Radio Shack CT-600 User Manual
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Cat. No.
OWNER’S MANUAL
Please read before using this equipment.
CT-600
Lightweight Flip-Style
75-Memory Cellular Phone
17-1105
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FEATURES
Your RadioShack CT-600 Lightweight Flip-Style 75Memory Cellular Phone combines advanced technology with design simplicity. Even though it is
small, the CT-600 provides a full range of features.
Easy-To-Read Di git al Display
— the supe rtwist liquid-crystal display provides essential call information and can be easily read from almost any angle.
Special Cellular Service Features
— the phone is
preprogrammed to work with special (subscriptiononly) messaging services offered by many cellular
carriers, including calling line ID and voice mail notification.
One-Touch Diali ng Memories
— let you dial an im-
portant number at the touch of a single button.
Memory Dialing and Scrolling
— you can store
and rapidly search for up to 75 phone numbers in
memory, and dial any stored number by simply entering its one- or two-digit memory number (1–75).
Last Number Redial
— lets you quickly di splay and
redial any of the last 15 phone numbers dialed.
©
1998 Tandy Corporation.
RadioShack is a trademark used by Tandy Corporation.
All Rights Reserved.
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One-Touch Emergency Dialing — lets you dial the
emergency number preprogrammed into your
phone, by briefly holding down the key.
WXYZ
9
Security Features — to prevent unauthorized
phone use, you can set up to five different levels of
call restrictions (to allow only incoming calls, for example) while still allowing calls to the preprogrammed emergency number.
Scratchpad Me m ory — lets you temporarily stor e a
number (during a call, for example), then easily dial
it or store it in memo ry.
Ample Talk and Standby Time — the suppli ed battery (fully charged) provides about 2 hours of talk
time or 30 hours of stand by time.
Vibration and Silent Alert Modes — let you set the
phone to vibrate gently (instead of ring) when it receives a call, or make no sound or movement at all,
to avoid disturbing others. See “Ringing Options” on
Page 52.
Call Timers — lets you keep track of the individual
and cumulative call times (air time) for each active
number that you can reset at any ti m e. Also includes
a cumulative timer for both active numbers (cannot
be reset).
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Two Phone Number Capa bility — lets you use t his
one phone with two di fferent cellular services, wit h a
different phone num ber for each.
We recommend you record your phone’s Electronic Serial Number (ESN) here. The number is
under the phone’s battery.
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CONTENTS
A Look at the Display ......................................... 8
Preparation ........................................................ 10
Installing the Battery .................................... 10
Important Battery Tips ................................. 10
Charging the Battery .................................... 13
When to Recharge the Battery ............. 14
Discharging Batteries .................................. 15
Basic Operation ................................................ 17
Turning the Phone On and Off .................... 17
Making a Call ............................................... 17
Signal Strength ..................................... 18
Receiving a Call ........................................... 19
Adjusting the Volume ................................... 21
Using Mute .................................................. 21
Making Emergency Calls ............................. 22
Using the Call Log ....................................... 23
Clearing the Call Log ................ .......... .. 25
Turning Automatic Redial On/Off ................. 25
Menu Overview ................................................. 27
Security Features .............................................. 32
Using Your Security Code .......................... . 32
Changing the Lock Code ................. ............ 33
Locking Your Phone .................................... 34
Selecting a Call Restriction Level ................ 35
Restoring Factory Settings .......................... 37
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Turning One-Touch Emergency
Dialing O n /Off ...... ......... ... .......... ......... ... ....... 38
Turning Keyguard On/Off ............................. 38
Cellul a r S ystems ...... ......... ... .......... ......... ... ....... 40
Selecting the Active Phone Number ............ 40
Setting the Cellular System Type ................. 41
Roamin g ...... .......... ... ......... .......... .. .......... ..... 45
Special Phone Services ............................... 46
Calling Li n e ID ......... .......... .. .......... ....... 46
Call Waiting .. .. ... ......... .......... .. .......... ..... 46
Message Waiting .............. ........... ......... 47
Other Se rv ices ...... .......... ... ......... .......... 48
Special Features ................................................ 49
Call Timers ..... .. .......... .......... .. .......... .......... .. 49
Backlight Control .......................................... 50
Keypad Tone s ........ .................. ........... ......... 51
Ringing Options ............................................ 52
Ringing T one ................................................ 53
Ring Volume ................................................. 54
Using Calling Card Dialing ........................... 54
Storing/Clearing a Calling
Card Number ........................................ 54
Usin g a Stored Calling
Card Number ........................................ 57
Using Touch-Tone Services .. .. .......... .......... .. 59
Adding a Pause .................................... 59
Adding a Wait ........................................ 60
Sendi ng Touch-Tones ... .. ... ......... .......... 60
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Data Mode ................................................... 60
PIN Code Dialing ......................................... 62
Reminder Message ......... ........... .......... ....... 64
Changing the Display Language ................. 65
Using Automatic Answer ............................. 65
Turning One-Touch Dialing On/Off .............. 66
Memory Features .............................................. 68
Storing a Number and Name in Memory ..... 68
Using Number Quick Store ................... 70
One-Touch Speed Dialing ............................ 70
Memory Scrolling ......................................... 71
Moving a Number to a Different
Memory Location ......................................... 72
Editing a Stored Name or Number .............. 72
Clearing Memory Locations ......................... 73
Using Scratchpad Memory ................... ....... 74
Accessories ...................................................... 76
Safety Information ............................................ 77
Traffic Safety ............................................... 77
Operating Environment ................................ 77
Emergency Calls ......................................... 79
FCC Regulations ......................................... 80
Trou bleshooting ................... .......... .. ................. 81
Care and Maintenance ...................................... 82
Specifications ................................................... 84
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A LOOK AT THE DISPLAY
AB
ABC
8
Indicates t he type of network selected :
........ .......... .. A system only
A
........ .......... .. B system only
B
.................. Both systems
AB
No Indicator
..... Home area only
See “Setting the Cellular System Type”
on Page 41.
Flashes if the phone is using a Home
type system (not the Home system) or
when the phone is using a “preferred”
network.
This icon does not appear if the phone
is using a non-pre fer red network.
A call is in progress .
Appears when you press to enter
letters.
ABC
See “Storing a Number and Name in
Memory” on Page 68.
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Appears when you have a message
waiting in your voice mailbox (if your
cellular ser vice supports it).
See “Message Wait ing” on Page 47.
Not used on this phone.
188
Indicates the number of a selected
menu or memory function.
See “Menu Overview” on Page 27 or
“Memory Feat ures” on Page 68.
Indicates the cellular signal strength.
The higher the bar, the stronger the signal.
See “Signal Strength” on Page 18.
Indicates the battery charge level. The
higher the bar, the more charge left in
the battery.
See “When to Recharge the Battery ” on
Page 14.
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PREPARATION
INSTALLING THE BATTERY
To install the battery, place
the tabs on the bottom of
the battery into the slots on
the back of the phone (near
the bottom). Then move the
top of the battery towar d the
phone until it locks into
place.
To remove the battery, first
be sure the phone is turned
off. Then gently push down
on the battery’s lat ch and lift
the battery away from the
phone.
IMPORTANT BATTERY TIPS
• You must fully charge a new battery for at least
24 hours before you first use it. See “Charging
the Battery” on Page 13.
• Use only the supplied charger and use only batteries recommended for this phone.
• The battery is a sealed unit with no serviceable
parts. Do not try to open t he case.
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• A new battery’s full performance is achieved
only after two or three complete charge and dis charge cycles.
• When you are not using the charge r, di sconnect
it from power. Do not leave a battery charging
on the charger for more than a week, since
overcharging could shorten the battery’s life.
• If left unused, a fully charged battery discharg-
es itself in about a week.
• When a battery is not in use, store it uncharged
in a cool and dark place.
• You can purchase additional standard or ex-
tended capacity batteries through your local
RadioShack store.
• A battery can be charged and discharged hun-
dreds of times, but it eventually wears out.
When the operating time (talk time and standby
time) is noticeably shor ter than norma l, it is time
to get a new battery.
• Occasionally, allow the battery pack to fully dis-
charge. Otherwise, the battery pack loses its
ability to fully recharge. See “Discharging Batteries” on Page 15.
• Leaving the battery in a hot or cold place, such
as in a closed car in the summer or winter, reduces the battery’s capacity and life. Always try
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to keep the battery between 41° and 95°F (5°
and 35°C). A phone wit h a batter y that is too hot
or too cold might not work, even when the battery is fully charged, until the battery returns to
a normal temperature. Nickel metal hydride
(NiMH) batteries are particularly limited in temperatures bel ow 14° F (–10°C).
• Use the battery only for its inten ded purpose.
• Never use any charger or battery that is damaged or worn out.
• Do not short circuit the battery. Accidental short
circuiting can occur when a metal object (coin,
paper clip, pen, or similar) directly connects the
battery’s + and – terminals (the metal strips on
the back of the battery), such as when you carry a spare battery in your pocket or purse. Short
circuiting the terminals might damage the battery or the object connected to it.
• Do not dispose of batteries in a fire!
12
NiCd
NiMH
Nickel Cadmium and Nickel Metal
Hydride batteries must be recycled
or disposed of properly. They must
not be disposed of in municipal
waste.
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CHARGING THE BATTERY
Once you install the battery on the phone, follow
these steps to charge or recharge the battery using
the supplied charger.
1. Insert the charger’s barrel plug into the jack on
the back of the supplied stand, then set the
phone on the stand with
the phone’s keypad facing out.
Or, to charge the phone
without the stand (so
you can use the phone
while it is charging, for
example), insert the
charger’s barrel plug
into the jack on the bottom of the phone.
2. Connect the charger’s AC plug to a standard
AC outlet. The battery charge indicator bar appears and begins to scro ll .
Notes:
• For the fastest charging, be sure the phone
is turned off during charging.
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• If you use the phone while it is charging,
charging takes longer.
• If the battery is too hot or cold, charging
stops until the battery temperature returns to
normal.
• With a new or comp let ely discharged battery,
the phone may take up to 45 minutes to
show that chargi ng is i n progress.
3. The battery indicator bar stops scrolling when
the battery is fully charged. Remove the phone
from the charging stand or disconnect the
charger from the AC outlet and the phone.
Using the supplied battery (fully charged), you have
about 2 hours of talk time or 30 hours of standby
time.
When to Recharge th e B attery
Your phone displays th e battery charge bar whenever the phone is on to keep you informed about the
battery’s power level. The higher the bar, the more
power left in the battery.
You can recharge the battery (as described in
“Charging the Battery” on Page 13) at any time.
However, when your phone gi ves you these l ow bat-
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tery indications, recharge the battery as soon as
possible:
• When only a few minutes of talk time remain,
the phone sounds a warning tone and displays
BATTERY LOW
at regular intervals.
• When the battery charge level is too low for the
phone to operate, the phone displays
CHARGE
BATTERY
and sounds a warning
RE-
tone. The phone automatically turns off about
10 seconds later.
Note: The phone does
not
sound low battery warning tones if silent service or vibrate is selected (see
“Ringing Option s” on Page52).
DISCHARGING BATTERIES
Rechargeable batteries last longer and perform better if occasionally allowed to fully discharge. Your
phone reminds you to discharge the battery with a
series of battery advice messages, such as
and
LOW
TERY
OK
, or to page through the information, or press
CLR
to clear the message s.
RECHARGE BATTERY
BAT-
. Press ,
You can discharge the battery by leaving the phone
on until the phone automatically turns off or you can
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use the battery discharge feature of any approved
accessory available for your phone.
To fully discharge the battery, wait at least 30 minutes after the phone turns off before you connect it
to the charger.
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BASIC OPERATION
TURNING THE PHONE ON AND
OFF
Note:
Extend the antenna fully during a call. Avoid
unnecessary contact with the antenna when the
phone is turned on.
The phone must be turned on before you can make
or answer calls. To turn on the phone, hold down
PWR
(below and to the bottom left of the display) until
the phone beeps. The phone performs a short selftest, then it briefly displays the active phone number
(see “Selecting the Active Phone Number” on
Page 40). The phone is ready to use when the signal strength and battery charge bars appear.
PWR
To turn off the phone, hold down
beeps.
until the phone
MAKING A CALL
1. Open the flip cover. Use the number keys to enter the phone number you want to dial. Include
the area code, if necessary.
Note:
If you make a mistake, repeatedly press
CLR
to delete digits one at a time, or hold down
CLR
to clear all digits.
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2. Press to dial the phone number. The
SEND
phone displays t he num ber and . When the
number disappears and
appears, your
CALL
call has been connected.
Notes:
•
PIN CALL
appears if PIN code dialing is set
to ON (see “PIN Code Dialing” on Page 62).
Press again after you hear the prompt
SEND
to send your PIN code and complete the call.
•
NO SERVICE
appears and the phone beeps
if you are outside the cellular service area.
See “Signal Strength” below.
•
CALL NOT ALLOWED
briefly appears if you
try to make a restricted call (see “Selecting a
Call Restriction Level” on Page 35), or if the
phone is locked (see “Locking Your Phone”
on Pa ge 34) .
3. To end the call, press .
END
Signal Strength
A cellular phone sends and receives radio signals.
As with all radio equipment, the quality of reception
depends on the strength of the signal in the area
where you are operating your phone.
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PWR
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The vertical bar on the l eft of your phone’s
display shows the strength of the cellular
signal your phone is receiving. The higher
the bar, the stronger the signal.
If the signal strength is low, try moving to
a different location. If you are using the
phone in a building, try moving closer to a
window.
If
NO SERVICE
appears, your phone is outside the
cellular service area. This means you cannot make
or receive calls until you move the phone back into
the cellular service area.
RECEIVING A CALL
When your phone receives an incoming call, it rings
(or vibrates if a vibrating battery is installed and vibrate is selected) and flashes
call, press any key except
or
phone from ringi ng without ans weri ng the call imm ediately, press , then press when you
END
are ready to answer the call.
Notes:
• After the first ring, if you subscribe to calling line
ID service through your cellular carrier (see
. To answer a
CALL
END
SEND
. To stop the
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“Calling Line ID” on Page 46), the phone automatically displays the calling party’s phone
number or, if it is programmed into your phone,
the calling party’ s name (see “Sto ring a Number
and Name in Memory” on Page 68).
• If you selected silent service (see “Ringing Options” on Page 52), the phone does not ring. Instead, the keypad and display backlights flash,
flashes on the display (or caller informa-
CALL
tion appears) , and the phone beeps once.
• If keyguard is set to ON (see “Turning Keyguard
On/Off” on Page 38), you can answer a call
only by pressing .
SEND
To end the call, press . To clear calling line ID
information (if any) from the display, press .
If you do not answer a call, the phone displays
MISSED
CALLS
END
CLR
NN
(where NN is the number of cal ls)
and stores the caller’s number (if available) in the
missed calls list. To review the missed calls list,
press then press or to scroll through the
numbers. Or, press any other key (except ) to
OK
PWR
clear the display. See “Using the Call Log” on
Page 23.
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Hint: To quickly store the displayed caller’s number
(if available) into the first empty speed-dial memory,
press twice (see “Using Number Quick Store”
OK
on Page 70).
ADJUSTING THE VOLUME
To increase or decrease the earpiece volum e during
a call, press (to increase) or (to decrease).
Your phone displays
VOLUME
tal bar indicating the vol-
and a horizon-
VOLUME
ume level. The more
filled bar segments, the
higher the volume.
USING MUTE
To turn off the phone’s microphone during a call so
the other party on the phone cannot hear you (so
you can talk privately with someone else in the
room, for example), press
to select
and press .
MUTE
To turn on the microphone again, press
OK
ly then press
.
MUTE OFF
briefly. Use or
MENU
OK
MUTED
appears.
appears.
brief-
MENU
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Note: Pressing to end a call also turns the mi-
END
crophone back on.
MAKING EMERGENCY CALLS
The primary local emergency number (such as 911)
is programmed into your phone a t t he time of activation. To prevent unwanted emergency calls, however, your phone’s one-touch emergency dialing
feature is preset to OFF. To set it to ON, see “Turning One-Touch Emergency Dialing On/Off” on
Page 38.
To quickly dial the emergency number
emergency dialing is set to ON), hold down
until the phone displays
.
CALL
CY
ATTEMPTING EMERGEN-
Notes:
• The emergency number programmed into your
phone might not be valid in all areas. (For example, not all areas have 911 service.) If you
use the phone outside its primary service area,
you might have to manually dial an emergency
number if it is different from the one programmed into your phone.
(if one-touch
WXYZ
9
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• One-touch emergency dialing does not operate
if keyguard i s turned on ( see “Turning Keyguard
On/Off” on Page 38) or if one-touch emergency
dialing is turned off.
Important: When you make an emergency call,
give your name and cellular phone number, as well
as the location of the incident. Remember that your
phone might be the only means of communication at
the accident scene. Do not end the call until you ar e
advised you may do so.
USING THE CALL LOG
Your phone automatically stores the last fifteen
numbers you dialed. And, if you have calling line ID,
it also stores the phone numbers of the last 15 calls
received and the last 15 cal ls missed.
Follow these steps to view the Call Log.
1. Press
LOG
2. Press when the list you want to view ap-
MENU
then or until you see
. Press .
OK
OK
CALL
pears.
Select
DIALED CALLS
to view the phone
numbers you have dialed.
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Select
RECEIVED CALLS
to view the phone
numbers of the calls you received.
Select
MISSED CALLS
to view the phone
numbers of the calls you missed.
3. Press or to scroll through the numbers.
Notes:
•
NO NUMBERS
appears if the selected list is
empty.
• If a number matches a number in one of the
memory locations, the name associated with
the phone number appears.
To dial a displayed number
To quickly redial a number
the display then press . The phone displays
, simply press .
, hold down to clear
SEND
SEND
CLR
the last number dialed. Repeated ly press or to
scroll through the last 15 numbers dialed. When the
number you want to redial appears, press
SEND
again.
Hint: To quickl y store a number into the first empty
speed-dial memory, recall that number, then press
OK
twice (see “Using Number Quick Store” on
Page 70).
24
OKOKCLR
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Clearing the Call Log
Follow these st eps to clear all numbers in the Dial ed
Calls, Received Calls, and Missed Calls lists from
your phone.
MENU
1. Press
LOG
2. Press or until you see
CENT
3. The phone prompts
then or until you see
. Press .
OK
, press again.
CALLS
ARE YOU SURE?
CALL
ERASE ALL RE-
. Press
to erase, or press to exit without eras-
ing.
TURNING AUTOMATIC REDIAL
ON/OFF
Sometimes the cellular network is busy and your call
does not go through. You get a
message and are asked to redial . If Automatic Redial is set to On, the phone automatically tries 3 more
times to connect the call. If the call connects, the
phone beeps to notify you.
SYSTEM BUSY...
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Follow these steps to view and change the current
setting.
1. Press then or until you see
2. Press or until you see
3. Press or to move the pointer to
MENU
SETTINGS
. Press .
OK
AUTOMATIC RE-
and the current setting. Press if you
DIAL
want to change it or to exit.
. Press .
Off
OK
CLR
PHONE
OK
On
or
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MENU OVERVIEW
This section lists your phone’s menu functions, the
shortcut keys (if any) you can use to access the
functions, and the pages in this manual where you
can find full descri ptions of the functions.
To select a specific menu function
, press that func-
tion’s shortcut keys (if any).
To scroll forward or backward through all menu
functions
, press then (forward) or (back-
ward). Press to select a displayed functi on.
You See Shortcut/Description
PHONE
MENU
OK
Memory storage and recal l
See
Pg.
—
BOOK
MENU
Name:
1 1
71
Find name.
Name:
MENU
ABC
1
2
68
Save name and number
One by one
Erase all
N% OF
MEMORY
AVAILABLE
MENU
1
Erase fr o m ph on e b oo k
MENU
1
% memory available
GHI
4
JKL
5
73
—
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