Radio Shack CT-503 owner manual Important Battery Tips

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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 overcharg- ing 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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Contents CT-503 Handheld Flip-Style Cellular Telephone Features Fm Page 3 Wednesday, July 21, 1999 234 PM Table of Contents Care and Maintenance Specifications Special FeaturesTroubleshooting Safety Information Display Message GlossaryEarpiece Alphanumeric Display Ten-Character LED Look AT Your PhoneRetractable Antenna 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 Recommended Recharging Times Checking Battery PowerBattery Type Charging Time Hours 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 REMInd MSg Functions ListDisplay Shows Function Description See 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 MemoryMemory Dialing Tips Using Scratchpad MemoryBanking or Other Phone Services 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 LevelOverview/Receiving Messages Special FeaturesUsing the Messaging Functions 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 Std bA Roaming Mode Description DisplayStd Ab 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 LocCode SErviceLEvEl 1 or Loc’dFm Page 63 Wednesday, July 21, 1999 234 PM RadioShack Division of Tandy Corporation