Radio Shack CT-502 User Manual
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Owner’s Manual
CT-502 Flip-Style Handheld
Cellular Telephone
with Silent Vibrating Alert
Please read before using this equipment.
Cat. No. 17-1111
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FEATURES
Your RadioShack CT-502 Flip-Style Handheld Cellular Telephone with Silent Vibrating Alert is a state-of-the-art personal
cellular tel ephone. It has all of these features:
Special Messaging Service Features — the phone is preprogrammed t o work with special (subscription-only) messaging services offered by many cellular carriers, including
calling line ID, voice mail notification, and short (alphanumeric) messages.
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.
Nine Different Ringer Styl es — let you set the phone’s ringer to help you distinguish your phone’s ring from that of another phone.
Easy-to-Read Seven-Character Display — bright red LED
characters let you see essential call information in almost any
lighting condition.
Call Tim er s — let you keep track of th e indi vidual and cumulative c all time (air-time), and i ncludes a timer that you can reset as you wish (so you can track monthly airtime, for
example).
Speed/Memory Dialing — lets you store up to 50 phone
numbers (of up to 32 digits each) and names (of up to 14
characters eac h) in memory and dial any of them by pressing
one or two buttons.
Memory Scrolling — lets you rapidly search the memory locations for a number you stored.
©
1997 Tandy Corporation.
RadioShack is a registered trademark used by Tandy Corporation.
All Rights Reserved.
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Last Number Redial — lets you quickly review and redial
any of the last 10 numbers that you called.
Scratchpad Memory — lets you temporarily store a num ber
(even during a call), then easily dial it.
Security Features — to prevent unauthorized phone use,
you can lock the phone (so it cannot be used at all) or set up
to five different levels of service restrictions (so only local
calls can be made, for examp le).
Multiple Key Answer — lets you set the phone so pressing
one of several keys answers a call.
Ample Talk and Standby Time — the supplied battery provides about 85 minutes of talk time or 24 hours of standby
time, when fully charged.
Battery and Cellular Signal Strength Meters — easy-toread graduated bar graphs let you quickly check the battery
power remaining or the current cellular signal strength.
Automatic Answer — lets you set the phone to answer automatically after two rings (if you are using optional handsfree
equipment, for exa mp le) .
Two Phone Number Capability — lets you use this one
phone with two different cellular services, with a different
phone number from each.
Handsfree Feature — the phone is preprogrammed to work
with most optional handsfree equipment.
We recommend you record your phone’s Electronic Serial
Number (ESN) here. The number is on the back of the
handset under the bat tery.
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TABLE OF CONTENTS
A Look at Y our Phone ................ .. .......... .. .................... .. ... 6
Reading the Status Indicators ...................................... 7
Reading the Display ..................................................... 8
Using the Battery ............................................................... 9
Installing the Battery ..................................................... 9
Charging the Battery .................................................. 10
Checking Battery Power ............................................. 11
Replacing a Battery During a Call .............................. 12
Important Battery Tips ................................................ 13
Basic Operation ............................................................... 14
Turning the Phone On/Off .......................... ................ 14
Signal Strength/Service Area ................... .................. 14
Making a Call ............................................................. 15
Answering a Call ........................................................ 16
Adjusting the Volume ................................................. 18
Making Emergency Calls ........................................... 19
Redialing Numbers ..................................................... 20
Displa y in g N u mb e rs ..... ... ................. .......... ................ 21
Menu Functions ............ ............................... .. .......... .. ...... 22
Overv ie w .......... .......... ................. .......... ................. .... 22
Using the Menu Functions ......................................... 26
Using Memory .................................................................. 36
Storing Speed Dial Numbers ...................................... 36
One-Touch Dialing ...................................................... 39
Speed Recall/Dialing .................................................. 39
Memory Scrolling/Dialing ........................................... 40
Changing Information in a Memory Location ............. 42
Cleari ng a Me m o ry ..... .......... ......... .................. ......... .. 43
Using Sc ra tc hpad Mem o ry ............ .......... .......... ......... 44
Memory Dialing Tips .................................................. 44
Security Features ............................................................ 45
Locking Your Phone ............................ ....................... 45
Using Service Restrictions ......................................... 48
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Other Features ................................................................. 50
Using the Messaging Functions ................................. 50
Using the Phone with Handsfree Equipment .............. 52
Using the Call Timers ................................................. 53
Selecting the Active Phone Number ............. .............. 55
Setting the Cellular System Type ............................... 56
Roaming ..................................................................... 59
Using Cellular System PIN Dialing ............................. 59
Using Touch-Tone Services .............. ................... ....... 61
Calling Card Dialing .................................................... 62
Resetting the Phone .................. .. .. .......... .. .......... .. .......... 64
Using Master Reset .................................................... 64
Using Master Clear ..................................................... 65
Trou bleshooting ................. .. .................... .. .................... .. 66
Safety Information ........................................................... 67
Traffic Safety .............................................................. 67
Operating Environment ............................................... 67
Emergency Calls ........................................................ 68
FCC Regulations ........................................................ 69
Care and Maintenance ..................................................... 70
Specifications .................................................................. 71
Patent Information ...................................................... 71
Display Message Glossary ...... .......... ................... .......... 73
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A LOOK AT YOUR PHONE
1
2
8
4
5
Retractable Antenna
1.
ALPHA NUMERIC
3
6
7
Extend during a call for optimum performance.
2. Earpiece
Status Indicators
3.
(See “Reading the St atus Indicators” on Page 7.)
Alphanumeric Display (Seven-Character LED)
4.
Displays the phone number, name, memory location
number, or message.
Alphanumeric Keypad
5.
Enters call information or programs functions.
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6. Function Keys
RCL
— Recalls num bers stored in memory.
CLR
— Removes characters or clears functions .
END
— Ends a call or exits the funct ions menu.
SND
— Places or answers call s.
NAME
MENU
— Accesses the memory or functions menu.
FCN
— Selects functions.
STO
— Stores to memory; tur ns on functions.
PWR
— Turns the phone on and off.
7. Flip Cover
8. Volume Controls
Press to increase or decrease the ringer or earpiece
(during a call) volume levels.
READING THE STATUS INDICATORS
Power/Lock Indicator
•
Flashes slowly
when the
phone is on and in service.
•
Lights steadily
when the
phone is locked.
InUse Indicator
Flashes when a call is in progress.
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NoSvc (No Service) Indicator
Flashes or lights steadily if the
phone is beyond the range of the
cellular service area, meaning
calls cannot be made or received.
vice Area” on Page 14
See “Signal St rength/Ser-
.
Roam Indicator
Flashes or lights steadily if the
phone is accessing a service
area outside of your home system (roaming).
Page 59
See “Roaming” on
.
READING THE DISPLAY
Your phone’s di splay provides a full range of messages and
indicators to assist you with the phone’s operation. Since
many of these messages contain more characters than your
phone can display at one time, the phone displ ays m ost messages across more than one display. For example, the phone
displays
dicate that the signal meter display feature is turned on.
Note
cludes the entire message (such as
For a complete listing of display messages and indicators,
see “Display Message Glossary” on Page 73.
8
Signal
: When referring to a display ed message , this manual in-
then (within about 1 second)
Signal Mtr On
Mtr On
to in-
).
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USING THE BATTERY
Warning:
injury, or burns if a metal object (such as a pen spr ing, beaded chain, or piece of jewelry) contacts the battery’s terminals
and causes a short circuit. Be careful when placing a charged
battery inside a coat pocket, purse, or other container that
might contain metal objects.
Caution:
cycled or disposed of properly. They must not be disposed of
in municipal waste.
A detached battery could cause property damage,
Nickel metal-hydride (NiMH) batteries must be re-
INSTALLING THE BATTERY
Latch
Align Here
1. Place the battery flat against the back of the phone and
align the top of the battery below the raised arrows.
2. Slide the battery toward the top of the phone until it
snaps into place.
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To remove the battery
press the l atch at the top of the battery and slide the battery
toward the bot tom of the phone until it stops. Then lift t he battery off the phone.
Note: If you have an extra char ged battery and the currently
installed batt ery becomes low during a call, you can change
the battery without ending the call or losing the connection.
See “Replacing a Battery During a Call” on Page 12.
, be sure t he phone is turned off, then
CHARGING THE BATTERY
The nickel metal-hydride (NiMH) battery supplied with your
telephone is shipped in a discharged state to extend the battery’s life. It must be fully charged before you can us e your
phone.
We recommend that you charge a new battery overnight, but
no longer than 24 hours, using the AC charger supplied with
your phone. Recharging time for the supplied battery is about
3 hours, although the time varies based on the amount of
charge left in the battery. For the recharging time of any other
battery type , see t he instructions provided with that battery.
Follow these steps to charge the supplied (or any approved)
battery using the charger supplied wit h your phone.
1. Install the batt ery on the phone.
2. Insert the charger’s flat plug into the charging jack on the
bottom of t he phone.
Note: The plug fits into the jack only one way. If you
have difficulty inserting the plug, turn it over and try
again. Do not force it !
3. Plug the charger’s power cor d into a standard AC outlet .
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Notes:
• You can use the phone while it is charging, but charging takes longer.
• For the fastest charging, be sure the phone is turned
off during cha rgi ng, if you are not expecting a call.
• If the phone is on when you connect the charger, the
phone beeps once and the keypad backlight remains
on until you disconnect the charger.
4. When the battery i s fully charged, disconnect the ch arger
from the AC outlet. Then press in the clips on the sides
of the plug and pull i t away from the phone to disconnect
the charger.
CHECKING BATTERY POWER
When battery power becomes low, the phone displays
and sounds a warning tone every few seconds. When
Bat
Low
power becomes too low for the phone to operate, it automat ically turns off. Recharge the battery as soon as possible.
To check the battery’s charge level at any time, press
GHI
4
. The battery strength meter appears on the display for
FCN
about 5 seconds. The more bars that appear on the meter,
the higher the battery’s current charge level. If few or no bars
appear, the battery’s power is low.
Notes:
FCN
GHI
• If you press while the phone is charging, the
phone flashes
4
Chrging Battery
for about 5 seconds
instead of the battery strengt h meter.
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Note: Rechargeable batteries last longer and perform better
if occasionally allowed to fully discharge. You can do this by
leaving the p hone on until it automatically turns off or you can
use the battery discharge feature of any approved accessory
available for your phone. Do not try to discharge the battery
by any other means.
REPLACING A BATTERY
DURING A CALL
If you have an extra charged battery and the currently installed battery becomes l ow during a call, follow these steps
to change the battery without ending the call or losing the
connection.
1. Tell the other party on the line what you plan to do (tell
them, for example, that t hey will hear some noise as you
remove the battery and you will call back if for any reason you lose the connect ion).
2. Remove the battery, and within 3 seconds, install the
fresh battery. Your call is still on the l ine.
Note: If you do not complete Step 2 within 3 seconds,
the call disconnects.
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IMPORTANT BATTERY TIPS
• Use only the supplied charger and use only batteries
designed for this phone.
• You can purchase additional standard or extended
capacity batt eri es through your local Radi oShack store.
• When you are not using the charger, disconnect it from
power. Do not leave the battery connected to the charger
for more than 24 hours, since overcharging could
shorten the battery’s life.
• When the battery is not in use, store it uncharged in a
cool and dark place.
• The battery is a sealed unit with no s erviceable parts. Do
not try to open the case.
• For the best results, be sure the battery is at or near
room temperature when you charge it.
• A battery can be charged and discharged hundreds of
times, but it eventually wears out. When the operating
time (talk time and standby time) is noticeably shorter
than normal, get a new battery and recycle or pr operly
dispose of the old one.
• Do not dispose of batteries in a fire.
• Never use any charger or battery that is damaged or
worn out.
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BASIC OPERATION
TURNING THE PHONE ON/OFF
To turn on the phone
The phone performs a short self test and sounds a tone or vibrates (see “Changing the Alert Type” on Page 29), then the
signal strength meter appears (see “Signal Strength/Service
Area”) and the keypad backlight turns on for about 16 seconds. The phone is ready to use when the green power/lock
indicator begins to flash.
Notes:
every time you press a key, then it turns off and the display
goes blank to conserve battery power.
The keypad backlight turns on for about 16 seconds
To turn off the phone
blank and the green on/ lock indicator tu rns off.
, flip down the cover then press .
, press again. The display goes
PWR
PWR
SIGNAL STRENGTH/SERVICE AREA
Each time you turn on the phone, clear the display, or make a
call, the signal strength meter appears on the display to indicate the strength of the cellular signal currently being received. The more bar s that appear on the mete r, the stronger
the signal.
Notes:
• If few or no bars appear (meaning the signal strength is
weak) and you want to make or receive a call, move the
phone to a different location so the signal strength
increases.
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• You can disable the signal strength meter so it does not
appear. See “Turning the Signal Strength Meter Off/On”
on Page 26.
If the NoSvc indicator (above the display) turns on, the phone
is outside the cellular service area and you cannot make or
receive calls until you reach an area with service your phone
can use.
MAKING A CALL
1. Extend the antenna, flip open the cover, and be sure the
phone is on (the green power/l ock indicator is flashing).
2. Press the number keys to enter the phone number you
want to dial (including the area code, if necessary). The
numbers appear on the display as you press them.
Notes:
• If you make a m istake, r epeatedly pres s to delete
one digit at a time, or hold down to delete all digits.
• The phone can display up to 7 characters at once. If
you enter (or display a message containing) more
than 7 characters, the characters automatically scroll
off the left side of the display. Press at any time
to recall the overflow characters. See “A Number
Longer than Seven Digits” on Page 21.
3. Press to dial the phone number. The InUse indica-
SND
tor flashes and the phone briefly displays
then the number calle d, t hen the signal strengt h meter.
4. To end the call, press .
END
CLR
CLR
RCL
Dialing
Note
: Closing the cover does
not
end or disconnect a call.
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System Busy Messag e
In addition to the normal busy signal you hear when a number you call is busy, your phone sounds tones and displays a
message to indicat e other situations when it cannot complete
a call.
T one Display Shows Description
Fast Busy
SND to
Redial
High/low
SND to
Redial
When either of these conditions occur, you can pr ess
again to redial the number im mediately (see “Using Aut omatic Redial” on Page 20), or press then dial the number
again.
The cellular system is
busy.
The cellular system
could not com plet e the
call.
SND
END
ANSWERING A CALL
When the phone receives an incoming c all, it ri ngs or vibrates
(depending on the alert setting — see “Changing the Alert
Type” on Page 29) and
swer the call, press . To end the call, press .
Notes:
• Your phone can receive calls even if the ant enna is not
extended. For optimum performance or if the signal
strength becomes weak, however , extend the antenna.
SND
flashes on the display. To an-
Call
END
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CLR
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• To set your phone so you can answer a call by pressing
keys other than just , see “Using Multiple Key
SND
Answer” on Page 32.
• If you subscribe to calling line ID service through your
cellular carrier, you can view the calling party’s phone
number on the phone’s display. See “Viewing/Recalling
Mes s a ges” o n P a ge 51.
• If your phone receives a call but the signal st rength is too
weak to support it,
appears as usual, but you hear
Call
the phone sound a series of beeps (rat her than ringing or
vibrating). The caller hears the standard “not in service”
message. If this happens, pre ss to cle ar
Call
from
the display.
Missed Call Message
If your phone i s on and receives a call, but you do not answer
it,
the calling party hangs up. The next time you press any key
(except , , or ),
seconds to notify you that you missed a call.
appears on the display for about 15 seconds after
Call
CLR
END
PWR
reappears for about 15
Call
To clear
from the display, press or .
Call
CLR
END
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ADJUSTING THE VOLUME
Adjusting the Earpiece Volume
To increase or decrease the earpiece volume dur ing a call,
repeatedly press the top (increase) or bottom (decrease) volume button on the side of the phone. Each time you press the
button, the volume meter appears on t he display for about 8
seconds. The more bars that appear on the meter, the higher
the earpiece vol um e.
Adjusting the Ringer Volume
To increase or decrease the phone’s ringer volume
phone is not in use, press then repeatedly press the top
FCN
, when the
(increase) or bottom (decrease) volume button on the side of
the phone. Each time you press the button, the phone rings
once and displays the volume meter for about 8 seconds.
The more bar s that appear on the meter, the higher the ringer
volume sounds.
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 tal k privately
with someone else in the room, for example), press
MNO
6
.
appears.
Mute
18
FCN
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MNO
FCN
To turn the microphone on again, press again so
disappears.
Mute
6
Hint: To help you remember which key to use, note that “M”
MNO
(for mute) appears on the key.
6
Note: Pressing to end a call also turns the microphone
END
back on.
MAKING EMERGENCY CALLS
Your phone is preprogrammed to let you dial your local emer gency number (such as 911) at the press of a single button,
even if the phone is locked (see “Locking Your Phone” on
Page 45). Before you can use this feature, however, you
must first program the emergency number you want to use in
memory location 01 of your phone. See “Storing Speed Dial
Numbers” on Page 36.
To place an emergency call
gency number, simply hold down for about 1 second.
Emergcy
appears and the phone dials the emergency num-
ber.
Important Notes:
• If one-touch dialing is turned off (see “Turning One-
Touch Dialing Off/On” on Page 32), you
emergency calls using the key.
• When you make an emergency call, give your name and
cellular phone num ber, 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 are advised you may do so.
once you have stored the emer-
cannot
make
1
19
#
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•
Emergcy
does not appear if the emergency display
function is turned off (see “Turning the Emergency Display Off/On” on Page 33).
REDIALING NUMBERS
Using Last T en Number Redial
Your phone constantly stores the last 10 phone numbers you
called. To recall and redial one of those 10 numbers, follow
these steps.
RCL
OPER 0OPER
1. Press .
recent number called flash on the display.
2. To scroll through the last 10 numbers cal led (
and so on), repeatedly press to scroll forward or
to scroll backward.
3. To redial a displayed number, press .
To exit without redialing a number and clear the display,
hold down for about 1 second.
Using Automatic Redial
To automatically redial a number when you get the cellular
system busy signal (when
SND
so
Redial
the number at regul ar intervals for up to 4 minutes or until the
call goes through.
0
(location 0) and the most
L0’
L0’, L1’
SND
CLR
Snd to Redial
appears. The phone automatically redials
appears), press
,
If the call goes throug h, the phone rings onc e (or vibr ates, depending on the alert setting) to alert you. Simply begi n your
conversation as usual when the other party answers.
20
#
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If the call cannot be completed within 4 min utes (and
Redial
the redial cycle or to end the call.
appears again), you can press again to repeat
END
SND
Snd to
DISPLAYING NUMBERS
Your Phone Number
To display your phone number at any time (even while a call
RCL
RCL
#
is in progress), simply press .
Notes
:
• If you have two phone numbers programmed into your
phone (see “Selecting the Active Phone Number” on
Page 55), pressing displays the currently
active phone number.
• Unless you selected the silent scratchpad function (see
“Using Silent Scratchpad” on Page 27), the other party
on the line hears tones if you press these or any other
keys on your phone during a call.
A Number Longer than Seven Digits
You can enter and dial phone numbers of up to 32 digits;
however, the phone can display only 7 digits at onc e.
To review the overflow digits of a number 8–10 digits long,
RCL
press once. Or, if the number is longer than 10 digits,
RCL
press twice. The phone displays the overflow digits (first
to last), up to 7 digits at a time.
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END
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MENU FUNCTIONS
OVERVIEW
Turning a Function On/Off
Follow these steps to turn any of your phone’s special functions on or off. For a complete description of any function,
see the section that descr ibes that function. The page numbers of each of the sections are listed in “Menu Functions
List” on Page 24.
NAME
FCN
1. Press to access the functions menu. The fi rst
function’s name and its cur rent status (
on the display.
2. To select a different function, repeatedly press to
scroll forward or to scroll backward through the
menu until that function appears.
3. Press to t urn the function on or t o turn the function off.
Note:
and status, the phone alternately displays
then
CLR-off
press.
4. To select and turn a nother function on/off, r epeat Steps 2
and 3.
To exit the functions menu, press .
MENU
STO CLR
On
or
Off
) flash
#
A few seconds after you display the function name
STO-On
as a prompt to remind you what key to
22
#
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Function Status Quick-Review
Several commonly used functions on your phone (such as
the message reminder tone and emergency dialing) are preset to “on” so you can begin using them immediately; however, you can t urn any function on or off. Follow these steps to
quickly review the nam es of those functions for which t he preset (default) status has been changed.
Notes
:
• You can set all functions back to their default setting at
one time. See “Using Mast er Reset” on Page 64.
• If all functions are set to their default setting, only the
current cellular system type setting (such as
Scan AB
) appears.
• If your phone is set to use the home cellular system type
(see “Setting the Cellular System Type” on Page 56),
always appears as one of the settings during a
Home
quick-review.
Home
or
FCN
OPER
1. Press
0
changed functi on (such as
WXY
RCL
9
. The abbreviation for t he first
Signal Mtr Off
for “signal
meter off”) appears on the display.
Note:
For a complete list of all functions and their default
settings, see “Menu Functi ons List” on Page 24.
2. Repeatedly press or to scroll forward or
backward through the abbreviations for all other
changed functions (if any).
3. The phone automatically exits the quick-review about 8
seconds after you last press a key. To exit sooner, press
END
.
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