43-104 3.fm Page 1 Tuesday, August 17, 1999 10:36 AM
Cat. No. 43-1043
OWNER’S MANUAL
Please read before using this equipment.
ET-543
LCD Display 25-Channel
Cordless Telephone
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FEATURES
Your RadioShack ET-543 LCD Display
25-Channel Cordless Telephone offers the latest advances in cordless
phone technology, and includes these
features:
LCD Displa
— lets you see phone
numbers as you dial them or recall
them from the ET-543’s memory.
Auto Scan
— automatically selects
the clearest channel when you pick up
the phone.
25-Channel Selector
— lets you manually change channels to find one with
the least interference.
Advanced Super CCT Circuitr
—
provides clarity comparable to a corded phone, reduces background noise,
and increases effective operating distance.
®
COM-LOK
— ensures that other
cordless phone users cannot u se your
phone line while the handset is on the
base.
— sends an electronic switch-
Flash
hook signal for use with special phone
services such as call waiting.
Handset Volume Control
— lets you
control the volume of the sound you
hear through the handset.
Li
hted Keypad
— lights to make the
phone easy to use when you are making or answering a call in a dark room.
Redial
— quickly redials the last num-
ber dialed with the touch of a button.
Touch To ne or Pulse (Rota r
— lets you connect y our phone to
in
) Dial-
either type of service.
30-Number Memor
Dialin
— lets
you store 30 phone numbers in memory for easy dialing.
Please read this Owner’s Manual carefully so you ca n enjoy all of your telephone’s features.
Automatic Securit
Access Code
—
changes each time you disconnect and
restore power to the base to help prevent other cordless phone users f rom
using your phone line whil e the handset is off the base.
COM-LOK is a registered trademark used by Tandy Corporation.
RadioShack is a trademark used by Tandy Corporation.
All Rights Reserv ed .
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CAUTION
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Important: Cordless phones such as
this one require AC power to operate.
When the AC power is off, you cannot
dial out or receive incoming calls using
your ET-543. For this reason, the E T543 cordless phone should not be your
only telephone. To be safe, you should
also have a phone that does not require
AC power to operate (not a cordless
phone) so you can still make and receive
calls if there is an AC power failure.
This telephone has been tested and
found to comply with all applicable UL
and FCC standards.
Your ET-543 operates on standard radio frequencies, as allocated by the
FCC. Therefore, it is possible for other
radio units operating on similar frequencies, within a certain area, to inadvertently intercept your conversations and/or cause interference on
your cordless telephone. This lack of
privacy can occur with any cordless
telephone.
Warning: To prevent f ire or shoc k
hazard, do not expose this product
to rain or moisture.
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BA CK. NO USER-S ERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
This symbol is intended to aler t you
to the p r es en c e o f un in su lated d an gerous voltage within the product’s
enclosure that might be of suf ficient
magnitude to constitute a risk of
electric shock. Do not open the
product’s case.
This symbol is intended to inform
you that important operating and
!
maintenance instructions are included in the literature accompanying this product.
!
For your records, we urge you to
record the serial number of your phone
in the space below. The serial number
is located on the bo ttom panel of the
base.
Serial Number ______________
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READ THIS BEFORE
INSTALLATION
We have designed your te lephone to
conform to federal regulations, and
you can connect it to mos t telephone
lines. However, each device that you
connect to the phone line draws power
from the phone line. We refer to this
power draw as the device’s ringer
equivalence number, or REN. The
REN is shown on the bottom of your
phone’s base.
If you are using more than one phone
or other device on t he line, add up all
the RENs. If the total is more than five,
your phone might not ring. In rural areas, a total REN of three might im pair
ringer operation. If ringer operation is
impaired, remove a device from the
line.
FCC STATEM ENT
This telephone complies with Part 68
FCC Rules
of
quest, provide the FCC registration
number and the REN to your phone
company. These num bers are located
on the bottom of your phone’s base.
Note:
phone to any of the following:
You must not connect your
• Coin-operated systems
• Party-line systems
• Most electronic key phone systems
. You must, upon re-
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INSTALLATION
SELECTING A LOCATION
Select a location for the telephone that
meets these requirements:
• Near an AC outlet
• Near a telephone line jack
• Out of the way of normal activities
• Away from electrical machinery,
electrical appliances, and metal
walls or filing cabinets
• Away from wireless intercoms,
alarms, and room monitors
The base’s location affects the phone’s
range. If you have a choi ce of several
locations, try each one to see which
provides the best performance.
If the phone l ine jack i s not a modular
jack, you must update the wiring yourself, using jacks and adapters available at your local RadioShack store.
Or, you can let the phone company update the wiring for you.
INSTALLING THE PHONE
Follow these steps to install the base
on a desk, shelf, or table.
1. Plug one end of the supplied modular cord into the phone jack on
the back of the base.
2. Plug the modular cord’s other end
into a modular phone line jack.
3. Insert the supplied AC adapter’s
barrel plug into the
the back of the base.
4. Plug the adapter into a standard
AC outlet.
DC 12V
jack on
Notes:
• The phone company will charge
you for the installation of the necessary jacks.
• The USOC number of the jack to
be installed is RJ11C.
6
For the best reception, fully extend the
base’s antenna and place it in a vertical position.
Caution:
12V DC adapter that delivers at least
200 milliamps. Its center tip must be
positive, and its plug must correctly fit
the phone’s
adapter meets these requirements.
Using an adapter that does not meet
these requirements cou ld damage t he
phone or the adapter.
You must use a 120V AC/
DC 12V jack
. The supplied
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PREPARATION
CONNECTING THE
BATTERY
Before you use your phone for the first
time, you must connect and charge the
battery.
Slide off the battery compartment cover on the back of the handset. Connect
the battery’s plug to the pins inside the
compartment.
Replace the cover, then follow the instructions under “Charging the Battery.”
CHARGING THE
BATTERY
Before you charge the battery, set
POWER
set on the cradle so the CHARGE/
TALK indicator lights and let the battery charge for about 15 hours.
When on the handset lights, recharge the battery . To avoid damage
to the battery, always recharge the
handset before battery power grows
too weak to light .
to
OFF
. Then place the hand-
Notes:
• You can set
the battery charges.
• If the CHARGE/TALK indicator
does not light when you place the
handset on the cradle, be sure the
battery is connected to the pins
inside the battery compartment
and the AC adapter is securely
connected to the base. Also,
check the charging contacts on
POWER
to ON while
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the handset and base. I f the contacts are dirty or t arnished, gently
clean them with a pencil eraser.
• About once a month, fully discharge the battery by keeping the
handset off the cradle until
flashes, then return the
handset to the cradle and fully
recharge the battery. If you do not
fully discharge and recharge the
battery periodically, it loses its
ability to fully recharge.
• The first time you use your phone
after charging a new battery, the
handset might not work and might
sound an error tone when you
TALK
press
. This might also occ ur
when you recharge a battery that
has been completely discharged.
If this happens, be sure the han dset is turned on, then return the
handset to the cradle for 5 seconds. This resets the security
access code.
SETTING THE DIALING
MODE
TONE/PULSE
Set
base for the type of service you have.
If you are not sure which type you
have, do this test.
1. Set
TONE/PULSE
2. Lift the handset and listen for a
dial tone.
3. Press any number other than
If the dial tone stops, you have
touch-tone service. Leave
PULSE
If the dial tone continues, you
have pulse service. Set
PULSE
on the back of the
to
TONE
set to
PULSE
to
.
.
TONE
.
0
.
TONE/
TONE/
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OPERATION
Your ET-543’s LCD display shows
telephone numbers as you dial them or
when you recall them from mem ory. It
shows the current channel number and
lets you know when battery power is
growing weak or the phone is out of
range of the base. The display also
shows indicators when you press
FLASH/DEL
or
P AUSE
.
MAKING/ANSWERING
A CALL
You can use your cordless telephone
in two ways: at t he base or aw ay f rom
the base.
Using the Handset
at the Base
You can use the handset at the base
like a regular corded telephone. Just
POWER
set
set in the cradle.
to ON and place the hand-
To make a call, lift the handset from
the base and pres s
pad and the CHARG E/TALK indicator
on the base light.
CH
Note:
channel number appear on the display.
This number might chan ge when you
return the handset to the base.
To disconnect a call, replace the handset on the base.
and the currently used
TA LK
so the key-
Using the Handset
Away from the Base
To make or answer a call, set
to ON and press
and CHARGE/TALK indicator light.
TALK
POWER
. The keypad
To answer a call, just lift the handset
from the base.
To disconnect a call, press
the keypad light and the CHARGE/
TALK
indicator turn off.
Notes:
CH
and the currently used channel
•
number appear on the display.
• To conserve battery power, you
can turn off the handset’s power
when you are not making or
answering a call.
TA LK
so
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• You ca n m ake or answer a c all on
a phone on the same line as the
cordless phone, even if the han dset is away from the base.
RANGE
•
tance from the handset to the
base is out of the phone’s range.
• The keypad lights on the handset
turn off if no b utton is pressed for
more than 13 seconds.
appears when the dis-
REDUCING
INTERFERENCE
To reduce interference, press CH to
switch to the next channel (25 channels in all) until you receive the best reception.
appear on the display.
CH
and the channel number
The redial memory holds u p to 80 d igits in the tone or pulse mode. The redial memory also holds pause entries
(see “Entering a Pause” under “Memory Dialing”).
Note:
We recommend you not use
DIAL
to dial numbers that include a
tone (*) entry (see “Using Tone Services on a Pulse Line”).
RE-
USING REDIAL
To quickly redial the last num ber you
dialed, simply lift the handset from the
base and press
CHARGE/TALK indicator lights, and
then press
ber appears on the display.
10
REDIAL
TALK
again so the
. The redialed num-
USING FLASH/DEL
FLASH/DEL
Use
form the switchhook operation for special services, such as call waiti ng.
For example, if you hav e call waiting,
FLASH/DEL
press
call without disconnecting the current
FLASH
call.
DEL
again to return to the first call.
on the handset to per-
to take an incoming
appears. Press
FLASH/
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Notes:
• If you do not have special phone
services, pressing
FLASH/DEL
might disconnect the current call.
• The redial memory does not store
FLASH/DEL
a
entered after you press
DEL
.
entry or any digits
FLASH/
USING TONE SERVICES
ON A PULSE LINE
Some special services, suc h as bank
by phone, require tone signals. If you
have pulse service, you can still use
these sp ecial tone services b y following these steps.
1. Set
2. Dial the service’s main number.
3. When the service answers, press
4. When you complete the call, place
Note: We recommend you not use
DIAL
tone (
TONE/PULSE
PULSE
.
*
on th e ke yp ad. A appears on the
on the base to
display. Then dial the additional
numbers. The phone sen ds these
numbers as tone signals.
the handset on the cradle or press
TALK
to disconnect the call. The
phone automatically resets to the
pulse mode.
RE-
to dial numbers that include a
*
) entry.
USING PAGE
PAGE
The
feature allows someone at
the base to page you at the handset. It
also helps you find the handset if you
misplace d it .
With the handset’s power on, the
handset beeps four sets of two beeps
when you press
TALK
The
key on th e h ands et f lashes ,
and the channel number and
PAGE
on the base.
INT
ap-
pear on the display.
Note: The handset will not beep during
a call.
MEMORY DIALING
You can store up to 30 phone numbers
for quick and easy dialing. Each stored
number can be up to 16 digits long.
Notes:
TONE/PULSE
•If
is set to
and you want to use tone dialing
for a memory number, you must
store the tone entry along with the
number.
PULSE
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• To keep your accounts secure, we
recommend you do NOT store
your personal access code for
services such as bank-by-phone
in a memory location.
Storing a Number in Memory
1. With the handset’s power on,
MEMORY
press
MEM
and
While you are storing a
Note:
number in memory, if you do not
press any button on the keypad
within about 9 seconds, the keypad light turns off and a buzz
sounds. Yo u must press
again so the keypad lights before
you can store the telephone number.
. The keypad lights
appears on the display.
MEMORY
• The phone does not dial the
number at this point.
• If you enter a wrong digit, pres s
FLASH/DEL
to delete the last
entered digit.
• If you enter more than 16 digits,
the phone buzzes and the display turns off. To dial a number
with more than 16 digits, see
“Chain Dialing.”
3. Press
MEMORY
again.
4. Enter the two-digit memory location number (
01, 02 ..... 30
) where
you want to store the number. The
index number appears, and a long
beep sounds. The phone num ber
is now stored in the memory.
5. Pull out the memory index card at
the bottom of the bas e. Write the
person’s or company’s name a nd
index number on the sheet in pencil (in case you want to change it
later).
2. Enter the phone number you want
to store. The number appears on
the display.
Notes:
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6. Repeat Steps 1-5 to store other
telephone numbers.
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Notes:
• If you receive a call while you are
storing a number in memory,
TALK
press
to answer the call.
After the call, begin a gain at Step
1 to store the number.
• To change a phone number stored
in memory, simply store a new
phone number in that location.
• To clear a memory location so no
number is stored there, press
MEMORY
twice, then press the
location number. A long beep
sounds. The phone number is
now cleared from the memory.
If a buzz sounds, you did not s uccessfully clear the memory location. Try the process again.
Entering a Pause
in a Memory Number
Dialing a Stored Number
There are three w ays to dial a stored
number.
Method 1
1. Lift the handset from the cradle
and press
TALK
and
2. When you hear a dial tone, press
MEMORY
buttons for the correct memory
location. The stored number
appears on the display, and the
phone dials the stored number.
TALK
so the keypad
key light.
, then press the number
In some telephone systems, you m ust
dial an access code (9, f or example)
and wait for a second dial tone b efore
you can dial an outside number. If your
phone is connected to one of these
systems, you might want to enter a
pause at the appropriate point when
you store a phone number in memory.
At the appropriate place in the number,
press
pause.
press
Note: Each
PAUSE
P AUSE
to enter a 2-second
P
appears. For a longer pause,
again.
P AUSE
entry uses one dig-
it of memory.
Method 2
1. Lift the handset from the cradle
and press
TALK
and
TALK
so the keypad
key light.
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2. Press
SCROLL
s/t to search for
the desired stored number. The
selected number appears on the
display.
3. Press
ENTER
. The phone dials the
stored number.
Method 3
1. With
POWER
TALK
key not lit, press
set to ON and the
SCROLL
to search for the desired stored
number.
TALK
2. Press
. The phone dials the
number automatically.
Chain Dialing
s/t
2. Wait for the service to answer.
If you use pulse dialing to
Note:
dial the service, be sure you hav e
stored a
*
(tone) entry in the memory location you use to send the
additional information.
3. Press
MEMORY
and the numbers
for the memory location where the
additional information is stored.
The numbers appear.
4. To disconnect the call, press
so the
TALK
key does not light.
TALK
Testing Stored
Emergency Numbers
If you store an emergency service’s
number (police, fire, ambulance) and
you want to test the stored number,
make the test call during the late
evening or early morning to avoid peak
demand periods. Remain on the line to
explain the reason for your call.
When storing numbers for special services (such as alternate long distance
or bank-by-phone), store the service’s
main phone number in one memory location and numbers for additional information in other memory locations.
To chain dial mem ory num bers , follow
these steps.
1. With the handset’s power on,
MEMORY
press
and the memorylocation number for the service’s
main number. The numbers
appear.
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TROUBLESHOOTING
We do not expect you to h ave any proble ms wi th your tele phone, but if you do, t he
following suggestions might help. If you still have problem s, chec k other phones on
the same line to see if they work properly. If they do and the problem does not seem
to be with your phone serv ice, take your ph one to your local RadioShack store for
assistance.
Problem:
Solutions:
•Be sure
• Move the handset closer to the base.
• Be sure the phone line cord and AC adapter are correctly and sec urely con-
• Be sure the battery is connected and charged.
• Fully extend the base’s antenna vertically.
• Return the handset to the cradle for 10 seconds, then try again.
Problem:
Solution:
other phone.
Problem:
Solutions:
• Do not place the base near appliances or large metal objects.
• Hang up and redial the number.
• Keep the handset away from interference sources such as computers, rem ote
The handset does not work.
POWER
nected.
Volume drops or you hear unusual sounds.
Someone has picked up another p hone on the same line. Hang up the
Call is noisy.
control toys, wireless microphones, wireless alarm systems, wireless intercoms
and room monitors, fluorescent lig hts, and electrical appliances . If the interference is severe, turn off the interfering device.
is se t to ON.
•Press
CH
to switch to another channel.
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Problem: The handset’s range decreases.
Solutions:
• Fully extend the base’s antenna vertically.
• Return the handset to the cradle, and recharge the battery.
• Be sure the antenna is not touching a metal surface.
Problem: Receiver sound flutters or fades.
Solutions:
• Be sure the battery is charged.
• Fully extend the base’s antenna vertically.
• Move the handset closer to the base.
Problem: Can make calls, but telephone does not ring.
Solution: T elephone compan y may be using unus ual ringing methods . Your tele-
phone is designed for standard straight line bridged ringing.
Problem: Can receive calls, but cannot make calls.
Solutions:
•Set
TONE/PULSE
correctly for the type of service you have (see “Setting the
Dialing Mode”).
• Check with the phone company to see if service is out in your area.
Problem: You cannot answer/ make a call and the handset sounds an error tone
when you lift it from the base or press
TALK
.
Solution: The phone might be receiving interference from another RF signal ; or, if
the handset is away from the base during a long pe riod of AC power failure, the
phone might loss its access protection code. Return the handset to the base for 5
seconds.
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CARE AND MAINTENANCE
Your ET-543 25-Channe l Cordless Teleph one with LCD Di splay is an exam ple of
superior design and craftsmanship. The following suggestions will help you care for
your phones so you can enjoy it for years.
Keep the phone dry. If it gets wet, wipe it dry immediately. Liquids can
contain minerals that corrode the electronic circuits.
Handle the phone gently and carefully. Dropping it can damage circuit boards and cases and cause the phone to work improperly.
Use and store the phone o nly in n ormal tem perature environm ents.
Temperature extremes can shorten the life of electronic devices and
distort or melt plastic parts.
Keep the phone away from dust and dirt which can cause premature
wear of parts.
Wipe the phone with a damp cloth occasionally to keep it looking
CLEANER
new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean your phone.
Modifying or tampering with the phone’s internal components can cause a malfunction and might invalidate its warranty and void your FCC authorization to operate it.
If your phone is not pe rforming as it shoul d, take it t o your local Ra dioShack store
for assistance. If the trouble is affecting the p hone lines , the ph one c om pany m ight
ask you to disconnect your phone until you have resolved the problem.
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REPLACING THE
BATTERY
If you follow the instructions in “Charging the Battery,” the supplied battery
should last for several years. When t he
battery loses its ability to fully charge,
order a replacement battery through
your local RadioShack store. Follow
these steps to replace the battery, then
charge the new battery according to
the instructions in “Charging the Battery. ”
1. Slide off the battery compartment
cover and loosen the plas tic strap
securing the battery. Then disconnect the old battery’s plug from
the pins and remove the battery.
2. Insert the new ba ttery in the compartment and secure it with the
plastic strap. Then connect the
battery’s plug to the pins inside
the compartment.
Important:
rechargeable nickel cadm ium battery.
At the end of the battery’s useful life, it
must be recycled or disposed of properly. Contact your local, county, or
state hazardous waste management
authorities for information on recycling
or disposal programs in your area.
Some options that m ight be available
are: municipal curb-side collection,
drop off boxes at retailers, recycling
collection centers, and m ail back programs.
Your telephone contains a
THE FCC WANTS YOU
TO KNOW
In the unlikely event that your phone
causes problems on the phone line,
the phone company can temporarily
discontinue your service. If this happens, the phone company at tempts to
notify you in advance. If advance notice is not practical, the phone company notifies you as soon as possible and
advises you of your right to file a com plaint with the FCC.
Also, the phone company can make
changes to its lines, equipment, operations, or procedures that could affect
the operation of the phone. The phone
company notifies you of these changes
in advance, so you can take the necessary steps to prevent interruption of
your phone service.
3. Replace the battery compartment
cover.
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Your phone m ight cause TV or radio
interference even when it is operat ing
properly. To determine whether your
phone is causing the interference, turn
off your phone. If the interference goes
away, your phone is ca using the interference. Try to eliminate the interference by:
• Moving your phone away from the
receiver
• Connecting your phone to an AC
outlet that is on a different electrical circuit from the receiver
• Contacting your local RadioShack store for help
If you cannot eliminate the interference, the FCC requires that you stop
using your phone.
LIGHTNING
Your phone has buil t-in protection circuits to reduce the risk of damage from
surges in phone line current. These
protection circuits meet or exceed FCC
requirements. However, lightning striking the phone l ines can damage your
phone.
Lighting damage i s not com m on. Nevertheless, if you li ve an area that has
severe electrical storms, we suggest
that you unplug your phone during
storms to reduce the possibility of
damage.
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RadioShack Limited Warranty
This telephone product is warranted against manufacturing defects in material and
workma nship for on e (1) year fro m the date of pu rchase from RadioShac k company
owned stores and authorized RadioShack franchisees and dealers. Within this period
bring your RadioShack sales slip as proof-of-purchase date to any RadioShack
store.
This warranty does not cover damage or failure caused by or attributable to Acts of
God, abuse, misuse, improper or abnormal usage, faulty installation, improper maintenance, lightning or other incidence of excess voltage, or any repairs other than those
provided by a RadioShack Authorized Service Facility, or transportation costs.
RadioShack is not responsible or liable for indirect, special, or consequential
damages arising out of or in connection with the use or performance of the product or other damages with respect to loss of property, loss of revenue or profit, or
costs of removal, installation or reinstallation.
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES
AND ANY IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE DURATION
OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN . Some states do
not allow the limitation or exclusion of incidental or consequential damages and some
states do not allow limitation or exclusion of implied warranties; therefore, the aforesaid
limitat ion( s) or excl usi on(s ) ma y not a ppl y to th e pur cha ser. Ther e wil l be charg es r endered for repa irs to the pr odu ct ma de aft er the expi rat ion of the a fore said one ( 1) yea r
warranty period.
This warra nty gives you specifi c legal rights and you may also have other rights which vary fr om
state to state.
We Se rvi ce What We Se ll
10/95
RadioShack
A Division of Tandy Corpor ation
Fort Worth, Texa s 76102
1 1A6Printed in Hong Kong
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