Radio Shack PRO-2052 User Manual

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Owner’s Manual

1000-Channel Dual Trun king

TrunkTracker Home Scanner

Please read before using this equipment.

Cat. No. 20-432

PRO-2052

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INTRODUCTION

Your new RadioShack PRO-2052 1000-Channel Dual Trunking TrunkTracker Home Scanner is one of a new generation of scann ers designed to track Motorola Type I, Type II (such as Smartnet and Privacy Plus), GE/Ericsson EDACS, and hy brid analog trunking systems, which are extensively used in many 800 MHz, 900 MHz and UHF communi cation systems.

Trunking communications systems let a large group of 2 -way r adio users (or even different groups of 2-way radio users) efficiently use a group of frequencies. Instead of selecting a specific frequency for a transmissio n, the 2-way radio user simply sel ects a talk group. The trunking s ystem automatically transmits the call on the first available frequency , and also sends a code that uniquely identifies that 2way radio user’s transmission on a different frequency called a data channel.

Since the trunking system might send individual 2-way radi o user’s c alls and response transmissions on different frequencies, it is difficult to listen to trunked communications using a regular scanner. The PRO-2052 monitors the data channel frequ ency sent with a 2-way radio user’s tran smissi on and instantly switches to an active frequency, so you can he ar the call and response for that 2-way radio user and easily “follow” the conversation.

The scanner also lets you scan conventional transmissions, and is preprogrammed with service-search banks for conven ience. By pre ssing a single button, you can quickly search those frequencies most commonly used by public service and other agencies without tedious and complicated programming.

This scanner gives you di rect access to over 51,000 exciting frequencies, including those used by police and fire departments, ambulance services, and amateur radio services, and you can change your selection at any time.

FEATURES

Your scanner also has these special features:

Flexible Operation

both Motorola and GE/Erics son trunking systems (used by most trunking communications systems today), letting you hear more calls than many standard trunking scanners.

Frequency Coverage to 1.3 GHz

provides a wide ran ge of frequencies you can listen to.

Twenty Channel-Storage Banks

let you store 50 channels in each bank (1000 total channels), letting you group channels so you can more easily identify calls.

— you can track

—

1999 Tandy Corporation.

RadioShack is a registered trademark used by Tandy Corporation.

HyperSearch and HyperScan are trademarks used by Tandy Corporation.

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NWR-SAME/Weather Alert

— you can set the scanner to sound an alert when it receives NOAA’s Specific Area Message En codi ng (S AM E) co d ed weather emergency sig nal, providing more complete information about weather conditions in yo ur immediate area and letting you avoid hearing alerts for geographical areas that do not interest you.

Remote PC Function

— lets you control the PRO-2052 from your pe rsonal computer.

Five Scan Lists

— let you store up to 50 IDs in each tracki ng bank (up to a total of 1000).

Triple-Conversion Circuitry

— virtually eliminates any interference from IF (intermediate frequency) images, so you hear only the selected frequency.

Scan Delay

— delays scanning for about 2 seconds bef ore m oving to an other channel in conventional mode, so you can hear more replies that are made on the same channel. In trunk scanning mode, it delays for about 5 seconds before moving to another ID.

Lock-Out Function

— lets you set your scanner to skip over specified channels or frequencies when scanning or searching, and skip over IDs when tracking trunked systems.

Priority Channels

— lets you pro-

gram one channel in each bank (10 in

all). As the scanner scans a bank, it checks the bank’s pr iority channel e very 2 seconds so you don't miss transmissions on that channel.

Five Service-Search Banks

— let you search preset frequen cies in separate public se rvice, police, fire/emer gency, aircraft, and weather b anks, to make it easy t o loca t e sp e cif i c types of calls.

HyperSearch and HyperScan



— let you set the scanner to search at up to 300 steps per se cond (i n frequen cy bands with 5 kHz steps) and scan at up to 50 channel s per se cond, to help you quickly find interesting broadcasts. (The normal search speed is 100 steps per second).

Data Signa l Skip

— lets you set the scanner to skip non-modulated or data signals during scanning and searches. This lets the scanner avoid non-voi ce signals, making a sc an or sea rch faster.

Manual Access

— you can directly access any stored channel by entering that channel’s number.

Liquid-Crystal Display

— makes it easy to view and change programming information.

Display Backlight

— makes the scanner easy to read in low-light situations.

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Supplied Telescoping Antenna

— provides good reception of strong local signals.

External Antenna Terminal

— lets you connect an external ante nna with a BNC connector to the scanner for improved reception of distant/weaker signals.

Memory Backup

— keeps the channel frequencies stored in memory in the event AC power goes out.

Key Confirmation Tones

— the scanner sounds a to ne when yo u perform an operation correctly, and an error tone if you make an error.

Duplicate Channel Alert

— warns you when the frequency you are stor ing already exists in memory.

Disconnect Tone Detect

— the scanner automatically tunes to th e tr un ki ng data channel when it receives a disconnect transmission. You can turn this feature off to conti nuo usl y mon ito r a channel with a weak transmission during disconnected conversations.

Your PRO-2052 scanner can receive these bands:

Frequency

Range (MHz)

29–29.7 10-Meter Ham Band

29.7–50 VHF Lo 50–54 6-Meter Ham Band

108–136.975 Aircraft

137–144 Military Land Mobile 144–148 2-Meter Ham Band 148–174 VHF Hi

179.75–215.75 VHF TV 216–225 1-Meter Ham Band 225–400 UHF Aircraft 400–420 Federal

420–450 70-cm Ham Band 450–470 UHF Standard Band 470–512 UHF “T” Band 806–824

851–869 896–956

Types of

Transmissions

Government

Public Service “800” except Cellular Band

1240–1300 25-cm Ham Band

Note:

See “Specifications” on Page 68 for more information about the scanner’s frequency steps.

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FCC NOTICE

Your scanner m ight cause radio or TV interference even when it is op erating properly. To determine whether your scanner is causing the interference, turn off your scanner. If the interference goes away, your scanner is causing it. Try the following methods to eliminate the interference:

• Move your scann er a w ay from the receiver.

• Connect your scanner to an outlet that is on a different electr ical circuit from the receiver.

• Contact your local RadioShack store for help.

Note:

Mobile use of this scanner is unlawful or requires a per mit in some areas. Check the laws in your area.

SCANNING LEGALLY

Your scanner covers frequencies used by many different group s including police and fire departments, ambulance services, government agencie s, private companies, a mateur rad io ser vices, military operations, pager services, and wireline (telephone and telegraph) service pro vide rs. It is leg al to listen to almo st every transmission your scanner can receive. However, there are some transmissions you should never intentionally listen to. These include:

• telephone conversations (cellular, cordless, or other private means of telephone signal transmission)

• pager transmissions

• any scrambled or encrypted transmissions

According to th e Electro nic Comm unications Privacy Act (ECPA), you are subject to fines and possible imprisonment for intentionally listening to, using, or divulging the contents of such a transmission unless you have the consent of a par ty to the communication (unless such activity is otherwise illegal).

This scanner is designed to prevent reception of illegal transmissions, in compliance with the law which requires that scanners be man ufactured in such a way as to not be easily modifiable to pick up those transmi ssions. Do not open your scanner's case to make any modifications that c ould allow it to pick up transmissions that it is not legal to listen to. Doing so could subject you to legal penalties.

We encourage responsible, legal scanner use.

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CONTENTS

Preparation ........................................................................................................... 8

Connecting an Antenna ................................................................................... 8

Connecting Power ........................................................................................... 9

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

Connecting an Earphone/Headphones ......................................................... 11

Understanding Your Scanner ............................................................................ 12

A Look at the Front Panel .............................................................................. 12

A Look at the Display ..................................................................................... 14

Understanding Banks .............. ....... ...... ....... ...... ....... ...... ....... ...... .................. 17

Understanding Trunking ............................... ............................................. ..... 17

Operation ............................................................................................................ 18

Turning On the Scanner and Setting Squelch ............................................... 18

Storing Known Frequencies into Channels .................................................... 18

Searching Service Banks .............................................................................. 19

Limit Search ................................................................................................... 20

Scanning the Stored Channels ...................................................................... 21

Manually Selecting a Channel ....................................................................... 21

Deleting a Frequency from a Channel ........................................................... 21

Priority ........................................................................................................... 21

Special Features ................................. ...... ....... ...... ....... ...... ....... ...... ....... ...... ..... 23

Delay ............................................................................................................. 23

Turning Channel-Storage Banks On and Off ................................................. 23

Locking Out Channels and Frequencies ........................................................ 23

Turning the Key Tone On and Off ................................................................... 24

Changing Search Speeds .............................................................................. 25

Skipping Data Signals ................................................................................... 25

Using NWR-SAME and Weather Alert .......................................................... 25

Testing Weather Alert Reception ................................................................... 28

Trunk Scanning .................................................................................................. 30

Types of Trunking Systems ............................................................................ 30

Setting the Scanner to the Trunk Scanning Mode ......................................... 31

Setting Squelch for the Trunk Scanning Mode ............................................... 31

Programming Trunked Frequencies ............................................................... 32

Scanning a Trunked Bank .............................................................................. 33

Monitoring IDs ............................................................................................... 37

Channel Activity Indicators ............................................................................ 37

Scan Lists ...................................................................................................... 37

Scanning the Scan Lists ................................................................................ 39

Scanning Type I and Hybrid Trunked Systems .............................................. 40

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PC Remote Function ......................................................................................... 46

Connecting the Scanner to a Computer ........................................................ 46

Setting the Remote Communication Format ................................................. 46

Turning the Remote Function On and Off ..................................................... 47

PC to Scanner Commands ............ ....... ...... ............................................. ..... 47

PC to Scanner Functions List ....................................................................... 48

Scanner to PC Responses ............................................................................ 52

Scanner Mode Codes ................................................................................... 53

A General Guide to Scanning ........................................................................... 55

Guide to Frequencies .................................................................................... 55

Guide to the Action Bands ............................................................................ 56

Band Allocation ............................................................................................. 57

Frequency Conversion .................................................................................. 63

Troubleshooting ..................... .................... ................... .................... ................. 64

Resetting the Scanner .................................................................................. 66

Care and Maintenance ...................................................................................... 67

Specifications .................................................................................................... 68

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PREPARATION

This scanner is des igned primarily for use in the home as a base station. You can place it on a desk, she lf, or table.

Your scanner’s front feet fold up or down. Adjust them to give you the best view of the display.

Your scanner’s display is protected during shipment by a piece of film. Peel off this film before you use the scanner.

The scanner’s sensitivity depends on the antenna’s leng th an d v ariou s e nv ironmental condition s. For the best reception of the transm issions you want to hear, adjust the antenna’s length.

Frequency Antenna Length

29–54 MHz Extend fully

CONNECTING AN ANTENNA

Connecting the Supplied Antenna

You must install an antenna before you can operate the scanner.

The supplied telescoping antenna helps your scann er receive strong local signals. To install the antenna, thread it clockwise into the hole on the scanner’s top.

108–400 MHz Collapse one

segment

406–1300 MHz Collapse both

segments

Connecting an Outdoor Antenna

Instead of the supplied antenna, you can connect an outdoor base-station or mobile antenna (not supplied) to your scanner using a BNC conn ector. Your local RadioShack store sells a variety of antennas. Choose the one that best meets your needs.

When deciding on a mobile or basestation antenna an d its location, consider these points:

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• The antenna should be as hi gh a s possible on the vehicle or building.

• The antenna and its cable shoul d be as far as possible from sources of electrical noise (appliances, other radios, etc.).

• The antenna should be vertical for the best performance.

To connect an optional base-station or mobile antenna, first re move the supplied antenna from the scanner. Always use 50-ohm co axial cable, such as RG-58 or RG-8, to connect the base-station or mobile antenna. For lengths over 50 feet, use RG-8 lowloss dielectric co axial cable. If the antenna cable’s connec tor does not fit i n

ANT.

the

jack, you migh t also need a Motorola-to-BNC ante nna plug adapter, such as RadioShack Ca t. No. 278 -

117. Your local RadioShac k store c arries a wide variety of coaxial a ntenna cable and connectors.

Once you choose an antenna, follow the mounting instructions supplied with the antenna. Then route the antenna’s cable to the scanner and connect the cable to the

ANT.

jack on the

back of the scanner.

Cautions:

• Do not run the cable over sharp edges or mov ing parts that might damage it.

• Do not run the cable next to power cables or other antenna cables.

Warning:

Use extreme caution when you install or remove an outdoor antenna. If the antenna starts to fall, let it go! It could contact overhead power 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 antenna. DO NOT attempt to do so yourself.

CONNECTING POWER

Using AC Power

The scanner’s supplied AC adapter lets you power the scanner from a standard AC ou tlet. To conne ct po wer to the scanner, insert the AC adapter’s barrel plug into the back of the scanner, then plug the AC adapter into a standard AC outlet.

DC 12V

jack on the

ANT

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Cautions:

You must use a Class 2 power source that sup-

plies 12V DC and delivers at least 500 mA. Its center t ip must be set to positive and its plug must fit the scann er's jack. The supplied a dapter meets these specifications. Using an adapter that does not meet these specifications could damage the scanner or the adapter.

• Always connect the AC adapter to the scanner before y ou connect it to AC power. When you finish, disconnect the adapter from AC power before you disconnect it from the scanner.

Warning:

er’s polarized plug with an extension cord receptacle unl ess the bl ades can be fully inserted to prevent blade exposure.

Do not use the AC adapt-

DC 12V

ANT

Cautions:

You must use a power source that supp lies 12V

DC and delivers at least 500 mA. Its center ti p must be set to positive and its pl ug mus t fi t th e scanner's plied adapter meets these specif ications. Using an adapter that does not meet these specifications could damage the scanner or the adapter.

• Always conne ct the ad apter to the scanner before you connect it to the power source. When you finish, disconnect the DC adapter from the power source befor e you disconnect it from the scanner.

DC 12V

jack. The sup-

Using Yo ur Vehicle’s Battery Power

If your AC power fails (during an emergency, for example), you can power your scanner from your vehicle’s cigarette lighter socket with an optional DC cigarette lighter power cable, (not supplied).

To connect an optional DC cigarette lighter power cable, insert its barrel plug into the of the scanner, then plug the power cable into your vehicle’s cigarette lighter socket.

DC 12V

jack on the back

Note:

If you use a cigarette lighter power cable and your vehicle’s engine is running, you might hear electrical noise from the engine whi le scanning. This is normal.

CONNECTING AN EXTENSION SPEAKER

In a noisy area, an amplified extension speaker (available at your local RadioShack stor e) positi oned in the r ight place, might provide more comfortable listening.

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Plug the speaker ca ble’s

-inch (3.5-

mm) plug into your scanner’s jack.

Note:

Connecting an external speaker disconnects the scanner’s internal speaker.

CONNECTING AN EARPHONE/ HEADPHONES

Listening Safely

To protect your hearing, follow these guidelines when you u se an ea rphon e or headphones.

• Do not listen at extremely high volume levels. Extended highvolume listening can lead to permanent hearing loss.

VOLUME

•Set before you begin listening. After you begin listening, adjust

UME

to a comfortable level.

• Once you set increase it. Over time, your ears adapt to the volume level, so a volume level that doe s not cause discomfort might still damage your hearing.

to the lowest settin g

VOL-

VOLUME

, do not

For private listeni ng, you can connect an earphone or headphones with a

inch (3.5-mm) plug to the jack on the front of the scanner. (Your local RadioShack store carries a wide selection of earphones and headphones). This automatically disconnects the internal speaker.

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UNDERSTANDING YOUR SCANNER

Once you understand a few simple terms we use in this manual and familiarize yourself with your scanner’s features, you can put the scanner to work for you. You simply determine the type of communications you want to receive, then set the scanner to scan them.

frequency

A active frequencies, you can use the

is the tuning loc ation of a station (express ed in k Hz or MHz ). To fin d

function.

You can also search the quencies categorized by type of service.

When you find a freque ncy, you c an stor e it into a prog ramma ble me mory lo catio n called a

bank

the frequencies stor ed there. Each time the scanner finds an a ctive frequency, it stays on that channel until the transmission ends.

channel

. You can then

, which is grouped with your other channels in a

service-search banks

scan

the channel-storag e banks to see if there is ac tivity on

, which are preset gr oups of fre-

channel-storage

A LOOK AT THE FRONT PANEL

Your scanner’s k eys mi ght s eem confusing at first, but th is i nfor m atio n sh oul d h el p you understand each key’s function.

Note:

Some of the scanner’s keys perform more than one function and are marked with more than one l ab el. The steps in this Ow ner ’s Manual show only th e l abe l o n the key appropriate to the action being performed.

VOLUME

SQUELCH

Turns the scanner on or off and adjusts the volume. Adjusts the scanner’s squelch.

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SCAN

In conventional sca nning, scan s through stor ed ch annels; in trunking mode, scans through the scan lists and turns on/off the S-bit feature.

MANUAL

Stops scanning and lets you directly en ter a channel number or frequency.

TRUNK

SVC

(service) Selects a service bank; turns on/off the disconnect

Selects trunk scanning or conventional mode.

tone detect feature.

PRIORITY/SPEED

Sets and turns on and off the priority feature; turns the HyperSearch mode on and off; in Trunking mode, programs the priority ID.

Number Keys Each key has singl e-digit ( 0 to 9) an d do uble-di git (1 1

to 20) labels. Use single di gits to enter a cha nnel, fr equency, ID number, or bank numbers 1 to 10. Use double-digits to enter bank numbers 11 to 20.

CLEAR

•

Clears an entry; enters a decim al point ; in trunk scanning mode, sets the range between fleet and sub-fleet for Motorola Type 1 IDs an d sets the range between agency and fleet for Ericsson EDACS IDs.

(enter) Enters frequencies into channels; enters IDs into scan

lists.

LIMIT/

▼

Sets the frequency range; sets the search direction and holds a frequency search.

DELAY

Programs a 2-secon d delay for the se lected channel , a limit search, or each se rvice scan. Al so programs a 5-second delay in trunk scanning mode.

Searches a specified frequency range to find frequencies; searches for active IDs in the trunk scanning mode.

L/O/SKIP

(lock out/skip) Lets you lock out selected channels or frequencies;

lets you lock out a selec ted ID in the trunk scanning mode.

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REMOTE/HOLD/

DATA/ALERT

SHIFT

▲

Turns the remote function on or off; rent ID in trunk scanning mode; sets the sear ch direc tion and holds the frequency search.

Turns the data signal sk ip feature and the SAME aler t features on or off, or chec ks th e c ur rent tr un ki ng b ank in trunk scanning mode.

Press with number keys to select banks 11 through

20.

holds on the cur-

A LOOK AT THE DISPLAY

The display has ind icators that show the scanner ’s current operating status. This quick look at the display will help you understand how your scanner operates.

LIST

BANK

Appears with numbers (1–20) to indicate the scan

PUB

POLICE

FIRE/EMG

AIR

Appears with a number ( 1–5) to indic ate the list nu mber.

bank. Indicates (along with the activity indicator) that the

scanner is searching the public safety service bank. Indicates (along with the activity indicator) that the

scanner is searching the police service bank. Indicates (along with the activity indicator) that the

scanner is searching the fire/emergency service bank. Indicates (along with the activity indicator) that the

scanner is searching the air service bank.

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TRUNK

(activity indicator)

SFT

ALERT

Indicates (along with the activity indicator) that the scanner is searching the weather service bank.

Appears when the scanner is in trunk scanning mode. 1–20 appears as the bank number or list number.

Shows which service bank is currently active. Shows which control/voice channels are currently active.

Appears when the scanner is in the shift mode; flashes when the remote function is on.

Appears when the trunking syste m type is Motorola.

Appears when the trunking system type is EDACS.

Appears when the weather alert is on; flashes when the scanner receives an ALERT signal or SAME alert.

Appears when a priority channel is selected or the priority ID is set.

SCAN

MANUAL

PRI

HOLD

DELAY

DATA

Appears when the scanner scans channels. Appears when you set the scanne r to its manual

mode. Appears when the priority feature is turned on. Appears when the scanner is holding during a

search. Appears when the delay feature is turned on. Appears when the data skip function is active; ap-

pears in the trun k scanning mode when the disconnect tone detect function is off.

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L/O

(lockout) Appears when you manually select a channel, fre-

quency, or ID that is locked out.

▼

Error

▲

Lights steadily duri ng a limit search, service search, and ID search, and blinks while HyperSearch is active and when you monitor IDs. The arrow indicates the search direction.

Appears if you make an entry error.

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UNDERSTANDING BANKS

Channel Storage Banks

To make it easier to identify and select the channels you want to listen to, channels are divi ded into 20 banks of 50 channels each. Use each channelstorage bank to group frequencies, such as those used by th e police department, fire department, am bulance services, or aircraft (see “Guide to the Action Bands” on Page 56).

For example, the police department might use four frequencies, one for each side of town. You could program the police frequencies starting with Channel 1 (the first channel in ba nk 1) and program the fire department frequencies starting with Channel 51 (the first channel in bank 2).

Service Banks

The scanner is preprogrammed with the frequencies allocated by public safety, police, fire/emergen cy, airc raft, and weather services. This is handy for quickly finding active frequencies instead of searching th rough an en tire band (see “Searchin g Service Banks” on Page 19).

UNDERSTANDING TRUNKING

In the past, groups that b roadcast frequently, such as police departments, were restricted to tr ansmitting on just a few frequencies. This resulted in heavy traffic and often r equired 2-way radio users to wait for a specific frequency to clear before transmitting.

Trunked systems allow more groups of 2-way radio users to use fewer frequencies. Instead of selecting a specific frequency to transmit on, a trunked system c hooses on e of sev er al frequencies when the 2-way radio user presses PTT (push to talk). The system automatically transmits the call on that frequency, and also se nds a code that ide ntifies that 2-wa y radio user’s transmission on a data channel.

You can set this scanner to monitor the data channel frequency, so you can hear both the call and response transmissions for that 2-way radio user and therefore fo llow the conversation. (You canno t listen to the data channel itself in trunking mode.)

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OPERATION

TURNING ON THE SCANNER AND SETTING SQUELCH

1. Turn

2. Turn

3. Turn

Notes:

• If the scanner does not scan, tur n

• If the scanner picks up unwanted,

SQUELCH

counterclockwis e.

VOLUME

you hear a hissing sound.

SQUELCH

leave it set to a p oint ju st afte r the hissing sound stops.

SQUELCH

partial, or very weak transmissions, turn decrease the scanne r’s sensitiv ity to these signals. If you want to li sten to a weak or distant station,

SQUELCH

turn

back clockwis e u nt il

further clockwise.

SQUELCH

VOLUME

and

clockwise, then

clockwise to

counterclockwise.

fully

directories every year, so be sure to get a current copy.

Note:

quencies, see “P rogramming Trunke d Frequencies” on Page 32.

Follow these steps to store frequencies into channels.

To store trunking system fre-

1. Press nel number (1–1000) where you want to store a frequency, then press nel number appears.

2. Use the number keys and enter the frequency (including the decimal point) you want to store.

3. Press the channel.

MANUAL

to store the frequency into

, enter the chan-

again. The chan-

•

SQUELCH

• If always hear a hissing so und, the scanner will not scan properly.

is adjusted so you

STORING KNOWN FREQUENCIES INTO CHANNELS

Good references for active frequencies are the RadioShack “Police Call Guide including Fire and Emergency Services,” “Official Aeronautical Frequency Directory,” and “Mariti me Frequency Directory.” We update these

Notes:

• If you made a mistake in Step

Error

2, scanner beeps when y ou press

. Simply start again from Step

• Your scanner automatically rounds the entered frequency to the nearest valid f re que nc y. For example, if you enter a fre-

appears and the

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quency of 151.473, your scanner accepts it as 151.475.

• If you entered a frequency that is already stored in another channel, the scanner beeps three times and displays the lowest channel number where the frequency is alr eady stor ed. If you want to store the frequency anyway, press

•Press scanner to pause 2 se conds on this channel after a transmission ends before it proceed s to the next channel (see “Delay” on Page 23). The sca nner also stores this setting in the channel.

4. To program the next channel in sequence, press repeat Steps 2 and 3.

DELAY

if you want the

again.

MANUAL

and

• POLICE — contains 2,392 police frequencies

• FIRE/EMG — contains 197 fire and emergency service frequencies

• AIR — contains 2,319 aircraft an d air service frequencies

• WX — contains 7 weather frequencies

To select a service ba nk, press

(activity indicator) appears above

the service bank’s nam e

LICE

and one of the preset public service frequencies appe ar. After a 2-second delay, scannin g be gins in the selected bank.

To select another service bank, repeatedly press above the name of t he bank y ou want to use.

FIRE/EMG, AIR

SVC

(

, and

until appears

SVC

PUB, PO-

)

SEARCHING SERVICE BANKS

You can search for publ ic servi ce, police, fire/emergency, aircraft, and weather transmissions even if you do not know the s pecific frequen cies that are used in your area. You can also store any of the frequencies you find into channels.

Your scanner has the following preprogrammed service banks.

• PUB — contains 140 public service frequencies

Notes:

• To skip data signals (such as modem signals ), p ress “Skipping Data Signals” on Page 25.

• Because frequencies are not always assigned to the same se rvices everywher e, you might hear transmissions from one service in another service bank.

DATA

. See

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Press

to start searching immediately or to continue searching if you want to skip a frequency.

During service-searc h, you can press

HOLD

to pause the searching.

HOLD

appears. Press ▲ or ▼ to move up or down one step, or press

resume search ing . Follow these steps to store service

bank frequencies into channels.

1. Press

MANUAL

2. Use the number keys to enter the channel number (1–1000) where you want to store the frequency,

SVC

MANUAL

then

to select

then press

3. Press a service bank and begin searching.

4. When the scanner stops on a transmission, press

HOLD

. The

frequency appears.

5. Press

to store the frequency into

the channel.

store a frequency, then press

MANUAL

again. The channel num-

ber appears.

2. Use the number keys and enter the frequency that is the

•

lower limit of the range you want to search.

LIMIT.

3. Press

4. Use the number keys and • to enter the frequency that is the upper limit of the range you want to search.

5. Press

LIMIT

then

. The scanner begins to search from the lower limit to the upper limit.

6. When the scanner stops on a transmission, quickly press either:

•

to store the displayed frequency into the channel. The scanner stores the frequency.

•▲ or ▼ to stop searching so you can listen to the transmis-

HOLD

sion.

appears.

To release hold and continue searching, press

LIMIT SEARCH

If you do not know a frequency to store, you can search for transmissions within a range of frequencies you select, called the

range

. Then you can store any interesting frequencies yo u find into channels.

1. Press

MANUAL

nel number where you want to

limit search

, enter the chan-

Notes:

• To step through the frequencies

HOLD

while

▼

•Press ▲ then

appears, press ▲ or

to search from lowest to highest frequency, or press ▼ then

search from highest to lowest frequency.

20-432.fm Page 21 Friday, July 14, 2000 11:30 AM

• If you tune to a search skip frequency, ing Out Channels and Frequencies” on Page 23.

• To skip data signals (such as modem signals), press “Skipping Data Signals” on Page 25.

L/O

appears. See “Lock-

DATA

. See

SCANNING THE STORED CHANNELS

To begin scanning channels, press

SCAN

. The scanner scans throu gh all non-locked channe ls in all banks that are turned on, then stops on the fir st transmission it fin ds. When the transmission ends, the scanner resumes scanning.

Notes:

• Channels with no frequencie s are automatically locked out during scanning.

• To scan in the trunkin g mode, see “Scanning a Trunked Bank” on Page 33.

MANUALLY SELECTING A CHANNEL

You can continuously monit or a si ngle channel without sc ann ing . T his i s u se ful if you hear an emergency broadcast on a chann el and do not want to miss any details — even thou gh there

might be periods of silence — or if you want to monitor a specific channel.

Follow these steps to man ually select a channel.

1. Press

2. Enter the channel number.

3. Press

Or, if your scanner is scanning and stops at the desired channel, press

MANUAL

additional time s causes your scanner to step through the channels.)

To resume scanning, press

MANUAL

one time. (Pressing

again.

MANUAL

SCAN

DELETING A FREQUENCY FROM A CHANNEL

1. Press

2. Use the number keys to enter th e

3. Press

MANUAL

channel number containing the frequency you want to delete. Then press

then E. The frequency is

deleted.

MANUAL

again.

PRIORITY

The priority feature lets you scan through channels and still not miss important or inte resting calls on speci fic channels. You can program one stored channel in each bank as a pri-

20-432.fm Page 22 Friday, July 14, 2000 11:30 AM

ority channel (for up to a total of 10 stored channels). As the scanner scans the bank, if the priority feature is turned on, the scan ner c hecks the pri ority channel for activit y every 2 seconds.

Changing Priority Channels

The scanner automatically designates each bank's fir st channel as its priority channel. Follo w these steps to select a different channel as the priority channel for a bank.

1. Press

2. Enter the channel number you

3. Hold down

MANUAL

want to select as the priority channel, then press

scanner beeps twice. appears to the right of the channel number.

MANUAL

PRIORITY

again.

until the

channel ever y 2 se c ond s in ea ch ban k that is turned on, starting from the lowest to the highest-numbered priority channel.

To turn off the priority feature, press

PRIORITY

Note:

turned off to use the data ski p feature (see “Skipping Data Signals” on Page 25).

PRI

disappears.

The priority feature must be

Locking Out Priority Channels

You can lock out priority channels. If you lock out all priority channels,

CH Loc Out

on the priority feature.

appears when you t urn

4. Repeat Steps 2 and 3 for the channel in each bank you want to program as a priority channel.

To turn on the priority feature, press

PRIORITY

pears. As you scan the bank, the scanner checks the bank’s priority

during scanning.

PRI

ap-

20-432.fm Page 23 Friday, July 14, 2000 11:30 AM

SPECIAL FEATURES

DELAY

Many agencies use a two-way radio system that might have a period of 2 or more seconds between a tr ansmission and a repl y. To keep from missing a reply, you can program a 2second delay in to any channel or frequency. The scanner continues to monitor the frequency for 2 seconds after the transmission stops b e fo re re suming scanning or searching.

To program a 2-second delay:

• If the scanner is scanning channel-storage banks and stops on an active channel where you w ant to store a delay, quickly press

DELAY

before scanning res umes.

DELAY

• If the desired channel is not selected, manually select the channel, then press

DELAY

appears.

DELAY

appears.

TURNING CHANNELSTORAGE BANKS ON AND OFF

You can turn each channel-storage bank on and off. W hen you turn off a bank, the scanner does not scan any of the 50 channels in that bank.

For banks 1–10, while s canning pre ss the number key that corresponds to the bank you want to turn on or off. For banks 11–20, press press the number key that corresponds to the bank you want to turn on or off.

Notes:

• You can manually select any channel within a ba nk , even i f tha t bank is turned off.

• Yo u canno t turn off all ba nks. O ne bank is always active.

SHIFT

, then

• If the scanner is searching, press

DELAY

scanner automatically adds a 2second delay to every transmission it stops on in that band or limit range.

To turn off the 2-sec ond delay, press

DELAY

the channel or searching service banks or limit ranges. pears.

DELAY

while the scanner is monitoring

appears and the

DELAY

disap-

LOCKING OUT CHANNELS AND FREQUENCIES

You can scan existing channels or search frequencies faster by locking out channels or freque ncies that have a continuous tran smission, such as a weather channel.

Note:

If you just want to skip over a lengthy transmission (such as a modem signal), see “Skipping Data Signals” on Page 25.

20-432.fm Page 24 Friday, July 14, 2000 11:30 AM

Locking Out Channels

To lock out a channel whil e scanning,

L/O

press the channel. To lock out a channel manually, select the channel and press

Note:

locked-out channels. To remove the lockout from a channel,

select the channe l and press

L/O

To remove the lo ckout from all channels in the channel-sto rage ba nk s t hat are turned on, press scanning, then hold d own scanner beeps twice.

when the scanner sto ps on

L/O

You can still manually select

disappears.

until

L/O

appears.

MANUAL

L/O

until

to stop

until the

Notes:

• The scanner does not display locked-out frequencies during a search.

L/O

•

appears when you select a

locked-out frequency.

• You can lock out up to 50 frequencies during a limit search and 20 during a service bank search. If you try to lock ou t more frequencies, the first locked-out frequency is automatically unlocked.

To remove the lockout from a frequency, select the frequency then

L/O

press To remove the lockout from all fre-

quencies, while searching, press

HOLD

scanner beeps twice.

L/O

disappears.

then hold down

L/O

until the

T URNING THE KEY T ONE ON AND OFF

Locking Out Frequencies

To lock out a frequency during a limit search or servic e bank search, press

L/O

when the scanner stops on the frequency. The scan ner locks out the frequency, then continues searching. To lock out a frequency manu ally, select the frequency and press

L/O

appears.

L/O

until

The scanner is preset to sound a tone each time you pr ess a key. To tu rn o ff the key tone, turn off the scanner. Then, while holding down turn on the scanner. appears. To turn the key tone back on, repeat this procedure. ly appears.

OFF bEEP

L/O/SKIP

on bEEP

briefly

brief-

20-432.fm Page 25 Friday, July 14, 2000 11:30 AM

CHANGING SEARCH SPEEDS

The PRO-2052 has two search speeds for a limit search.

Normal Search HyperSearch

100 steps/

second

To switch bet ween the no rma l and HyperSearch speeds during a limit search, press es during HyperSearch.

SPEED

300 steps/ second

flash-

To turn on the data skip feature, be sure the priority feature is turned off (see “Priority” on Page 21), then press

DATA

. feature, press appears.

appears. To turn off the

DATA

again.

DATA

dis-

USING NWR-SAME AND WEATHER ALERT

Traditional weather radios simply receive the NOAA (National Oceanic and Atmospheric A dm ini s tra tio n) weather broadcast (usually within a 50mile radius), then sound an alarm if any emergency code was transmitted along with the broadcast. T his means that people who liv e outsid e an a ffected area are often alerted even when their area is not affected, causing many of them to ignore potentially real weather warnings that can save lives.

Note:

You can use HyperSearch onl y in the 5 kHz step ban ds (29–54 MHz, 137–174 MHz, and 216–224.995 MHz).

SKIPPING DATA SIGNALS

You can set the scanner so it skips nonmodulated or data signals (such as modem transmissions) during a scan or search.

Note:

Since data signals are not gen erally found in the air and VHF TV bands, this feature does not work in those bands.

In 1994, NOAA began broadcasting coded signals called FIPS (Federal Information Processing System) codes along with their standard weather broadcasts from stations in your area. These codes identify the type of emergency and the specific geographic area (such as a county) affected by the emergency. Your scanner receives, interprets, and displays information about the codes so you can determine if the e mergency might affect your area.

compatible radios (such as this scanner) are able to take advantage of this new technology.

Only SAME-

048439

State

County Subdivision

County/ Parish

20-432.fm Page 26 Friday, July 14, 2000 11:30 AM

Each FIPS code identifies a specific geographic area (defined by the National Weather Service), so your scanner sounds an alert only when a weather emergency is de cl ar ed in t hat area. This helps you more efficiently track the weather conditions in and around your area.

When a Weather Alert Occurs

When the scanner rec eives a weathe r alert:

• it sounds a series of beeps

• an indicator appears

The scanner also receives other weather-related signals such as test events ( events (

Warning:

er Service) uses sophisticated weather models to determine an alert’s effective time. However , the end of an alert does not necessarily mean that the related weather emergency is over.

Note:

SAME code, it re tains the information in the scanner’s memory. This information stays in memory even if you change modes, but is erased when you turn the scanner off.

TSt

appears) and other

---

appears)

The NWS (National Weath -

Once the scanner rec eives the

Understanding FIPS Codes

For the purpose of broadcasting weather information, the NWS has divided the United States into regions by state and county ( or parish, where applicable) then assigned a 6-digit FIPS code to identify each county or parish. For exam ple, t he co de for T arrant County, Texas, is 048439.

The first digit in a FIPS code identifies the county subdivision, the next two digits identify the state, and the last three digits identify the county or parish.

Note:

Most FIPS codes begin wit h 0, which means the code repres ents an entire county. The NWS, however, plans to eventually subdivide some large counties. When that happens, each subdivision will be assigned a digit from 1–9, resulting in codes such as 148439, 248439, and so on.

Your scanner can receive all SAME alert signals broadcas t within about a 50-mile radius of where you installed it. To receive SAME alerts and bro adcasts about weathe r occurring only in particular counties within that area, you can program up to fifteen FIPS codes into the sc an ner ’s me mor y ( see “Entering Your Area’s FIPS Code(s)”

20-432.fm Page 27 Friday, July 14, 2000 11:30 AM

on Page 28). For example, this lets you avoid hearing an aler t tha t app li es to an area within a 50-mile radius but not necessarily to yo ur county or parish.

Note:

If you do not program any FIPS location cod es into the scanner’s fir st memory (F1), the sc anner sounds an alert if it receives a wea ther alert with

any

FIPS code.

Obtaining Your Area’s FIPS Code(s)

To obtain the FIPS cod e for the location where you install ed your sca nner, contact your local RadioShack store or call the NWS toll free at 1-888NWR-SAME (1-888-697-7263). If you call the NWS, follow the instructions you hear.

Note:

If you are close to a county or parish line, you might want to obtain the codes for the nearby counties or parishes.

Hint:

Since you can program up to fifteen FIPS codes into the scanner’s memory, you might want t o obtain the code for other local ar eas tha t you fre quently travel through (as long as these areas are within a 50 mile radius of your location and within an area covered by your loc al NWS broadca st station). That way, you can program those codes into the s canner and receive broadcasts cov ering those loca tions, too.

Turning on the SAME and Weather Alert

ALERT

appears.

SVC

until

appears

(if the

HOLD

1. Repeatedly press appears above

2. Press and the scanner is set to receive a SAME-coded signal. The scanner’s audio is muted until it receives the signal.

When the scann er receives a SAMEcoded signal, it sounds a series of beeps, broadcast is a statement), broadcast is a watch), or broadcast is a warning) ap pea rs. A fter that, the scanner automatically tunes to the weather channel where the code was broadcast and you hear the weather broadcast.

To stop the alert , pre ss an y key on t he scanner. The alert sound stops and you hear the weather broadcast.

Warning:

do not wait for an alert tone; turn on the weather broadcast and monitor the weather information.

To detect a SAME -coded signal on a specific weather chann el, press during weather search to stop on a specific channel, press ▲ or ▼ to select the desired weather chan nel , the n press

When the scanner detects a SAMEcoded signal broadcast on the we ather channel you selected, it sounds a

ALERT

flashes, and L3 (if the

If severe weather threatens,

ALERT

20-432.fm Page 28 Friday, July 14, 2000 11:30 AM

series of beeps and L3 (if the broadcast is a statement), cast is a watch), or broadcast is a warning) appears.

Once the scanner receives a SAMEcoded signal, it retai ns the i nform ation in its memory. This information stays in memory even if you change modes, but is erased when you turn off the scanner. You can switch to weather search mode to check the alert level.

(if the broad-

(if the

Entering Your Area’s FIPS Code(s)

1. Turn on the SAME alert function (see “Turning on the SAME and Weather Alert” on Page 27).

2. Hold down

3. Enter the FIPS code using the number keys, then press E.

4. To enter another FIPS code, press

▲

or ▼, then repeat Steps 2 and

Note:

entered in Step 3 (while the code appears on the display), press then E.

until F1 appears.

To clear a FIPS code you

TESTING WEATHER ALERT RECEPTION

For your scanner to effectively warn you about weather alert signals, you must place it where it can receiv e an emergency alert b roadcast and wher e you can hear its alert tone.

In the United State s, the NWS broadcasts a test alert every week on Wednesday between 11 AM and 1 PM. To find out the specific test schedule in your area, contact your local NOAA or NWS office. These offices are usually listed in the telephone book under “US Governme nt, Department of Commerce.”

Important:

reception of a weather broad cast signal does gency alert broadcast wi ll trigger your scanner’s alert function.

Note:

the test alert if there is bad weather in any surrounding area.

Testing the Alert Beep

The fact that you get c lear

not

guarantee that an emer-

The NWS might not broadcast

5. When you finish, press

Note:

If you do not program any FIPS location codes into the scanner’s first memory (F1), the s canner sounds an alert if it receives a wea ther alert with

any

FIPS code.

SVC

1. If necessary, repeatedly press

SVC

until appears above

2. If necessary, press

ALERT

3. Hold down onds. The scanner sou nds a loud series of beeps.

4. Press any key to stop the alert.

is not on the display.

ALERT

for about 3 sec-

ALERT

20-432.fm Page 29 Friday, July 14, 2000 11:30 AM

Testing NWR-SAME Code Detection

1. Turn on the SAME alert function (see “Turning on the SAME and Weather Alert” on Page 27).

2. Hold down onds. The selected frequency number and the display. Then, when the scanner receives a test code, appears.

3. Press mode.

ALERT

for about 3 sec-

TESt

alternate on

to exit the test

TSt

20-432.fm Page 30 Friday, July 14, 2000 11:30 AM

TRUNK SCANNING

Your scanner is designed to track transmissions on Motorola Type I, Type II, GE/Ericsson EDACS, and hybrid analog trunking systems. Remember these important points when tracking transmissions:

• Your scanner monitors Type II systems by defaul t. However, you can change this if the system in your area is differen t (see “Types of Trunking Systems” on this page and “Scanning Type I and Hybrid Trunked Systems” on Page 40 for more information).

• Your scanner tracks a trunked system conventional mode, but it cannot do both at the same time.

• The frequencies for many of the 800 MHz public safety systems are listed in the separate “National Public Safety Trunked System Frequency & Talk Group Guide” included with this scanner.

scans frequencies in

TYPES OF TRUNKING SYSTEMS

Your trunk scanning scanner can monitor three basic types of systems

Type I, Type II, and EDACS

— stead of selecting a s pe ci fi c freq uen cy to transmit on, a trunked system chooses one of sev eral frequ encies i n a 2-way radio user ’s talk group when that user presses PTT (push to talk). Thus, trunking systems allocate a few frequencies among man y different users, but the way Type I and Type II systems do this is slightly different.

One important distinction between these systems is the amount of data transmitted by each radio when its PTT button is pressed. In a Type I system, the radio’s tal k group ID and its current affil iation (the trunk s ystem it belongs to) are both transmitted. In a Type II system, only the radio’s talk group ID is transmitted.

. In-

Why the difference? In Type I systems, each radio in th e t runk gr ou p i ndividually transmits its own affiliation, while the trunk system maintains a database that determines each radio's affiliation(s) in Type II systems.

Another difference between the systems is that Type I systems are arranged in a fleet-subfleet hierarchy. For example, it is possible for a city using a Type I system to designate four fleets, each with eight subfleets.

20-432.fm Page 31 Friday, July 14, 2000 11:30 AM

The fleets might be the police department, the fire department, th e utilities, and city administration. The police might decide to furt her divide its fleet into subfleets such as dispatch, tactical operations, detectives, north, south, east, and west side patrols, and supervisors. All the available police radios would then be assign ed to one of the police subfle ets, letting the police centralize their communications and control the type of users on a single system. Determining the exact fleetsubfleet hierarchy for a partic ular area is referred to as

ming

The disadvantage of a Type I system is that the brief burst of data sent when a user transmits must contain the radio’s talk group ID, and its fl eet and subfleet. This is three times the amount of data a Type II sy stem rad io sends. Since the data capacity of Type I systems is limited and the amount of data increases with each user, Type I systems usually accommodate fewer users than Type II systems. Nevertheless, Type I systems are still in use.

fleet map program-

You do not need to determine the fleet-subfleet hierarchy for Type II systems unless you are tracking hybrid systems that contain both Type I and Type II systems.

SETTING THE SCANNER TO THE TRU NK SCANNING MODE

TRUNK

Press scanner’s conventional and trunk scanning modes.

to switch between the

SETTING SQUELCH FOR THE T RUNK SCANNING MODE

There are also are a combination of both T ype I and Type II. Your scanner defaults to monitor Type II systems, but you can change to Type I or a hybrid of Type I and Type II systems by selecting a pre programmed fleet map or creating a custom fleet map for your area (see “Scanning Type I and Hyb rid Trunked Systems” on Page 40).

hybrid

systems which

The squelch setting can affect how fast your scanner acquires the data channel, and in some instances, can prevent your scanner from acquiring the data channel at all.

Adjusting track transmissions precisely.

SQUELCH

is necessary to

20-432.fm Page 32 Friday, July 14, 2000 11:30 AM

We recommend you set the position shown here before selecting a trunked bank.

Note:

Change this setting as necessary to get the best performance in your area.

SQUELCH

PROGRAMMING TRUNKED FREQUENCIES

Before you program your scanner to track a trunked system, consider the following:

• Valid trunked system frequencies are as shown below.

Motorola system

935.0125–939.9875 MHz (in 12.5 kHz steps)

851.0000–868.9875 MHz (in 12.5 kHz steps)

406.0000–512.0000 MHz (in 12.5 kHz steps)

137.0000–174.0000 MHz (in 5 kHz steps)

Ericsson EDACS system

900.0000–956.000 MHz (in 12.5 kHz steps)

806.0000–899.9875 MHz (in 12.5 kHz steps, except cellular frequencies)

406.0000–512.0000 MHz (in 12.5 kHz steps)

137.0000–174.0000 MHz (in 5 kHz steps)

• Y ou can use any of your scanner’s banks as either a trunk scanning bank or conventional scanning bank, but you cannot mix the two.

• The scanner only scans one trunked system at a time. Although you can store frequencies for more than one trunked s ystem in one of your scanner’s banks, the scanner only scans the frequencies asso ciated with the first data channel it finds.

Before scanning a trunked system’s transmissions, you must store the trunked system’s frequencies in one of the banks in your scanner by following these steps.

1. Set the scanner for conventional scanning, then ho ld down until the scanner beeps twice.

BANK, TRUNK

numbers flash.

2. Press a number key to select th e bank for the trunked system’s frequencies. To select a bank between 11 and 20, press then the number keys. T he scanner displays one of six system types.

3. Use ▲ or ▼ to select the system type, then press

, and the bank

TRUNK

SHIFT

20-432.fm Page 33 Friday, July 14, 2000 11:30 AM

You See Trunk System

Motorola Type I,

800 MHz frequencies

EDACS frequencies

Motorola Type II,

UHF frequencies

Motorola Type II,

VHF frequencies

Motorola Type II,

800 MHz frequencies

Motorola Type II,

900 MHz frequencies

–

E 1

UHF

–

800

900

4. Use the number keys to enter the trunked system’s frequencies,

then press

Note:

If you entered an invalid frequency, the scanner beeps, the channel number flashes and

Error

appears. Press

CLEAR

to clear the frequency, then repeat Step 4.

5. Press either

MANUAL

or ▲ to select the next channel in the bank.

6. Repeat Steps 4 an d 5 until all frequencies have been entered.

SCANNING A TRUNKED BANK

You can scan on e trunked bank at a time. Once you have stored frequencies for a trunked system in one or more of the 20 available banks, and you are scanning non-trunked frequencies, follow these steps to begin trunk scanning.

1. Turn on the scanner and begin scanning in conventional mode.

2. Press

TRUNK

. The indicators for all banks that have been programmed with trunked frequencies flash, and

TRUNK

and

BANK

appear.

3. To see all banks programmed with Motorola system frequencies, press ▲. All banks programmed with Motorola system fre quencies flash. To see all banks programmed with EDACS system frequencies, press ▲ again. All banks programmed with EDACS system frequencies flash.

4. Use the number keys to activate the trunked bank you want to scan. appears under the selected bank’s number.

5. Press

SEARCH.

As the scanner searches for the trunk’s data channel (the channel that controls the trunk),

flashes. When the scanner finds the data channel, it begins trunk scanning.

If you entered all of the trunk’s frequencies, you should be able to follow conversations between broadcasters even when they change frequencies. IDs which represent different service groups appear.

Note:

To see the bank currently in

use (for about 5 seconds), press

DATA

6. To return to conventional scanning, press

TRUNK

again.

20-432.fm Page 34 Friday, July 14, 2000 11:30 AM

Hint:

While scanning, you will not know exactly whom the talkgroup IDs are assigned to u ntil you lis ten awhile or until you locate talkgr oup ID lists in frequency guides or on internet sites such as www.trunkscanner.com. Within a few minutes, you can usuall y figure out if what you are listening to is a police, fire, or emergency medical 2way radio user. Other talkgroup IDs might take some time, but determining whom each ID represents is half the fun of trunk scanning!

Turning Status Bit Ignore On or Off

You can set how your scanner w orks

status bits

with ting you control how the scanner interprets and displays talkgroup IDs.

The last four bits of a Mo tor ola T y pe II talkgroup ID (a binary 16-bi t code) are the status bits. In some sy stems, status bits identify special situations (such as an emergency status).

(also called S-bi t s), le t -

Turning Banks On or Off During Trunk Scanning

As in conventi onal scanning, you c an turn each channel-storage bank on and off during trunk scanning. When you turn off a ba nk, the scanne r does not scan any of the 50 channels in that bank.

1. Press

2. Press the numb er ke y for t he ba nk

If the bank number is off, the scanne r does not scan any of the channels within that bank.

DATA

. All active trunk bank

numbers appear.

you want to add or delete.

Skipping the Trunked Bank

To skip to another trunked bank while you are listening to a trunked bank, hold down

DATA

Your scanner is preset to as sume tha t the status bits in a talkgroup ID ar e s et to 0 and ignores them. For example, when the scanner receives the talkgroup ID 010111001110 reads the ID as 010111001110 and converts the first 12 bits of the ID to 23776 (the tal kgroup ID). However, since the status bit value is 3 (0011 converted to deci mal e qua ls 3 ), th e ID is actually 23779.

If you are scann ing a Motorola T ype I system and do not have a fleet map for that system, you might have to turn off status bit ignore in order to determine the proper fleet map.

Important:

system other than a Motorola Type I system, be sure status bit ignore is set

to sions.

If you are scanning any

or you will mis s some tra nsmis-

0011,

0000

20-432.fm Page 35 Friday, July 14, 2000 11:30 AM

Follow these steps to turn status bit ignore on or off.

1. Hold down status bit ignore setting (

OFF

) appears.

2. Press ▲ or ▼ to select then press

SCAN

until the current

OFF

Identifying a Trunked Frequency

To identify a trunked freq uency, press

▼

when the scanner stops on a talkgroup ID. The trunked frequency briefly flashes twice. To show the frequency longer, hold down ▼. The scanner beeps, then the trunked frequency and talkgroup ID alternate.

Switching EDACS Format

The EDACS system uses two group ID formats: Agency-Fleet-Subfleet (AFS) and Decimal. If you us e a list of IDs shown in one format (AFS) and the ID you want to receive is in the other format (such as decima l, for example), hold down the decimal format. T he ID appe ars in decimal format and

SVC

to switch to

flashes.

ples.

. Note the following exam-

Example 1

Agency = 01 Press 0 1 .

01 ---

appears during search.

Example 2

Agency = 01, Fleet = 01 Press 0 1 . 0 1

01-01-

To stop an ID range search, press

appears during search.

again.

Using Trunk Scanning Scan Delay

Many trunked sy stems have a period of 2 or more seconds between a transmission and a reply. You can program a 5-second delay so the scanner holds on an ID for 5 seconds to wait for a reply. The scanner continues to monitor the frequency for 5 seconds after the transmission stops before resuming scanni ng .

Press scan delay on or off. when trunk scanning scan delay is set.

DELAY

to turn trunk scanning

DELAY

appears

EDACS ID Range Search

To make searching for EDACS IDs faster, set a range for the Agency or Fleet listings. Sim ply use the number keys to enter the Agen cy or the A gency and the Fleet listing, then press

20-432.fm Page 36 Friday, July 14, 2000 11:30 AM

Note:

If you consistently miss responses even with trunk scanning scan delay set, you might need to change the default sy stem type or the fleet map you are using. See “Scanning Type I and Hybrid Trunked Systems” on Page 40.

Monitoring an Active ID

When the scanner stops on a transmission, follow these steps to h ol d the scanner on that transmission.

Note:

You can also follow these steps to hold on an ID while scanning a scan list. See “Scan Lists” on Page 37.

1. Press

HOLD

the scanner stays on the current ID.

2. To continue trunk sc anning, press

HOLD

appears and

Note:

If you lock out an ID while searching, it is also locked out of the scan list(s). See “Scan Lists” on Page 37.

Unlocking a Single ID

1. Hold do wn short beeps.

2. Repeatedly press ▼ or ▲ to select the ID you want to unlock.

3. Press the next locked ID appears.

4. Press viously selected function.

L/O

until you hear tw o

L/O

. The ID is unlocked and

to resume the pre-

Unlocking All IDs

Hold down beeps, then press IDs at once. The scanner beeps twice.

L/O

until you hear two short

to unlock all the

Locking Out IDs

As with conventional scanning, it is possible to lock out unwanted traffic. This is particula rly important in trunked systems becaus e signals you cannot listen to (such as water meters, door alarms, traffic signals, and encrypted signals) are as signed IDs just like other user s. You can lock out up to 100 IDs.

To lock out an ID, pres s ID appears. The ID i s locked ou t, and the next active ID appears.

L/O

when the

Note:

When you unlock all the IDs,

the scan list mode appears. Press

SCAN

to scan the IDs stored in your

scan lists or press

to resume the previously selected function. For more informatio n about s can lis ts, se e “Scan Lists” on Page 37.

20-432.fm Page 37 Friday, July 14, 2000 11:30 AM

MONITORING IDS

You can use your sca nner’ s disp lay to monitor the frequencies in a trunked system for activity. You cannot hear conversations in thi s mode, but this is an excellent way to determine which talk groups are the most active.

To set the scanner to monitor IDs, hold down beeps twice. talk group IDs appear in succession. To stop monitoring IDs, press

Note:

out IDs also appear.

again.

When you monitor IDs, locked-

until the scanner

flashes, and all

CHANNEL ACTIVITY INDICATORS

Your scanner has 20 channel activity indicators (bars). The bars show that transmissions are be ing re ceiv ed on a trunked system.

• The bar that flashes when an ID appears represent s the frequency being used by the radio you are currently hearing.

• If a bar turns on but you do not hear a conversation, the channel is probably being used for a telephone interconnect call or a private call, or the indi cator might b e a locked-out ID. Your scanner does not monitor these types of calls.

• If the scanner is holding on an ID which is not acti ve, the other bars turn on and off as other groups use the system

A bar appears for each fr equency you store in a trunking bank.

You can use the bars to tell how many frequencies are be ing used and generally monitor ho w much communication traffic is occurring on a trunked system.

• A bar that remains on steadily even when there are no current transmissions represents the frequency being used as the data channel.

SCAN LISTS

When you program trunked frequencies into a bank (see “Programming Trunked Frequencies” on Page 32), your scanner sets up 5 scan lists into which you can store your favorit e IDs. Each list can c ontain up to 10 IDs, so you can store a total of 50 IDs for each trunk scanning b ank (1000 IDs if you use all banks as trunking banks).

20-432.fm Page 38 Friday, July 14, 2000 11:30 AM

Scan lists help you organize trunking system users in to categories. For example, you might us e List 1 for pol ice IDs, List 2 for fire de partment IDs, List 3 for emergency medical service IDs, and so on. Once IDs are stored in lists, you can scan them like you scan conventional channels. You can program IDs into scan lists manually, during a search, or automatically.

Manually Storing IDs into Scan Lists

1. Select the desired trunking bank (see “Scanning a Trunked Bank” on Page 33).

2. After the scanner begins trunk scanning, press list number appears at the top of the display, and a bar shows the channel activity.

Scan List Number

MANUAL

. A scan

b. Enter the subfleet number, then

press

Note:

entering an ID, press start over at Step 4.

To clear a mistake while

CLEAR

, then

Or, to enter an EDACS ID:

a. Use the number keys to enter the agency number, then press

b. Enter the fleet number, then the subfleet number, then press

5. Repeatedly press to select the next scan list location you want to program. Then repeat Step 4 to enter another ID.

MANUAL

•

▲

Storing IDs into Scan Lists While Searching

Follow these steps to select a scan list location and store an ID during a search.

1. When your scanner stops on an ID you want to store, press

ORITY

. The currently selected

scan list memory location flashes.

PRI-

3. Repeatedl y pr ess ▲ or ▼ to select the scan list location you want to program.

4. Enter the Type II ID you want to store, then press

Or, to enter a Type I ID:

a. Use the number keys to enter the block number and the fleet number, then press

•

2. Press selected scan list memory location. Or, repeatedly press ▲ or to select another location, then press

3. Press ing.

to store the ID in the

to resume search-

▼

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Automatically Storing an ID in a Scan List Location

To store an ID in the first available scan list location during a search,

press stops on that ID.

Or, follow these steps to store an ID in a specific scan list location.

Note:

location automatically overwrites any ID that is already stored in that loca tion.

To display a scan list location and store an ID in that location during a search, pre ss current scan list location, the n press when your scanner stops on an ID you want to store.

at any time after the s canner

1. Press

2. Repeatedly press ▲ or ▼ to

3. Press

PRIORITY

ID appears.

choose a specific scan list location.

An ID you enter into a sc an list

when the desired

PRIORITY

to display the

SCANNING THE SCAN LISTS

Press lists you have programmed.

SCAN

Note:

you have stored do not work, flashes twice and the scanner beeps several times, then the scan list numbers appear at the top of the display.

To remove a scan list from active scanning, use the num ber keys to enter the scan list’s number. The scan list indicator turns off, and the IDs in that list are not scanned.

Note:

lists. One scan list must always be active.

To restore a scan list to active scanning, use the number keys to enter its

number again. Press

ously selected function.

SCAN

to begin scanning the

scrolls on the display.

If more than one of the scan IDs

Error

You cannot remove all the scan

to return to the previ-

Deleting a Stored ID

1. Press

2. Repeatedl y pr ess ▲ or ▼ to select

3. Press

MANUAL

the scan list location (shown at the top of the display) you want to delete.

then E.

Priority ID Scanning

As in conventio nal scanning, you can designate one ID in each scan list as a priority ID.

To select an ID as a prio rity ID, hold

PRIORITY

down when the scanner sto ps on the ID. appears.

for about 2 seconds

20-432.fm Page 40 Friday, July 14, 2000 11:30 AM

Press

PRIORITY

to turn on priority

scanning.

Note:

Priority scann ing does not w ork

if the ID is locked out.

SCANNING TYPE I AND HYBRID TRUNKED SYSTEMS

Your PRO-2052 is set to s can Type II user IDs by default. When you scan trunked frequencies, each Type II user ID you see appears as an eve n number without a dash (such as 2160). Your PRO-2052 c an also scan Type I trunked systems. Each Type I ID appears as a three- o r fo ur-d ig it num ber , followed by a hyphen, followed by a one- or two-digit number (such as 200-14).

If you notice a mix o f odd- and evenuser IDs (such as 6477, 2160, 6481, 6144, and 1167), then you are probably monitoring either a Type I or hybrid (a combination of Ty pe I and Type II user IDs) system. (See “Types of Trunking Systems” on Page 30).

You might also notice that you are missing responses when you hold on an active ID. Unlike Type II system s, Type I and hybrid systems require a fleet map that sets specific fleetsubfleet parameters. It is easy to select a fleet map to scan; what is not always easy is selecting or programming a map that is being used in you r particular area.

When a Type I system is designed, the address informati on for all its us er IDs is divided into 8 e qual - size blo ck s, numbered 0–7, and each bl ock is assigned a size c ode. When you set u p your scanner to track a Type I system, you must choose a size code for each block. When yo u have chosen a size code for all 8 bl oc ks, y ou wil l hav e duplicated the

fleet map

for the system you are tracking. If you have chosen correctly, you will be able to track transmissions in that sy s tem.

Each size code d efines the nu mber of fleets, subfleets, and IDs each block has. For example, yo u can see in the following table that a siz e code of S4 has one fleet, which is divided into 16 separate subfleets, and it has a total of 512 individual IDs.

Size Fleets Sub-

fleets

S0 Reserved block for Type II IDs S1 128 4 16 1 S2 16 8 64 1 S3 8 8 128 1 S4 1 16 512 1 S5 64 4 32 1 S6 32 8 32 1 S7 32 4 64 1 S8 16 4 128 1

Size Fleets Sub-

fleets

S9 8 4 256 1 S10 4 8 256 1

IDs Block

Used

IDs Block

Used

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S11 2 16 256 1 S12 1 16 1024 2 S13 1 16 2048 4 S14 1 16 4096 8

Each ID in the block is unique. The left-most digit is the block number in the ID. The next two digits identify which fleet is active, and the last digit(s) (after the hyphen) identifies the subfleet.

The size codes selected by a Type I system designer depend on the specific needs of the system’s users. Some organizations might want many subfleets with only a few radio s each, while another org anization m ight want only a few sub fle ets , with m any ra dios each. To scan Type I systems, you must select or program a fleet map with the same size code assignmen ts as the trunked system. If you do this accurately, you will track all the fleet and subfleet combinations used by the system. In other words, you wi ll hear complete communications while monitoring a trunked system.

Now listen to the communications. If you decide yo u are receiving most of the replies to the conversations with IDs assigned to the block you just programmed, then you hav e prob ably selected the right size code and can work on the next block of the map.

There are 16 preset fleet maps to choose from, and it is best to start with these when setting up a Type I or hybrid trunk scanning bank. If none of the following preset fleet maps allow you to follow comple te conversations, then you probably need to program your own fleet map (see “Programming a Fleet Map” on Page 44).

E1P1 E1P2

Block Size

Code

0S110S4 1S111S4 2S112S4 3S113S4 4S114S4 5S115S4

Block Size

Code

Note:

www.trunkscanner.com

plans to make preset fleet maps available as they become known.

If you do not already know the size codes used, you will have to guess them. But since you do not have to figure out all the blocks at once, this is not as hard as it se ems. Selec t a size code for a block, t hen press

6S116S4 7S117S4

E1P3 E1P4

Block Size

Code

0S40S12

1S41

Block Size

Code

(S12)

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E1P3 E1P4

Block Size

Code

2S42S4 3S43S4 4S44S4 5S45S4 6S126S4 7

Block Size

0S40S3 1S41S10 2S122S4 3 4S44S12

(S12)

E1P5 E1P6

Code

(S12)

Block Size

Code

7S4

Block Size

Code

3S4

E1P7 E1P8

Block Size

Code

5S45S3 6S46S4 7S47S4

E1P9 E1P10

Block Size

Code

0S40S0 1S41S0 2S02S0 3S03S0 4S04S0 5S05S0 6S06S4 7S07S4

Block Size

Code

Block Size

Code

5S45(S12) 6S46S12 7S47(S12)

E1P7 E1P8

Block Size

Code

0S100S1 1S101S1 2S112S2 3S43S2 4S44S3

Block Size

Code

E1P11 E1P12

Block Size

Code

0S40S0 1S01S0 2S02S0 3S03S0 4S04S0 5S05S0 6S06S0 7S07S4

Block Size

Code

20-432.fm Page 43 Friday, July 14, 2000 11:30 AM

E1P13 E1P14

Block Size

Code

0S30S4 1S31S3 2 S11 2 S10 3S43S4 4S44S4 5S05S4 6S06S12 7S07

E1P15 E1P16

Block Size

Code

0S40S3 1S41S10 2S42S10 3 S11 3 S11 4S114S0 5S05S0 6 S12 6 S12 7

(S12)

Block Size

Code

(S12)

Block Size

Code

(S12)

2. Press a n umber key to select th e bank where you want to s tore the preset fleet map.

3. Repeatedly press ▲ or ▼ to select

(Type I and hybrid), then press

4. Press

DATA

5. Repeatedly press ▲ or ▼ to select the name of the desired map (such as

E1P7

), then press E.

The scanner then s earches for transmissions using the preset map you chose.

Note:

When the scanner searches for transmissions, you see Type I fleet and subfleet IDs such as

100-9, 000-12

, or

400-8

100-12

How do you know if the preset map you selecte d is correct? List en to see if you are following complete conversations. If not, try another preset map.

Selecting a Preset Fleet Map

1. Set the scanner for conventional scanning, then hold down until the scanner beeps twice.

BANK, TRUNK

, and the bank

numbers flash.

TRUNK

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Programming a Fleet Map

1. Set the scanner for conventional scanning, then hol d down until the scanner beeps twice.

BANK, TRUNK

numbers flash.

2. Press a number key to select the bank where you programmed Type I trunk frequencies.

3. Repeatedly press ▲ or ▼ until appears, then press E.

4. Press

5. Repeatedly press ▲ or ▼ until

6. Repeatedl y pr ess ▲ or ▼ to select

7. Repeat Step 6 until you have

8. Press

Note:

S13, or S14, these restrictions ap ply:

• S12 can only be assigned to

DATA

USr

appears, then press

the size code for the first block, then press block appears.

selected a size code for each block you want to work with.

the trunking programming mode, tunes the data channel, then begins to search using the map you programmed.

If you select size code S12,

Blocks 0, 2, 4, or 6.

, and the bank

. The next available

. The scanner ex i ts

TRUNK

DATA

Since these siz e codes require multiple blocks, you will be prompted for the next available block when programming a fleet m ap. F or ex amp le, i f you assign Block 0 as an S12, the scanner prompts you for block available, instead of you assign Block 0 as an S14, you would not see another prompt because it uses all available blocks.

, the next

. And if

Programming a Hybrid System

A hybrid system is simply a Type I system with some of its blocks designated as Type II bl ocks . To program a hybrid system, follow the steps listed in “Programming a Fleet Map” on Page 44. However, if you want a block to be Type II, select si ze code Step 6.

Programming the Base and Offset Frequencies

To properly track Motorola VHF and UHF trunked systems, you must program the applicable frequencies for each system.

These settings can be found at

www.trunkscanner.com

frequency resources.

and

base

and similar

offset

• S13 can only be assigned to Blocks 0 and 4.

• S14 can only be assigned to Block

1. Set the scanner for conventional scanning, then ho ld down until the scanner beeps twice.

2. Press th e number key of the bank where you want to store the b ase frequency.

TRUNK

20-432.fm Page 45 Friday, July 14, 2000 11:30 AM

3. Repeatedl y pr ess ▲ or ▼ to select

E2-Hi

4. Press

E2-UHF

DATA

. The preset ba se fre-

, then press E.

quency appears.

5. Enter a desired frequency, then

press

6. Press

DATA

. The preset offset fre-

quency appears.

7. Enter the frequency using the number keys accord ing to the following guide, then press

• For Motorola Type II VHF, (E2-

Hi band) use 5 kHz steps between 5 kHz–100 kHz.

• For Motorola Type II UHF, (E2-

UHF band) use 12.5 kHz steps between 12.5 kHz–100 kHz.

Note:

For example, if you program 406.0250 as a trunked frequency, the base and offset frequencies are as follows:

• BASE: 406.0000 MHz, OFFSET:

12.5 kHz=Channel 2

• BASE: 406.0000 MHz, OFFSET:

25.0 kHz=Channel 1

8. Repeat the steps under “Programming Trunked Frequencies” on Page 32 to store the trunk ed system’s frequencies in your scanner’s banks.

Turning the Motorola Disconnect Tone Detect Function On/Off

While trunk scann ing a Motorola system, your scanne r aut omatic ally tu nes to the data channel wh en it detects a disconnect tone (a code that tel ls the trunking system that the transmitter has finished sending) on the voice channel.

You can manually turn off this function so the scanner does not tune to the data channel under those conditions. Use this feature to listen to weak transmissions when conversations are generally disconnected.

To turn the disconnect tone detect function off, set the scanner to trunk track then press beeps and flashes for about 5

DATA

seconds.

Notes:

• To set the scanner so it remains on the voice chan nel (even when a disconnect tone is transmitted or there is no signal at all) set

SQUELCH

noise.

• You cannot use the disconnect tone detect function if you are programming a trunking frequency or a fleet map.

SVC

. The scanner

so you hear a hissing

To set the scanner to automatically tune to the data channel once again when it detects a disconnect tone,

SVC

press

. disappears.

DATA

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PC REMOTE FUNCTION

Your scanner’s PC Remote function lets you connect the scanner to a computer then use the computer to operate most of the scanner’s functions, the same way as if you were using the keys on the scanner’s front panel.

CONNECTING THE SCANNER TO A COMPUTER

Caution

before connecting or disconnecting your scanner. Otherwise you could damage your computer or the scanner.

To connect the scann er to your computer, plug one en d of an optional 9pin serial cable (a va il abl e at y our l oc al RadioShack store) into the back of the scanner, then plug the other end of the cable in to your computer’s serial port.

: Always turn off the computer

REMOTE

SETTING THE REMOTE COMMUNICATION FORMAT

To set the remote commu nication format so the scanner and c omput er can communicate with each other, use standard Windows communications software (such as Modem Master or Hyper Terminal, not supplied). See your software’s documentation for more information about operating it.

Software Settings

Use the following settings for the communications software.

BPS rate 2400/4800/9600/

19200 BPS Start/Stop bit 1 bit Data Length 8 bit Parity Check None Code ASCII Flow Contr ol None Return Code Carriage Return only

Scanner Settings

If necessary, follow these steps to change your scanner’s BPS (bits per second) rate.

Note:

All other functions are inactive

while you set the BPS rate.

REMOTE

and turn on

1. Hold down your scanner. The current BPS rate appears.

2. If necessary, press ▲ or ▼ to change the BPS rate.

3. Press

4. Turn off the scanner.

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TURNING THE REMOTE FUNCTION ON AND OFF

To turn the remote function on or off, hold down beeps.

REMOTE

SFT

flashes when the remote

until the scanner

function is turned on.

PC TO SCANNER COMMANDS

Follow these steps to enter commands to operate the scanner using your computer.

1. Make sure your computer and scanner are connected (see “Connecting the Scanner to a Computer” on Page 46).

2. Run your co mputer ’s communication software (see “Setting the Remote Communication Format” on Page 46).

3. Type a command listed in the following table then press Enter on your computer’s keyboard.

For this operation

Scan Manual Select channel 0–9

(decimal point)/Clear E (Enter) Priority/scan speed L/O/Skip Hold/▲ (up)/Remote Limit/▼ (down) Search SVC Data/Alert Delay Trunk

Type this

command KEY00

KEY01 KEY02 #

where # equals the numeric number

KEY03 KEY04 KEY05 KEY06 KEY07 KEY08 KEY09 KEY10 KEY11 KEY12 KEY13

Shift

KEY14

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PC TO SCANNER FUNCTIONS LIST

For the following functions, type the command then press Enter on your computer’s keyboard.

Function Command

Check frequency stored in a channel #

Check if Delay is on Clear the scanner’s memory

Check if Data Skip is on Check if Lockout is on Check the lower limit frequency for a limit

search Set the lower limit frequency for a limit search

Check the upper limit frequency for a limit search

PM###

where ### equals the threedigit channel number

DL AC

Important:

This procedure clears all the information you have programmed into the scanner. Use this procedure only when you are sure your scanner is not working properly.

DS LO LL

LL########

where ######## equals the frequency

Set the upper limit frequency for a limit search

Check the status of the current channel Go to a specific channel

Check the scanner’s mode

LU########

where ######## equals the frequency

MA MA###

where ### equals the threedigit channel number

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Function Command

Check a bank’s priority channel number

Note:

Enter a letter instead of the bank num-

ber. Example: “C” for bank 3. Set a bank’s priority channel

Check if Priority is on Turn Priority on/off Add a frequency to a channel

Check if Squelch Monitor is on Turn Squelch Monitor on/off Check if Priority Monitor is on Turn Priority Monitor on/off Check scanner modulation setting Check which banks are activ e

PC n

PC n###

where ### equals the threedigit channel number

PR PRN/PRF PM### ########

where ### equals the threedigit channel number a nd ######## equals the frequency

QU QUN/QUF RI RIN/RIF RM SB

Select banks for scanning

Check if Squelch is open Check for a frequency in search skip memory

Enter a frequency in search skip memory

SB x

where x equals a matching letter equivalent to the bank you want to scan. For example, to scan bank 5, type E. Or, to scan banks 3 and 7, type CG.

SQ SS##

where ## equals the two-digit memory number

SS########

where ######## equals the frequency

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Function Command

Tune scanner to specific frequency

Check a Trunk ID memory number Set a Trunk ID memory number

Check if Trunk ID Monitor is on Turn Trunk ID Monitor on/off Check if Trunk ID number is in lockout mem-

ory Enter a Type 1 Trunk ID into lockout memory

Enter a Type 2 Trunk ID into lockout memory

Enter an EDACS Trunk ID into lockout memory

RF########

where ######## equals the frequency

IC IC x

where x equals a matching letter equivalent to the trunk ID memory number

ID IDN/IDF IL###

ILR xyy-zz

where x = a block number yy = a fleet number zz = a sub fleet number

ILR nnnnnn

where nnnnnn equals an ID number

ILR xx-yyz

where xx = an agency number yy = a fleet number z = a sub fleet number

Confirm EDACS ID mode Change ID to AFS or decimal mode Check if S-Bit on Turn S-Bit on/off Program fleet block on scanner

AF AFN/AFF BT BTN/BTF FB & # %%

where & = a bank (A–T) # = a fleet map block number (0–7) %% = a block size indicator (00–14)

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Function Command

Check if Frequency Identification active Turn Frequency Identification on/off Check for Speaker Muting mode on/off Check Speaker Muting mode setting Set Speaker Muting on/auto/off Confrim scan list priority ID location

Set scan list priority ID location

Check EDACS ID range mode Set EDACS ID range mode

Read scanner information Check for active trunking banks

FI FIN/FIF MU? MU MUN/MUA/MUF

PI #

where # equals an ID location number

PI @#

where @ equals an ID li st num ber and # equals an ID l ocation number

RG @

where @ equals a partial EDACS ID. For example, a partial EDACS ID could be 01-, 01-02.

SI TB

Check status of Tone Detection Turn Tone Detection on/off Program Talk Group ID

Set trunking on bank of channels

TD TDN/TDF TG * @%& ##-$$

where * = a bank number @ = an ID scan list % = an ID location & = a block number ## = a fleet number $$ = a sub fleet number

TR & # %%%%%%%% $$$$

where & = a bank (A–T) # = a trunking type % = a base frequency $ = an offset step

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SCANNER TO PC RESPONSES

The scanner sometim es returns responses via y our computer and software. Yo u might see any of the following codes.

Code Meaning

NG ERR ORER OK CXXX FXXXXXXXX TN TF

xN xF

Invalid command Command format error Overrun error Command received Channel number Frequency Trunking frequency Conventional fre-

quency (Function) On

(Function) Off

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SCANNER MODE CODES

The scanner sometimes returns information about the mode it is operating in via your computer and software. You might see any of the following codes

Code For this Mode

00 01 02 03 04 05 06 07 08 09 10 11 12 13

Scan Manual Limit Search Limit Search Hold Service Scan Service Scan Hold Program EDACS Program System Program ID Search ID Search Hold ID Scan ID Manual ID Lockout Review

14 15 16 17 18

Search Control Channel EDACS ID Search EDACS ID Hold EDACS ID Scan EDACS ID Manual

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Code For this Mode

19 20 21

EDACS ID Lockout Review EDACS Search Control Channel VFO

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A GENERAL GUIDE TO SCANNING

Reception of the frequencies covered by your scanner is mainly “line-of-sight.” That means you usually cannot hear stations that are beyond the horizon.

GUIDE TO FREQUENCIES

National Weather Frequencies

162.400 162.475 162.525 162.425

162.500 162.550 162.450

Birdie Frequencies

Every scanner has birdie fre quencies. Bir dies are si gnals created inside the sc anner’s receiver. These oper ating frequencie s might interfe re with broadcasts on the same frequencies. If you program one of these frequencies, you hear only noise on that frequency. If the interference is not severe, you might be able to turn clockwise to cut out the birdie. This scanner’s birdie frequencies (in MHz) are

SQUELCH

171.25 406.7625 407.8125 413.175 413.225

To find the birdies in yo ur individual scanner, begin by disconnecting the antenna and moving it awa y from the scanner . Make sure that n o other n earby ra dio or T V sets are turned on near the scanner. Use the search function and search every frequency range from i ts lo wes t frequency to the highes t. Oc c asi on all y , the se ar ch in g will stop as if it had found a signal, often without any sound. That is a birdie. Make a list of all the birdies in your scanner for future reference.

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GUIDE TO THE ACTION BANDS

Typical Band Usage (M Hz)

VHF Band

Low Range 29.00–50.00 6-Meter Amateur 50.00–54.00 Aircraft 108.00–136.00 U.S. Government 137.00–144.00 2-Meter Amateur 144.00–148.00 High Range 148.00–174.00 FM-TV Audio Broadcast, Wide Band 174.00–216.00 New Mobile Narrow Band 220.00–222.00

1.3-Meter Amateur Band 222.00–225.00 Military Airc raft 225.00–287.80

UHF Band

Military Airc raft 311.00–384.00 U.S. Government 406.00–420.00 70-Centimeter Amateur 420.00–450.00 Low Range 450.00–470.00 FM-TV Audio Broadcast, Wide Band 470.00–512.00 Public Service 806.00–823.93 Conventional Systems 851.00–856.00 Conventional/Trunked Systems 856.00–861.00 Trunked Systems 861.00–866.00 Public Safety 866.00–868.93 High Range 896.11–902.00 33-Centimeter Amateur 902.00–928.00 Private Trunked 935.00–940.00 General Trunked 940.00–941.00 Fixed Services 941 .00– 944 .00 Studio-to-Transmitter Broadcast Links 944.00–952.00 Private Fixed Services, Paging 952.00–960.00 Aeronautical Navigation 960.00–1240.00 23-Centimeter Amateur 1240.00–1300.00

20-432.fm Page 57 Friday, July 14, 2000 11:30 AM

Primary Usage

As a general rule, most of th e radio activity is concentrated on the fo llowing frequencies:

VHF Band

Activities Frequencies (MHz)

2-Meter Amateur Band 144.000–148.000 Government, Police, and Fire 153.785–155.980 Emergency Services 158.730–159.460 Railroad 160.000–161.900

UHF Band

Activities Frequencies (MHz)

70-Centimeter Amateur Band FM Repeaters

Land-Mobile “Paired” Frequencies 450.000–470.000 Base Stations 451.025–454.950 Mobile Units 456.025–459.950 Repeater Units 460.025–464.975 Control Stations 465.025–469.975

440.000–450.000

Note:

Remote control stations an d mobile uni ts operat e at 5 MHz hi gher than the ir

associated base stations and relay repeater units.

BAND ALLOCATION

To help decide which frequency ranges to scan, use the following listing of the typical services that use the frequencies your scanner receives. These frequencies are subject to change, a nd might vary from area to area. For a mor e complete list ing, refer to the “Police Call Radio Guide including Fire and Emergency Services,” available at your local RadioShack store.

20-432.fm Page 58 Friday, July 14, 2000 11:30 AM

Abbreviations Services

AIR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aircraft

BIFC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Boise (ID) Interagency Fire Cache

BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Business

CAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Civil Air Patrol

CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Citizens Band

CCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Common Carrier

CSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Conventional Systems

CTSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Conventional/Trunked Systems

FIRE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fire Department

HAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Amateur (Ham) Radio

GOVT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Federal Government

GMR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Mobile Radio

GTR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Trunked

IND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Industrial Services

MAR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Military Amateur Radio

MARI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maritime Limited Coast

MARS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Military Affiliate Radio System

MED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Emergency/Medical Services

MIL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U.S. Military

MOV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Motion Picture/Video Industry

NEW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . New Mobile Narrow

NEWS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Relay Press (Newspaper Reporters)

OIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil/Petroleum Industry

POL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Police Department

PUB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Public Services

PSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Public Safety

PTR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Private Trunked

ROAD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Road & Highway Maintenance

RTV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Radio/TV Remote Broadcast Pickup

TAXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Taxi Services

TELB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Mobile Telephone

TELC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cordless Phones

TELM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Telephone Maintenance

TOW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tow Trucks

TRAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Transportation Services

TSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Trunked Systems

TVn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FM-TV Audio Broadcast

USXX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Government Classified

UTIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power & Water Utilities

WTHR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weather

(Manufacturing, Construction, Farming, Forest Products)

(Coast Guard, Marin e Telephone,

Shipboard Radio, Private Stations)

(Public Safety, Local Government, Forestry Conservation)

(Aircraft, Radio Common Carrier, Landline Companies)

(Trucks, Tow Trucks, Buses, Railroad , Other)

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HIGH FREQUENCY (HF) — (3 MHz–30 MHz) 10-Meter Amateur Band (28.0–29.7 MHz)

29.000–29.700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

VERY HIGH FREQUENCY (VHF) — (30 MHz–300 MHz) VHF Low Band (29.7–50 MHz—in 5 kHz steps)

29.700–29.790 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND

29.900–30.550 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL

30.580–31.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, PUB

32.000–32.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL

33.020–33.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS, IND, PUB

34.010–34.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL

35.020–35.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, PUB, IND, TELM

36.000–36.230 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL

36.230–36.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oil Spill Cleanup, GOVT, MIL

37.020–37.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB, IND

38.000–39.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL

39.020–39.980 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB

40.000–42.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, MARI

42.020–42.940 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .POL

42.960–43.180 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND

43.220–43.680 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELM, IND, PUB

43.700–44.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TRAN

44.620–46.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL, PUB

46.600–46.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, TELC

47.020–47.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB

47.420. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .American Red Cross

47.440–49.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, PUB

49.610–49.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIL, TELC

6-Meter Amateur Band (50–54 MHz)

50.00–54.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

Aircraft Band (108–136 MHz)

108.000–121.490 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR

121.500. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AIR Emergency

121.510–136.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR

U.S. Government Band (137–144 MHz)

137.000–144.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL

2-Meter Amateur Band (144–148 MHz)

144.000–148.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

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VHF High Band (148–174 MHz)

148.050–150.345. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAP, MAR, MIL

150.775–150.790. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED

150.815–150.980. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOW, Oil Spill Cleanup

150.995–151.475. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ROAD, POL

151.490–151.955. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, BUS

151.985 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELM

152.0075 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED

152.030–152.240. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB

152.270–152.480. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, TAXI, BUS

152.510–152.840. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB

152.870–153.020. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, MOV

153.035–153.725. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, OIL, UTIL

153.740–154.445. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB, FIRE

154.490–154.570. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, BUS

154.585 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Oil Spill Cleanup

154.600–154.625. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS

154.655–156.240. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED, ROAD, POL, PUB

156.255–157.425. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL, MARI

157.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED

157.470–157.515. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TOW

157.530–157.725. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, TAXI

157.740 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS

157.770–158.100. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB

158.130–158.460. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, IND, OIL, TELM, UTIL

158.490–158.700. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB

158.730–159.465. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL, PUB, ROAD

159.480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OIL

159.495–161.565. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TRAN

161.580–162.000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OIL, MARI, RTV

162.0125–162.35. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, MIL, USXX

162.400–162.550. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . WTHR

162.5625–162.6375. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL, USXX

162.6625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

162.6875–163.225. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL, USXX

163.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

163.275–166.225. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL, USXX

166.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, RTV, FIRE

166.275–169.400. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, BIFC

169.445–169.505. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes, GOVT

169.55–169.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL, USXX

170.000–170.150. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BIFC, GOVT, RTV, FIRE

170.175–170.225. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT

170.245–170.305. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wireless Mikes

170.350–170.400. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL

170.425–170.450. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BIFC

170.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB

170.4875–173.175. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, PUB, Wireless Mikes

173.225–173.5375. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MOV, NEWS, UTIL, MIL

173.5625–173.5875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIL Medical/Crash Crews

173.60–173.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT

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FM-TV Audio Broadcast, VHF Wide Band (174-216 MHz)

179.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV7

185.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV8

191.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV9

197.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV10

203.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV11

209.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV12

215.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TV13

New Mobile Narrow Band (220-222 MHz)

220.000–222.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NEW

1.3-Meter Amateur Band (222-225)

220.000–225.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

Military Aircraft Band (237.9-287.8 MHz)

237.900. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Coast Guard Search and Rescue

239.800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FAA Weather

241.000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Army

243.000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Emergency

255.400. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FAA Flight Service

257.800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Civilian towers

287.800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coast Guard Air/Sea Rescue

ULTRA HIGH FREQUENCY (UHF) — (300 MHz–3 GHz) Military Aircraft Band (319.1-383.9 MHz)

319.100. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FAA Traffic control

321.000-336.600. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Force

342.500-344.600. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FAA Weather

346.400-364.200. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Traffic Control

381.800-383.900. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coast Guard

U. S. Government Band (406–420 MHz)

406.125–419.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, USXX

70-Centimeter Amateur Band (420–450 MHz)

420.000–450.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM

Low Band (450–470 MHz)

450.050–450.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTV

451.025–452.025 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, OIL, TELM, UTIL

452.0375–453.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, TAXI, TRAN TOW, NEWS

453.0125–454.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB, OIL

454.025–454.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB

455.050–455.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTV

457.525–457.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS

458.025–458.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED

460.0125–460.6375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FIRE, POL, PUB

460.650–462.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS

20-432.fm Page 62 Friday, July 14, 2000 11:30 AM

462.1875–462.450. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS, IND

462.4625–462.525. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, OIL, TELM, UTIL

462.550–462.925. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GMR, BUS

462.9375–463.1875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MED

463.200–467.925. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS

FM-TV Audio Broadcast, UHF Wide Band (470–512 MHz) (Channels 14 through 20 in 6 MHz steps)

475.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 14

481.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 15

487.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 16

511.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 20

Note:

Some cities use the 470–512 MHz band for land/mobile service.

Conventional Systems Band – Locally Assigned

851.0125–855.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CSB

Conventional/Trunked Systems Band – Locally Assigned

856.0125–860.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CTSB

Trunked Systems Band – Locally Assigned

861.0125–865.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TSB

Public Safety Band – Locally Assigned

866.0125–868.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PSB

33-Centimeter Amateur Band (902–928 MHz)

902.0000–928.0000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .H AM

Private Trunked

935.0125–939.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PTR

General Trunked

940.0125–940.9875. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GTR

20-432.fm Page 63 Friday, July 14, 2000 11:30 AM

FREQUENCY CONVERSION

The tuning location of a s tation can be e xpressed in frequen cy (kHz or MH z) or in wavelength (meters). T he following information c an help you make the n ecessary conversions.

1 MHz (million) = 1,000 kHz (thousand)

• To convert MHz to kHz, multiply the number of megahertz by 1,000:

9.62 (MHz ) × 1000 = 9620 kHz

• To convert from kHz to MHz, divide the number of kilohertz by 1,000: 2780 (kHz) ÷ 1000 = 2.780 MHz

• To convert MHz to meters, divide 300 by the number of megahertz:

300 ÷ 7.1 MHz = 42.25 meters

20-432.fm Page 64 Friday, July 14, 2000 11:30 AM

TROUBLESHOOTING

If your scanner is not wor k ing as i t s hou ld , these suggestions mi ght hel p y ou el im inate the problem. If the sc an ner s til l doe s n ot o per at e pr op er ly, ta ke it to your local RadioShack store for assistance.

PROBLEM POSSIBLE CAUSE REMEDY

Scanner is on but will not scan.

Scanner is totally inoperative.

Poor or no reception An antenna is not con-

Error

In the scan mode, the scanner locks on frequencies that have an unclear transmission.

appears. Programming error. Reprogram the frequency

SQUELCH

adjusted. Only one channel or no

channels are stored. No power. Make sure the scanner is

The AC or DC adapter is not connected.

The scanner must be reset. Reset the scanner (see

nected or connected incorrectly.

Programmed frequencies are the same as “birdie” frequencies.

is not correctly

SQUELCH

Adjust wise.

Store frequencies into m ore than one channel.

plugged into a working AC or DC outlet .

Be sure the adapter’s barre l plug is fully inserted into the

DC 12V

“Resetting the Scanner” on Page 66).

Make sure an antenna is connected to the scanner.

correctly, including the decimal point.

Avoid programming frequencies li sted under “Birdie Frequencies” on Page 55 or only listen to them manually.

jack.

clock-

Scanner will not track a trunked system.

The transmission might not use a system that can be tracked by your scanner.

The data frequency is missing.

Scan another transmission.

Find the data frequency (see “Programming T runked Frequencies” on Page 32).

20-432.fm Page 65 Friday, July 14, 2000 11:30 AM

PROBLEM POSSIBLE CAUSE REMEDY

Scanner will not track a trunked system

(continued)

Scanner will not stop while scanning a scan list

Scanner will not acquire a data channel

Missing replies to conversations

The system you are trying to track is a Type I System, and the scanner is set to scan Type II systems.

The IDs you have stored are not active.

Squelch is not correctly adjusted.

The frequency used for the data channel is missing.

The system you are trying to track is a Type I system, and the scanner is set to scan Type II systems.

The selected fleet map is incorrect.

Set the scanner to receive Type I trunked frequencies. See “Scanning Type I and Hybrid Trunked Systems” on Page 40.

Scan another transmission.

See “Setting Squelch for the Trunk Scanning Mode” on Page 31.

Add the frequency used for the data channel to the frequency lis t. See “Programming Trunk ed Fr equ enc ie s” on Page 32.

Set the scanner to receive Type I trunked frequencies. See “Scanning Type I and Hybrid Trunked Systems” on Page 40.

Try ano ther preset fl eet map or program your own fleet map. See “Scanning Type I and Hybrid Trunked Systems” on Page 40.

Channel activity indicators are lighting but no sound is heard.

Not all of the trunk’s frequencies have been

Enter all of the trunk’s frequencies.

entered. The transmission migh t be a

private or telephone inter-

Scan for another transmis-

sion. connect call. The scanner does not scan these types of transmissions.

The ID is locked out. Unlock the ID (see “Unlock-

ing a Single ID” on Page 36

or “Unlocking All IDs” on

Page 36).

20-432.fm Page 66 Friday, July 14, 2000 11:30 AM

RESETTING THE SCANNER

You might need to reset the scanne r if:

• the scanner’s display locks up.

• the scanner does not work properly after you connect power.

• the scanner is dropped or subjected to a physical or electrical shock.

Caution:

information you have programmed into the scanner. Use this procedure only when you are sure your scanne r is not working properly.

To reset the scanner, turn it off. Then, while you hold dow n the scanner. about 5 seconds while the sc ann er re sets.

Caution:

while it is resetting.

This procedure clea rs al l the

and 9, turn on

CLEAr

Do not turn off the scanner

appears for

20-432.fm Page 67 Friday, July 14, 2000 11:30 AM

CARE AND MAINTENANCE

Your RadioShack PRO-2052 1000-Channel Dual Trunking TrunkTracker Home Scanner is an example of supe rior design and craftsmanship. The fol lowing suggestions will help you care for your scanner so you can enjoy it for years.

Keep the scanner dry. If it gets wet, wipe it dry immediately. Liqu ids might contain minerals that can corrode the electronic circuits.

Use and store the scann er only in normal temperat ure environments. Temperature extreme s can shorten the life of electron ic devices and distort or melt plastic parts.

Keep the scanner away from dust and dirt, which can cause premature wear of parts.

Handle the scanner gentl y and carefully. Dropping it can damag e circuit boards and cases and can cause the scanner to work improperly.

Wipe the scanner with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning s olvents, or strong detergents to clean the scanner.

Modifying or tampering wi th the scanner’s internal com ponents can cause a malfunction and might invalidate its warranty and void your FCC authorization to operate it. If your scanner is not performing as it should, take it to your local RadioShack st ore for assistance.

20-432.fm Page 68 Friday, July 14, 2000 11:30 AM

SPECIFICATIONS

Frequency Coverage (MHz):

10 Meter Amateur Radio ...................................... 29.000–29.6950 (in 5 kHz steps)

VHF Lo ............................................................... 29.7000–49.9950 (in 5 kHz steps)

6 Meter Amateur Radio ...................................... 50.0000–54.0000 (in 5 kHz steps)

Aircraft ....................................................... 108.0000–136.9750 (in 12.5 kHz steps)

Government ................................................... 137.0000–143.9950 (in 5 kHz steps)

2 Meter Amateur Radio .................................... 144.000–147.9950 (in 5 kHz steps)

VHF Hi ........................................................... 148.0000–174.0000 (in 5 kHz steps)

VHF TV ........................................................... 179.7500-215.7500 (in 6MHz steps)

1 Meter Amateur Radio ...................................... 216.000-224.995 (in 5 kHz steps)

VHF Aircraft ................................................ 225.000-399.9875 (in 12.5 kHz steps)

Amateur Radio/Government ..................... 400.0000–419.9875 (in 12.5 kHz steps)

70-cm Amateur Radio ............................... 420.0000–449.9875 (in 12.5 kHz steps)

UHF Standard ........................................... 450.0000–469.9875 (in 12.5 kHz steps)

UHF “T” ..................................................... 470.0000–512.0000 (in 12.5 kHz steps)

Public Service ........................................... 806.0000–823.9375 (in 12.5 kHz steps)

Public Service/Trunking Repeater ............. 851.0000–868.9875 (in 12.5 kHz steps)

Public Service ........................................... 896.1125–956.0000 (in 12.5 kHz steps)

25-cm Amateur Radio ........................... 1240.0000-1300.0000 (in 12.5 kHz steps)

Channels of Operation .................... Any 1000 channels in any band combinations

(50 channels × 20 banks), 50 search skip memories, and

20 service search skip memories

Sensitivity (S+N)/N=20 dB:

29–54 MHz .............................................................................................. 0.5 µV

108–136.975 MHz ................................................................................... 1.5 µV

137–174 MHz .......................................................................................... 0.5 µV

179.75-215.75 MHz ................................................................................. 3.0 µV

216-224.995 MHz ............................ ............................................. ....... .... 0.5 µV

225-399.9875 MHz .................................................................................. 1.5 µV

400–512 MHz .......................................................................................... 0.4 µV

806–956 MHz .......................................................................................... 1.0 µV

1240-1300 MHz ....................................................................................... 2.0 µV

Spurious Rejection (@40.85 MHz) ................................................................ 60 dB

Selectivity:

10 kHz ................................................................................................... –6 dB

15 kHz ................................................................................................. –50 dB

IF Rejection (@162.4 MHz) ........................................................................... 80 dB

20-432.fm Page 69 Friday, July 14, 2000 11:30 AM

Search Speed:

Normal .............................................................................100 Steps/Sec (Max)

Hyper .......................................... 300 Steps/Sec (Max) (only 5 kHz step band)

Scan Speed ................................................................ 50 Channels/Sec. (Nominal)

Priority Sampling .....................................................................................2 Seconds

Delay Time ............................................................................................. 2 Seconds

IF Frequencies:

1st IF ......................................... 29–310.9875 MHz: 380.6050–380.7000 MHz

311–512 MHz: 254.3125–254.4000 MHz

806–956 MHz: 380.7000–380.7875 MHz

1240–1300 MHz: 380.7000-380.7875 MHz

2nd IF ............................................................... 179.75–215.75 MHz: 10.7 MHz

Other Bands 10.85 MHz

3rd IF .................................................................................................... 450 kHz

Squelch Sensitivity:

Threshold ............................................................................... Less than 0.6 µV

Tight ............................................................. VHF Lo, Hi, UHF (S + N)/N 25 dB

Aircraft (S + N)/N 15 dB

Antenna Impedance ................................................................................... 50 ohms

Audio Power .................................................................................. 1.1 W Maximum

Built-In Speaker .......................................................... 2

Inches (57 mm), 8 ohms

Operating Temperature ....................................................................–10 C to + 50 C

Power Requirements:

AC Adapter ....................................................................................12 Volts DC

DC Adapter ................................................................................... 12 Volts DC

Current Drain:

At Squelched .. ....... ...... ...... ....... ............................................. ....... ...... ....240 mA

At Full Output .........................................................................................440 mA

Dimensions (HWD) ........................................................... 2

× 7

Inches

(70 × 205 × 195 mm)

Weight ........................................................................................................ 26.5 oz.

(750 g)

Specifications are typical; individua l units might vary. Specifications are subject to change and improvement without notice.

20-432.fm Page 70 Friday, July 14, 2000 11:30 AM

NOTES

20-432.fm Page 71 Friday, July 14, 2000 11:30 AM

20-432.fm Page 72 Friday, July 14, 2000 11:30 AM

Limited One-Year Warranty

This product is warrante d by RadioSha ck against manufac turing defect s in material and wor kmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WI TH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of incidental or consequential damages, so the above limitations or exclusions may not apply to you. In the event of a pr oduct defect durin g the warranty pe riod, take the pro duct and the RadioShack sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, unless otherwise provid ed by law: (a) correct the def ect by product repair without charge for parts and labor; (b) replace the product wi th one of the same or similar design; or (c) refund the purch ase price. All replace d parts a nd prod ucts, and p roducts o n which a refund is made, become th e property of RadioShack. New or recond itioned parts a nd products may be used in the performance of warranty service. Re paired or replace d parts and pro ducts are warran ted for the rem ainder of the original warranty period. You will be charged for repair or replacement of the product made after the expiration of the warranty period. This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse, accident, misuse, i mproper or abnormal usag e, fa ilu re to fo ll ow instr ucti o ns, imp rop er ins t allat i on or maintenance, altera tion, lightning or othe r incidence of excess voltage or current; (b ) any repairs other than those provided by a RadioShack Authorized Service Facility; ( c) consumables such as fuses or batteries; (d) cosmetic dam age; (e) tra nsportation , shipping or insurance costs; or (f) costs of product removal, installation, set-up service adjustment or reinstallation. This warranty give s you specific l egal rights, an d you may al so have other r ights which var y from state to state.

RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102

We Service Wh at We Sell

04/99

RadioShack

A Division of Tandy Corporation

Fort Worth, Texas 76102

UBZZ01307ZZ

09A99 Printed in the Philippines

Radio Shack PRO-2052 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual