RadioShack CT-400 - Manual

7 ON Appears when the phone is on. See “Turning the Phone On/Off” onPage 13. Appears when you roam using yourhome system. Flashes when you roamusing a non-home system. See “Roaming” on Page 28. IN USE Appears during a call. See “Making a Call” on Page 13 or“Receiving a Call” on Page 15. Appears when...

8 PREPARATION INSTALLING THE BATTERY To install the battery, placeit flat against the back ofthe phone with the tab fac-ing up and toward the topof the phone. Then slidethe battery toward the topof the phone until it snapsinto place. To remove the battery, be sure the phone is turnedoff, then hold d...

10 • 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 aswhen you carry a spare battery in your pocketor purse. Short c...

11 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. • If the battery is too hot or cold, charging stops until the battery temperature returnsto normal. 3. The battery charge bar s...

12 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 aspossible: • When only a few minutes of talk time remain, the phone sounds a warning tone and displays BATTER...

13 BASIC OPERATION TURNING THE PHONE ON/OFF Note: Extend the antenna fully. Avoid touching theantenna with the phone turned on. The phone must be turned on before you can makeor answer calls. To turn on the phone, hold down (above and to the upper right of the display) un- til the phone beeps. The p...

14 Notes: • PIN CALL appears if PIN code dialing is set to ON (see “PIN Code Dialing” onPage 46). • (no service) appears and three beeps sound if you are outside the cellularservice area. See “Signal Strength.” • NOT ALLOWED briefly appears if you try to make a restricted call (see “Selecting a Call...

15 RECEIVING A CALL When the phone receives an incoming call, it ringsand 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” on Page 31), the phoneautomatically display...

16 If you do not answer a call , the phone displays NN 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 callregister. See “Using the Call Register” on Page 39. Hint: To quickly store the displayed caller...

17 To quickly dial the emergency number , hold down until the phone displays EMERG. CALL TRY . 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 youuse the phone outside its primary service area,you might have...

18 LAST 10 NUMBER REDIAL Follow these steps to view and dial the last 10phone numbers called. 1. Hold down to clear the display (if neces- sary). 2. Press . The phone displays the last num- ber dialed. 3. To scroll through the last 10 numbers dialed, repeatedly press or . As you press the key, the p...

19 MENU OVERVIEW This section lists your phone’s menu functions, theshortcut keys (if any) you can use to access thefunctions, and the pages in this manual where youcan find full descriptions of the functions. To select a specific menu function , press that func- tion’s shortcut keys (if any). To sc...

21 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) andfreely access any information stored in its memory.To prevent unauthorized use of your phone, how-ever, you can enter your 4-digit lock code (se...

22 Important: You can dial the pre-programmedemergency number and the number stored inMemory 40 regardless of which call restriction level you select. Follow these steps to select a call restriction level. 1. Press . The phone displays the cur- rent setting. 2. Repeatedly press or until you see the ...

24 TURNING KEYGUARD ON/OFF You can use keyguard to disable the phone’s key-pad and prevent accidental key presses (when thephone is in a purse or pocket, for example). To turn on keyguard , press or hold down for about 2 seconds (this is handy when you are ending a call, for example). When keyguard ...

25 CELLULAR SYSTEMS SELECTING THE ACTIVE PHONE NUMBER Every cellular telephone has at least one NAM(Number Assignment Module), which is used tostore its phone number. Your phone has two NAMs. If you subscribe to twocellular services (for example, competitive cellularsystems in your area or cellular ...

27 • Usually, it is less expensive to use the same provider type for cellular service when you arein your home city and when you roam. To dothis, you need to know whether your cellularservice provider is type A or B in your homecity and in each city where you plan to travel. • It is possible for a c...

28 Follow these steps to set the cellular system type. 1. Press . The phone displays the cur- rent setting. 2. Repeatedly press or until you see the setting you want to use, then press to store that setting. ROAMING Using the phone in a city where you do not sub-scribe to a cellular service is refer...

29 SID SCREENING If two different cellular market areas are locatedclose to one another, a call designated for the A (orB) carrier in one market can sometimes be placedusing the A (or B) carrier located in the other mar-ket area. This can result in unwanted roaming andhigher charges. At the time of ...

31 SPECIAL PHONE SERVICES Calling Line ID If you subscribe to calling line identification servicewith your cellular carrier, your phone is preset toautomatically display the caller’s phone number (ifavailable) each time it receives a call. If you storedthe caller’s phone number with a name in thepho...

32 When your phone is turned on and receives voicemail notification from your cellular carrier, it dis-plays to notify you that you have one or more messages waiting in your mailbox. When you callyour mailbox and listen to your message(s), disappears. Hint: If you subscribe to voice mail service, yo...

33 SPECIAL FEATURES CALL TIMERS Your phone has four call timers that let you checkthe length of your calls in minutes and seconds (forexample, 12345:12 equals 12,345 minutes and 12seconds). You can view the timers at any time(even during a call), and you can reset all the calltimers (except one). No...

34 CLEAR TIMERS — Resets all call timers ex- cept for LIFE. 3. To clear the timers, press when the phone displays CLEAR TIMERS . The phone prompts you to enter your 4-digit lock code( LOCKCODE? ). Enter your lock code and press . The phone briefly displays TIMERS CLEARED to confirm that the timers h...

35 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 for15 seconds when you press a key or receive acall. • and the phone is connected to a handsfree car kit, the lights remain on continuously. When you select the setting...

36 RING VOLUME You can select one of these three ring volumes forthe phone: • RINGING LOW — the ring is quiet. • RINGING HIGH — the ring is loud. • SILENT SERVICE — the phone does not ring. Instead, the keypad and display back-lights flash, CALL flashes on the display, and the phone sounds a short b...

38 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, thephone displays CODE ERROR . Start again at Step 1 and enter the correct code. ...

39 USING THE CALL REGISTER Your phone automatically stores calls in thesethree lists: • * MISSED CALLS — lists the caller’s phone number for up to the last 10 calls you did notanswer • DIALED CALLS — lists the phone number di- aled for up to the last 10 calls made from thisphone • * RECEIVED CALLS —...

40 To quickly store the displayed number into thefirst empty speed-dial memory , hold down for about 2 seconds (see “Using NumberQuick Store” on Page 51). Note: If a list is empty, the phone briefly dis-plays LOCATION EMPTY then clears the dis- play. 4. When you finish, hold down to exit the list an...

41 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 thisphone using that number. Follow these steps to select a calling card type andenter yo...

42 The phone prompts you for that carrier’s net-work access number ( ACCESS NUMBER? ). 5. If you must dial a number (such as an 800 number) to access the carrier, enter that num-ber. Then press . (If you do not have to dial an access number, simply press .) The phone prompts you for the card number(...

43 Note: To exit without changing the calling cardsettings (if you are changing only the accessnumber, for example), press . 6. Enter the card number, then press . The phone briefly displays STORED to confirm that the selected card information is activatedand stored. To clear a stored calling card n...

44 2. When you hear the carrier’s calling card tone or voice prompt, press . CARD CALL ap- pears on the display, then the phone promptsyou to wait for another tone or voice prompt( WAIT FOR PROMPT ). 3. When you hear the next tone or prompt (if any), press again, then continue with the call as you n...

46 PIN CODE DIALING For security, some cellular service carriers requireyou to dial a personal identification number (PIN) inaddition to the phone number each time you placea call. This is sometimes referred to as “PIN codedialing.” Notes: • This service is not required (or available) on all network...

48 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 32digits and a name of up to 16 characters. Follow these steps to store a phone number andname in memory. Note: If you do not press a key for about 15 s...

49 Notes: • Within about 2 seconds after you stop pressing a key, the cursor automaticallymoves to the next position. To move it soon-er, press . • If you make a mistake, press to erase each wrong letter, then try again. • Press to enter a space or to en- ter punctuation ( – , & , . , and : ). 3...

51 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 unusedspeed-dial memory, enter the phone number, thenhold down for about 2 seconds. The phone b...

52 MEMORY SCROLLING To scroll forward or backward through all names ornumbers stored in memory (beginning with the first or last memory location), press (if you want to view names), then repeatedly press (forward) or (backward). The phone displays the stored name or phone number and its correspondin...

54 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 penciland paper handy! Follow these steps to store anumber in the scratchpad memory. 1. Be sure the display is clear, then enter the ...

55 ACCESSORIES A new, extensive range of accessories is availablefor your phone through your local RadioShackstore. You can select the accessories that bestmeet your needs. Important: Use only accessories approved by thephone manufacturer. Using any other type invali-dates any approval or warranty a...

56 SAFETY INFORMATION TRAFFIC SAFETY • Do not use a handheld phone while driving a vehicle. If using a handheld phone, park thevehicle before taking or making a call. • Always secure the phone in its holder; do not place the phone on the passenger seat orwhere it can break loose in a collision or su...

58 EMERGENCY CALLS IMPORTANT! This phone, like any cellular phone,operates using radio signals, cellular, and land linenetworks, as well as user-programmed functions.These factors make it impossible to guarantee con-nection in all conditions. Therefore, you shouldnever rely solely upon any cellular ...

59 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. If they are not,clean them with a soft cloth or pencil eraser. • The battery charge might be too low fo...

60 CARE AND MAINTENANCE Your RadioShack CT-400 Handheld Cellular Phone is anexample of superior design and craftsmanship andshould be treated with care. These suggestions allow youto enjoy this phone for many years. • Keep the phone and all its parts and accessories out of the reach of children. • K...

61 SPECIFICATIONS Dimensions ........................ Width: 2 1 / 8 in (54 mm) Height (without antenna): 6 in (152.4 mm) Depth: 1 7 / 16 in (37 mm) Weight ............................................ 7.6 oz. (215 g) with Supplied Battery Transmitting Power .............. 0.6 W (+2 dB –4 dB) Operati...

62 NOTES 17-1101.fm Page 62 Wednesday, July 21, 1999 9:57 AM