Your RadioShack ET-550 25-Channel
Dual Keypad Cordless Telephone is
designed to exacting standards that
ensure reliability, long life, and outstanding performance.
Its features include:
Dual Ke
— a full set of keys on
pads
both the ET-550’s handset and base
let you use either keypad to make and
answer calls or program the phone’s
features.
Speakerphone
— lets you make or
answer calls without using the handset.
Super CCT Noise-Reduction Cir-
— provides clear telephone
cuitr
conversations, giving you sound clarity
comparable to that of a corded phone.
25 Channels
— lets you change to a
clearer channel during a call if you notice interference.
20-Number Memor
Dialing
— lets
you store up to 20 numbers in memory
— 10 on the handset and 1 0 on the
base — for easy dialing.
®
COM-LOK
— ensures that other
cordless phone users cannot use y our
phone line when the hands et is o n t he
base.
Quick Talk
— lets you make or answer a call by simply lifting the handset
from the base.
Pa
/Two-Way Intercom System
— lets you send a signal from the base
to the handset, or from the handset t o
the base, so you can page someone or
easily locate the handset when it is
away from the base. If someone answers, you can use the ET-550 like a
two-way intercom.
— lets you quickly redial the
Redial
last number dialed.
— sends an electronic switch-
Flash
hook signal for use with special phone
services, such as Call Waiting.
Tone/Pulse Dialin
— lets you use
your phone with either type of service.
Hearin
-Aid Compatibilit
— lets
you use your phone with he aring aids
that have a T (telephone) switch.
Securit
Access-Protection Code
—
automatically prevents other cordless
phone users from using your phone
line while the handset is off the base.
Important Note: 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-550. To be
safe, you should also have a phone
that does not need AC power t o operate (not a cordless phone) so you can
still make and receive ca lls if there is
an AC power failure.
Your telephone operates on st andard
radio frequencies as allocated by the
FCC. Even though the access protection code prevents unauthorized use
of your phone line, it is possible for
other radio units operating on similar
frequencies within a certain area to
unintentionally intercept your conversations and/or cause interference.
This lack of privacy can occur with any
cordless phone.
This telephone has been tested and
found to comply with all applicable UL
and FCC standards.
Warning: To prevent fire or shock
.
hazard, do not expose this phone
to rain or moisture.
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED PERSONNEL.
This symbol is intended to alert
you to the presence of uninsulated dan
the phone’s enclosure that
mi
to constitute a risk of electric
shock. Do not open the phone’s
case.
erous voltage within
ht be of sufficient magnitude
!
We recommend you record your
phone’s serial number here. The number is on the bottom panel of the base.
Serial Number: __________________
This symbol is intended to inform you that important operat-
!
in
and maintenance
instructions are included in the
literature accompanyin
phone.
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
Number
on the bottom of the 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 phones 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.
, or REN. The REN is shown
Ringer Equivalence
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 numbers are shown
on the bottom of the base.
You can place the phone on a desk top
or table, or mount it on a wall. Select a
location that is:
• near an AC outlet
• near a telephone line jack
• out of the way of normal activities
• away from electrical machinery,
electrical appliances, metal walls
or filing cabinets, wireless intercoms, alarms, and room monitors
• away from other cordless phones
The base’s location affects the handset’s range. If you have a choice of
several locations, try each to see
which provides the best performance.
Caution:
adapter was designed specifically for
your ET-550. Use only the supplied
adapter.
The supplied RadioShack
Placing the Base
on a Desk Top
Follow these steps when you place
the base on a desk, shelf, or table.
1. Plug one end of the supplied modular cord into the
the back of the base.
2. Insert the supplied AC adapter’s
barrel plug into the
on the back of the base.
TEL LINE
jack on
DC IN 9V
jack
Notes:
• Your telephone connects directly
to a modular telephone line jack. If
your phone line jack is not a modular jack, you can 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.
• The USOC number of the jack to
be installed is RJ11C (RJ11W if
you want to mount it on a wall
plate).
3. Route the modular cord through
the upper groove and the ad apter
cord through both the upper and
lower grooves on the bottom of
the base.
Lower
Groove
Upper
Grooves
4. Plug the adapter into a standard
AC outlet. The POWER indicator
on the base lights.
5. Plug the short modular cord’s
other end into the wall plate jack,
then align the base’s keyhole slots
with the wall plate studs and slide
the base downward to secure it.
6. Press and lift out the handset
holder, rotate it 180°, then snap it
back into place so it holds the
handset.
7. Fully extend the base’s antenna
and place it in a vertical position.
6. Plug the modular cord’s other end
into a modular phone line jack.
7. Align the keyhole slots with the
mounting screws and slide the
base downward to secure it.
CONNECTING AND
CHARGING THE
BATTERY
The ET-550 comes with a rechargeable nickel-cadmium battery installed
in the handset. Before using your
phone’s handset, you must connect
the battery, then charge it for about 14
hours.
1. Using a Phillips screwdriver,
remove the screw on the battery
compartment cover on the bottom
of the handset. Then press down
and slide off the cover in the direction of the arrow.
8. Press and lift out the handset
holder, rotate it 180°, then snap it
back into place so it holds the
handset.
9. Fully extend the base’s antenna
and place it in a vertical position.
10
2. Insert the battery pack’s plastic
connector into the phone’s socket.
The plug fits only one way.
4. To charge the battery, simply
place the handset on the base.
The CHARGE indicator on the base
lights.
Recharge the battery when the B ATT
LOW indicator on the handset flashes.
Notes:
• If the CHARGE indicator does not
light when you pla ce the handset
on the base, be sure the battery
and AC adapter are correctly and
securely connected.
• If the battery pack gets w eak during a call, the handset sounds a
beep every 30 seconds, and the
BATT LOW indicator flashes. If
this happens, you cannot make
another call on the phone until you
recharge the battery.
• About once a month, fully discharge the battery by keepi ng the
handset off the base until the
BATT LOW indicator flashes. Otherwise, the batter y loses its ability
to fully recharge.
• Using a pencil eraser, clean the
charging contacts on the handset
and the base about once a m onth
to make sure they are not dirty or
tarnished.
• When you first use the phone after
charging or recharging the battery,
the phone might not work and you
might hear an error tone. If this
happens, return the handset to
the base for about 5 seconds.
• If the BATT LOW indicator does
not light, but the phone does not
work, recharge the battery. (The
battery charge might be too low to
flash the indicator.)
ther the handset or the base to operate
the ET-550. To use the speakerphone,
you must use the base keypad; to use
the handset, you must use the handset
keypad.
MAKING AND
RECEIVING CALLS
Using the Handset
To make or answer a call using the
handset, simply lift the handset. Or, if
the handset is away from the base,
TALK
press
on the handset and the IN USE indicator on the base light. Use the handset
keypad to dial the desired number.
. The BATT LOW indicator
Using the Speakerphone
To make or answer a call using the
speakerphone, simply press
ER
. The SPEAKER indicator lights on
the base. Use the base’s keypad to
dial the desired number.
VOLUME
Slide
to adjust the speakerphone’s volume.
on the right of the base
SPEAK-
To end a call, place the handset on the
base or press the handset’s
ton.
If you press
Note:
and the phone does not disconnect,
place the handset on the base or
press
handset closer to the base.
To switch to the speakerphone while
you are using the handset, press
SPEAKER
hear the conversation or the dial tone
on the speakerphone, pres s
the handset or place the handset on
the base.
To switch to the handset while you are
using the speakerphone, simply lift the
handset off the base. Or, if the handset is off the base, press
base, then press
set.
on the base. When you
TA LK
on
HOLD
on the
TA LK
on the hand-
Using Both the Handset and
Speakerphone
If you are using the speakerphone,
someone else can press
handset and join the conversation.
If you are using the handset, one or
more people can join the con versation
by pressing
SPEAKER
TA LK
on the
on the base.
Changing the Channel
If you notice interference, static, or
CH
CH
.
noise during a call, you c an press
(channel) to find a clearer channel.
The ET-550 changes to a different
channel each time you press
: If the handset is too far from the
Note
base, the channel might not change.
Move closer to the base and try again.
PUTTING A CALL ON
HOLD
When using the speakerphone, simply
HOLD
press
hold without disconnecting t he current
call.
on the base to put a call on
During the call, one of you can hang
up and let the call continue at the other keypad. Or, you can both hang up
at the same time to end the call.
If you hear a high-pitched noise
Note:
from the base ’s speaker, the handset
and the base are too close together.
To place a call on hold when us i ng the
handset, switch to the speakerphone
by pressing
SPEAKER
on the base,
then place the handset on the base (or
press
press
TALK
on the handset). Then
HOLD
on the base.
The phone disconne cts t he cal l 5 mi nutes after you put it on hold. However,
during those 5 minutes, a series of
beeps reminds you the call is on hold.
After 1 minute, the handset beeps every 15 seconds. After 4 minutes, the
handset beeps every 5 seconds. After
5 minutes, the handset sounds a long
tone and disconnects the call.
To release a call from hold and continue your conversation from the handset, press
TALK
or pick up the handset
from the base.
To release a call from hold and use
the speakerphone, press
SPEAKER.
You can use another phone on the
same line to pick up the call on hold,
but the handset st ill sh ows th at call on
hold.
or if you want t o have a conversation
between the handset and the base.
To page the base or handset, press
TERCOM
. Both the base and the hand-
IN-
set sound an intercom tone.
To answer the page, when the intercom tone sounds, press
TALK
(or
on the handset or
INTERCOM
SPEAKER
on the base).
To end the intercom call, pres s
SPEAKER,
or
or place the handset on
TA LK
the cradle.
To transfer a call to the base or hand-
set, press
INTERCOM
. The incoming
call is put on hold. When the base or
handset answers, press
TA LK
to end the intercom call.
SPEAKER
or
USING THE PAGING/
INTERCOM FEA TURES
When a call is not in progress, you can
use the ET-550 as a two-way pager
and intercom between the base and
the handset.
This is useful if the handset is away
from the base and you want to locate it,
During a call, you can use the intercom to make a conference call so
people at both the base and the handset can be a part of the call. To do
this, press
INTERCOM
. The incoming
call is put on hold and an intercom
tone sounds.
Some special services, su ch 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.
P
T
1. Be sure
2. Dial the service’s main number
using the keypad at the base or
the handset.
3. When the service answers, press
TONE/
you dial are sent as tone signals.
• •
is set to P.
.
Any additional num bers
MEMORY DIALING
You can store up to 20 numbers in the
ET-550’s memory (10 in the handset’s
memory and another 10 in the base’s
memory), then dial a stored number by
pressing
ory location number.
Notes:
• Each number you store can be up
• You cannot dial the number stored
Storing a Number in Memory
Notes:
• If you wait more than 20 seconds
MEMO
then a one-digit m em -
to 16 digits long.
in one memory (the base or the
handset) using the keypad on the
other.
between each key press, a n error
tone sounds and the phone exits
the programming mode.
4. After you complete the call, return
the handset to the base, press
TALK
, or press
phone automatically resets to the
pulse mode.
SPEAKER
. The
• To store a number in the base’s
memory, begin with Step 2.
1. To store a number in handset’s
memory, lift the handset. If you
Tone Services on a Pulse Line” on
Page 17 and “Entering a Pause”
on this page).
Note:
Each
TONE
or
PAUSE
entry
uses one digit of memory.
MEMO
4. Press
ory location number (
, then enter the mem-
0–9
). A si ngle tone sounds, indicating that
the number is stored.
Note:
If five quick beeps sound,
you have made an en try error and
the number was not stored. Start
again from Step 2.
5. For each stored number, write the
person’s or company’s name next
to the appropriate location number
on the supplied MEMORY directory sticker. (Use a pencil in ca se
you want to change the number
later.)
6. Remove the adhesive backing
from the sticker, then attach the
sticker to the back of the handset.
To erase a stored number, simply
store a new number in its place. Or,
press
memory location number (
MEMO
twice, then press the
0–9
) you
want to clear. A tone sounds.
Entering a Pause
In some telephone systems, you must
dial an access code (
and wait for a second dial tone before
you can dial an outside number. You
can store the access code with the
phone number. However, you should
also store a pause after the access
code to allow the outside line time to
connect.
To dial a number stored in handset’s
memory, lift the handset from the base
or press
in the base’s memory, press
ER
When you hear a dial tone, press
MEMO
number for the number you want to
dial.
TALK
. To dial a number stored
.
and enter the memory location
SPEAK-
Chain-Dialing Service
Numbers
When calling special services (such as
alternate long distance or bank-byphone), dial the service’s main number
first. Then, at the appropriate p lace in
the call, press
for the memory location wh ere the additional information is stored.
MEMO
and the numb er
Testing Stored Emergency
Numbers
If you store an emergency service’s
number (police department, fire department, ambulance) and you choose
to test the stored number, make the
test call during the late evening or early
morning hours to avoid peak demand
periods. Also, remain on the line to explain the reason for your call.
The handset stops working or
works poorly during a call.
• Fully extend the base’s antenna in a vertical position.
• Move the handset closer to the base.
• Move the handset or base away from other
electrical devices and sources of noise.
• The handset’s battery pack might be weak.
Return the handset to the base, and
recharge the battery.
• Fully extend the base’s antenna in a vertical position.
• Move the handset closer to the base.
• Make sure the charging contacts on the
handset and base are clean before you
charge the handset.
• Be sure the handset’s battery is charged.
(If the battery power is too low, it does not
have enough power to light the BATT LOW
indicator.)
• If the base loses power while the handset
is off of it, the security access-protection
code might change. Restore power to the
base, then place the handset back on the
base for a few moments.
The call is too noisy .Change channels or hang up and redial the
number.
If you still have problems, disconnect the phone. If other phones on the same line
work properly, the fault is in this phone or its installation. If you cannot find the problem, take your phone to your local RadioShack store for assistance
Your RadioShack ET-550 25-Channel Dual Keypa d Cordless Telephone is an example of superior design and craftsmanship. The following suggestions will help you
care for your cordless telephone so you can enjoy it for years.
Keep the phone dry. If it gets wet, wipe it dry immediately. Liquids
might contain minerals that can corrode the electronic circuits.
Use and store the phone o nly in no rmal tem perature environm ents.
Temperature extremes can shorten the life of electronic devices(,
damage batteries,) and distort or melt plastic parts.
Keep the phone away from dust and dirt, which can cause premature
wear of parts.
Handle the phone gently and carefully. Dropping it can damage circuit boards and cases and can cause the phone to work improperly.
Wipe the phone with a damp cloth occasionally to keep it looking
new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the phone.
Modifying or tampering with the telephone’ s int ernal com pone nts can cause a malfunction and might invalidate your telephone’s warranty and void your FCC authorization to operate it. If your phone is not performing as it should, take it to your local
RadioShack store for assistance. If the trouble is affecting the phone lines, the
phone company might ask you to disconnect your phone until you have resolved the
problem.
If you follow the instructions in “Connecting and Charging the Battery” on
Page 10, the battery should last about
one year. If the battery will not hold a
charge for more than 2 hours after an
overnight charge, replace the battery
with a new 3.6 V, 300 mAh battery with
a conn ector th at fits the s ocket in the
battery compartment. You c an order a
replacement battery through your local
RadioShack store.
Install the new battery as described
below, then charge the battery for
about 14 hours before you use the
handset.
Note:
To avoid losing phone num bers
stored in the handset’s memory, try to
install and begin charging the new
battery within 1 minute after removing
the old one.
1. Using a Phillips screwdriver,
remove the screw on the battery
compartment cover on the bo ttom
of the handset. Then press down
and slide off the cover in the direction of the arrow.
2. Gently pull on the battery connector to disconnect it, then remove
the battery.
3. Insert a fresh battery and insert its
connector into the socket inside
the battery compartment.
4. Replace the cover and tighte n the
screw.
Caution:
battery of the same size and type.
Important:
chargeable nickel cadmium 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 wa ste managemen t authorities for information on recycling or disposal programs in your area. Some
options that might be availab le are: municipal curb-side collection, drop-off boxes at retailers such as your local
RadioShack store, recycling collection
cent ers , an d mail - b ack pro g rams .
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 com pany attem pts to
notify you in advance. If adv ance 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 this telephone. The
telephone company notifies you of
these changes in advance, so you can
take the necessary steps to prevent interruption of your telephone service.
Your phone m ight cause T V 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 f rom t he
receiver
• Connecting your phone to an AC
outlet that is on a different electr ical circuit from the receiver
• Contacting your local RadioShack store for help
Some cordless phones operate at frequencies that might cause interference
to nearby TVs and VCRs. To minimize
or prevent such interference, the base
of the cordless phone should not be
placed near or on top of a TV or VCR.
LIGHTNING
Your telephone has built-in lightning
protection to reduce the risk of damage
from surges in telephone line and power line current. This protection meets
or exceeds FCC requirements. However, lightning striking the telephone or
power lines can damage your telephone.
Lightning damage is not common.
Nevertheless, if you live in an area that
has severe electrical storms, we suggest that you unplug your phone during
storms to reduce the possibility of
damage.
This product is warrant ed by RadioShac k against manufacturing defects in materia l and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned
stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING
THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED
IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED
HEREIN. EXCEPT AS PROVI DED HEREIN, Rad ioShack SH ALL HAVE NO LIABILIT Y OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY
LIABILITY, LOSS OR DAMAGE CA USED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARI SING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS
OF TIME, DATA, PROPERTY, REVENUE, OR P ROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
Some states do not allow the limitations on how lon
cidental or consequential dama
In the event of a product defect durin
sales receipt as proof of pur cha se date to any RadioS hack s tore. Radi oSha ck wil l, at its option, unless otherwise provided by law: (a) correct the defect by product repair without char
labor; (b) replace the produc t with one of the same or similar desi
price. All replaced parts and pr oducts, and pro ducts on which a refund is made, become the property of RadioShack. New or rec onditioned parts and products may be used in the performance of
warranty service. Repa ired or replaced parts and produ cts are warranted for the remainder of the
ori
inal warranty period. You will be charged for repair or replacement of the product made after the
expiration of the warranty period.
This warranty does not cover: (a) dama
accident, misuse, impr oper or abnormal usa
maintenance, al teration, li
other than those provi ded by a RadioShack Autho rized Service Facility; ( c) consumables such as
fuses or batteries; (d) cos meti c dama
of product removal, installation, set-up service adjustment or reinstallation.
This warranty
state to state.
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102
ives you specific legal rights, and you may also have other rights which vary from
es, so the above limitations or exclusions may not apply to you.
the warran ty perio d, take the produ ct and the Rad ioShack
e or failure caused by or attributable to acts of God, abuse,
htning or other incidence of excess voltage or current; (b) any repair s
e; (e) transportatio n, shippi ng or insurance costs; or ( f) costs
We Service What We Sell
an implied warranty lasts or the exclusion of in-
n; or (c) refund the p urchase
e, failure to follow instruct ions, improper instal lation or
e for parts and
3/97
RadioShack
A Division of Tandy Corpo ration
Fort Worth, Texas 76102
UDZZ01504ZB
10A7Printed in t he Philipines
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