VTech VT2431 Service Manual

Important Safety Instructions

When using your telephone equipment, basic safety precautions should always
be followed to reduce the risk of fire, electric shock and injury to persons,
including the following:

1. Read and understand all instructions.

2. Follow all warnings and instructions marked on the product.

3. Unplug this product from the wall outlet before cleaning. Do not use liquid

cleaners or aerosol cleaners. Use a damp cloth for cleaning.

4. Do not use this product near water (for example, near a bath tub, kitchen

sink, or swimming pool).

5. Do not place this product on an unstable cart, stand, or table. The product

may fall, causing serious damage to the product.

6. Slots and openings in the cabinet and the back or bottom are provided

for ventilation. To protect it from overheating, these openings must not
be blocked by placing the product on the bed, sofa, rug, or other similar
surface. This product should never be placed near or over a radiator or
heat register. This product should not be placed in a built-in installation
where proper ventilation is not provided.

7. This product should be operated only from the type of power source

indicated on the marking label. If you are not sure of the type of power
supply to your home, consult your dealer or local power company.

8. Do not allow anything to rest on the power cord. Do not locate this product

where the cord will be abused by persons walking on it.

9. Never push objects of any kind into this product through cabinet slots as

they may touch dangerous voltage points or short out parts that could result
in a risk of fire or electric shock. Never spill liquid of any kind on the
product.

10. To reduce the risk of electric shock, do not disassemble this product, but

take it to a VTech authorized service facility. Opening or removing cabinet
parts other than specified access doors may expose you to dangerous
voltages or other risks. Incorrect reassemb-ling can cause electric shock
when the appliance is subsequently used.

11. Do not overload wall outlets and extension cords as this can result in the

risk of fire or electric shock.

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12. Unplug this product from the wall outlet and refer servicing to a VTECH

authorized service facility under the following conditions:

A. When the power supply cord or plug is damaged or frayed.
B. If liquid has been spilled into the product.
C. If the product has been exposed to rain or water.
D. If the product does not operate normally by following the operating

instructions. Adjust only those controls that are covered by the
operating instructions, because improper adjustment of other controls
may result in damage and will often require extensive work by a VTech

authorized technician to restore the product to normal operation.
E. If the product has been dropped and the cabinet has been damaged.
F. If the product exhibits a distinct change in performance.

13. Avoid using a telephone (other than a cordless type) during an electrical

storm. There may be a remote risk of electric shock from lighting.

14. Do not use the telephone to report a gas leak in the vicinity of the leak.

VTECH COMMUNICATIONS INC

SERVICE DEPT. at 1-800-595-9511. In Canada, call VTech Electronics Ltd
at 1-800-267-7377.

SAVE THESE INSTRUCTIONS

2

Introduction

The GIGAPHONE is an advanced cordless telephone that operates in the 2.4GHz
frequency range. Your GIGAPHONE is capable of supporting up to a maximum
of 4 Handsets. Using additional Handsets, up to three people can be conferenced
on a call (2 Handsets and the Base Speakerphone), or two extensions can be
conferenced on a call, while two other extensions can be talking internally, using
the Intercom feature.

This manual is designed to familiarize you with the GIGAPHONE cordless
telephone. We strongly recommend you read the manual before using your
phone.

To order additional system Handsets (model# VT 2420), battery
packs, or headsets, call VTech Communications Inc at 1-800-595-

9511.

IMPORTANT

Please record the Base ID#(BS ID) printed on the underside of the 2431 Base
in the space below. Please be certain to include all 15 digits/characters.
Base ID #

3

Parts Check List

1. Base Unit

2. Handset

3. AC Power Adapter

4. Telephone Cord

To purchase replacement battery packs, call VTech Communications Inc
at 1-800-595-9511. In Canada, call VTech Electronics Ltd at 1-800-267-7377.

5. Battery Pack

6. Wall Mounting Bracket

7. Belt clip

8. Owner's Manual

Belt Clip

Battery Pack

Handset

Base Unit

ACPower Adapter

Telephone Line Cord

Wall Mounting Bracket

OWNER'S MANUAL

Owner's Manual

4

The Handset Layout

1

2

8

3
4

5

9

10

6

7

1. Antenna

2. Message Waiting Indicator

3. Earpiece

4. Headset Jack (2.5mm)

5. Scroll Keys

6. On (Flash)

7. Dialing Key (0-9)

11

12

13

8. Handsfree Speakerphone

9. LCD Display

10. Select

11. Off (Clear)

12. Battery Compartment

13. Intercom

14. Microphone

5

The Base Unit Layout

15

16

1

2
3

4
5
6
7

8
9

10

11
12
13
14

17
18

1. Message Waiting Indicator

2. Page/Intercom

3. Flash

4. Charging Contacts

5. Power Indicator

6. Line In Use Indicator

7. Charge Indicator

8. Volume Keys

9. Speakerphone Key

10. Dialing Keys (0-9)

11. Hold

12. Redial

13. Quick Memory Keys

14. Mute

15. Spare Battery drawer

16. Spare Battery Release

17. Telephone Jack

18. DC Connector

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Setup

1. Plug the AC power adapter into an electrical outlet, and the DC connector
into the back of the base unit.

To AC outlet

To telephone
socket outlet

AC adapter

To telephone
jack

Connecting to phone line

Plug one end of the telephone line cord into the jack on the back of the base
unit. Plug the other end of this cord into the wall jack.

Checking for dial tone

After the battery is charged press ON on the Handset. The Phone icon will
appear on the handset display, and you will hear dial tone. If not, see In Case
of Difficulty.

Tone/Pulse selection

See BASE SETTINGS for details.

CAUTION: Use only the Vtech power supply provided with your VTECH.

IMPORTANT:
FOR MAXIMUM PERFORMANCE OF YOUR
CORDLESS TELEPHONE SYSTEM:

1. Choose a central location for your Base Unit.

2. Install your Base Unit and Extension Handsets
away from electronic equipment, such as personal
computers, television sets and microwave ovens.

3. In locations where there are multiple cordless
telephones, separate base units as much as possible.

4. Install your telephone equipment away from
heat sources and sunlight.

5. Avoid excessive moisture, dust or extreme cold.

Getting Started

7

Installation of Battery Pack in Handset

Follow the steps below:

1

3

Getting Started

1. Remove the battery cover by

pressing on the indent and
sliding downward.

2. Place the new battery pack in the

handset with the metal contacts
aligned with the charge contacts
in the battery compartment.

3. Replace the battery cover by

sliding it upwards.

4. If the new battery pack is not

already charged, place the
handset in the base unit, or a
remote charging stand, and allow
it to charge for 12 hours. After
initial charge, a maintenance
charge of 8 hours should be
sufficient.

2

The original Handset that is shipped with your GIGAPHONE system will be
automatically registered to the Base. This Handset is HANDSET 1.

As you register additional Handsets to the system, they will be assigned extension
numbers in the following order: HANDSET 2, HANDSET 3, and finally
HANDSET 4.

Whenever a Handset battery pack is installed, the Handset will automatically
begin SEARCHING FOR BASE (if previously registered), or it will prompt
you to ENTER BASE ID to register the new Handset.

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Spare Battery Charger/Power Backup Function

The GIGAPHONE uses the spare battery charger in the Base Unit. To provide
operational backup in the event of a power failure with the a fully charged battery
pack in the spare battery charger, you will still be able to place a receive calls
from the handset for up to 5 hours.

The spare battery pack can also be used to replace a drained handset battery,
ensuring uninterrupted use.

NOTE :

When using the GIGAPHONE during Power Backup mode, audio quality may
be compromised due to reduced Power availability.

1. Open the spare battery charger

by pressing the release button,
located on the right-hand side of
the Base Unit. A drawer will
open to reveal the spare battery
compartment.

2. Place a battery pack in the drawer

with the charge contacts facing

1

up and to the left.

3. Push the drawer closed.

The spare battery takes 24 hours to
fully charge a drained battery.

Getting Started

BATTERY

CAUTION:TO

CAUTION:TO

INSTALL
THIS

REDUCE RISK OF FIRE,

REDUCE RISK OF FIRE,

SIDEUP

USE ONLYVTECH

USE ONLYVTECH

80-5017-00-00

80-5017-00-00

3

2

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Charging Of Handset Battery Pack

The Handset of your GIGAPHONE cordless telephone is powered by a
rechargeable battery pack. It charges automatically whenever the Handset is in
the Base Unit.

You should charge the battery pack for 12 hours when you first receive your
phone. You'll know the battery pack needs charging when:

• The low battery message is

Getting Started

displayed :

• The handset seems completely
dead, the LCD is completely
clear and does not activate when
you press the keys.

IMPORTANT:

1. Do not dispose of a battery pack in a fire, the cell may explode.

2. Do not open or mutilate the battery pack. Toxic substances may be released,

causing harm to eyes or skin.

3. Exercise care in handling battery packs in order to prevent an accidental

short of the charge contacts, potentially causing the battery pack to
overheat.

4. Do not dispose of this battery pack into household garbage. Please refer

to the following information concerning proper battery recycling:

10

Wall Mounting

The Wall Mount bracket is designed
for use on standard Wall Mount plates
only.

1

1. Line up the tabs on the wall

mount adapter with the holes on
the bottom of the base unit. Snap
the wall mount bracket firmly in
place.

Getting Started

2. Plug the AC adapter into an

electrical outlet, and the DC
connector to the back of the base
unit. If the handset battery pack
has not been charged previously,
place the handset in the base unit
cradle, and allow it to charge for
12 hours.

3. Connect the telephone line cord

to the jack on the back of the base
unit, and the other end to the
wall jack.

4. Mount the base unit on the wall.

Position the base unit so the
mounting studs will fit into the
holes on the wall mount bracket.
Slide base unit down on the
mounting studs until it locks
into place.

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3

2

Registration and Operation

Registration And Operation Of The VTech VT2420 Accessory
Handset

Your VTech GIGAPHONE system can operate up to 4 Handsets.
The VTECH accessory Handset consists of the following:

Getting Started

3

Handset

Belt Clip

1

Battery Pack

Setup Of The VT2420 Accessory
Handset

Charger Unit

1. Plug the AC power adapter into

an electrical outlet.

2. Remove the Handset battery

cover by pressing on the indent
and sliding downward.

3. Place the new battery pack in the

Handset, with the metal contacts
aligned with the charge contacts
in the battery compartment.

4. Replace the battery cover by

sliding it upward.

5. Place the Handset in the Charge

Cradle, and allow it to charge for
12 hours. After the initial charge,

5

12

a maintenance charge of 8 hours
should be sufficient.

Enter Base ID Code

1. After charging the Handset,

remove it from its Charge Cradle,
the screen will display:

2. Press NEW, then enter the 15

digit Base Unit ID code, located
on the underside of the Base
Unit.

3. Press OK. The Handset will

display: PLEASE WAIT!!

4. Wait approximately 15 seconds.

The Handset will display:

FOUND BASE
NOTE: Occasionally, it will take

longer than 15 seconds for than
Handset to find the Base Unit.
This is normal.

Registration and Operation

Getting Started

If the Handset displays: BASE
BUSY TRY LATER, this

indicates that the system is in
use. Wait until the Base Unit is
in the idle (on hook) mode, and
repeat step 2 to 4.

Congratulations! You can now enjoy
the benefits of your VTECH multi­Handset system.

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