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.

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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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