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Summary of Contents for Radio Shack CT-400
- Page 1 17-1101.fm Page 1 Wednesday, July 21, 1999 9:57 AM Cat. No. 17-1101 OWNER’S MANUAL Please read before using this equipment. CT-400 Handheld Cellular Phone...
- Page 2 Your RadioShack CT-400 Handheld Cellular Phone combines advanced technology and design simplicity. To complement its small size and easy- to-use design, the CT-400 provides a full range of features. Easy-to-Read Digital Display — the supertwist liquid-crystal display provides essential call infor- mation and can be easily read from almost any an- gle.
- Page 3 17-1101.fm Page 3 Wednesday, July 21, 1999 9:57 AM Security Features — to prevent unauthorized phone use, you can set up to three different levels of call restrictions (to allow only incoming calls, for example) while still allowing calls to the prepro- grammed emergency number.
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Page 4: Table Of Contents
17-1101.fm Page 4 Wednesday, July 21, 1999 9:57 AM CONTENTS A Look at the Display ... 6 Preparation ... 8 Installing the Battery ... 8 Important Battery Tips ... 8 Charging the Battery ... 10 When to Recharge the Battery ... 11 Discharging Batteries ... - Page 5 17-1101.fm Page 5 Wednesday, July 21, 1999 9:57 AM Backlight Control ... 34 Keypad Tones ... 35 Ring Volume ... 36 Ring Type ... 37 Changing the Lock Code ... 37 Using the Call Register ... 39 Clearing the Call Lists ... 40 Using Calling Card Dialing ...
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Page 6: A Look At The Display
17-1101.fm Page 6 Wednesday, July 21, 1999 9:57 AM A LOOK AT THE DISPLAY Indicates the type of network selected: ... A system only ... B system only ... Both systems No Indicator ... Home area only See “Setting the Cellular System Type”... - Page 7 17-1101.fm Page 7 Wednesday, July 21, 1999 9:57 AM Appears when the phone is on. See “Turning the Phone On/Off” on Page 13. ROAM Appears when you roam using your home system. Flashes when you roam using a non-home system. See “Roaming”...
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Page 8: Preparation
17-1101.fm Page 8 Wednesday, July 21, 1999 9:57 AM PREPARATION INSTALLING THE BATTERY To install the battery, place it flat against the back of the phone with the tab fac- ing up and toward the top of the phone. Then slide the battery toward the top of the phone until it snaps into place. - Page 9 17-1101.fm Page 9 Wednesday, July 21, 1999 9:57 AM • When the battery is not in use, store it un- charged in a cool and dark place. • The battery is a sealed unit with no service- able parts. Do not try to open the case. •...
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Page 10: Charging The Battery
17-1101.fm Page 10 Wednesday, July 21, 1999 9:57 AM • Do not short circuit the battery. Accidental short circuiting can occur when a metal object (coin, paper clip, pen, or similar) directly con- nects the battery’s + and – terminals (the met- al strips on the back of the battery), such as when you carry a spare battery in your pocket or purse. -
Page 11: When To Recharge The Battery
17-1101.fm Page 11 Wednesday, July 21, 1999 9:57 AM Notes: • You can use your phone during charging, but charging takes longer. • For the fastest charging, be sure the phone is turned off, if you are not expecting a call. •... -
Page 12: Battery Low
17-1101.fm Page 12 Wednesday, July 21, 1999 9:57 AM You can recharge the battery (as described in “Charging the Battery” on Page 10) at any time. However, when your phone gives you these low- battery indications, recharge the battery as soon as possible: •... -
Page 13: Basic Operation
17-1101.fm Page 13 Wednesday, July 21, 1999 9:57 AM BASIC OPERATION TURNING THE PHONE ON/OFF Note: Extend the antenna fully. Avoid touching the antenna with the phone turned on. The phone must be turned on before you can make or answer calls. To turn on the phone, hold down (above and to the upper right of the display) un- til the phone beeps. -
Page 14: Signal Strength
17-1101.fm Page 14 Wednesday, July 21, 1999 9:57 AM Notes: • appears if PIN code dialing is PIN CALL set to ON (see “PIN Code Dialing” on Page 46). • NO SVC (no service) appears and three beeps sound if you are outside the cellular service area. -
Page 15: Receiving A Call
17-1101.fm Page 15 Wednesday, July 21, 1999 9:57 AM RECEIVING A CALL When the phone receives an incoming call, it rings and flashes CALL . To answer a call, press any key except Notes: • After the first ring, if you subscribe to calling line ID service through your cellular carrier (see “Calling Line ID”... -
Page 16: Calls Missed
17-1101.fm Page 16 Wednesday, July 21, 1999 9:57 AM If you do not answer a call , the phone displays CALLS MISSED (where NN is the number of calls) until you press any key (except ). It also stores the caller’s number (if available) in the missed call register. - Page 17 17-1101.fm Page 17 Wednesday, July 21, 1999 9:57 AM To quickly dial the emergency number , hold down until the phone displays EMERG. CALL TRY WXYZ Notes: • The emergency number programmed into your phone might not be valid in all areas. (For ex- ample, not all areas have 911 service.) If you use the phone outside its primary service area, you might have to manually dial an emergency...
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Page 18: Last 10 Number Redial
17-1101.fm Page 18 Wednesday, July 21, 1999 9:57 AM LAST 10 NUMBER REDIAL Follow these steps to view and dial the last 10 phone numbers called. 1. Hold down to clear the display (if neces- sary). 2. Press . The phone displays the last num- SEND ber dialed. -
Page 19: Menu Overview
17-1101.fm Page 19 Wednesday, July 21, 1999 9:57 AM MENU OVERVIEW This section lists your phone’s menu functions, the shortcut keys (if any) you can use to access the functions, and the pages in this manual where you can find full descriptions of the functions. To select a specific menu function , press that func- tion’s shortcut keys (if any). -
Page 20: Call Register
17-1101.fm Page 20 Wednesday, July 21, 1999 9:57 AM You See Shortcut/Description LIGHTS MENU PQRS Sets the display and key- pad backlights KEYPAD MENU Turns keypad tones on/off TONES RINGING MENU WXYZ VOLUME Selects the ring volume Selects the ring type RINGING TYPE Turns emergency one-... -
Page 21: Security Features
17-1101.fm Page 21 Wednesday, July 21, 1999 9:57 AM SECURITY FEATURES SELECTING A CALL RESTRICTION LEVEL Your phone is preset to let you (or anyone else) dial any type of number (local or long distance) and freely access any information stored in its memory. To prevent unauthorized use of your phone, how- ever, you can enter your 4-digit lock code (see “Changing the Lock Code”... - Page 22 17-1101.fm Page 22 Wednesday, July 21, 1999 9:57 AM Important: You can dial the pre-programmed emergency number and the number stored in Memory 40 regardless of which call restriction level you select. Follow these steps to select a call restriction level. 1.
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Page 23: Turning One-Touch Emergency Dialing On/Off
17-1101.fm Page 23 Wednesday, July 21, 1999 9:57 AM TURNING ONE-TOUCH EMERGENCY DIALING ON/OFF One-touch emergency dialing lets you call the pri- mary emergency number programmed into your phone, by holding down for about 2 seconds. WXYZ One-touch emergency dialing is preset to OFF. To turn it on or back off at any time, follow these steps. -
Page 24: Turning Keyguard On/Off
17-1101.fm Page 24 Wednesday, July 21, 1999 9:57 AM TURNING KEYGUARD ON/OFF You can use keyguard to disable the phone’s key- pad and prevent accidental key presses (when the phone is in a purse or pocket, for example). To turn on keyguard , press MENU for about 2 seconds (this is handy when you are ending a call, for example). -
Page 25: Cellular Systems
17-1101.fm Page 25 Wednesday, July 21, 1999 9:57 AM CELLULAR SYSTEMS SELECTING THE ACTIVE PHONE NUMBER Every cellular telephone has at least one NAM (Number Assignment Module), which is used to store its phone number. Your phone has two NAMs. If you subscribe to two cellular services (for example, competitive cellular systems in your area or cellular systems in different cities), each of your phone’s NAMs was pro-... -
Page 26: Setting The Cellular System Type
17-1101.fm Page 26 Wednesday, July 21, 1999 9:57 AM • If you want to receive calls on both numbers at the same time and you subscribe to call for- warding through your cellular service provid- ers, you can set both numbers on your phone to forward to the other number if not an- swered. - Page 27 17-1101.fm Page 27 Wednesday, July 21, 1999 9:57 AM • Usually, it is less expensive to use the same provider type for cellular service when you are in your home city and when you roam. To do this, you need to know whether your cellular service provider is type A or B in your home city and in each city where you plan to travel.
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Page 28: Roaming
17-1101.fm Page 28 Wednesday, July 21, 1999 9:57 AM Follow these steps to set the cellular system type. 1. Press . The phone displays the cur- MENU rent setting. 2. Repeatedly press setting you want to use, then press that setting. ROAMING Using the phone in a city where you do not sub- scribe to a cellular service is referred to as roam-... -
Page 29: Sid Screening
17-1101.fm Page 29 Wednesday, July 21, 1999 9:57 AM SID SCREENING If two different cellular market areas are located close to one another, a call designated for the A (or B) carrier in one market can sometimes be placed using the A (or B) carrier located in the other mar- ket area. - Page 30 17-1101.fm Page 30 Wednesday, July 21, 1999 9:57 AM Follow these steps to turn SID screening on or off. 1. Press , then repeatedly press MENU until the phone displays SID SCREEN 2. Press . The phone displays the current set- ting ( SID SCRN ON SID SCRN OFF...
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Page 31: Special Phone Services
17-1101.fm Page 31 Wednesday, July 21, 1999 9:57 AM SPECIAL PHONE SERVICES Calling Line ID If you subscribe to calling line identification service with your cellular carrier, your phone is preset to automatically display the caller’s phone number (if available) each time it receives a call. If you stored the caller’s phone number with a name in the phone’s memory (see “Storing a Number and Name in Memory”... -
Page 32: Other Services
17-1101.fm Page 32 Wednesday, July 21, 1999 9:57 AM When your phone is turned on and receives voice mail notification from your cellular carrier, it dis- plays to notify you that you have one or more messages waiting in your mailbox. When you call your mailbox and listen to your message(s), disappears. -
Page 33: Special Features
17-1101.fm Page 33 Wednesday, July 21, 1999 9:57 AM SPECIAL FEATURES CALL TIMERS Your phone has four call timers that let you check the length of your calls in minutes and seconds (for example, 12345:12 equals 12,345 minutes and 12 seconds). -
Page 34: Backlight Control
17-1101.fm Page 34 Wednesday, July 21, 1999 9:57 AM — Resets all call timers ex- CLEAR TIMERS cept for LIFE. 3. To clear the timers, press displays CLEAR TIMERS prompts you to enter your 4-digit lock code LOCKCODE? ). Enter your lock code and press . -
Page 35: Keypad Tones
17-1101.fm Page 35 Wednesday, July 21, 1999 9:57 AM When you select the setting LIGHTS ON: • and the phone is used as a portable phone or connected to a charger, the lights turn on for 15 seconds when you press a key or receive a call. -
Page 36: Ring Volume
17-1101.fm Page 36 Wednesday, July 21, 1999 9:57 AM RING VOLUME You can select one of these three ring volumes for the phone: • — the ring is quiet. RINGING LOW • RINGING HIGH — the ring is loud. • —... -
Page 37: Ring Type
17-1101.fm Page 37 Wednesday, July 21, 1999 9:57 AM RING TYPE Follow these steps to select from five different ring patterns that your phone can sound when it re- ceives a call. 1. Press , then repeatedly press MENU until the phone displays RINGING TYPE 2. - Page 38 17-1101.fm Page 38 Wednesday, July 21, 1999 9:57 AM 2. Press . The phone prompts you for your 4- digit lock code ( LOCKCODE? 3. Enter your 4-digit lock code, then press The phone prompts for the new lock code NEW CODE? Note: If you enter the wrong lock code, the phone displays...
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Page 39: Using The Call Register
17-1101.fm Page 39 Wednesday, July 21, 1999 9:57 AM USING THE CALL REGISTER Your phone automatically stores calls in these three lists: • * — lists the caller’s phone MISSED CALLS number for up to the last 10 calls you did not answer •... -
Page 40: Clearing The Call Lists
17-1101.fm Page 40 Wednesday, July 21, 1999 9:57 AM To quickly store the displayed number into the first empty speed-dial memory , hold down for about 2 seconds (see “Using Number Quick Store” on Page 51). Note: If a list is empty, the phone briefly dis- plays LOCATION EMPTY then clears the dis-... -
Page 41: Using Calling Card Dialing
17-1101.fm Page 41 Wednesday, July 21, 1999 9:57 AM USING CALLING CARD DIALING Storing/Clearing a Calling Card Number The calling card feature lets you store a long- distance calling card number in the phone’s memo- ry, so you can place long-distance calls from this phone using that number. -
Page 42: Access Num- Ber
17-1101.fm Page 42 Wednesday, July 21, 1999 9:57 AM Card Type Carrier Carrier Access (You See) Name Sprint 1-800-877-8000 1-800-950-1022 SNET 1-800-555-5321 1-800-888-8000 1-800-674-0700 1-800-225-5483 AT&T 1-800-225-5288 Sprint 1-800-277-7468 PacTel 1-800-522-2020 AT&T10 10288 Sprint 100333 Ameritech (Press ACCESS NUM- BER? 1-800-999-9000 The phone prompts you for that carrier’s net- work access number (... -
Page 43: Using A Stored Calling Card Number
17-1101.fm Page 43 Wednesday, July 21, 1999 9:57 AM Note: To exit without changing the calling card settings (if you are changing only the access number, for example), press 6. Enter the card number, then press The phone briefly displays STORED that the selected card information is activated and stored. -
Page 44: Using Touch-Tone Services
17-1101.fm Page 44 Wednesday, July 21, 1999 9:57 AM 2. When you hear the carrier’s calling card tone or voice prompt, press SEND pears on the display, then the phone prompts you to wait for another tone or voice prompt WAIT FOR PROMPT 3. -
Page 45: Adding A Pause
17-1101.fm Page 45 Wednesday, July 21, 1999 9:57 AM Adding a Pause Some services, such as voicemail, require you to enter an access code then pause before entering additional digits. To include a pause in a sequence when storing it in memory, press . -
Page 46: Pin Code Dialing
17-1101.fm Page 46 Wednesday, July 21, 1999 9:57 AM PIN CODE DIALING For security, some cellular service carriers require you to dial a personal identification number (PIN) in addition to the phone number each time you place a call. This is sometimes referred to as “PIN code dialing.”... - Page 47 17-1101.fm Page 47 Wednesday, July 21, 1999 9:57 AM To turn off PIN code dialing, simply press without entering a number. appears briefly. When PIN code dialing is set to ON, the phone dis- plays PIN CALL after you press call.
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Page 48: Memory Features
17-1101.fm Page 48 Wednesday, July 21, 1999 9:57 AM MEMORY FEATURES STORING A NUMBER AND NAME IN MEMORY Your phone has 40 speed-dial memory locations. Each location can hold a phone number of up to 32 digits and a name of up to 16 characters. Follow these steps to store a phone number and name in memory. - Page 49 17-1101.fm Page 49 Wednesday, July 21, 1999 9:57 AM Notes: • Within about 2 seconds after you stop pressing a key, the cursor automatically moves to the next position. To move it soon- er, press • If you make a mistake, press each wrong letter, then try again.
- Page 50 17-1101.fm Page 50 Wednesday, July 21, 1999 9:57 AM • If the selected memory is full, the phone prompts you to replace the contents ( PLACE CONTENT? To replace the contents, press phone displays STORED • If both the name and phone number are al- ready stored (a duplicate), the phone dis- plays ALREADY STORED...
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Page 51: Using Number Quick Store
17-1101.fm Page 51 Wednesday, July 21, 1999 9:57 AM level, store a frequently called telephone num- ber (such as your home number or some other “priority” number) in memory location 40. Using Number Quick Store To quickly store a phone number in the first unused speed-dial memory, enter the phone number, then hold down for about 2 seconds. -
Page 52: Memory Scrolling
17-1101.fm Page 52 Wednesday, July 21, 1999 9:57 AM MEMORY SCROLLING To scroll forward or backward through all names or numbers stored in memory (beginning with the first or last memory location), press view names), then repeatedly press (backward). The phone displays the stored name or phone number and its corresponding memory number. - Page 53 17-1101.fm Page 53 Wednesday, July 21, 1999 9:57 AM If you stored only a number in the memory lo- cation you want to clear , press disappears. The phone displays Enter the memory number, or repeatedly press , to recall the number you want to clear.
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Page 54: Using Scratchpad Memory
17-1101.fm Page 54 Wednesday, July 21, 1999 9:57 AM USING SCRATCHPAD MEMORY Your phone’s scratchpad memory lets you tempo- rarily store a phone number during a call. This is useful, for example, when you don’t have a pencil and paper handy! Follow these steps to store a number in the scratchpad memory. -
Page 55: Accessories
17-1101.fm Page 55 Wednesday, July 21, 1999 9:57 AM ACCESSORIES A new, extensive range of accessories is available for your phone through your local RadioShack store. You can select the accessories that best meet your needs. Important: Use only accessories approved by the phone manufacturer. -
Page 56: Safety Information
17-1101.fm Page 56 Wednesday, July 21, 1999 9:57 AM SAFETY INFORMATION TRAFFIC SAFETY • Do not use a handheld phone while driving a vehicle. If using a handheld phone, park the vehicle before taking or making a call. • Always secure the phone in its holder; do not place the phone on the passenger seat or where it can break loose in a collision or sud- den stop. - Page 57 17-1101.fm Page 57 Wednesday, July 21, 1999 9:57 AM • Turn off the phone while getting gasoline (at a filling station). Observe restrictions on the use of radio equipment in fuel depots (fuel storage and distribution areas), chemical plants, or around blasting operations.
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Page 58: Emergency Calls
17-1101.fm Page 58 Wednesday, July 21, 1999 9:57 AM EMERGENCY CALLS IMPORTANT! This phone, like any cellular phone, operates using radio signals, cellular, and land line networks, as well as user-programmed functions. These factors make it impossible to guarantee con- nection in all conditions. -
Page 59: Troubleshooting
17-1101.fm Page 59 Wednesday, July 21, 1999 9:57 AM TROUBLESHOOTING If the power does not come on or stay on: • Make sure the battery is properly installed and charged. • Be sure that the contacts on the battery and the charging stand are clean. -
Page 60: Care And Maintenance
17-1101.fm Page 60 Wednesday, July 21, 1999 9:57 AM CARE AND MAINTENANCE Your RadioShack CT-400 Handheld Cellular Phone is an example of superior design and craftsmanship and should be treated with care. These suggestions allow you to enjoy this phone for many years. -
Page 61: Specifications
17-1101.fm Page 61 Wednesday, July 21, 1999 9:57 AM SPECIFICATIONS Dimensions ... Width: 2 Height (without antenna): 6 in (152.4 mm) Depth: 1 Weight ... 7.6 oz. (215 g) with Supplied Battery Transmitting Power ... 0.6 W (+2 dB –4 dB) Operating Voltage Battery ... - Page 62 17-1101.fm Page 62 Wednesday, July 21, 1999 9:57 AM NOTES...
- Page 63 17-1101.fm Page 63 Wednesday, July 21, 1999 9:57 AM...
- Page 64 17-1101.fm Page 64 Wednesday, July 21, 1999 9:57 AM Limited One-Year Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and autho- rized RadioShack franchisees and dealers.
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