Radio Shack CT-503 User Manual

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17-1112.fmPage 1 Wednesday, July 21, 1999 2:34 PM

Owner’s Manual

Cat. No. 17-1112

CT-503HandheldFlip-Style

Cellular Telephone

with Headset Jack

Please read before using this equipment.

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FEATURES

Your RadioShack CT-503HandheldFlip-StyleCellular Telephone with Headset Jack is astate-of-the-artpersonal cellular telephone. It has all of these features:

Easy-to-ReadTen-CharacterDisplay— bright orange and green LED characters let you see essential call information in almost any lighting condition.

Nine Different Ringer Styles — lets you set the phone’s ringer to help you distinguish your phone’s ring from that of another phone.

Ample Talk and Standby Time — the supplied battery (fully charged) provides about 3 hours of talk time or 40 hours of standby time.

Headset Jack — lets you connect an optional headset or earpiece for easy, handsfree operation.

Two Phone Number Capability — lets you use this one phone with two different cellular services, with a different phone number from each.

Battery and Cellular Signal Strength Meters easy-to- read graduated bar graphs let you quickly check the battery power remaining or the current cellular signal strength.

Call Timers — let you keep track of the individual and cumulative call times(air-time),and includes a timer that you can reset as you wish (so you can track monthly airtime, for example).

©1998 Tandy Corporation. All Rights Reserved.

RadioShack is a registered trademark used by Tandy Corporation.

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Memory Dialing — lets you store up to 40 phone numbers (of up to 32 digits each) in memory and dial any of them by pressing one, two, or three buttons.

Memory Scrolling — lets you rapidly search the memory locations for a number you stored.

Last Number Redial — lets you quickly redial the last number you called.

Scratchpad Memory — lets you temporarily store a number (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 it so calls can be placed only to numbers stored in memory locations01–10.

Special Messaging Service Features — the phone is preprogrammed to work with special (subscription-only) messaging services offered by many cellular carriers, including calling line ID and voice mail notification.

Automatic Answer — lets you set the phone to answer automatically after two rings (if you are using optional handsfree equipment, for example).

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 battery.

Serial Number _______________

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TABLE OF CONTENTS

A Look at Your Phone .......................................................

6

Reading the Display/Indicators ....................................

7

Using the Battery .............................................................

10

Installing the Battery ...................................................

10

Charging the Battery ..................................................

11

Checking Battery Power .............................................

12

Replacing a Battery During a Call ..............................

13

Important Battery Tips ................................................

14

Basic Operation ...............................................................

15

Turning the Phone On/Off ..........................................

15

Signal Strength/Service Area .....................................

15

Making a Call .............................................................

16

Answering a Call ........................................................

18

Adjusting the Volume .................................................

19

Making Emergency Calls ...........................................

20

Redialing Numbers .....................................................

21

Displaying Numbers ...................................................

23

Menu Functions ...............................................................

24

Overview ....................................................................

24

Using the Menu Functions .........................................

27

Using Memory ..................................................................

31

Storing Speed Dial Numbers ......................................

31

One-TouchDialing ......................................................

32

Speed Recall/Dialing ..................................................

32

Memory Scrolling/Dialing ...........................................

33

Changing a Number in Memory .................................

34

Clearing a Memory .....................................................

34

Using Scratchpad Memory .........................................

35

Memory Dialing Tips ..................................................

35

Security Features ............................................................

36

Locking Your Phone ...................................................

36

Using the Service Restriction .....................................

39

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Special Features ..............................................................

40

Using the Messaging Functions .................................

40

Using the Call Timers .................................................

42

Selecting the Active Phone Number ...........................

45

Setting the Cellular System Type ...............................

46

Roaming .....................................................................

49

Using Cellular System PIN Dialing .............................

49

Using the Phone with Handsfree Equipment ..............

51

Using a Headset .........................................................

51

Using Touch-ToneServices ........................................

52

Troubleshooting ...............................................................

54

Safety Information ...........................................................

55

Traffic Safety ..............................................................

55

Operating Environment ...............................................

55

Emergency Calls ........................................................

56

FCC Regulations ........................................................

57

Care and Maintenance .....................................................

58

Specifications ..................................................................

59

Patent Information ......................................................

59

Display Message Glossary .............................................

61

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A LOOK AT YOUR PHONE

1

2

3

4

5

6

7

1.Retractable Antenna

Extend during a call for optimum performance.

2.Earpiece

3.Alphanumeric Display (Ten-CharacterLED)

Displays the status indicators, phone number, memory location number, and message.

4.Alphanumeric Keypad

Enters call information or programs functions.

6

FCN
STO
PWR
VOL

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5. Function Keys

RCL — Recalls a function or numbers stored in memory.

CLR — Removes characters or clears functions.

END— Ends a call or exits the functions menu.

SND — Places or answers calls.

— Increases or decreases the ringer, earpiece, or headset volume levels.

— Selects functions.

— Stores to memory or turns on functions.

— Turns the phone on and off.

6.Headset Jack (side of phone)

7.Flip Cover

READING THE DISPLAY/INDICATORS

Your phone’s display provides a full range of messages and special 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 displays most messages across more than one display. For example, the phone displays EMrgCY CALL then (within about 1 second)On to indicate that the Emergency Call feature is turned on.

Note: When referring to a displayed message, this manual includes the entire message all together (such asEMrgCY CALL On).

A few of your phone’s many indicators are briefly described on the following pages. For a complete listing of display messages and indicators, see “Display Message Glossary” on Page 61.

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Signal Strength Indicator

Indicates the relative strength of the signal being received by your phone. See “Signal Strength/Service Area” on Page 15 .

Battery Charge Indicators

Represent the current voltage level of the battery. See “Checking Battery Power” on Page 12 .

IU (In-Use)Indicator

Flashes when a call is in progress.

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NS (No Service) Indicator

Flashes if the phone is beyond the range of the cellular service area, meaning calls cannot be made or received. See “Signal Strength/Service Area” on Page 15 .

RM (Roam) Indicator

Flashes if the phone is accessing a service area outside of your home system (roaming). See “Roaming” on Page 49 .

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USING THE BATTERY

Warning: A detached battery could cause property damage, injury, or burns if a metal object (such as a pen spring, 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: Batteries must be recycled or disposed of properly. (You can put them in the battery recycling box at your local RadioShack store.) They must not be disposed of in municipal waste.

INSTALLING THE BATTERY

Align Here

Latch

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, be sure the phone is turned off, then press the latch at the top of the battery and slide the battery toward the bottom of the phone until it stops. Then lift the battery off the phone.

Note: If you have an extra charged battery and the currently installed battery 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 13.

CHARGING THE BATTERY

The nickel metal hydride 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 use 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 varies based on the type of battery and the amount of charge left in the battery. See “Recommended Recharging Times” on Page 12.

Follow these steps to charge the supplied (or any approved) battery using the charger supplied with your phone.

1.Install the battery on the phone.

2.Remove the charging jack cover on the bottom of the phone and insert the charger’s flat plug into the charging jack.

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 cord into a standard AC outlet. The battery charge indicator appears.

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Notes:

You can use the phone while it is charging, but charging takes longer.

For fastest charging, be sure the phone is turned off if you are not expecting a call.

4.When the battery is fully charged, disconnect the charger from the AC outlet. Then press in the clips on the sides of the plug and pull it away from the phone to disconnect the charger. Replace the charging jack cover.

Recommended Recharging Times

 

Approximate

Battery Type

Charging Time

 

(Hours)

 

 

 

 

NiCd Slim

21/2

NiCd Slim Extra Capacity

31/4

NiMH High Capacity (supplied)

51/4

NiCd Extra Capacity

51/2

CHECKING BATTERY POWER

The phone displays a graduated set of up to three battery level indicators ( ) when it is turned on. The more indicators that appear, the higher the battery’s current charge level.

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To see a more detailed indication of the battery’s charge level at any time, press FCN GHI 4 . The battery strength meter appears on the display for about 5 seconds. Read this meter in the same way.

When battery power becomes low, the phone displays Lo bAt and sounds a warning tone every few seconds. When power becomes too low for the phone to operate, it automatically turns off. Recharge the battery as soon as possible.

Note: Rechargeable batteries last longer and perform better if occasionally allowed to fully discharge. You can do this by leaving the phone on until the phone 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 low 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 they will hear some noise as you remove the battery and you will call back if for any reason you lose the connection).

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2.Remove the battery, and within 3 seconds, install the fresh battery. Your call is still on the line.

Note: If you do not complete Step 2 within 3 seconds, the call disconnects.

IMPORTANT BATTERY TIPS

Use only the supplied charger and use only batteries designed for this phone.

You can purchase additional standard or extended capacity batteries through your local RadioShack store.

When you are not using the charger, disconnect it from power. Do not leave the battery connected to the charger and AC power 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 serviceable 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 properly 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, flip open the cover then pressPWR . The phone performs a short self test and sounds a tone, the keypad backlight turns on for about 17 seconds, andon appears. The phone is ready to use whenNS (no service) disappears (see “Signal Strength/Service Area”).

Notes:

The keypad backlight turns on for about 15 seconds every time you press a key, then it turns off and all but the green signal strength indicator disappear from the display to conserve battery power. When the phone is locked (see “Locking Your Phone” on Page 36), however, the phone’s display goes completely blank about 15 seconds after you press the last key.

During battery charging, the keypad backlight does not turn off and the display does not change or go blank when the phone is turned on and unlocked.

To turn off the phone, pressPWR again. The display goes blank.

SIGNAL STRENGTH/SERVICE AREA

The phone always displays a green signal strength meter when it is turned on to indicate the strength of the cellular signal currently being received. The more bars that appear on the meter, the stronger the signal.

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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.

When all other display characters disappear to conserve battery power, the signal strength meter flashes and scrolls its bars.

If NS (no service) appears on the upper left side of the display, 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 (on and other indicators appear).

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 mistake, repeatedly press CLR to delete one digit at a time, or hold downCLR to delete all digits.

The phone can display up to 10 characters at once. If you enter (or display a message containing) more than 10 characters, the characters automatically scroll off the left side of the display. Press RCL at any time to recall the overflow characters. See “Any Number Longer Than 10 Digits” on Page 23.

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3.Press SND to call the phone number.IU (in use) flashes anddiALing then the number called appear briefly, thenon reappears.

4.To end the call, press END.

Note: Closing the cover doesnot end or disconnect the call.

System Busy Message

In addition to the normal busy signal you hear when a number you call is busy, your phone sounds tones and displays these messages to indicate that it cannot complete a call.

Tone

You See

Description

 

 

 

 

 

 

Fast Busy

Snd to

The cellular system is

 

rEdiAL

busy.

 

 

 

High/low

Snd to

The cellular system

 

rEdiAL

could not complete the

 

 

call.

 

 

 

When either of these conditions occur, you can press SND again to redial the number immediately (see “Using Automatic Redial” on Page 22), or pressEND then dial the number again.

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ANSWERING A CALL

When the phone receives an incoming call, it rings and CALL flashes on the display. To answer the call, pressSND. To end the call, pressEND.

Notes:

Your phone can receive calls even if the antenna is not extended. For optimum performance or if the signal strength becomes weak, however, extend the antenna.

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 Messages” on Page 41.

If your phone receives a call but the signal strength is too weak to support it, CALL appears and the phone sounds a series of beeps. The caller hears the standard “customer not available” message. If this happens, pressCLR to clearCALL from the display.

Missed Call Message

If your phone is on and receives a call, but you do not answer it, CALL appears on the display for about 15 seconds after the calling party hangs up. The next time you press any key (exceptCLR ,END, orPWR ),CALL reappears for about 15 seconds to notify you that you missed a call.

To clear CALL from the display, pressCLR orEND.

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ADJUSTING THE VOLUME

Adjusting the Earpiece Volume

To increase or decrease the earpiece volume during a call, hold down VOL . As you hold down the key, the volume increases or decreases (depending on the last adjustment you made) and the phone displays the volume meter for about 8 seconds. The more bars that appear on the meter, the higher the volume.

To adjust the volume in the other direction (if the volume is getting louder, for example, and you want it to be softer) release VOL then hold it down again within 8 seconds.

Adjusting the Ringer Volume

To increase or decrease the ringer volume at any time, press FCN then hold downVOL until you hear the desired ring volume. As you hold down the key, the phone sounds a gradually louder or softer ring tone (depending on the last adjustment you made) and displays the volume meter for about 8 seconds. The more bars that appear on the meter, the louder the ringer sounds.

To adjust the volume in the other direction (if the ring tone is getting louder, for example, and you want it to be softer) release VOL then hold it down again within 8 seconds.

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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 FCN MNO6 .MUtE appears.

To turn the microphone on again, press FCN MNO6 again soMUtE disappears.

Hint: To help you remember which key to use, note that “M” (for mute) appears on the MNO6 key.

Note: PressingEND to end a call also turns the microphone back on.

MAKING EMERGENCY CALLS

Your phone is preprogrammed to let you dial your local emergency number (such as 911) at the press of a single button, even if the phone is locked (see “Locking Your Phone” on Page 36). 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 31.

To place an emergency call once you have stored the emergency number, simply hold down 1 for about 1 second. The phone displays EMrgCY and dials the emergency number.

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