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17-1112.fm Page 1 Wednesday, July 21, 1999 2:34 PM
Owner’s Manual Cat. No. 17-1112
CT-503 Handheld Flip-Style
Cellular Telephone
with Headset Jack
Please read before using this equipment.
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17-1112.fm Page 2 Wednesday, July 21, 1999 2:34 PM FEATURES Your RadioShack CT-503 Handheld Flip-Style Cellular Tele- phone with Headset Jack is a state-of-the-art personal cellu- lar telephone. It has all of these features: Easy-to-Read Ten-Character Display — bright orange and green LED characters let you see essential call information in almost any lighting condition. Nine Different Ringer Styles — lets you set the phone’s ringer to help you distinguish your phone’s ring from that of anoth
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17-1112.fm Page 3 Wednesday, July 21, 1999 2:34 PM Memory Dialing — lets you store up to 40 phone numbers (of up to 32 digits each) in memory and dial any of them by pressing one, two, or three buttons. Memory Scrolling — lets you rapidly search the memory lo- cations for a number you stored. Last Number Redial — lets you quickly redial the last num- ber you called. Scratchpad Memory — lets you temporarily store a number (even during a call), then easily dial it. Security Features — to preven
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17-1112.fm Page 4 Wednesday, July 21, 1999 2:34 PM TABLE OF CONTENTS A Look at Your Phone ....................................................... 6 Reading the Display/Indicators .................................... 7 Using the Battery ............................................................. 10 Installing the Battery ................................................... 10 Charging the Battery .................................................. 11 Checking Battery Power ....................
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17-1112.fm Page 5 Wednesday, July 21, 1999 2:34 PM Special Features .............................................................. 40 Using the Messaging Functions ................................. 40 Using the Call Timers ................................................. 42 Selecting the Active Phone Number ........................... 45 Setting the Cellular System Type ............................... 46 Roaming ..................................................................... 49 Using C
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17-1112.fm Page 6 Wednesday, July 21, 1999 2:34 PM A LOOK AT YOUR PHONE 1 2 3 5 4 6 7 1. Retractable Antenna Extend during a call for optimum performance. 2. Earpiece 3. Alphanumeric Display (Ten-Character LED) Displays the status indicators, phone number, memory location number, and message. 4. Alphanumeric Keypad Enters call information or programs functions. 6
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17-1112.fm Page 7 Wednesday, July 21, 1999 2:34 PM 5. Function Keys RCL — Recalls a function or numbers stored in memory. CLR — Removes characters or clears functions. END — Ends a call or exits the functions menu. SND — Places or answers calls. VOL —Increases or decreases the ringer, earpiece, or headset volume levels. FCN — Selects functions. STO — Stores to memory or turns on functions. PWR — Turns the phone on and off. 6. Headset Jack (side of phone) 7. Flip Cover READING THE DISPLAY/IN
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17-1112.fm Page 8 Wednesday, July 21, 1999 2:34 PM Signal Strength Indicator Indicates the relative strength of the signal being received by your phone. See “Signal Strength/Service Area” on Page 15. Battery Charge Indicators Represent the current voltage level of the battery. See “Checking Battery Power” on Page 12. IU (In-Use) Indicator Flashes when a call is in progress. 8
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17-1112.fm Page 9 Wednesday, July 21, 1999 2:34 PM NS (No Service) Indicator Flashes if the phone is beyond the range of the cellular ser- vice area, meaning calls cannot be made or received. See “Signal Strength/Service Area” on Page 15. RM (Roam) Indicator Flashes if the phone is accessing a service area outside of your home system (roaming). See “Roaming” on Page 49. 9
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17-1112.fm Page 10 Wednesday, July 21, 1999 2:34 PM USING THE BATTERY Warning: A detached battery could cause property damage, injury, or burns if a metal object (such as a pen spring, bead- ed chain, or piece of jewelry) contacts the battery’s terminals and causes a short circuit. Be careful when placing a charged battery inside a coat pocket, purse, or other container that might contain metal objects. Caution: Batteries must be recycled or disposed of properly. (You can put them in the batt
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17-1112.fm Page 11 Wednesday, July 21, 1999 2:34 PM To remove the battery, be sure the phone is turned off, then press the latch at the top of the battery and slide the battery toward the bottom of the phone until it stops. Then lift the bat- tery off the phone. Note: If you have an extra charged battery and the currently installed battery becomes low during a call, you can change the battery without ending the call or losing the connection. See “Replacing a Battery During a Call” on Page 13.
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17-1112.fm Page 12 Wednesday, July 21, 1999 2:34 PM Notes: • You can use the phone while it is charging, but charg- ing takes longer. • For fastest charging, be sure the phone is turned off if you are not expecting a call. 4. When the battery is fully charged, disconnect the charger from the AC outlet. Then press in the clips on the sides of the plug and pull it away from the phone to disconnect the charger. Replace the charging jack cover. Recommended Recharging Times Approximate Battery Ty
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17-1112.fm Page 13 Wednesday, July 21, 1999 2:34 PM To see a more detailed indication of the battery’s charge level at any time, press FCN GHI 4 . The battery strength meter ap- pears on the display for about 5 seconds. Read this meter in the same way. When battery power becomes low, the phone displays Lo bAt and sounds a warning tone every few seconds. When power becomes too low for the phone to operate, it automati- cally turns off. Recharge the battery as soon as possible. Note: Rechargeab
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17-1112.fm Page 14 Wednesday, July 21, 1999 2:34 PM 2. Remove the battery, and within 3 seconds, install the fresh battery. Your call is still on the line. Note: If you do not complete Step 2 within 3 seconds, the call disconnects. IMPORTANT BATTERY TIPS • Use only the supplied charger and use only batteries designed for this phone. • You can purchase additional standard or extended capacity batteries through your local RadioShack store. • When you are not using the charger, disconnect it fr
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17-1112.fm Page 15 Wednesday, July 21, 1999 2:34 PM BASIC OPERATION TURNING THE PHONE ON/OFF PWR To turn on the phone, flip open the cover then press . The phone performs a short self test and sounds a tone, the key- pad backlight turns on for about 17 seconds, and on ap- pears. The phone is ready to use when NS (no service) disappears (see “Signal Strength/Service Area”). Notes: • The keypad backlight turns on for about 15 seconds every time you press a key, then it turns off and all but the
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17-1112.fm Page 16 Wednesday, July 21, 1999 2:34 PM Notes: • If few or no bars appear (meaning the signal strength is weak) and you want to make or receive a call, move the phone to a different location so the signal strength increases. • When all other display characters disappear to conserve battery power, the signal strength meter flashes and scrolls its bars. If NS (no service) appears on the upper left side of the dis- play, the phone is outside the cellular service area and you cannot m
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17-1112.fm Page 17 Wednesday, July 21, 1999 2:34 PM 3. Press SND to call the phone number. IU (in use) flashes g and diALin then the number called appear briefly, then on reappears. 4. To end the call, press END. Note: Closing the cover does not end or disconnect the call. System Busy Message In addition to the normal busy signal you hear when a num- ber you call is busy, your phone sounds tones and displays these messages to indicate that it cannot complete a call. Tone You See Description
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17-1112.fm Page 18 Wednesday, July 21, 1999 2:34 PM ANSWERING A CALL When the phone receives an incoming call, it rings and CALL flashes on the display. To answer the call, press SND. To end the call, press END. Notes: • Your phone can receive calls even if the antenna is not extended. For optimum performance or if the signal strength becomes weak, however, extend the antenna. • If you subscribe to calling line ID service through your cellular carrier, you can view the calling party’s phone
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17-1112.fm Page 19 Wednesday, July 21, 1999 2:34 PM ADJUSTING THE VOLUME Adjusting the Earpiece Volume To increase or decrease the earpiece volume during a call, hold down VOL . As you hold down the key, the volume in- creases or decreases (depending on the last adjustment you made) and the phone displays the volume meter for about 8 seconds. The more bars that appear on the meter, the higher the volume. To adjust the volume in the other direction (if the volume is getting louder, for example
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17-1112.fm Page 20 Wednesday, July 21, 1999 2:34 PM Using Mute To turn off the phone’s microphone during a call so the other party on the phone cannot hear you (so you can talk privately with someone else in the room, for example), press FCN MNO 6 . MUtE appears. FCN MNO To turn the microphone on again, press 6 again so MUtE disappears. Hint: To help you remember which key to use, note that “M” MNO (for mute) appears on the 6 key. Note: Pressing END to end a call also turns the microphone
