Radio Shack CT-503 SErvice, LEvEl 1 or, LocCode, Loc’d, Lo bAt, MUtE, OnEMIn tMr, Pin ActivE or

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Message	Description	See
		Page(s)

SErvice	Service restriction level currently	39
LEvEl 1 or 4	selected

LocCode	Appears before lock code	38

Loc’d	Phone is locked	36

Lo bAt	Battery power is low	13

MUtE	Microphone is turned off	20

on	Briefly appears when display is clear	15

OnEMIn tMr	Call-time reminder tone	27

Pin ActivE or	PIN dialing function enabled or dis-	50
inActiv	abled

P SCAn	Specific cellular ID required (sys-	47
	tem-type selected)

rEdiAL	Automatic redial in progress	22

rEMInd MSg	Message reminder tones	30

SCAn A	Non-wireline A system-type selected	47

SCAn Ab	A then B scan system-type selected	47

SCAn b	Wireline B scan system-type	47
	selected

SCAn bA	B then A scan system-type selected	47

Std Ab	Standard non-wireline system-type	47
	selected

Std bA	Standard wireline system-type	47
	selected

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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