Radio Shack ET-548 User Manual

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Cat. No. 43-1048
OWNER’S MANUAL
Please read before using this equipment.
ET-548
25-Channel Cordless
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FEATURES
Your RadioShack ET-548 25-Channel Cordless Headset Telephone gives you communication with both portability and convenience. It comes in two parts, a headset and a base.
The phone’s headset connec ts to a cord­less remote keypad, so you can make calls away from its base. The headset lets you keep your hands free to do other things such as cook or work at your com ­puter while you talk. The base’s space­saving, upright design makes it perfect for areas where space is limited.
Your phone includes these features:
Advanced Super CCT Ci rcuitr
— pro­vides sound clarity comparable to that of a corded phone.
Securit
Access-Protection Code
— prevents other cordless phone users from using your phone line while the remote keypad is off the cradle.
®
COM-LOK
— ensures that other cord­less phone users cannot use your phone line when the remote keypad is on the cradle.
10-Number Memor
Dialin
— lets you store 10 numbers i n memory for e asy di­aling.
Auto Scan
— automatically selects a clear channel when you pick up the phone. You can also manually switch to another channel.
— lets you redial the last number
Redial
dialed, with the touch of a button.
Privac
— prevents the person on the other end of the phone line from hearing you as you talk to someone else in the room.
— sends an electronic switchhook
Flash
signal for use with special phone services such as Call Wa iting.
Touch-Tone or Pulse (Rotar
) Dialin
— lets you use your phone with either type of service.
Belt Clip
— lets you carry the phone’s re­mote keypad on your belt for easy porta­bility.
Hearin
-Aid Compatibilit
— lets you use your phone with hearing aids that have a T (telephone) switch.
© 1997 Tandy Corporation .
COM-LOK is a registered trademark used by Tandy Corporation.
RadioShack is a trademark used by Tandy Corporation.
All Rights Reserved.
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CAUTION
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This phone has been tested and found to comply with all applicable UL and FCC standards.
Important Note: Cordless phones such as this one require AC power to operate. When the AC power is off, you cannot dial out or receive incoming calls using your ET-548. To be safe, you should also have a phone that does not need AC power to operate (not a cordless phone) so you can still mak e and recei ve calls if the re is an AC power failure.
Note: Your phone operates on standard radio frequencies as allocated by the FCC. It is possible for other radio units operating nearby on similar frequencies to unintentionally intercept your conversa­tion or cause interference. This possible lack of privacy can occur with any cord­less phone.
We recommend you record your ph one’s serial number here. The num ber is on the bottom of the base.
Serial Number: __________________
Warning: To prevent f ire or shoc k hazard, do not expose this product to rain or moisture.
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER OR BACK. NO USER -SERVICE­ABLE PARTS INSIDE. REFER SERVIC­ING TO QUALIFIED PERSONNEL.
This symbol is intended to alert you to the presence of uninsulated dangerous voltage within the product’s enclosure that mi ght b e of suff icient m agnit ude to constitute a risk of electric shock. Do not open the product’s case.
This symbol is intended to inform you that important operating and mainte-
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nance in str uc ti ons a re in clud ed in t he li t­erature accompanying this product.
The supplied adapter is a Class 2 120V AC/12V DC adapt er t hat deli ver s at le ast 200 milliamps with its center tip set to positive.
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READ THIS BEFORE INSTALLATION
We have designed your phone to conform to federal regulations, and you can con­nect it to most telephone lines. However, each device that you connect to the phone line draws power from the phone line. We refer to this power draw as the device’s REN. The REN is on the bottom of the base.
If you are using more than one phone or other device on the line, add up all the RENs. If the total is m ore th an five, your phones might not ring. In rural areas, a to­tal REN of three m ight i mpa ir rin ger op er­ation. If ringer operation is impaired, remove a device from the line.
ringer equivalence number
, or
FCC STATEMENT
This telephone complies with Part 68 of
FCC Rules
vide the FCC Registration Number and the REN to your phone company. These numbers are shown on the bo ttom of the base.
Note:
to any of the following:
• coin-operated systems
• party-line syst ems
• most electronic key phone systems
. You must, upon request, pro-
You must not conne ct your phone
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CONTENTS
Installatio n .................................................................................................................... 6
Selecting a Location ................................................................................................ 6
Connecting the Phone ............................................................................................. 6
Connecting and Charging the Battery Pack ............................................................ 7
Attaching the Headset Holder ................................................................................. 9
Adjusting the Headset .. ........................................................................................... 9
Setting the Dialing Mode ....................................................................................... 10
Using the Belt Clip ................................................................................................. 10
Operation .................................................................................................................... 11
Making and Receiving Calls .................................................................................. 11
Changing Channels ............................................................................................... 12
Setting the Volume ................................................................................................ 12
Using Redial .......................................................................................................... 12
Using Privacy ........................................................................................................ 13
Using Flash ........................................................................................................... 13
Using Tone Services on a Pulse Line .................................................................... 13
Memory Dialing ..................................................................................................... 14
Storing a Number in Memory .......................................................................... 14
Entering a Pause in a Memory Number .......................................................... 15
Dialing a Stored Number ................................................................................ 15
Chain Dialing Service Numbers ...................................................................... 15
Testing Stored Emergency Numbers .............................................................. 15
Troubleshootin
Care and Maintenance ............................................................................................... 18
Replacing the Battery Pack ................................................................................... 19
The FCC Wants You to Know ................................................................................ 20
Lightning ................................................................................................................ 21
......................................................................................................... 16
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INSTALLATION
SELECTING A LOCATION
You can place the phone’s base on a desktop, shelf, or table. Select a locat ion that is:
• near an AC outlet
• near a telephone line jack
• out of the way of normal activities
• away from electrical m achinery, elec­trical appliances, metal walls, filing cabinets, wireless intercoms, secu­rity alarms, and room monitors
The base’s location affects the phone’s range. If you have a choice of several lo­cations, try each to see which provides the best performance.
Your telephone connects directly to a modular telephone line jack. If your tele­phone wiring does not have a modular jack, you can update the wiring yourself or have the telephone company update it for you.
Caution:
2 120V AC/12V DC adapter that deli vers at least 200 milliamps with its center tip set to positive. Its plug correctly fits the phone’s that does not meet these requirements could damage the phone or the adapter.
The supplied adapter is a Class
DC 12V
jack. Using an adapter
CONNECTING THE PHONE
After you select a location f or the phone’s base, follow these steps to connect it to AC power and to the phone line.
Illustration
Notes:
• RadioShack stores sell jacks and adapters to convert older wiring meth­ods to modular wiring.
• The USOC number of the ja ck to be installed is RJ11C.
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1. Plug one end of the supplie d m odular cord into the back of the base.
2. Plug the modular cord’s other end into a modular phone line jack.
TEL. LINE
jack on the
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3. Plug the supplied AC ad apte r’s barrel plug into the of the base.
4. Plug the adapter into a standard AC outlet. The IN USE/CHARGE indica­tor lights when the keypad is on the base.
5. Lift the base’s antenna to a vertical position.
DC 12V
jack on the back
CONNECTING AND CHARGING THE BATTERY PACK
The ET-548 comes with a rechargeable nickel-cadmium battery pack in the re­mote keypad. You must connect and then charge the battery pack for at least 15 hours before you use it the first time.
1. Use a P hillips screwdriv er to remove the screw that secures the battery compartment cover, then remove the cover.
2. Slide the battery pack’s connector onto the connector pins inside the battery compartment.
Illustr ation
3. Replace the cover and s ecure it with the screw.
4. To cha rge the b attery pack, pla ce the remote keypad on the base. The IN USE/CHARGE indicator on the base lights.
Illustr ation
Illust ration
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Recharge the battery pack when the TALK/LOW BATT. indicator lights.
Illustration
Notes:
• When you first use the phone after charging or recharging the battery pack, the phone might not work and you might hear error tones. (You do not hear the error tones if
OFF
set to
.)
POWER
is
If you hear the error tone s, return the remote keypad to the cradle for at least 5 seconds to reset the security access-protection code.
• About once a month, fully discharge the battery pack by keeping the phone off the base until the TALK/ LOW BATT. indicator lights. Other­wise, the battery pack loses its ability to fully recharge.
• If the IN USE/CHARGE indicator does not light when y ou pla ce the re­mote keypad on the base, be sure the battery pack and AC adapter a re cor­rectly and securely connected. Also, check the charging contacts on the remote keypad and base. I f the con­tacts are dirty or tranished, clean them with a pencil eraser.
Illustration
• If battery power is low,
ON
to
, and the headset is not in use,
POWER
the TALK/LOW BATT. indicator slowly flashes. If battery power is too low, the indicator does not light.
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is set
• If you are not going to use your phone for an extended period of time, dis­connect its battery. This helps to in­crease the battery’s usable life.
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