What about wireless phone interference with medical equipment? Radio frequency energy (RF) from wireless phones can interact with some electronic devices. For this reason,the FDA helped develop a detailed test method to measure electromagnetic interference (EMI) of implanted cardiac pacemakers and defibrillators from wireless telephones. This test method is now part of a standard sponsored by the Association for the Advancement of Medical instrumentation (AAMI). The final draft, a joint effort by the FDA, medical device manufacturers, and many other groups, was completed in late 2000. This standard will allow manufacturers to ensure that cardiac pacemakers and defibrillators are safe from wireless phone EMI. The FDA has tested hearing aids for interference from handheld wireless phones and helped develop a voluntary standard sponsored by the Institute of Electrical and Electronic Engineers (IEEE). This standard specifies test methods and performance requirements for hearing aids and wireless phones so that no interference occurs when a person uses a compatible phone and a compatiblehearing aid at the same time. This standard was approved by the IEEE in 2000. The FDA continues to monitor the use of wireless phones for possible interactions with other medical devices. Should harmful interference be found to occur, the FDA will conduct testing to assess the interference and work to resolve the problem.