Radio Shack BTX-123 Manuale utente

Cat. No. 19-1204

OWNER’S MANUAL

Please read before using this equipment.

BTX-123

Business Band Transceiver

FEATURES

Your RadioShack BTX-123 Busi-

ness Band Transceiver is a porta-

ble, two-way business radio service

transceiver that you can carry al-

most anywhere. The crystal-con-

trolled circuitry provides accurate

and stable channel selection. The

transceiver is compact and light,

making it an ideal choice for your

business needs.

Your transceiver has the following

features:

Factory-Installed Crystals — let you

begin using your transceiver on

154.600 MHz as soon as you re-

ceive your license.

Two-Channel Operation — lets you

install optional crystals so you can

operate your transceiver on anoth-

er frequency.

Adjustable Squelch — helps elimi-

nate noise between transmissions.

RF Power Switch — lets you set

your transceiver’s output power lev-

el to high (for increased range) or

low (to save battery power).

Built-In Modulation Limiter Circuit —

automatically adjusts for a wide va-

riety of voice levels to ensure an un-

derstandable transmission.

3-Color Receive/Transmit/Battery

Low Indicator — lights green when

you receive transmissions, red when

you send transmissions, and yellow

when the battery is low.

Battery Charger — lets you recharge

the transceiver’s battery pack while

the battery pack is connected to or

removed from the transceiver.

Flexible Antenna with BNC Connec-

tor — provides excellent reception.

The BNC connector is designed so

you can easily attach and remove

the supplied antenna or an optional

one.

Belt Clip — lets you attach the trans-

ceiver to your belt or waistband.

We recommend you record your

transceiver’s serial number here.

This number is on the transceiver’s

back panel.

Serial Number_________________

RadioShack is a registered trademark used by Tandy Corporation.

CONTENTS

FCC Regulations .............................................................................................. 4

FCC License Required .............................................................................. 4

FCC Part 90 Rules .................................................................................... 5

Additional FCC Regulations ...................................................................... 6

Preparation ....................................................................................................... 7

Powering the Transceiver .......................................................................... 7

Installing/Removing the Battery Pack ................................................. 7

Charging the Battery Pack .................................................................. 7

Connecting the Antenna ............................................................................ 8

Connecting an Optional Antenna ........................................................ 9

Connecting an Earphone or Headphones ................................................. 9

Listening Safely ................................................................................. 10

Traffic Safety ..................................................................................... 10

Connecting an Extension Speaker .......................................................... 10

Using the Belt Clip ................................................................................... 10

Using an External Speaker/Microphone ................................................... 11

Changing or Adding Crystals .................................................................... 11

Ordering Crystals .............................................................................. 13

Operation ....................................................................................................... 14

Receiving Transmissions and Adjusting Squelch .................................... 14

Transmitting ............................................................................................. 15

Operational Hints ..................................................................................... 16

Troubleshooting ............................................................................................. 17

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

Specifications ................................................................................................. 19

FCC Regulations

This transceiver is intended for use

in the operation of commercial activ-

ities, educational, philanthropic, or

ecclesiastical institutions, and hos-

pitals, clinics, or medical associa-

tions.

Warning: Do not open your trans-

ceiver to make any internal adjust-

ments except changing or installing

new crystals. Any other internal ad-

justments can lead to illegal opera-

tion as defined by Part 90 of FCC

Rules. Such illegal operation can

lead to fines or confiscation of

equipment.

FCC License Required

Before you operate the transceiver,

the FCC (Federal Communications

Commission) requires that you:

• Obtain a license, which you can

get by submitting a completed

FCC Form 600 to the FCC (or

through the PCIA (Personal

Communication Industry Asso-

ciation) if you do not already

qualify for the supplied fre-

quency).

• Understand Part 90 of the FCC

Rules and Regulations. It is the

user’s responsibility to see that

this unit is operating at all times

in accordance with the FCC

Rules and Regulations.

• Apply for a frequency through

the PCIA unless you are already

qualified to operate on the sup-

plied frequency. The PCIA is a

non-profit organization that

assigns frequencies nationwide

to help prevent conflicts

between different businesses

using transceivers in the same

area.

For more information about getting a

license, contact the PCIA at 800-

759-0300, extension 3068 (in Virgin-

ia 703-739-0300, extension 3068).

For other questions concerning the

license application, contact the FCC

at 717-337-1212, or write:

FCC

P.O. Box 1040

Gettysburg, PA 17325

For the latest FCC application form

and instructions, call the FCC’s fax-

on-demand service at 1-202-418-

0177, provide the number of a fax

machine where you can receive doc-

uments, and request one or more of

the following documents:

All forms and instructions 000600

Form 600 instructions only 006001

Main Form 600 only 006002

Form 600 schedules only 006003

If you do not have access to a fax

machine, you can call the Govern-

ment Forms Distribution Center at

1-800-418-FORM and request that

the form and instructions be mailed

to you.

FCC Part 90 Rules

You must be familiar with Part 90 of

FCC Rules before you operate your

transceiver. The operation instruc-

tions in this manual conform to Part

90, but do not cover all items in Part

90.

Overall, Part 90 states that:

• You must have a valid license

before you use the transceiver.

• As licensee, you are responsi-

ble for proper operation of all

transceivers operating under

your license authority.

• You can let unlicensed persons

operate this transmitter, as long

as you take precautions to pre-

vent unauthorized transmis-

sions.

• You must use this transceiver

only for the commercial use of

your business, and only when

other commercial channels

(such as the telephone) are

either not available or not practi-

cal.

• You must always yield the oper-

ating frequency to communica-

tions that involve the safety of

life or property.

• You must take reasonable pre-

cautions to prevent harmful

interference to other services

operating on the same fre-

quency.

• You must not transmit program

material of any kind used in con-

nection with commercial broad-

casting.

• You must not provide a service

that is normally handled by tele-

phone or telegraph unless such

broadcasts involve the safety of

life or property or in emergen-

cies such as an earthquake, hur-

ricane, flood or a similar disaster

where normal communication

channels are disrupted.

• During each transmission or

exchange of transmissions, you

must identify your station with

the call sign issued to you by the

FCC, or once each 15 minutes

during periods of continuous

operation.

• You must keep a written record

of any maintenance or modifica-

tion made to the transceiver,

and you must make this record

available for inspection upon

demand by the FCC.

Violating any of the provisions of

Part 90 can result in fines and/or

confiscation of equipment.

ADDITIONAL FCC REGULATIONS

The Business Radio Service is un-

der the jurisdiction of the Federal

Communications Commission

(FCC). Any adjustments or alter-

ations that would alter the perfor-

mance of the transceiver so it no

longer meets the original FCC type

acceptance or would change the

frequency-determining method are

strictly prohibited.

Replacement or substitution of crys-

tals, transistors, ICs, regulator di-

odes, or any other component that

is of a unique nature with compo-

nents other than those recommend-

ed can violate the technical

regulations of the FCC rules or vio-

late type acceptance requirement of

the rules.

Your transceiver might cause TV or

radio interference even when it is op-

erating properly. To determine

whether your transceiver is causing

the interference, turn off your trans-

ceiver. If the interference goes away,

your transceiver is causing it. Try to

eliminate the interference by:

• Moving your transceiver away

from the receiver

• Contacting your local Ra-

dioShack store for help

PreparATION

Powering the Transceiver

You power your transceiver using

the supplied rechargeable battery

pack. You must charge the battery

pack before you use it (see “Charg-

ing the Battery Pack”).

Installing/Removing the Battery

Pack

To install the battery pack, slide it

onto the transceiver as shown.

Caution: The battery pack fits onto

the transceiver only one way. Do not

force it.

To remove the battery pack, slide

and hold up RELEASE on the side

of the transceiver in the direction of

the arrow and slide the pack off.

Charging the Battery Pack

You must charge the battery pack

using the supplied AC adapter. It

takes about 14–16 hours to recharge

a battery pack that is fully dis-

charged. You can charge the battery

pack while it is installed or removed.

Cautions:

• Do not use the transceiver while

you are charging the battery

pack. This might damage the

transceiver, the AC adapter, or

the battery pack.

• The supplied adapter supplies

12 volts and delivers at least 100

milliamps. Its center tip is set to

positive, and its barrel plug cor-

rectly fits the battery pack’s

CHRG jack. Using an adapter

that does not meet these specifi-

cations could damage the trans-

ceiver or the adapter.

• Never use any other charger to

recharge the battery pack. This

could permanently damage your

transceiver or the battery pack.

• When you finish using the AC

adapter, disconnect it from the

AC outlet first. Then disconnect

it from the transceiver.

Follow these steps to charge the

battery pack.

1. If the battery pack is attached to

the transceiver and the trans-

ceiver is on, turn it off.

2. Plug the adapter’s barrel plug

into the CHRG jack on the side

of the battery pack. Then plug

the adapter’s power module into

a standard AC outlet.

Warning: Do not use an AC adapt-

er’s polarized plug with an exten-

sion cord, receptacle, or other outlet

unless the blades can be fully in-

serted to prevent blade exposure.

Note: A rechargeable battery pack

lasts longer and delivers more pow-

er if you let it fully discharge once a

month. To do this, simply use the

transceiver until the BUSY/TX/BATT

indicator on the front of the trans-

ceiver lights yellow when you press

PUSH TO TALK. Then fully charge

the battery pack.

Important! At the end of a recharge-

able battery pack’s useful life, it must

be recycled or disposed of properly.

Contact your local, county, or state

hazardous waste management au-

thorities for information on recycling

or disposal programs in your area.

Some options that might be avail-

able are: municipal curb-side collec-

tion, drop-off boxes at retailers such

as your local RadioShack store, re-

cycling collection centers, and mail-

back programs.

Connecting THE Antenna

Caution: To prevent damage to your

transceiver, you must connect an an-

tenna before you operate it.

Follow these steps to attach the sup-

plied flexible antenna to your trans-

ceiver.

1. Align the slots around the

antenna’s connector with the

tabs on the antenna jack on top

of the transceiver.

2. Press the antenna down over

the jack and turn the antenna’s

base clockwise until it locks into

place.

To remove the antenna, turn the an-

tenna’s base counterclockwise until

it unlocks, then lift it off the antenna

jack.

Connecting an Optional Antenna

The transceiver’s antenna jack

makes it easy to use the transceiver

with a variety of antennas. Instead

of the supplied antenna, you can at-

tach a different one, such as an ex-

ternal mobile antenna or outdoor

base station antenna. Your local Ra-

dioShack store sells a variety of an-

tennas.

Always use 50-ohm coaxial cable,

such as RG-58 or RG-8, to connect

an outdoor antenna. For lengths

over 50 feet, use RG-8 low-loss di-

electric coaxial cable. If your anten-

na’s cable does not have a BNC

connector, you will also need a BNC

adapter (available at your local Ra-

dioShack store).

Follow the installation instructions

supplied with the antenna, route the

antenna cable to the transceiver,

then connect it to the antenna jack.

Warning: Use extreme caution when

installing or removing an outdoor an-

tenna. If the antenna starts to fall, let

it go! It could contact overhead pow-

er lines. If the antenna touches a

power line, contact with the antenna,

mast, cable or guy wires can cause

electrocution and death! Call the

power company to remove the an-

tenna. Do not attempt to do so your-

self.

CONNECTING an Earphone OR

HEADPHONES

For private listening, pull up the at-

tached plug then connect an optional

earphone or mono headphones with

a 1/8-inch plug (available at your lo-

cal RadioShack store) to the EAR

jack on top of your transceiver, This

disconnects the internal speaker.

Listening Safely

To protect your hearing, follow these

guidelines when you use an ear-

phone or headphones:

• Do not listen at extremely high

volume levels. Extended high-

volume listening can lead to

permanent hearing loss.

• Set the volume to the lowest

setting before you begin listen-

ing. After you begin listening,

adjust the volume to a comfort-

able level.

• Once you set the volume, do

not increase it. Over time, your

ears adapt to the volume level,

so a volume level that does not

cause discomfort might still

damage your hearing.

Traffic Safety

Do not use an earphone or head-

phones with your transceiver when

operating a motor vehicle or riding a

bicycle in or near traffic. Doing so

can create a traffic hazard and

could be illegal in some areas.

If you use an earphone or head-

phones with your transceiver while

riding a bicycle, be very careful. Do

not listen to a continuous broadcast.

Even though some earphones/

headphones let you hear some out-

side sounds when listening at nor-

mal volume levels, they still can

present a traffic hazard.

Connecting an Extension Speaker

In a noisy area, an extension speak-

er or an amplified speaker might pro-

vide more comfortable listening. You

can find a selection of speakers at

your local RadioShack store.

Pull up the attached plug then plug

the speaker cable’s 1/8-inch plug

into your transceiver’s EAR jack.

This disconnects the internal speak-

er.

Using the Belt Clip

You can attach the supplied belt clip

to the transceiver for hands-free car-

rying when you are on the go.

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