Radio Shack CT-400 owner manual Backlight Control

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CLEAR TIMERS — Resets all call timers ex- cept for LIFE.

3.To clear the timers, press OK when the phone displays CLEAR TIMERS. The phone prompts you to enter your 4-digit lock code (LOCKCODE?). Enter your lock code and press OK . The phone briefly displays TIMERS CLEARED to confirm that the timers have been reset.

To exit the timer display without clearing the timers, press CLR .

BACKLIGHT CONTROL

Your phone is preset to turn on its display and key- pad backlights each time you press a key, then turn them off within about 15 seconds after the last key- press.

To set the phone so the backlights do not turn on (to conserve battery power, for example), or to set them to turn on again, follow these steps.

1.Press MENU 7PQRS . The phone displays the cur- rent setting (LIGHTS ON or LIGHTS OFF).

2.Press or to select the other setting.

3.Press OK to store your selection.

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Contents CT-400 Features Fm Page 3 Wednesday, July 21, 1999 957 AM Contents Accessories Safety Information Memory FeaturesTroubleshooting Care and Maintenance Specifications Look AT the Display ABCRoam Important Battery Tips Installing the BatteryPreparation Fm Page 9 Wednesday, July 21, 1999 957 AM Charging the Battery When to Recharge the Battery Discharging Batteries Making a Call Basic OperationTurning the Phone ON/OFF To clear all digitsSignal Strength Receiving a Call ExceptAdjusting the Volume Making Emergency CallsTo quickly dial the emergency number, hold down Last 10 Number Redial Menu Overview You See Shortcut/DescriptionCall Selecting a Call Restriction Level Security FeaturesRestriction Description Level Fm Page 22 Wednesday, July 21, 1999 957 AM Turning ONE-TOUCH Emergency Dialing ON/OFF Emerg OFF if it is OFFWhen keyguard is on Turning Keyguard ON/OFFCellular Systems Selecting the Active Phone NumberSetting the Cellular System Type Fm Page 27 Wednesday, July 21, 1999 957 AM Roaming SID Screening Fm Page 30 Wednesday, July 21, 1999 957 AM Calling Line ID Special Phone ServicesMessage Waiting Other Services Special Features Call TimersBacklight Control When you select the setting Lights on Keypad TonesRing Volume Ring Type Changing the Lock CodeFm Page 38 Wednesday, July 21, 1999 957 AM Using the Call Register Clearing the Call Lists Using Calling Card Dialing Storing/Clearing a Calling Card NumberAccess NUM Card Type Carrier Carrier Access You See Name NumberUsing a Stored Calling Card Number Wait for PromptUsing TOUCH-TONE Services Adding a Pause Adding a WaitEnter PIN Code DialingThis spells # PIN Call # Fm Page 47 Wednesday, July 21, 1999 957 AM To return to the previous Memory FeaturesStoring a Number and Name in Memory Hold downTo store the number in the one-touch location Hints Using Memory Location 1 You can hold Using Number Quick Store ONE-TOUCH/SPEED DialingMemory Scrolling Clearing a MemoryIf you stored only a number in the memory lo Using Scratchpad Memory Accessories Traffic Safety Safety InformationOperating Environment Fm Page 57 Wednesday, July 21, 1999 957 AM Emergency Calls FCC RegulationsIf the power does not come on or stay on TroubleshootingIf the power comes on, but the phone does not work Care and Maintenance Specifications Fm Page 62 Wednesday, July 21, 1999 957 AM Fm Page 63 Wednesday, July 21, 1999 957 AM RadioShack Division of Tandy Corporation