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Add and register a handset

You can add new 

AT440HS 

handsets (purchased

separately) to your 

AT4401 

telephone system. 

Your telephone system supports a maximum of 12 

handsets.
Each handset must be registered with the 

telephone base before use. When first purchased, 

each expansion handset displays 

To register, see 

user manual

.  

 

•  Charge the new handset without interruption for 

at least 30 minutes before registering it to the 

telephone base. 

To register a handset to the telephone base:

•  Place the new handset in the telephone base.

After about 10 seconds, the handset displays 

Registering... Please wait

. When the registration 

process completes, both the handset and the 

telephone base display 

HANDSET X Registered

 

(

HANDSET 

represents the handset name, 

X

 

represents the handset number) and both the 

handset and the telephone base beep. 

-OR-

1.  Press and hold 

PAGE

 on the telephone 

base and it shows 

Registering... Please wait

Release 

PAGE

2.  Quickly press 

QUIET

# on the handset. The 

handset shows 

Registering... Please wait

When the registration process completes, 

both the handset and the telephone base 

display 

HANDSET X Registered

 (

HANDSET 

represents the handset name, 

X

 represents the 

handset number) and both the handset and 

the telephone base beep. 

If registration fails, the system will automatically try 

to register again. If registration fails after the third 

try, 

Registration failed

 appears on both screens. 

The handset shows 

To register, see user manual 

and the telephone base returns to idle mode. This 

may take up to five minutes to occur. Please start 

the registration process again.

 

•  You cannot register a handset if any other system 

handset is in use.

Deregister handsets

If you want to replace a handset or reassign the 

designated handset number of a registered 

handset, you must deregister all the handsets and 

then individually register each handset.

If you want to register a handset to another 

telephone base, you must deregister all handsets, 

and then register each handset individually to the 

desired telephone base.

To deregister all handsets from the telephone 

base:

1.  Press and hold 

PAGE

 on the telephone base 

and it shows 

Registering... Please wait

 for five 

seconds, then it shows 

Deregister all devices?

Release 

PAGE

2.  Quickly press 

PAGE 

again or 

YES

. The 

telephone base shows 

Deregistered all 

devices

 when the registration completes. 

It takes up to 10 seconds to complete the 

deregistration process. Before registering the 

handset again, wait for the cordless handset 

screen to display 

To register, see user manual

.

•  If the deregistration process fails, you may need to 

reset the system and try again. To reset, unplug the 

power from the telephone base and plug it back in.

•  You cannot deregister the handsets if any other 

system handset is in use.

•  Even if the battery is depleted, you can still 

deregister the handsets by following the steps. After 

the handset is charged for at least 10 minutes, the 

screen shows 

To register, see user manual

.

Operating range

This handset and telephone base can communicate 

over only a certain distance - which can vary with 

the locations of the telephone base and handset, 

the weather, and the layout of your home or office. 
When the handset is out of range, the handset 

displays 

Out of range OR Base no power

.

If there is a call while the handset is out of range, 

it may not ring, or if it does ring, the call may not 

connect well when you press 

LINE 1 

or 

LINE 2

.

 

Move closer to the telephone base, and then 

press 

LINE 1 

or 

LINE 2

 to answer the call. If the 

handset moves out of range during a telephone 

conversation, there may be interference. To 

improve reception, move closer to the telephone 

base.

AT4401 base

Do not place 

the handset in 

the charger.

Distributor: 
US Telecom Limited 
info@ustel.com.hk
www.ustel.com.hk

AT4401 base

Battery 

indicators

Battery status

Action

The screen 

is blank, or 

shows 

Place 

in charger

 

and  

  flashes.

The battery 

has no charge 

or very little 

charge. The 

handset cannot 

be used.

Charge without 

interruption (at 

least 30 minutes).

The screen 

shows 

Low 

battery

 and   

flashes. 

The battery has 

enough charge 

to be used for a 

short time.

Charge without 

interruption (at 

least 30 minutes).

The screen 

shows  

HANDSET X

.

The battery is 

charged.

To keep the 

battery charged, 

place it in the 

charger when 

not in use.

Before use

ECO mode

This power conserving technology reduces 

power consumption for optimal battery 

performance. The ECO mode activates 

automatically whenever the handset is 

synchronized with the telephone base.

General product care

Taking care of your telephone

Your cordless telephone contains sophisticated 

electronic parts, so it must be treated with care.

Avoid rough treatment

Place the handset down gently. Save the original 

packing materials to protect your telephone if you 

ever need to ship it.

Avoid water

Your telephone can be damaged if it gets wet. 

Do not use the handset outdoors in the rain, 

or handle it with wet hands. Do not install the 

telephone base near a sink, bathtub or shower.

Electrical storms

Electrical storms can sometimes cause power surges 

harmful to electronic equipment. For your own 

safety, take caution when using electrical appliances 

during storms.

Cleaning your telephone

Your telephone has a durable plastic casing that 

should retain its luster for many years. Clean it 

only with a dry non-abrasive cloth. Do not use 

dampened cloth or cleaning solvents of any kind.

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 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 or aerosol 

cleaners. Use a damp cloth for cleaning.

4.  Do not use this product near water such as 

near a bath tub, wash bowl, kitchen sink, 

laundry tub or a swimming pool, or in a wet 

basement or shower.

5.  Do not place this product on an unstable 

table, shelf, stand or other unstable surfaces.

6.  Avoid placing the telephone system in places 

with extreme temperature, direct sunlight, or 

other electrical devices. Protect your phone 

from moisture, dust, corrosive liquids and 

fumes.

7.  Slots and openings in the back or bottom 

of the telephone base and handset are 

provided for ventilation. To protect them 

from overheating, these openings must not 

be blocked by placing the product on a 

soft surface such as a bed, sofa or rug. This 

product should never be placed near or 

over a radiator or heat register. This product 

should not be placed in any area where 

proper ventilation is not provided.

8.  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 in your home or office, 

consult your dealer or local power company.

9.  Do not allow anything to rest on the power 

cord. Do not install this product where the 

cord may be walked on.

10.  Never push objects of any kind into this 

product through the slots in the telephone 

base or handset because they may touch 

dangerous voltage points or create a short 

circuit. Never spill liquid of any kind on the 

product.

11.  To reduce the risk of electric shock, do not 

disassemble this product, but take it to 

an authorized service facility. Opening or 

removing parts of the telephone base or 

handset other than specified access doors 

may expose you to dangerous voltages 

or other risks. Incorrect reassembling can 

cause electric shock when the product is 

subsequently used.

12.  Do not overload wall outlets and extension 

cords.

13.  Unplug this product from the wall outlet and 

refer servicing to an authorized service facility 

under the following conditions:

•  When the power supply cord or plug is 

damaged or frayed.

•  If liquid has been spilled onto the product.
•  If the product has been exposed to rain or 

water.

•  If the product does not operate normally 

by following the operating instructions. 

Adjust only those controls that are covered 

by the operation instructions. Improper 

adjustment of other controls may result in 

damage and often requires extensive work 

by an authorized technician to restore the 

product to normal operation.

•  If the product has been dropped and the 

telephone base and/or handset has been 

damaged.

•  If the product exhibits a distinct change in 

performance.

14.  Avoid using a telephone (other than cordless) 

during an electrical storm. There is a remote 

risk of electric shock from lightning.

15.  Do not use the telephone to report a gas 

leak in the vicinity of the leak. Under certain 

circumstances, a spark may be created when 

the adapter is plugged into the power 

outlet, or when the handset is replaced in 

its cradle. This is a common event associated 

with the closing of any electrical circuit. The 

user should not plug the phone into a power 

outlet, and should not put a charged handset 

into the cradle, if the phone is located in 

an environment containing concentrations 

of flammable or flame-supporting gases, 

unless there is adequate ventilation. A spark 

in such an environment could create a fire or 

explosion. Such environments might include: 

medical use of oxygen without adequate 

ventilation; industrial gases (cleaning 

solvents; gasoline vapors; etc.); a leak of 

natural gas; etc.

16.  Only put the handset of your telephone next 

to your ear when it is in normal talk mode.

17.  The power adapter is intended to be 

correctly oriented in a vertical or floor mount 

position. The prongs are not designed to 

hold the plug in place if it is plugged into a 

ceiling, under-the-table or cabinet outlet.

18.  For pluggable equipment, the socket-outlet 

shall be installed near the equipment and 

shall be easily accessible.

19. 

CAUTION:

 Use only the batteries indicated in 

this manual. There may be a risk of explosion 

if a wrong type of battery is used for the 

handset. Use only the supplied rechargeable 

batteries or replacement batteries for the 

handset. Do not dispose of batteries in a fire. 

They may explode.

20.  Use only the adapter included with this 

product. Incorrect adapter polarity or 

voltage can seriously damage the product. 

Base unit power adapter:  

Output: 6V DC @ 600mA. 

Charger unit power adapter:  

Output: 6V DC @ 450mA.

SAVE THESE INSTRUCTIONS

Battery

•  Use only the battery provided or equivalent.
•  Do not dispose of the battery in a fire. Check 

with local waste management codes for 

special disposal instructions.

•  Do not open or mutilate the battery. Released 

electrolyte is corrosive and may cause burns 

or injury to the eyes or skin. The electrolyte 

may be toxic if swallowed.Exercise care in 

handling batteries in order not to create a 

short circuit with conductive materials.

•  Charge the battery provided with this product 

only in accordance with the instructions and 

limitations specified in this manual.

Precautions for users of implanted cardiac 

pacemakers

Cardiac pacemakers (applies only to digital 

cordless telephones):
Wireless Technology Research, LLC (WTR), 

an independent research entity, led a 

multidisciplinary evaluation of the interference 

between portable wireless telephones and 

implanted cardiac pacemakers. Supported by 

the U.S. Food and Drug Administration, WTR 

recommends to physicians that:

Pacemaker patients

•  Should keep wireless telephones at least six 

inches from the pacemaker.

•  Should NOT place wireless telephones 

directly over the pacemaker, such as in a 

breast pocket, when it is turned ON.

•  Should use the wireless telephone at the ear 

opposite the pacemaker.

WTR’s evaluation did not identify any risk to 

bystanders with pacemakers from other persons 

using wireless telephones.

Summary of Contents for AT440HS

Page 1: ...AT440HS Accessory handset for use with Uniden models AT4401 User s manual ...

Page 2: ...n how to set up and register your new handset For instructions on using the handset see the Abridged user s manual that came with your telephone base 1 User s manual Parts checklist Your telephone package contains the following items Save your sales receipt and original packaging in the event warranty service is necessary Charger overview 1 Charging pole ...

Page 3: ...g up a call While in a menu press to cancel an operation back up to the previous menu or exit the menu display When the handset is ringing press to mute the ringer temporarily Press and hold to erase the missed call indicator while the phone is not in use 5 Press to show phonebook entries when the telephone is not in use Press to increase the listening volume when on a call or increase the message...

Page 4: ...eatedly to re arrange the order of the name Press and hold to enter the quiet mode setting screen or to deactivate quiet mode 8 OPER Press and hold to add a space when entering names 9 CALL BLOCK Press to block the incoming call when the telephone is ringing or during the call When the handset is not in use press to show the Smart call blocker menu 10 During a call press to mute the microphone Whe...

Page 5: ...and hold to begin a one to group broadcast when the handset is not in use Press to put a call on hold 14 TONE Press to switch to tone dialing temporarily during a call if you have pulse service While entering names press to change the next letter to upper or lower case 15 Press and hold to set or dial your voicemail number Press repeatedly to add or remove 1 in front of the caller ID log entry bef...

Page 6: ...ider 1 1 2 There are new voicemail received on line 1 and line 2 from your telephone service provider 1 There are new answering system message s on line 1 Flashes when you have accessed the answering system menu of line 1 2 There are new answering system message s on line 2 Flashes when you have accessed the answering system menu of line 2 1 2 There are new answering system message s on line 1 and...

Page 7: ...S SIDE UP Install the battery Install the battery as shown below Use only the battery provided If the handset will not be used for a long time disconnect and remove the battery to prevent possible leakage ...

Page 8: ...ons and limitations specified in this manual Connect the charger Charge the battery Place the handset in the charger to charge 2 1 Once you have installed the battery the handset LCD display indicates the battery status see the following table For best performance keep the handset in the telephone base or charger when not in use The battery is fully charged after 12 hours of continuous charging ...

Page 9: ...register a handset to the telephone base Place the new handset in the telephone base AT4401 base Do not place the handset in the charger Battery indicators Battery status Action The screen is blank or shows Place in charger and flashes The battery has no charge or very little charge The handset cannot be used Charge without interruption at least 30 minutes The screen shows Low battery and flashes ...

Page 10: ...t number and both the handset and the telephone base beep If registration fails the system will automatically try to register again If registration fails after the third try Registration failed appears on both screens The handset shows To register see user manual and the telephone base returns to idle mode This may take up to five minutes to occur Please start the registration process again You ca...

Page 11: ...r system handset is in use Even if the battery is depleted you can still deregister the handsets by following the steps After the handset is charged for at least 10 minutes the screen shows To register see user manual Operating range This handset and telephone base can communicate over only a certain distance which can vary with the locations of the telephone base and handset the weather and the l...

Page 12: ...rotect your telephone if you ever need to ship it Avoid water Your telephone can be damaged if it gets wet Do not use the handset outdoors in the rain or handle it with wet hands Do not install the telephone base near a sink bathtub or shower Electrical storms Electrical storms can sometimes cause power surges harmful to electronic equipment For your own safety take caution when using electrical a...

Page 13: ...ther than cordless during an electrical storm There is a remote risk of electric shock from lightning 15 Do not use the telephone to report a gas leak in the vicinity of the leak Under certain circumstances a spark may be created when the adapter is plugged into the power outlet or when the handset is replaced in its cradle This is a common event associated with the closing of any electrical circu...

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