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DIGITAL CORDLESS TELEPHONE

ADT1047 (Single Handset)

ADT2047 (Twin Handset)

USER'S GUIDE

Table of contents

1. IMPORTANT SAFETY INSTRUCTIONS ............................... 3

2. INSTALLING YOUR PHONE CONNECTING THE BASE 

STATION ................................................................................ 4

2.1 CONNECTING THE BASE STATION.......................................... 4
2.2 INSTALLING AND CHARGING THE BATTERIES ...................... 4
2.3 HANDSET OVERVIEW................................................................ 5
2.4 BASE  STATION OVERVIEW ..................................................... 6
2.5 DISPLAY ICONS AND SYMBOLS............................................... 7
2.6 TEXT EDITING ............................................................................ 8

3. USING YOUR PHONE ........................................................... 8

3.1 MAKE A CALL.............................................................................. 8

3.1.1 PREPARATORY DIALING ............................................... 8
3.1.2 DIRECT DIALING............................................................. 8
3.1.3 CALL FROM THE PHONEBOOK..................................... 8
3.1.4 CALL FROM THE CALL LIST .......................................... 8
3.1.5 CALL FROM THE REDIAL LIST ...................................... 8
3.1.6 CALL TIMER .................................................................... 8

3.2 ANSWER A CALL ........................................................................ 9
3.3 END A CALL ................................................................................ 9
3.4 ADJUST EARPIECE VOLUME.................................................... 9
3.5 MUTE A CALL.............................................................................. 9
3.6 SET THE SILENT MODE............................................................. 9
3.7 TURN ON THE KEYPAD LOCK .................................................. 9
3.8 REDIAL THE LAST NUMBER ..................................................... 9

3.8.1 REDIAL A NUMBER FROM THE REDIAL LIST ............ 10
3.8.2 STORE A REDIAL NUMBER INTO THE 

PHONEBOOK ................................................................ 10

3.8.3 DELETE A REDIAL NUMBER........................................ 10
3.8.4 DELETE THE ENTIRE REDIAL LIST............................. 10

3.9 FIND THE HANDSET ................................................................ 10
3.10 MAKE AN INTERNAL CALL ...................................................... 11

3.10.1 INTERCOM ANOTHER HANDSET................................ 11
3.10.2 CALL ALL HANDSETS................................................... 11
3.10.3 TRANSFER AN EXTERNAL CALL TO ANOTHER 

HANDSET ...................................................................... 11

3.10.4 MAKE A 3-WAY CONFERENCE CALL ......................... 11

4. PRIVATE PHONEBOOK...................................................... 12

4.1 ADD A NEW PHONEBOOK ENTRY ......................................... 12
4.2 SEARCH A PHONEBOOK ENTRY ........................................... 12
4.3 VIEW A PHONEBOOK ENTRY ................................................. 12
4.4 EDIT A PHONEBOOK ENTRY .................................................. 12
4.5 DELETE A PHONEBOOK ENTRY ............................................ 13
4.6 DELETE THE ENTIRE PRIVATE PHONEBOOK ...................... 13

5. CALLER DISPLAY (NETWORK DEPENDENT) ................. 13

5.1 VIEW THE CALL LIST ............................................................... 13
5.2 STORE A CALL LIST NUMBER INTO THE PHONEBOOK ...... 14
5.3 DELETE AN ENTRY IN THE CALL LIST................................... 14
5.4 DELETE THE ENTIRE LIST OF THE CALL LIST ..................... 14
5.5 VIEW THE DETAILS OF THE CALL LIST ENTRY.................... 14

6. VOICE MAIL (NETWORK DEPENDENT)............................ 15

6.1 ACCESS VOICE MAIL MESSAGES.......................................... 15
6.2 DELETE VMWI ENTRIES.......................................................... 15

7. PHONE SETTINGS .............................................................. 16

7.1 DATE AND TIME SETTINGS .................................................... 16

7.1.1 CHANGE THE DATE FORMAT ..................................... 16
7.1.2 CHANGE THE TIME FORMAT ...................................... 16
7.1.3 SET THE TIME............................................................... 16
7.1.4 SET THE DATE.............................................................. 16

7.2 ALARM SETTINGS.................................................................... 17

7.2.1 TURN ON/OFF THE ALARM ......................................... 17
7.2.2 SET THE ALARM TIME (IF THE ALARM IS SET 

TO BE ON) ..................................................................... 17

7.3 HANDSET SETTINGS ............................................................... 17

7.3.1 SET THE RINGER MELODY FOR INTERNAL CALLS ...17
7.3.2 SET THE RINGER VOLUME ......................................... 17
7.3.3 SET ALERT TONES....................................................... 18
7.3.4 SET THE HANDSET LANGUAGE ................................. 18
7.3.5 RENAME THE HANDSE ................................................ 18
7.3.6 CHOOSE THE INFORMATION TO BE DISPLAYED 

IN IDLE ........................................................................... 18

7.3.7 SET THE AUTO ANSWER............................................. 18

7.4 BASE SETTINGS....................................................................... 19

7.4.1 DE-REGISTER A HANDSET ......................................... 19
7.4.2 CHANGE THE DIAL MODE ........................................... 19
7.4.3 CHANGE THE FLASH TIME.......................................... 19
7.4.4 CHANGE THE SYSTEM PIN CODE.............................. 19

7.5 REGISTRATION ........................................................................ 20
7.6 RESET YOUR PHONE .............................................................. 20

8. TROUBLESHOOTING ......................................................... 21

9. CONFORMITY...................................................................... 22

1.

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, 
including the following:
1.

Read and understand all the 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, swimming pool).

5.

Do not overload wall outlets and extension cords as this can result in 
the risk of fire or electric shock.

6.

Unplug this product from the wall outlet and refer servicing to Vtech 
under the following conditions:
• When the power supply cord or plug is damaged or frayed.
• If the product does not operate normally by following the operating 

instructions. 

• If the product has been dropped and the cabinet has been damaged.
• If the product exhibits a distinct change in performance.

7.

Avoid using a telephone (other than a cordless type) during an 
electrical storm. There may be a remote risk of electric shock from 
lightning.

8.

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

9.

Use only the supplied NiMH (Nickel Metal Hydride) batteries! The 
operation periods for the handsets are only applicable with the default 
battery capacities. 

10. The use of other battery types or non-rechargeable batteries/primary 

cells can be dangerous. These may cause interference and/or unit 
damages. The manufacturer will not be held liable for damage arising 
from such non-compliance.

11. Do not use third party charging bays. The batteries may be damaged.
12. Please note the correct polarity while inserting the batteries.
13. Do not immerse batteries in water, do not place in fire.

Package contents

The package contains the following items:

ADT1047 (Single Handset)

ADT2047 (Twin Handset)

1 Handset

2 Handsets

1 Base station

1 Base station

1 AC power adapter

1 Charge cradle

1 Telephone line cord

2 AC power adapters

2 x AAA rechargeable batteries

1 Telephone line cord    

1 User manual

4 x AAA rechargeable batteries

1 User manual  

2.

INSTALLING YOUR PHONE 

CONNECTING THE BASE STATION

2.1

Connecting the base station 

1.

Plug the power supply 

 & line cord 

 into the base station.

2.

Plug the power supply & line cord into the wall socket.

3.

Always use the cables provided in the box.

2.2

Installing and charging the batteries

1.

Slide open the battery compartment cover.

2.

Place the supplied batteries as indicated. Observe polarity.

3.

Slide the battery compartment cover back.

4.

Put the handset on the base or charge cradle (for ADT2047 only) and 
charge for 18 hours first time. 
A beep indicates that the handset is properly placed on the base or 
charger.

Use only the AC adaptors provided for the base station and charge cradle 
(for ADT2047 only).

Use only Ni-MH rechargeable batteries supplied or equivalent type. 

CAUTION: Do not use Alkaline or Non-rechargeable batteries as this may 
damage the Handset and void the warranty.

2.3

Handset Overview

1. EARPIECE

2. UP 

+

In idle mode: Press to access the 
call list.
In menu mode: Press to scroll up 
the menu items.
In Phonebook list / Redial list / Call 
List: Press to scroll up the list.
During a call: Press to increase the 
hearing volume.
In ringing: Press to increase the 
ringer volume.

3. RIGHT SOFT KEY 

C

In main menu mode: Press to go 
back to idle screen.
In sub-menu mode: Press to go 
back to previous level.
In sub-menu mode: Press and hold 
to go back to idle screen.
In editing / predialing mode: Press 
to clear a character / digit.
In editing / predialing mode: Press 
and hold to delete all the characters / 
digits.
During a call: Press to mute / unmute the microphone.
In idle mode: Press to intercom another handset.

4. TALK OFF 

)

During a call: Press to end a call and go back to idle screen.
In menu / editing mode: Press to go back to previous menu.
In menu / editing mode: Press and hold to go back to idle screen.
In idle mode: Press and hold to power off the handset.
In idle mode (when the handset is powered off): Press and hold to 
power on the handset.

5. DOWN 

-

In idle mode: Press to access the redial list.
In menu mode: Press to scroll down the menu items.
In Phonebook list / Redial list / Call List: Press to scroll down the list.
During a call: Press to decrease the hearing volume.
In ringing: Press to decrease the ringer volume.

6. ALPHANUMERIC KEYPAD, * (STAR), # (HASH)

Press to insert a digit / character / * / #
* key in idle mode: Press and hold to enable or disable the keypad lock.
* key during a call (in Pulse mode): Press to switch to tone mode.
# key in Idle mode: Press and hold to turn on / off the ringer.
0 key in idle / predialing / number editing mode: Press and hold to insert 
a pause.
# key in Call List mode: Press to review caller's number if applicable.

7. PHONEBOOK

In idle mode: Press 

B

 to access the phonebook list.

8. FLASH (R key)

In idle / predialing mode: Press 

F

 to insert a flash to get a fresh dial 

tone.
During a call: Press to access a Call Waiting Line when you hear the 
call waiting prompt signal. Press again to toggle between the two calls.

9. MICROPHONE

10. REDIAL LIST

In Idle mode: Press 

R

 to access the redial list.

11. TALK ON

In idle / predialing mode : Press to make a call.
In Redial list / Call List / Phonebook entry: Press to make a call to the 
selected entry in the list.
During ringing: Press to answer a call.

12. LEFT SOFT KEY 

O

In idle mode: Press to access the main menu.
In sub-menu mode: Press to confirm the selection.
During a call: Press to access Intercom / Phonebook / Redial List / Call 
List.

2.4

Base Station Overview

1. PAGE 

Press 

P

 on the base station to page your handset. It will ring for 

approximately 60 seconds.

2. CHARGING DOCK

Place the handset for charging.

BASE UNIT

CHARGE CRADLE 

(For ADT2047 only)

2.5

Display Icons and Symbols 

The LCD display gives you information on the current status of the telephone.

Scroll up / down the menu items / Phonebook list / Redial list / Call 
List.
Steady when the handset is in range of the base. Flash when out 
of range of the base or not registered to the base.
Steady when an intercom is in progress.
Flash when there is an incoming internal call.

Indicate a call is in progress.

Indicate that the ringer is switched off.

Steady when an alarm is set. Flash when the alarm time set 
before reaches.

Indicate that the keypad is locked.

Indicate when there are received new Visual Message Waiting 
(VMWI) not yet read. Will disappear when all the visual messages 
have been read. 

This function must have support from the 

telephone service provider.

Indicate when the battery is fully charged.
Whole icon flashes when the battery performs initial charging. 
Internal block icon flashes when the battery is in final charging 
stage.
Indicate when the battery needs charging.
Flash when low battery power level is detected.
Indicate when more characters are existed before the text 
currently displayed.
Indicate when more characters are existed after the text currently 
displayed.

Press to select more menu options if applicable.

Press to confirm the current selection if applicable.

Indicate new call in call list. 

Press to conduct Intercom call when idle 

(when using with more 

than one Handset)

.

(MENU)

(INT)

2.6

Text Editing

In editing mode, a cursor is displayed to indicate the current text entry 
position. It is positioned at the right of the last character entered.

Writing Tips:

Once a character is selected, the cursor will move to the next position after 
a short pause. 
1.

You can move the cursor within the text by 

+

/

-

 to amend the text entry. 

2.

Press 

C

 to delete the last character. 

3.

Press and hold 

C

 to delete the entire text string.

3.

USING YOUR PHONE

3.1

Make a Call

3.1.1

Preparatory Dialing

Enter the phone number and press 

(

 to dial the number. Press 

C

 to 

clear the entry.

3.1.2

Direct Dialing

Press 

(

 to take the line and enter the phone number.

3.1.3

Call from the phonebook

Press 

B

 to access the phonebook and press 

+

/

-

 to select the desired 

phonebook entry. Press 

(

 to dial out to the selected phonebook entry. 

Alternatively, press 

O

 to access the phonebook to get the desired 

phonebook entry.

3.1.4

Call from the Call List

Press 

+

 to access the Call List and press 

+

/

-

 to select the desired Call 

List entry. Press 

(

 to dial out to the selected Call List entry. Alternatively, 

press 

O

 to access the Call List from the main menu.

3.1.5

Call from the redial list

Press 

R

 to access the redial list and press 

+

/

-

 to select the desired 

redial number. Press 

O

 to dial out to the selected redial number.

3.1.6

Call timer

Your handset automatically times the duration of every call. The call timer 
will display a few seconds after the call has made. 

Press to go back to previous menu level or cancel the current 
action if applicable.
Press to clear a character or stop the alarm if applicable, press to 
mute / unmute during a call.

(BACK)

3.2

Answer a Call

If the handset is not on the charging cradle:
When the phone rings, press 

(

 to answer a call.

If the handset is on the charging cradle or the base station and if AUTO 
ANSWER is set to ON:
When the phone rings, pick up the handset to answer a call.

3.3

End a Call

During a call connection, press 

)

 to end the call.

OR
Put the handset on the base station to end the call.

3.4

Adjust Earpiece Volume

There are 5 levels (VOLUME 1 to VOLUME 5) to choose from for each of 
earpiece volume.

During a call:
Press 

+

/

-

 to select volume 1-5. The current setting is shown. When you 

end the call, the setting will remain at the last selected level.

3.5

Mute a Call

You can talk to someone nearby without letting the caller hear you during a 
call.

During a call:
Press 

C

 to mute the microphone and "MUTED" will display on the LCD. 

Your caller cannot hear you. Press 

C

 again to unmute the microphone.

3.6

Set the Silent Mode

In idle mode, press and hold 

#

 to turn off the handset ringer. The 

 

icon is displayed on the LCD.

In silent mode, press and hold 

#

 to turn on the handset ringer. The 

 

icon will disappear.

3.7

Turn on the Keypad Lock

In idle mode, press and hold 

*

 to turn on the keypad lock. The 

 icon 

is displayed on the LCD.

In keypad lock mode, press and hold 

*

 to turn off the keypad lock. The 

 icon will disappear.

3.8

Redial the last number

You can redial up to 5

1

 of the last numbers called. If you have stored a 

name in the phonebook to go with the number, the name will be displayed 
instead. The most recent last number will display at the top of the redial list.

1

 EEPROM size dependent

3.8.1

Redial a Number from the Redial List

1.

In idle mode, press 

R

 to access the redial list.

Remarks: 
If redial entry with name, press 

#

 to view the number.

2.

Press 

+

/

-

 to browse the redial list.

3.

Press 

(

 to dial to the selected redial number.

Note: 
If there are no numbers in the redial list, the display shows "EMPTY".

3.8.2

Store a Redial Number into the Phonebook

1.

Follow Steps 1 and 2 in section 3.8.1.

2.

Press 

O

 and 

+

/

-

 to select ADD TO PB.

3.

Press 

O

 to enter the name.

4.

Press 

O

 to store the redial number into the phonebook.

5.

Press 

O

 to select phonebook melody.

6.

Press 

+

/

-

 to browse the melody list. The respective melody will be 

played when browsing the melody list.

7.

Press 

O

 to confirm.

3.8.3

Delete a Redial Number

1.

Follow Steps 1 and 2 in section 3.8.1.

2.

Press 

O

 and 

+

/

-

 to select DELETE.

3.

Press 

O

 to confirm.

3.8.4

Delete the Entire Redial List

1.

Follow Steps 1 and 2 in section 3.8.1.

2.

Press 

O

 and 

+

/

-

 to select DELETE ALL.

3.

Press 

O

 to confirm.

4.

Press 

O

 to confirm again.

3.9

Find the Handset

You can locate the handset by pressing 

P

 on the base station. All the 

handsets registered to the base will produce the paging tone and 
"PAGING" is displayed on the LCD. You can stop the paging by pressing 

(

/

)

/

C

/on any handset or 

P

 on the base again.

Note: 
If there is an incoming call during paging, the phone will ring with the 
incoming call instead of paging.

3.10

Make an Internal Call

This feature is only applicable when there are at least two registered 
handsets. It allows you to make internal calls, transfer external calls from 
one handset to another handset and make conference calls. If the called 
handset is not answered within 60 seconds, the called handset will stop 
ringing and the calling handset will return to external call.

Note: 
If only one handset is registered to the base station, press 

C

 will display 

"NOT POSSIBLE"

3.10.1 Intercom Another Handset

1.

In idle mode, press 

C

 and the registered handsets will display except 

the calling handset.

2.

Enter the desired handset number to intercom with.

3.

The called handset rings and press 

(

 on the called handset to 

establish the internal call.

Note: 
If two handsets are registered to the base station, press 

C

 will connect to 

another handset immediately.

3.10.2 Call All Handsets

1.

In idle mode, press 

C

 and the registered handsets will display.

2.

Press 

9

 to ring to all registered handsets.

3.10.3 Transfer an External Call to another handset

During an external call:
1.

Press 

O

 and 

+

/

-

 to select INTERCOM.

2.

Press 

O

 to select the desired handset to intercom with. 

3.

The external call is put on hold automatically and the called handset 
rings.

4.

Press 

(

 on the called handset to establish an internal call.

5.

Press 

)

 on the calling handset or put the calling handset on the 

charging cradle to end the current call with the external party.

6.

The external call is transferred to the called handset.

3.10.4 Make a 3-way Conference Call

The conference call feature allows one external call to be shared with two 
handsets (in intercom). The three parties can share the conversation and 
no network subscription is required.

During an external call:
1.

Follow Steps 1 to 4 in section 3.10.3.

2.

Press and hold 

*

 on the calling handset to establish the conference 

call.

Any handset hangs up during a conference call will leave the other handset 
still in connection with the external call.

3

6

9

1

4

7

10

2

5

8

11

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