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Radio Shack CT-503 owner manual NS No Service Indicator, RM Roam Indicator

Models: CT-503

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NS (No Service) Indicator

Flashes if the phone is beyond the range of the cellular ser- vice 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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Radio Shack CT-503 owner manual NS No Service Indicator, RM Roam Indicator

Contents

CT-503 Handheld Flip-Style Cellular Telephone Features Fm Page 3 Wednesday, July 21, 1999 234 PM Table of Contents Troubleshooting Safety Information Special FeaturesCare and Maintenance Specifications Display Message Glossary Retractable Antenna Look AT Your PhoneEarpiece Alphanumeric Display Ten-Character LED Alphanumeric Keypad Reading the DISPLAY/INDICATORS Function KeysFlip Cover Signal Strength Indicator Battery Charge IndicatorsIU In-Use Indicator RM Roam Indicator NS No Service Indicator Installing the Battery Using the Battery Charging the Battery Battery Type Charging Time Hours Checking Battery PowerRecommended Recharging Times Approximate Replacing a Battery During a Call Important Battery Tips Signal STRENGTH/SERVICE Area Basic OperationTurning the Phone ON/OFF Making a Call Tone You See Description System Busy Message Missed Call Message Answering a Call Adjusting the Volume Adjusting the Earpiece VolumeAdjusting the Ringer Volume Making Emergency Calls Using Mute Redialing Numbers Redialing the Last Number CalledImportant Notes Using Automatic Redial Displaying Numbers Your Phone NumberAny Number Longer Than 10 Digits Menu Functions OverviewTurning a Function On/Off Function Status Quick-Review Display Shows Function Description See Functions ListREMInd MSg On or Using the Menu Functions Using the Call-Time Reminder ToneChanging the Ringer Style Using Automatic Answer Disabling the Emergency Display Using Message Reminder Tones Storing Speed Dial Numbers Using Memory Speed RECALL/DIALING ONE-TOUCH Dialing Memory SCROLLING/DIALING Clearing a Memory Changing a Number in Memory Banking or Other Phone Services Using Scratchpad MemoryMemory Dialing Tips Frequently Dialed Area Codes/Prefixes Security Features Using Manual LockLocking Your Phone Changing the Lock Code Using Automatic Lock Displaying the Lock Code Level Using the Service Restriction Using the Messaging Functions Special FeaturesOverview/Receiving Messages You See Meaning Viewing/Recalling Messages Deleting Messages Using the Call Timers Displaying the Individual Call Timer Displaying the Cumulative Call Timer Using the Resettable Call Timer Phone Cellular System Type Display Shows Number Selecting the Active Phone Number Setting the Cellular System Type Std Ab Roaming Mode Description DisplayStd bA SCAn Selecting the Cellular System Type Displaying the Currently Selected System Type Roaming Using Cellular System PIN Dialing Enabling/Disabling PIN Dialing Making a Call Using Your PIN Using a Headset Using the Phone with Handsfree Equipment Adding a Pause Using TOUCH-TONE Services Fm Page 53 Wednesday, July 21, 1999 234 PM Troubleshooting If the phone’s power does not come on or stay onIf the power comes on, but the phone does not work Safety Information Traffic SafetyOperating Environment Emergency Calls FCC Regulations Care and Maintenance Patent Information Specifications Fm Page 60 Wednesday, July 21, 1999 234 PM Display Message Glossary LEvEl 1 or SErviceLocCode Loc’d Fm Page 63 Wednesday, July 21, 1999 234 PM Division of Tandy Corporation RadioShack