Radio Shack Cordless Telephone ET 521 User Guide

43-1021.fm Page 1 Tuesday, August 17, 1999 9:14 AM  
Cat. No. 43-1021  
OWNER’S MANUAL  
Please read before using this equipment.  
ET-521  
25-Channel Cordless Telephone  
with Caller ID/Call Waiting ID  
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Flash — sends an electronic switchhook  
signal for use with special phone servic-  
es such as Call Waiting.  
Where Caller ID is offered, one or more  
of the following options are generally  
available:  
• Caller’s number only  
• Caller’s name only  
Volume Control — lets you adjust the  
volume you hear through the handset.  
• Caller’s name and number  
Hold — lets you put a call on hold, so  
you can answer another call or page  
someone.  
For the ET-521’s Caller ID memory dial  
feature to operate, you must receive the  
caller’s number.  
Redial — lets you quickly redial the last  
number dialed.  
Touch/Pulse Dialing — lets you use  
your phone with tone or pulse service.  
Warning: To prevent fire or shock  
hazard, do not expose this product  
to rain or moisture.  
This telephone has been tested and  
found to comply with all applicable UL  
and FCC standards.  
CAUTION  
RISK OF ELECTRIC SHOCK.  
!
DO NOT OPEN.  
We recommend you record your phone’s  
serial number here. The number is on  
the bottom of the base.  
CAUTION: TO REDUCE THE RISK OF  
ELECTRIC SHOCK, DO NOT REMOVE  
COVER OR BACK. NO USER-SERVICE-  
ABLE PARTS INSIDE. REFER SERVIC-  
ING TO QUALIFIED PERSONNEL.  
Serial Number: __________________  
This symbol is intended to alert you to  
the presence of uninsulated danger-  
ous voltage within the product’s enclo-  
sure that might be of sufficient  
magnitude to constitute a risk of elec-  
tric shock. Do not open the product’s  
case.  
Important Caller ID Information  
To use the phone’s Caller ID and Call  
Waiting features, you must be in an area  
where Caller ID and Call Waiting servic-  
es are available and you must subscribe  
to the services.  
This symbol is intended to inform you  
that important operating and mainte-  
nance instructions are included in the  
literature accompanying this product.  
!
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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-521. For this reason, the ET-521  
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.  
READ THIS BEFORE  
INSTALLATION  
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 on the bottom of the  
base.  
If you are using more than one phone or  
other device on the line, add up all the  
RENs. If the total is more than five, your  
phone might not ring. In rural areas, a to-  
tal REN of three might impair ringer oper-  
ation. If ringer operation is impaired,  
remove a device from the line.  
Your telephone operates on standard ra-  
dio 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 op-  
erating on similar frequencies within a  
certain area to unintentionally intercept  
your conversations and/or cause inter-  
ference. This lack of privacy can occur  
with any cordless phone.  
FCC STATEMENT  
This telephone complies with Part 68 of  
FCC Rules. You must, upon request,  
provide the FCC registration number and  
the REN to your phone company. These  
numbers are on the bottom of the base.  
Note: You must not connect your ET-  
521 to any of the following:  
• coin-operated systems  
• party-line systems  
• most electronic key phone systems  
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CONTENTS  
Preparation .............................................................................................................. 7  
Selecting a Location ........................................................................................... 7  
Attaching the Handset’s Antenna ....................................................................... 7  
Placing the Base on a Desk Top ........................................................................ 7  
Mounting the Base on a Wall Plate .................................................................... 9  
Mounting the Base Directly on the Wall ........................................................... 11  
Connecting and Charging the Battery Pack ..................................................... 13  
Setting the Dialing Mode .................................................................................. 15  
Selecting the Language .................................................................................... 15  
Setting the Area Code ...................................................................................... 16  
Setting the Ringers ........................................................................................... 16  
Checking/Setting the Handset Ringer ........................................................ 16  
Turning the Base Ringer On or Off ............................................................ 17  
Telephone Operation ............................................................................................ 18  
Making and Receiving a Call ............................................................................ 18  
Setting the Handset’s Volume .......................................................................... 18  
Changing the Channel ...................................................................................... 19  
Using Redial ..................................................................................................... 19  
Using Flash ...................................................................................................... 19  
Using Hold ........................................................................................................ 20  
Using Tone Services on a Pulse Line ............................................................... 20  
Using Page/Intercom ........................................................................................ 20  
Memory Dialing ................................................................................................ 21  
Storing a Number and Name in Memory ................................................... 21  
Entering a Pause ....................................................................................... 23  
Recalling Numbers Stored in Memory ....................................................... 23  
Dialing a Memory Number ......................................................................... 23  
Chain-Dialing Service Numbers ................................................................. 24  
Testing Stored Emergency Numbers ......................................................... 24  
Deleting Information in a Single Memory Location .................................... 24  
Deleting Information in All Memory Locations ........................................... 24  
Using the VIP Call List ............................................................................... 25  
Caller ID Operation ............................................................................................... 26  
Caller ID Displays ............................................................................................. 27  
Reviewing Caller ID Records ........................................................................... 27  
Storing Caller ID Records in a Memory Location ............................................. 28  
Dialing Numbers from a Caller ID Record ........................................................ 28  
Deleting Caller ID Records ............................................................................... 28  
Using a Headset ............................................................................................... 29  
Troubleshooting .................................................................................................... 30  
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Care and Maintenance .......................................................................................... 32  
Replacing the Battery Pack .............................................................................. 33  
The FCC Wants You to Know ........................................................................... 34  
Lightning ........................................................................................................... 34  
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PREPARATION  
SELECTING A LOCATION  
ATTACHING THE  
HANDSET’S ANTENNA  
You can place the phone on a desk top  
or table, mount it on a standard wall  
plate, or mount it directly on the wall. Se-  
lect a location that is:  
Screw the antenna into the hole at the  
top of the handset.  
• 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  
The base’s location affects the phone’s  
range. If you have a choice of several lo-  
cations, try each to see which provides  
the best performance.  
Caution: The supplied AC adapter was  
designed specifically for your ET-521.  
Use only the supplied adapter.  
PLACING THE BASE ON A  
DESK TOP  
Note:  
• Your telephone connects directly to  
a modular telephone line jack. If  
your phone line jack is not a modu-  
lar 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).  
Follow these steps when you place the  
base on a desk, shelf, or table.  
1. Remove the bracket by holding in  
both tabs and gently pulling out the  
wide end of the bracket.  
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2. Plug one end of the supplied long  
modular cord into the phone jack on  
the back of the base.  
5. Insert the tabs on the narrow end of  
the bracket into both slots on the  
bottom of the base as shown and  
push the tabs on the wide end of the  
bracket into the upper slots on the  
bottom of the base.  
3. Insert the supplied AC adapter’s  
barrel plug into the DC 12V jack on  
the back of the base.  
6. Plug the modular cord’s other end  
into a modular phone line jack.  
4. Route the adapter’s cord through  
the strain relief slot on the bottom of  
the base.  
7. Plug the adapter into a standard AC  
outlet.  
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8. Fully extend the base’s antenna and  
raise it to a vertical position.  
3. Insert the supplied AC adapter’s  
DC 12V  
barrel plug into the  
the back of the base.  
jack on  
4. Route the modular cord through ei-  
ther groove on the bottom of the  
base and the adapter cord through  
the groove below the strain relief  
slot.  
MOUNTING THE BASE ON  
A WALL PLATE  
1. Remove the bracket by holding in  
both tabs and gently pulling out the  
wide end of the bracket.  
2. Plug one end of the supplied short  
modular cord into the phone jack on  
the back of the base.  
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5. Insert the tabs on the narrow end of  
the bracket into the slots on the bot-  
tom of the base as shown and route  
the other end of the short modular  
cord through the center of the brack-  
et.  
7. Plug the short modular cord’s other  
end into the wall plate jack, align the  
base’s keyhole slots with the wall  
plate studs, and slide the base  
downward to secure it.  
8. Plug the adapter into a standard AC  
outlet.  
6. Push the tabs on the wide end of the  
bracket into the lower slots on the  
bottom of the base.  
9. Fully extend the base’s antenna and  
raise it to a vertical position.  
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MOUNTING THE BASE  
DIRECTLY ON THE WALL  
For this mounting method, you need two  
flat-head screws (not supplied) with  
heads that fit into the keyhole slots on the  
bottom of the base.  
5/16  
1. Drill two holes 315/16  
inches (100 mm) apart.  
Then thread a screw  
into each hole, letting  
the  
heads  
extend  
4. Insert the supplied power adapter’s  
DC 12V  
5
about /16 inch (7 mm)  
from the wall.  
315/16  
barrel plug into the  
the back of the base.  
jack on  
2. Remove the bracket by holding in  
both tabs and gently pulling out the  
wide end of the bracket.  
5. Route the modular cord through ei-  
ther groove on the bottom of the  
base and the adapter cord through  
the groove below the strain relief  
slot.  
3. Plug one end of the supplied long  
modular cord into the phone jack on  
the back of the base.  
11  
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43-1021.fm Page 12 Tuesday, August 17, 1999 9:14 AM  
6. Insert the tabs on the narrow end of  
the bracket into the slots on the bot-  
tom of the base as shown, guide the  
modular and adapter cords through  
the slots on the wide end of the  
bracket, then push the tabs on the  
wide end of the bracket into the low-  
er slots on the bottom of the base.  
8. Plug the adapter into a standard AC  
outlet.  
9. Plug the modular cord into a modu-  
lar phone line jack.  
10. Fully extend the base’s antenna and  
raise it to a vertical position.  
7. Align the base’s keyhole slots with  
the mounting screws, and slide the  
base downward to secure it.  
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To charge the battery pack, simply place  
the handset on the base. The CHARGE  
indicator on the base lights.  
CONNECTING AND  
CHARGING THE BATTERY  
PACK  
The ET-521 comes with a rechargeable  
nickel-cadmium battery pack in the  
handset but not connected. Before using  
your phone, you must connect the bat-  
tery pack and then charge it for about 15  
hours.  
CHARGE  
Indicator  
Note: You can place the handset on the  
base face up or face down.  
1. Press down and slide off the com-  
partment cover as shown.  
Recharge the battery pack when  
appears on the handset’s display.  
Low Battery Indicator  
2. Plug the battery pack’s connector  
into the socket in the compartment.  
The connector fits only one way.  
Notes:  
• When you first use the phone after  
charging or recharging the battery  
pack, the phone might not work and  
you might hear an error tone when  
TALK  
you press  
. If this happens, re-  
turn the handset to the base for  
about 6 seconds. This resets the se-  
curity access protection code.  
• If the CHARGE indicator does not  
light when you place the handset on  
the base, be sure the battery pack  
and AC adapter are correctly and  
securely connected.  
Note: For easier battery pack con-  
nection, lift it out of the compart-  
ment, insert its connector into the  
socket, then replace the battery  
pack inside the compartment.  
3. Replace the cover.  
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43-1021.fm Page 14 Tuesday, August 17, 1999 9:14 AM  
Also, check the charging contacts  
on the handset and the base. If the  
contacts are dirty or tarnished, clean  
them with a pencil eraser.  
• If you are not going to use your  
phone for an extended period of  
time, disconnect the battery pack.  
This increases the battery pack’s  
usable life.  
• The supplied battery pack should  
last for about a year. When it loses  
its ability to fully recharge, order a  
replacement battery pack from your  
local RadioShack store (see “Re-  
placing the Battery Pack” on  
Page 33).  
• If the battery pack gets completely  
discharged or the base loses power  
while the handset is away from it,  
the security access-protection code  
needs to be reset. To reset the secu-  
rity code, place the handset on the  
base. If it was the handset that lost  
power, leave the handset on the  
base to charge the battery pack.  
• If the battery pack gets weak during  
a call, the handset sounds 4 beeps  
every 30 seconds. If this happens,  
you cannot make another call on the  
phone until you recharge the battery  
pack.  
• About once a month, fully discharge  
the battery pack by keeping the  
handset off the base until  
ap-  
pears. Otherwise, the battery pack  
loses its ability to fully recharge.  
To avoid damage to the battery  
pack, always recharge the handset  
before battery power grows too  
weak to light  
.
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SETTING THE DIALING  
MODE  
SELECTING THE  
LANGUAGE  
T/P  
Set  
(Tone/Pulse) on the back of the  
The ET-521 comes set to display all Call-  
er ID messages in English, but if you  
want it to display messages in French or  
Spanish, follow these steps.  
base for the type of service you have. If  
you are not sure which type you have,  
once the battery is fully charged, do this  
test.  
SETUP  
1. Press  
on the handset. Lan-  
T/P  
T
to .  
1. Set  
guage and the currently selected  
language appear.  
Note: If you do not press any key  
within 15 seconds after the lan-  
guage selection display appears,  
the ET-521 exits the language se-  
lection display without changing the  
current selection.  
TALK  
2. Lift the handset, then press  
and listen for the dial tone.  
2. To select another language, repeat-  
edly press  
/
or #/ until you see  
the desired language.  
3. Press any number other than 0.  
Note: If your phone system requires  
9
that you dial an access code ( , for  
example) before you dial an outside  
number, do not press the access  
code either.  
SETUP  
3. Press  
to store the selected  
If the dial tone stops, you have  
language.  
T/P  
touch-tone service. Leave  
set to  
T
.
If the dial tone continues, you have  
T/P  
P
to .  
pulse service. Set  
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SETTING THE AREA  
CODE  
SETTING THE RINGERS  
You can easily set the handset and base  
ringers to fit your personal needs.  
When you return a call from a Caller ID  
record (see “Dialing Numbers from a  
Caller ID Record” on Page 28), your  
phone automatically dials 1, the area  
code, and the number. However, if you  
store your area code into memory and  
the number you call has the same area  
code, the ET-521 only dials the 7-digit lo-  
cal number.  
Notes:  
• Even with the base and handset  
ringers off, you can make or receive  
calls using this phone, and tele-  
phones on the same line still ring  
when there is an incoming call. The  
IN USE indicator on the base and  
the TALK indicator on the handset  
flash until you answer the call.  
Follow these steps to set the local area  
code.  
• If the base’s ringer is off and the  
handset is on the base, the handset  
does not ring.  
Note: If you do not press a key within 15  
seconds during these steps, the display  
clears and you must start again at Step  
1.  
Checking/Setting the Handset  
Ringer  
SETUP  
. The language selection  
display appears.  
1. Pres  
REVIEW  
2. Press  
t or s twice. The cur-  
You can set the ET-521’s handset to  
sound any of three ring types or you can  
turn off its ringer. Follow these steps to  
check the current ringer type, and  
change it if desired.  
rently entered area code (or -- -)  
appears.  
SETUP  
1. Press  
.
REVIEW  
2. Repeatedly press  
s or t un-  
til the handset rings and Ringer  
PAT(ringer pattern) and the current  
setting appear.  
3. Enter your 3-digit area code, then  
SETUP  
press  
to store it.  
Note: If you make a mistake while  
DELETE  
setting the area code, press  
and re-enter the area code.  
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43-1021.fm Page 17 Tuesday, August 17, 1999 9:14 AM  
3. Press  
/
or #/ to select the de-  
sired ringer type or turn off the ring-  
er. The handset sounds the new  
selection as you change the ringer  
type.  
4. Press SETUP to complete the set-  
ting. If you turned off the ringer,  
RingerOFFappears for about 12  
seconds.  
Turning the Base Ringer On or  
Off  
To have the base ring when a call comes  
in, set RINGER to ON. To turn the ringer  
off, set RINGER to OFF.  
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TELEPHONE OPERATION  
Notes:  
• If you press TALK to hang up and  
MAKING AND RECEIVING  
A CALL  
the phone does not disconnect,  
move closer to the base then press  
TALK again, or place the handset on  
the base.  
To make a call, simply lift the handset  
and press TALK. When the TALK indica-  
tor lights steadily and you hear the dial  
tone, dial the desired phone number or  
memory number (see “Memory Dialing”  
on Page 21).  
• If you want to make a call but the AC  
adapter is not properly connected or  
the handset is out of the base’s  
range, Tryagainappears and the  
handset beeps twice. Be sure the  
AC adapter is correctly and securely  
connected, move the handset closer  
to the base, then try again.  
• If you hear loud static during a con-  
versation, move the handset closer  
to the base.  
The ET-521 displays the current channel  
number until you dial the phone number.  
Then the phone number appears, fol-  
lowed by the duration of your call (after  
15 seconds) in minutes and seconds.  
• If you turn off the ringer, Ringer  
OFF appears for about 12 seconds  
when you end a call.  
0–00:22  
SETTING THE HANDSET’S  
VOLUME  
You can select any of three different vol-  
ume settings (soft, normal, loud) by re-  
peatedly pressing VOLUME during a call.  
To answer a call if the handset is on the  
base, simply lift the handset and begin  
your conversation. Or, if the handset is  
away from the base, press TALK first.  
The TALK indicator on the handset and  
the IN USE indicator on the base light.  
To end a call, place the handset on the  
base or press TALK. The TALK and IN  
USE indicators turn off.  
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CHANGING THE  
CHANNEL  
The ET-521 scans 25 channels (frequen-  
cy pairs used between the base and the  
handset) and automatically selects a  
clear channel each time you make or re-  
ceive a call.  
Notes:  
• The redial memory holds up to 24  
CHand the current channel number ap-  
pear on the display for about 15 seconds  
when you make or receive a call.  
digits, so you can redial long-  
distance as well as local numbers.  
REDIAL  
• We recommend you not use  
If you hear other conversations or exces-  
to dial numbers that include a tone  
entry. This could result in a wrong  
number being dialed. (See “Using  
Tone Services on a Pulse Line” on  
Page 20.)  
CHANNEL  
sive noise during a call, press  
to select a different channel. The select-  
ed channel appears on the display.  
• The redial memory does not store a  
flash entry or any digits entered af-  
FLASH  
ter you press  
Flash”).  
(see “Using  
Note: If the handset is too far from the  
base, the channel might not change.  
Move closer to the base and try again.  
USING FLASH  
FLASH  
performs the electronic equiva-  
lent of a switchhook operation for special  
services, such as Call Waiting.  
USING REDIAL  
For example, if you have Call Waiting,  
FLASH  
press  
to answer an incoming call  
You can quickly redial the last number di-  
aled. Simply lift the handset and press  
without disconnecting the current call.  
FLASH  
Press  
call.  
again to return to the first  
TALK  
. When you hear the dial tone,  
REDIAL  
press  
. The number appears on  
the display as the phone dials it.  
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Note: If you do not have any special  
2. Dial the service’s main number.  
FLASH  
phone services, pressing  
disconnect the current call.  
might  
3. When the service answers, press  
. Q appears. Any additional num-  
bers you dial are sent as tone sig-  
nals.  
USING HOLD  
4. After you complete the call, return  
the handset to the base or press  
To talk to someone else in the room with-  
out the person on the other end of the  
phone line hearing your conversation,  
TALK.  
The phone automatically re-  
sets to pulse dialing.  
HOLD  
press  
during the call. The TALK in-  
dicator on the handset and IN USE indi-  
cator on the base flash and Phone  
holdappears.  
USING PAGE/INTERCOM  
You can use the ET-521 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, or if you want to have a  
conversation between the handset and  
the base.  
Note: We do not recommend using hold  
for very long if you subscribe to Caller ID,  
because the Caller ID information sent  
by the phone company might disconnect  
a caller on hold if a new call comes in.  
To page the person who has the handset  
or to locate the handset when the phone  
PAGE  
is not in use, press  
on the base.  
The handset beeps three times and  
Paging youappears. If you want the  
handset to beep for a longer time, hold  
HOLD  
Press  
again to resume your phone  
PAGE  
down for about 3 seconds. The  
handset beeps for 3 minutes.  
conversation.  
USING TONE SERVICES  
ON A PULSE LINE  
Some special services, such as bank-by-  
phone, require tone signals. If you have  
pulse service, you can still use these  
special tone services by following these  
steps.  
T/P  
P
1. Be sure  
is set to .  
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43-1021.fm Page 21 Tuesday, August 17, 1999 9:14 AM  
To stop the handset from beeping before  
it automatically stops, press TALK on the  
handset twice or PAGE on the base.  
MEMORY DIALING  
You can store up to 20 phone numbers  
and names in memory, then dial a stored  
number by pressing a two-digit memory  
location number.  
To answer a page from the base or to  
page the base, press INTCM on the  
handset. The base sounds three beeps  
and Intercom appears on the hand-  
set. Begin your conversation.  
Each stored number can be up to 24 dig-  
its long, and each name can contain up  
to 16 characters.  
:
Notes  
• You cannot speak and hear the  
other party at the same time during  
an intercom conversation.  
Storing a Number and Name in  
Memory  
• You cannot page the handset during  
a call.  
Notes:  
• If T/P is set to P and you want to use  
• If you want to make an intercom call  
during a phone conversation, press  
INTCM on the handset to page the  
base. Phone hold Intercom  
appears and the call is placed on  
hold. When you finish the intercom  
call, press INTCM to resume the  
phone conversation.  
tone dialing for a memory number,  
you must store a  
as the first entry  
of the number you want to tone dial.  
• Do not store a number with both  
pulse and tone entries in the same  
memory location. This could result  
in a wrong number being dialed.  
• Each pause (see “Entering a Pause”  
• If a phone call comes in during an  
intercom conversation, press TALK  
on the handset to answer the call.  
When you finish the call, you can  
press INTCM to resume the intercom  
conversation.  
on Page 23) and tone entry (  
uses one digit of memory.  
)
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.  
To end the intercom conversation, press  
INTCM.  
• An error tone sounds and the phone  
exits the programming mode if you  
wait more than 15 seconds between  
each keypress or enter more than  
24 digits. You must start over at  
Step 1.  
21  
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43-1021.fm Page 22 Tuesday, August 17, 1999 9:14 AM  
1. Press MEM. PROG (programming)  
To enter the same letter twice in a  
row or enter a blank space, press #/  
to move the cursor to the next  
character position, then enter the  
desired letter.  
appears.  
:
Notes  
• If you enter a wrong letter, press  
#/ or to move the cursor  
/
to the position of the incorrect let-  
ter, then enter the correct letter.  
2. Enter the number you want to store.  
The number appears on the display.  
• You can enter up to 16 letters,  
including spaces.  
To store the last number you dialed,  
simply press REDIAL.  
4. Press MEM. Enter 00-19 ap-  
If you enter an incorrect digit, press  
DELETE to delete the last entered  
digit. Then enter the correct digit.  
pears.  
5. Enter a two-digit memory location  
number (00–19). The ET-521 beeps  
several times. The stored memory  
location number and Save OK ap-  
pear.  
If you receive a call while you are  
Note:  
storing information in memory, press  
TALK to answer the call. After the call,  
begin again at Step 1.  
3. To enter a name, press SETUP. A  
flashing cursor appears.  
To replace a stored number, simply store  
a new one in its place.  
Refer to the letters on the number  
keys to select the desired letter. For  
example, to enter JOHN: press 5  
once; Jappears. Then press 6 three  
times; o appears. Press 4 twice; h  
appears. Finally, press 6 twice; n  
appears.  
22  
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43-1021.fm Page 23 Tuesday, August 17, 1999 9:14 AM  
VIEW s or t until the desired number  
appears.  
Entering a Pause  
In some telephone systems, you must  
dial an access code (9, for example) 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 do  
so, press REDIAL to enter a 3-second  
pause after entering the access code. P  
appears. For a longer pause, press RE-  
DIAL again.  
Note: TOP OF LIST or END OF  
LIST appears when you reach the  
beginning or end of the memory lo-  
cations.  
3. To review the stored name, press #/  
or  
/
. If no name is stored,  
Nonameappears.  
Dialing a Memory Number  
1. Press TALK. The TALK indicator  
lights.  
2. When you hear the dial tone, press  
MEM then enter the 2-digit memory  
location number, or press REVIEW s  
or t to select the desired memory lo-  
cation number. The memory loca-  
tion number and the stored phone  
number appear on the display.  
Recalling Numbers Stored in  
Memory  
3. Press CALLBACK. The phone dials  
the displayed phone number.  
1. Press MEM, then SETUP. The phone  
M01  
555-1234  
displays M--.  
2. Enter the 2-digit memory location  
number. The stored phone number  
appears.  
Or, to scroll through all of the memo-  
ry locations, repeatedly press RE-  
23  
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43-1021.fm Page 24 Tuesday, August 17, 1999 9:14 AM  
Chain-Dialing Service Numbers  
Deleting Information in a  
Single Memory Location  
For quick recall of numbers for special  
services (such as alternate long distance  
or bank by phone), store each group of  
numbers in its own memory location.  
1. Recall the memory location contain-  
ing the information you want to  
delete.  
2. Press DELETE. Clear? and  
When calling special services, dial the  
service’s main number first. Then, at the  
appropriate place in the call, press MEM  
and SETUP, enter the number for the lo-  
cation where the additional information is  
stored, and press CALLBACK.  
DELappear.  
3. Press DELETE again to confirm de-  
letion. The next higher memory lo-  
cation number and the number  
stored there appear. If no number is  
stored in that location, Nonumber  
appears.  
Testing Stored Emergency  
Numbers  
To exit without deleting the informa-  
tion, wait 30 seconds without press-  
ing any button.  
If you store an emergency service’s  
number (police department, fire depart-  
ment, 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 pe-  
riods. Remain on the line to explain the  
reason for your call.  
Deleting Information in All  
Memory Locations  
1. Press MEM, then SETUP.  
2. Repeatedly press REVIEW s or t un-  
til TOPOFLISTor ENDOFLIST  
appears.  
3. Press DELETE. Clear?ALL?and  
DELappear.  
4. Press DELETE again to confirm de-  
letion. ClearOKappears briefly.  
To exit without deleting all of the  
memory location information, wait  
30 seconds without pressing any  
button.  
24  
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43-1021.fm Page 25 Tuesday, August 17, 1999 9:14 AM  
Using the VIP Call List  
Your phone lets you save up to 20 phone  
numbers in its VIP Call List. Whenever  
someone calls from one of those 20  
numbers, if you subscribe to Caller ID,  
the system sounds distinctive rings after  
the first ring to alert you.  
To place a phone number on the VIP Call  
list, first recall the phone number from a  
memory location, then press SETUP.  
VIP  
appears, marking the phone num-  
ber as a VIP phone number.  
To remove a phone number from the VIP  
Call List, recall the phone number and  
VIP  
press SETUP.  
disappears.  
25  
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43-1021.fm Page 26 Tuesday, August 17, 1999 9:14 AM  
CALLER ID OPERATION  
If you subscribe to Caller ID service from  
your phone company, the ET-521 auto-  
matically displays the information the  
phone company sends between the first  
and second rings of every call you re-  
ceive. It stores up to 99 number only or  
name and number call records in its Call-  
er ID memory.  
If you subscribe to your phone compa-  
ny’s message waiting service, your sys-  
tem informs you when you have a  
message waiting. If the MESSAGE indi-  
cator on the base flashes and  
pears, you have a voice message in your  
mailbox. disappears from the display  
ap-  
after 15 seconds, but the MESSAGE in-  
dicator flashes until you retrieve the mes-  
sage or delete the Caller ID record.  
It also shows the date and time the call  
was received. The display also shows if  
caller information is not available or if the  
number is blocked by the sender (see  
“Caller ID Displays” on Page 27).  
The NEW CALL and MESSAGE indica-  
tors light on the base during an incoming  
call, and the call record and NEWappear  
for 15 seconds, then the display blanks  
out.  
If you subscribe to Call Waiting, the NEW  
CALL and MESSAGE indicators light on  
the base during a call and Callwait-  
ing appears briefly. The Caller ID  
record appears. If you want to answer  
the incoming call, press FLASH. To  
resume the previous phone conversa-  
tion, press FLASH again.  
555-1234  
26  
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43-1021.fm Page 27 Tuesday, August 17, 1999 9:14 AM  
CALLER ID DISPLAYS  
English  
Display — French  
Spanish  
Description  
xxNewCID  
Total=xx  
xxCIDNvx  
xxCIDNuevo  
The first line indicates the number of new calls. The sec-  
ond line shows the total number of Caller ID records in  
memory.  
Nodatasent  
Aucunedonne  
Nohaydatos  
Appears when the Caller ID information was garbled, or if  
there was an error during the transmission.  
Appears if the caller chose to block sending Caller ID in-  
formation. No caller information appears.  
Private  
Confidentiel  
Privado  
Callwaiting  
Appears briefly to indicate incoming call information while  
Appelenattente you are on the phone. The Caller ID information appears.  
Llamadaenespera  
Outofarea  
Horsdezone  
Noarea  
Appears if the caller is not within a Caller ID service area,  
or during operator-assisted calls or calls made with a  
credit card.  
Appears when you review a Caller ID record from some-  
one who has called more than one time from the same  
number.  
R#xx  
REVIEWING CALLER ID  
RECORDS  
REVIEW  
2. Repeatedly press  
s to see  
REVIEW  
older calls or  
recent calls.  
t to see more  
CALL ID xx New CID Total  
appears.  
1. Press  
.
= xx  
3. To see the Caller ID record number  
#
and date/time, press / or / .  
Note: If you do not press a button  
for 15 seconds while you are re-  
viewing Caller ID records, the ET-  
521’s display automatically blanks  
out.  
27  
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43-1021.fm Page 28 Tuesday, August 17, 1999 9:14 AM  
STORING CALLER ID  
RECORDS IN A MEMORY  
LOCATION  
DELETING CALLER ID  
RECORDS  
The ET-521 lets you delete individual  
Caller ID records or all Caller ID records  
at one time.  
CALL ID xx New CID Total  
1. Press  
.
= xx  
appears.  
REVIEW  
2. Repeatedly press  
s or t un-  
Follow these steps to delete a single  
Caller ID record.  
til you see the desired Caller ID  
record.  
CALL ID  
1. Press  
press  
then repeatedly  
MEM  
3. Press  
. PROGappears.  
REVIEW  
s or t until the Caller  
ID record you want to delete  
appears.  
4. If you want to enter a name for the  
SETUP  
displayed number, press  
then enter the name.  
DELETE Clear ?  
and DEL  
2. Press  
.
appear.  
MEM  
5. Press  
, then enter the memory  
location number. The ET-521 beeps  
several times. The stored memory  
location number and Save OK ap-  
pear.  
DELETE  
3. Press  
again.  
Follow these steps to delete all Caller ID  
records.  
CALL ID  
DELETE  
.
1. Press  
then press  
Clear?ALL?and DELappear.  
DIALING NUMBERS FROM  
A CALLER ID RECORD  
DELETE  
2. Press  
. ClearOKappears.  
CALL ID  
REVIEW  
, then press  
1. Press  
s or t until you see the phone num-  
ber you want to dial.  
CALLBACK.  
2. Press  
The ET-521 dials  
the displayed phone number.  
If the phone number’s area code  
does not match the area code you  
stored, the system automatically di-  
als a 1 before dialing the displayed  
area code and 7-digit phone num-  
ber. (See “Setting the Area Code”  
on Page 16.)  
28  
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43-1021.fm Page 29 Tuesday, August 17, 1999 9:14 AM  
Notes:  
• Connecting a headset disconnects  
USING A HEADSET  
You can make or answer calls with  
hands-free convenience using an option-  
the handset’s earpiece and micro-  
phone.  
3
al headset that has a /32-inch (2.5 mm)  
• If you place the handset on the base  
to recharge it while the headset is  
connected, be sure the handset  
seats properly.  
plug. We recommend RadioShack Cat.  
No. 43-194, which is specially designed  
for use with the ET-521.  
To connect the headset, insert the head-  
With a headset connected, you make or  
answer calls as usual using the keys on  
the handset.  
set’s plug into the  
the handset.  
jack on the top of  
RadioShack also sells a handset holder  
(Cat. No. 43-197) which lets you hang  
the handset on your belt for hands-free  
conversation.  
29  
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43-1021.fm Page 30 Tuesday, August 17, 1999 9:14 AM  
TROUBLESHOOTING  
We do not expect you to have any problems with your telephone, but if you do, the  
following suggestions might help.  
Problem  
Suggestion  
The handset does not work.  
Move the handset closer to the base.  
Be sure the phone line cord and AC adapt-  
er are correctly and securely connected.  
Be sure the battery pack is connected and  
charged.  
Fully extend and raise the base’s antenna  
to a vertical position.  
Return the handset to the base for 6 sec-  
onds, then try again.  
Volume drops or you hear unusual  
sounds.  
Someone has picked up another phone on  
the same line. Hang up the other phone.  
Call is noisy.  
Do not place the base near appliances or  
large metal objects.  
Keep the handset away from interference  
sources such as computers, remote con-  
trol toys, wireless alarm systems, wireless  
intercoms and room monitors, fluorescent  
lights, and electrical appliances. If the in-  
terference is severe, turn off the interfering  
device.  
Press CHANNEL to switch to another chan-  
nel.  
Hang up and redial the number.  
Phone dials more than 7 digits when  
dialing a local phone number from a  
Caller ID record.  
Store the local area code (see “Setting the  
Area Code” on Page 16).  
The handset’s range decreases.  
Fully extend and raise the base’s antenna  
to a vertical position.  
Return the handset to the base to re-  
charge the battery pack.  
Be sure the base’s antenna is not touching  
a metal surface.  
30  
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43-1021.fm Page 31 Tuesday, August 17, 1999 9:14 AM  
Problem  
Suggestion  
Receiver sound flutters or fades.  
Be sure the battery pack is charged.  
Fully extend and raise the base’s antenna  
to a vertical position.  
Move the handset closer to the base.  
T/P  
correctly for the type of service you  
have (see “Setting the Dialing Mode” on  
Page 15).  
Can receive calls, but cannot make  
calls.  
Set  
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 ET-521 to your local RadioShack store for assistance.  
31  
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43-1021.fm Page 32 Tuesday, August 17, 1999 9:14 AM  
CARE AND MAINTENANCE  
Your ET-521 25-Channel Cordless Telephone is an example of superior design and  
craftsmanship. The following suggestions will help you care for your phone 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 only in normal temperature environments.  
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 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 performing as it should, take it to your local RadioShack store for assis-  
tance. If the trouble is affecting the phone lines, the phone company might ask you to  
disconnect your phone until you have resolved the problem.  
32  
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43-1021.fm Page 33 Tuesday, August 17, 1999 9:14 AM  
Cautions:  
REPLACING THE  
BATTERY PACK  
You must use a replacement battery  
pack of the same size and type, with  
the proper connector.  
If you follow the instructions in “Connect-  
ing and Charging the Battery Pack” on  
Page 13, the battery pack should last  
about one year. If the battery does not  
hold a charge for more than 2 hours after  
an overnight charge, replace the battery  
with a new 3.6 volt, 300 milliamp battery  
with a connector that fits the socket in the  
battery compartment. You can order a  
replacement battery pack through your  
local RadioShack store.  
• Do not dispose of the battery pack in  
a fire because it might explode.  
• Do not open or mutilate the battery  
pack.  
• Be careful not to short the battery  
pack by touching it with conducting  
materials, such as rings, bracelets,  
and keys. The battery pack or con-  
ductor might overheat and burn.  
Install the new battery pack as described  
below, then charge the battery pack for  
about 15 hours (see “Connecting and  
Charging the Battery Pack” on Page 13).  
If you have trouble replacing the battery  
pack, take the phone to your local Ra-  
dioShack store for assistance.  
Note: To avoid losing information stored  
in memory, try to install and begin charg-  
ing the new battery pack within 2–3 min-  
utes.  
Important: This product contains a re-  
chargeable nickel cadmium battery pack.  
At the end of the battery pack’s useful  
life, it must be recycled or disposed of  
properly. Contact your local, county, or  
state hazardous waste management au-  
thorities for information on recycling or  
disposal programs in your area. Some  
options that might be available are: mu-  
nicipal curb-side collection, drop-off box-  
es at retailers such as your local  
RadioShack store, recycling collection  
centers, and mail-back programs.  
1. Press down and slide off the cover.  
2. Gently pull on the battery pack con-  
nector to disconnect it, then remove  
the battery pack.  
3. Plug the new battery pack’s connec-  
tor into the socket and place the bat-  
tery pack into the compartment.  
4. Replace the cover.  
33  
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43-1021.fm Page 34 Tuesday, August 17, 1999 9:14 AM  
If you cannot eliminate the interference,  
the FCC requires that you stop using  
your phone.  
THE FCC WANTS YOU TO  
KNOW  
In the unlikely event that your phone  
causes problems on the phone line, the  
phone company can temporarily discon-  
tinue your service. If this happens, the  
phone company attempts to notify you in  
advance. If advance notice is not practi-  
cal, the phone company notifies you as  
soon as possible and advises you of your  
right to file a complaint with the FCC.  
Some cordless telephones operate on  
frequencies that may cause interference  
to nearby TVs and VCRs. To minimize or  
prevent such interference, the base of  
the cordless telephone should not be  
placed near or on top of a TV or VCR.  
LIGHTNING  
Also, the phone company can make  
changes to its lines, equipment, opera-  
tions, or procedures that could affect the  
operation of this telephone. The tele-  
phone company notifies you of these  
changes in advance, so you can take the  
necessary steps to prevent interruption  
of your telephone service.  
Your telephone has built-in lightning pro-  
tection to reduce the risk of damage from  
surges in telephone line and power line  
current. This lightning protection meets  
or exceeds FCC requirements. However,  
lightning striking the telephone or power  
lines can damage your telephone.  
Lightning damage is not common. Nev-  
ertheless, if you live an area that has se-  
vere electrical storms, we suggest that  
you unplug your phone during storms to  
reduce the possibility of damage.  
Your phone might cause TV or radio in-  
terference even when it is operating  
properly. To determine whether your  
phone is causing the interference, turn  
off your phone. If the interference goes  
away, your phone is causing the interfer-  
ence. 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  
34  
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43-1021.fm Page 35 Tuesday, August 17, 1999 9:14 AM  
NOTES  
35  
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43-1021.fm Page 36 Tuesday, August 17, 1999 9:14 AM  
Limited One-Year Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workman-  
ship 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, Ra-  
dioShack 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 PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RE-  
SPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY  
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFOR-  
MANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, IN-  
CLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS  
OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDEN-  
TAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE  
POSSIBILITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of in-  
cidental or consequential damages, so the above limitations or exclusions may not apply to you.  
In the event of a product defect during the warranty period, take the product and the RadioShack  
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, un-  
less otherwise provided by law: (a) correct the defect by product repair without charge for parts and  
labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase  
price. All replaced parts and products, and products on which a refund is made, become the prop-  
erty of RadioShack. New or reconditioned parts and products may be used in the performance of  
warranty service. Repaired or replaced parts and products are warranted for the remainder of the  
original 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) damage or failure caused by or attributable to acts of God, abuse,  
accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or  
maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs  
other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as  
fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs  
of product removal, installation, set-up service adjustment or reinstallation.  
This warranty gives you specific legal rights, and you may also have other rights which vary from  
state to state.  
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102  
We Service What We Sell  
3/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
7A8  
Printed in China  
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