Radio Shack ET-548 Bedienungsanleitung

Cat. No. 43-1048

OWNER’S MANUAL

Please read before usin

this equipment.

ET-548

25-Channel Cordless

Headset Telephone

43-1048.fm Page 1 Tuesday, August 17, 1999 12:45 PM

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 connects to a cord-

less 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 space-

saving, upright design makes it perfect for

areas where space is limited.

Your phone includes these features:

Advanced Super CCT Circuitr

— pro-

vides 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 cord-

less phone users cannot use your phone

line when the remote keypad is on the

cradle.

10-Number Memor

Dialin

— lets you

store 10 numbers in memory for easy di-

aling.

Auto Scan — automatically selects a

clear channel when you pick up the

phone. You can also manually switch to

another channel.

Redial — lets you redial the last number

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.

Flash — sends an electronic switchhook

signal for use with special phone services

such as Call Waiting.

Touch-Tone or Pulse (Rotar

) Dialin

— lets you use your phone with either

type of service.

Belt Clip — lets you carry the phone’s re-

mote keypad on your belt for easy porta-

bility.

Hearin

-Aid Compatibilit

— lets you

use your phone with hearing aids that

have a T (telephone) switch.

COM-LOK is a registered trademark used by Tandy Corporation.

RadioShack is a trademark used by Tandy Corporation.

43-1048.fm Page 2 Tuesday, August 17, 1999 12:45 PM

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 make and receive calls if there 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 conversa-

tion or cause interference. This possible

lack of privacy can occur with any cord-

less phone.

We recommend you record your phone’s

serial number here. The number is on the

bottom of the base.

Serial Number: __________________

This symbol is intended to alert you to

the presence of uninsulated dangerous

voltage within the product’s enclosure

that might be of sufficient magnitude to

constitute a risk of electric shock. Do not

openthe product’s case.

This symbol is intended to inform you

that important operating and mainte-

nance instructionsare included in the lit-

erature accompanying this product.

The supplied adapter is a Class 2 120V

AC/12VDC adapter that delivers atleast

200 milliamps with its center tip set to

positive.

RISK OF ELECTRIC SHOCK.

DO NOT OPEN.

CAUTION: TO REDUCE THE RISK OF

ELECTRIC SHOCK, DO NOT REMOVE

COVER OR BACK. NO USER-SERVICE-

ABLE PARTS INSIDE. REFER SERVIC-

ING TO QUALIFIED PERSONNEL.

Warning: To prevent fire or shock

hazard, do not expose this product

to rain or moisture.

CAUTION

43-1048.fm Page 3 Tuesday, August 17, 1999 12:45 PM

READ THIS BEFORE

INSTALLATION

We have designed your phone to conform

to federal regulations, and you can con-

nect 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

ringer equivalence number

, or

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 more than five, your

phones might not ring. In rural areas, a to-

tal REN of three might impair ringer oper-

ation. If ringer operation is impaired,

remove a device from the line.

FCC STATEMENT

This telephone complies with Part 68 of

FCC Rules

. You must, upon request, pro-

vide the FCC Registration Number and

the REN to your phone company. These

numbers are shown on the bottom of the

base.

Note: You must not connect your phone

to any of the following:

• coin-operated systems

• party-line systems

• most electronic key phone systems

43-1048.fm Page 4 Tuesday, August 17, 1999 12:45 PM

CONTENTS

Installation .................................................................................................................... 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

......................................................................................................... 16

Care and Maintenance ............................................................................................... 18

Replacing the Battery Pack ................................................................................... 19

The FCC Wants You to Know ................................................................................ 20

Lightning ................................................................................................................ 21

43-1048.fm Page 5 Tuesday, August 17, 1999 12:45 PM

INSTALLATION

SELECTING A LOCATION

You can place the phone’s base on a

desktop, shelf, or table. Select a location

that is:

• near an AC outlet

• near a telephone line jack

• out of the way of normal activities

• away from electrical machinery, elec-

trical appliances, metal walls, filing

cabinets, wireless intercoms, secu-

rity alarms, and room monitors

The base’s location affects the phone’s

range. If you have a choice of several lo-

cations, try each to see which provides

the best performance.

Your telephone connects directly to a

modular telephone line jack. If your tele-

phone wiring does not have a modular

jack, you can update the wiring yourself

or have the telephone company update it

for you.

Notes:

• RadioShack stores sell jacks and

adapters to convert older wiring meth-

ods to modular wiring.

• The USOC number of the jack to be

installed is RJ11C.

Caution: The supplied adapter is a Class

2 120V AC/12V DC adapter that delivers

at least 200 milliamps with its center tip

set to positive. Its plug correctly fits the

phone’s DC 12V jack. Using an adapter

that does not meet these requirements

could damage the phone or the adapter.

CONNECTING THE PHONE

After you select a location for the phone’s

base, follow these steps to connect it to

AC power and to the phone line.

1. Plug one end of the supplied modular

cord into the TEL. LINE jack on the

back of the base.

2. Plug the modular cord’s other end

into a modular phone line jack.

Illustration

43-1048.fm Page 6 Tuesday, August 17, 1999 12:45 PM

3. Plug the supplied AC adapter’s barrel

plug into the DC 12V jack on the back

of the base.

4. Plug the adapter into a standard AC

outlet. The IN USE/CHARGE indica-

tor lights when the keypad is on the

base.

5. Lift the base’s antenna to a vertical

position.

CONNECTING AND

CHARGING THE BATTERY

PACK

The ET-548 comes with a rechargeable

nickel-cadmium battery pack in the re-

mote 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 Phillips screwdriver 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.

3. Replace the cover and secure it with

the screw.

4. To charge the battery pack, place the

remote keypad on the base. The IN

USE/CHARGE indicator on the base

lights.

Illustration

43-1048.fm Page 7 Tuesday, August 17, 1999 12:45 PM

Recharge the battery pack when the

TALK/LOW BATT. indicator lights.

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 POWER is

set to OFF.)

If you hear the error tones, 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. Other-

wise, the battery pack loses its ability

to fully recharge.

• If battery power is low, POWER is set

to ON, and the headset is not in use,

the TALK/LOW BATT. indicator slowly

flashes. If battery power is too low,

the indicator does not light.

Illustration

• If the IN USE/CHARGE indicator

does not light when you place the re-

mote keypad on the base, be sure the

battery pack and AC adapter are cor-

rectly and securely connected. Also,

check the charging contacts on the

remote keypad and base. If the con-

tacts are dirty or tranished, clean

them with a pencil eraser.

• If you are not going to use your phone

for an extended period of time, dis-

connect its battery. This helps to in-

crease the battery’s usable life.

Illustration

43-1048.fm Page 8 Tuesday, August 17, 1999 12:45 PM

ATTACHING THEHEADSET

HOLDER

Put the headset holder into the slot on the

back of the base and slide it into place.

ADJUSTING THE HEADSET

1. Put on the headset, and adjust the

band until it rests with almost no pres-

sure on your ear and the top of your

head.

If the headset is loose, remove it and

gently push the headset band inward

slightly to tighten it. If the headset is

tight, gently pull the headset band out

to loosen it.

2. Hold the headset in place, and turn

the microphone boom until it is about

2 inches from your mouth.

When you are not using the headset,

place it on the headset holder.

Illustration

43-1048.fm Page 9 Tuesday, August 17, 1999 12:45 PM

SETTING THE DIALING

MODE

Set TONE-PULSE on the side of the base

for the type of service you have. If you are

not sure which type you have, do this sim-

ple test after charging the battery.

1. Set POWER to ON.

2. Set TONE-PULSE to TONE.

3. Lift the remote keypad from the base.

Then press TALK/HANG UP and listen

for a dial tone.

4. Press any number other than 0.

If the dial tone stops, you have touch-

tone service. Leave TONE-PULSE set

to TONE.

If the dial tone continues, you have

pulse service. Set TONE-PULSE to

PULSE.

USING THE BELT CLIP

Use the belt clip to hang the remote key-

pad on your belt or waistband for hands-

free carrying.

Illustration

43-1048.fm Page 10 Tuesday, August 17, 1999 12:45 PM

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