Summary of the content on the page No. 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
Summary of the content on the page No. 2
17-1101.fm Page 2 Wednesday, July 21, 1999 9:57 AM FEATURES 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. Special Cellular Service Features — the phone is preprogrammed to work with specia
Summary of the content on the page No. 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. One-Touch Emergency Dialing — lets you dial the emergency number preprogrammed into your 9WXYZ phone, by briefly holding down the key. Scratchpad Memory — lets you temporarily store a number (during a call, for examp
Summary of the content on the page No. 4
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 ................................. 12 Basic Operation
Summary of the content on the page No. 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 ....
Summary of the content on the page No. 6
17-1101.fm Page 6 Wednesday, July 21, 1999 9:57 AM A LOOK AT THE DISPLAY AB Indicates the type of network selected: A .................... A system only B .................... B system only AB .................. Both systems No Indicator ..... Home area only See “Setting the Cellular System Type” on Page 26. Appears when you have a message waiting in your voice mailbox. See “Message Waiting” on Page 31. C B ABC Appears when you press A to enter letters. See “Storing a Number and Name in Memor
Summary of the content on the page No. 7
17-1101.fm Page 7 Wednesday, July 21, 1999 9:57 AM ON Appears when the phone is on. See “Turning the Phone On/Off” on Page13. ROAM Appears when you roam using your home system. Flashes when you roam using 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. NO SVC Appears when you are not within a supported cellular service area. See “Setting the Cellular System Type” on Page 26. NO flashes when SID screeni
Summary of the content on the page No. 8
17-1101.fm Page 8 Wednesday, July 21, 1999 9:57 AM PREPARATION INSTALLING THE BATTERY To install the battery, place Tab 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. To remove the battery, be sure the phone is turned off, then hold down the tab, slide the battery down, and lift it off the phone. IMPORTANT BATTERY TIPS • You must fully charge a new battery at least 24
Summary of the content on the page No. 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. • You can purchase additional standard or ex- tended capacity batteries through your local RadioShack store. • A battery can be charged and discharged hun- dreds of times, but it eventually wears out. When the operating time (talk time and stand- by time) is noticeably shorte
Summary of the content on the page No. 10
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. Short circuiting the terminals might damage the battery or the object connected to it. • Do not dispose of batteries in a fire! Nickel Cadmium and Nic
Summary of the content on the page No. 11
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. • If the battery is too hot or cold, charging stops until the battery temperature returns to normal. 3. The battery charge bar stops scrolling when the battery is fully charged. Disconnect the charger from the AC outlet first, then discon- nect it from the phone. Using the s
Summary of the content on the page No. 12
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: • When only a few minutes of talk time remain, the phone sounds a warning tone and displays BATTERY LOW at regular intervals. • When the battery charge level is too low for the phone to operate, the phone displays RE- CHARGE BATTERY and sound
Summary of the content on the page No. 13
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 P W R (above and to the upper right of the display) un- til the phone beeps. The phone performs a short self-test, then it briefly displays the activated phone number (see “Selecting the Active Phone Number” on Page 25). T
Summary of the content on the page No. 14
17-1101.fm Page 14 Wednesday, July 21, 1999 9:57 AM Notes: • PIN CALL appears if PIN code dialing is set to ON (see “PIN Code Dialing” on Page46). • NO SVC (no service) appears and three beeps sound if you are outside the cellular service area. See “Signal Strength.” • NOT ALLOWED briefly appears if you try to make a restricted call (see “Selecting a Call Restriction Level” on Page 21). END 3. To end the call, press . Signal Strength The vertical bar on the left of the display shows the stren
Summary of the content on the page No. 15
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 P W except . R 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 phone automatically displays the calling party’s phone number. The phone will also display the caller’s name if the name and number are pro- grammed into your phone (s
Summary of the content on the page No. 16
17-1101.fm Page 16 Wednesday, July 21, 1999 9:57 AM If you do not answer a call, the phone displays NN CALLS MISSED (where NN is the number of calls) P W until you press any key (except R ). It also stores the caller’s number (if available) in the missed call register. See “Using the Call Register” on Page 39. Hint: To quickly store the displayed caller’s num- ber (if available) into the first empty speed-dial OK memory, hold down for about 2 seconds (see “Using Number Quick Store” on Page 5
Summary of the content on the page No. 17
17-1101.fm Page 17 Wednesday, July 21, 1999 9:57 AM To quickly dial the emergency number, hold down 9WXYZ 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 you use the phone outside its primary service area, you might have to manually dial an emergency number if it is different from the one pro- grammed into your phone. • One-touch emergency dialing does not o
Summary of the content on the page No. 18
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. CLR 1. Hold down to clear the display (if neces- sary). SEND 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 phone displays the phone number and its corresponding redial memory number (L0–L9). Note: If no number is stored in a redial memo- ry, th
Summary of the content on the page No. 19
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). To scroll forward or backward through all menu MENU functions, press then (forward) or OK (backward). Press to select a displayed func- tion. See
Summary of the content on the page No. 20
17-1101.fm Page 20 Wednesday, July 21, 1999 9:57 AM See You See Shortcut/Description Pg. MENU 7PQRS 34 LIGHTS Sets the display and key- pad backlights MENU 8 TUV 35 KEYPAD Turns keypad tones on/off TONES MENU 9 WXYZ 36 RINGING Selects the ring volume VOLUME Selects the ring type 37 RINGING TYPE Turns emergency one- 23 EMERGENCY touch dialing on/off KEY 9 Displays and selects the 25 NAM SELECT active cellular number Selects and activates the 41 CALLING calling card option CARD Changes the 4
