Manuals / Radio Shack / Cell Phone / Cell Phone

Radio Shack CT-503 Signal Strength Indicator, Battery Charge Indicators, IU In-Use Indicator

Models: CT-503

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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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Radio Shack CT-503 owner manual Signal Strength Indicator, Battery Charge Indicators, IU In-Use Indicator

Contents

CT-503 Handheld Flip-Style Cellular Telephone Features Fm Page 3 Wednesday, July 21, 1999 234 PM Table of Contents Special Features Troubleshooting Safety InformationCare and Maintenance Specifications Display Message GlossaryLook AT Your Phone Retractable AntennaEarpiece Alphanumeric Display Ten-Character LED Alphanumeric KeypadFlip Cover Reading the DISPLAY/INDICATORSFunction Keys IU In-Use Indicator Signal Strength IndicatorBattery Charge Indicators NS No Service Indicator RM Roam IndicatorUsing the Battery Installing the BatteryCharging the Battery Checking Battery Power Battery Type Charging Time HoursRecommended Recharging Times ApproximateReplacing a Battery During a Call Important Battery Tips Turning the Phone ON/OFF Signal STRENGTH/SERVICE AreaBasic Operation Making a Call System Busy Message Tone You See DescriptionAnswering a Call Missed Call MessageAdjusting the Ringer Volume Adjusting the VolumeAdjusting the Earpiece Volume Using Mute Making Emergency CallsImportant Notes Redialing NumbersRedialing the Last Number Called Using Automatic Redial Any Number Longer Than 10 Digits Displaying NumbersYour Phone Number Turning a Function On/Off Menu FunctionsOverview Function Status Quick-Review Functions List Display Shows Function Description SeeREMInd MSg On orChanging the Ringer Style Using the Menu FunctionsUsing the Call-Time Reminder Tone Using Automatic Answer Disabling the Emergency Display Using Message Reminder Tones Using Memory Storing Speed Dial NumbersONE-TOUCH Dialing Speed RECALL/DIALINGMemory SCROLLING/DIALING Changing a Number in Memory Clearing a MemoryUsing Scratchpad Memory Banking or Other Phone ServicesMemory Dialing Tips Frequently Dialed Area Codes/PrefixesLocking Your Phone Security FeaturesUsing Manual Lock Using Automatic Lock Changing the Lock CodeDisplaying the Lock Code Using the Service Restriction LevelSpecial Features Using the Messaging FunctionsOverview/Receiving Messages You See MeaningViewing/Recalling Messages Using the Call Timers Deleting MessagesDisplaying the Individual Call Timer Using the Resettable Call Timer Displaying the Cumulative Call TimerSelecting the Active Phone Number Phone Cellular System Type Display Shows NumberSetting the Cellular System Type Roaming Mode Description Display Std AbStd bA SCAnDisplaying the Currently Selected System Type Selecting the Cellular System TypeUsing Cellular System PIN Dialing RoamingMaking a Call Using Your PIN Enabling/Disabling PIN DialingUsing the Phone with Handsfree Equipment Using a HeadsetUsing TOUCH-TONE Services Adding a PauseFm Page 53 Wednesday, July 21, 1999 234 PM If the power comes on, but the phone does not work TroubleshootingIf the phone’s power does not come on or stay on Operating Environment Safety InformationTraffic Safety Emergency Calls FCC Regulations Care and Maintenance Specifications Patent InformationFm Page 60 Wednesday, July 21, 1999 234 PM Display Message Glossary SErvice LEvEl 1 orLocCode Loc’dFm Page 63 Wednesday, July 21, 1999 234 PM RadioShack Division of Tandy Corporation