Radio Shack PRO-2041 Maintenance manual

PRO-2041 Scanner

(200-0463) Care and Maintenance Faxback Doc. # 38902

Your Radio Shack PRO-2041 400-Channel Programmable Home Scanner is an

example of superior design and craftsmanship. The following 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.

Liquids can contain minerals that can corrode the electronic circuits.

Handle the scanner gently and carefully. Dropping it can damage

circuit boards and cases and can cause the scanner to work improperly.

Use and store the scanner only in normal temperature environments,

Temperature extremes can shorten the life of electronic devices and

distort or melt plastic parts.

Keep the scanner away from dust and dirt, which can cause premature

wear of parts.

Wipe the scanner with a damp cloth occasionally to keep it looking

new. Do not use harsh chemicals, cleaning solvents, or strong

detergents to clean the scanner.

Modifying or tampering with the scanner's internal components can

cause a malfunction and might invalidate its warranty and void your

FCC authorization to operate it. If your scanner is not operating as

it should, take it to your local Radio S hack store for assistance.

PRO-2041 Scanner

(200-0463) Features Faxback Doc. # 38896

Your new Radio Shack PRO-2041 400-Channel Programmable Home Scanner gives

you direct access to over 32,000 exciting frequencies, including police

and fire departments, ambulance services, and amateur radio services.

You can select up to 400 channels to scan, and you can change your

selection at any time.

The secret to your scanner's ability to scan so many frequencies is its

custom-designed microprocessor - a tiny, built-in computer.

Your scanner has there special features:

Hyperscan - lets you scan up to 25 channels

per second and search up to 50

steps per seconds.

Triple Conversion Superheterodyne - virtually eliminates any

Receiver interference from intermediate

frequency (IF) images, so you hear

only the frequency you select.

17 Preprogrammed Search Bands - let you search for transmissions

within preset frequency ranges, so

you can find interesting

frequencies more quickly.

40 Monitor Memories - let you temporarily save up to

40 frequencies located during a

frequency search, so you can move

selected frequencies to channel

storage later.

Direct Frequency Search - lets you search for new and

unlisted frequencies starting

from a specified frequency.

Limit Frequency Search - lets you search for new and

unlisted frequencies within the

preset frequency ranges or your

own programmed frequency ranges in

the 10 search banks.

Eleven Preprogrammed Weather - keep you informed about current

Frequencies weather conditions.

Ten Channel-Storage Banks - let you store 40 channels in each

bank to group channels so calls

are easier to identify.

Sort - lets you move frequencies you

stored in a bank into consecutive

order. This makes it easy for you

to identify the frequencies you

have stored.

Auto Store - quickly finds and automatically

stores active frequencies into

channels.

Duplicate Frequency Check - automatically notifies you if you

are about to store a frequency you

have already stored, to help avoid

wasting storage space.

Memory Backup - keeps the frequencies stored in

memory during a power loss.

Ten Priority Channels - let you set the scanner so it

checks the next priority channel,

in order, every 2 seconds, so you

do not miss important calls.

Two-Second Scan Delay - delays scanning for about 2 seconds

before moving to another channel

or frequency, so you can hear more

replies.

Lock-Out Function - lets you set your scanner to skip

over specified channels or

frequencies when scanning or

searching.

Liquid Crystal Display - makes it easy to view and change

programming information.

Backlit Display - makes the scanner easy to read

in low light conditions.

Two Power Options - let you power the scanner from

standard AC power (with the

supplied AC power cord) or your

vehicle's battery (with an optional

DC cigarette -lighter power cord).

Frequency Data Loading - lets you program the scanner

with frequencies stored in a

personal computer. You need a

personal computer and a data

interface kit (available through

your local Radio Shack store) to use

this feature.

Your PRO-2041 scanner can receive all of these frequencies:

29-54 MHz (10-Meter Amateur Radio, VHF Lo, 6-Meter Amateur Radio)

108-136.975 MHz (Aircraft)

137-174 MHz (Government, 2-Meter Amateur Radio, VHF Hi)

380-512 MHz (Military Aircraft, UHF Lo, 70 -Centimeter Amateur Radio,

UHF "T" Band, Government)

806-824 MHz (UHF Public Service)

849-869 MHz (UHF Hi)

894-960 MHz (UHF Hi, 33-Centimeter Amateur Radio)

For breakdown of the frequency ranges in the 17 preprogrammed search

bands, see "Preparation," Faxback Doc. # 38897.

In addition, your scanner is preprogrammed with the following weather

service frequencies:

161.6500 MHz

161.7750 MHz

162.4000 MHz

162.4250 MHz

162.4400 MHz

162.4500 MHz

162.4750 MHz

162.5000 MHz

162.5250 MHz

162.5500 MHz

163.2750 MHz

We recommend you record your scanner's serial number here. This number

is on the scanner's back panel.

PRO-2041 Scanner

(200-0463) General Guide to Scanning Faxback Doc. # 38900

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

US Weather Frequencies

162.400 162.425 162.450 162.475 162.500 162.525 162.550

Other Weather Frequencies

161.650 161.775 162.440 163.275

Ham Radio Frequencies

Ham radio operators often transmit emergency information when other means

of communication break down. The following chart shows the frequencies

the scanner receives that Ham radio operators normally use:

Wavelength (meters) Frequencies (MHz)

10-Meter 29.000-29.700

6-Meter 50.000 -54.000

2-Meter 144.000 -148.000

70-cm 420.000 -450.000

33-cm 902.000 -928.000

Birdie Frequencies

Every scanner has birdie frequencies. Birdies are signals created inside

the scanner's receiver. These operating frequencies might interfere with

broadcasts on the same frequencies. If you program one of these

frequencies, you might be able to turn SQUE LCH clockwise to cut out the

birdie.

The birdie frequencies on this unit to watch for are:

32.100 36.000-36.300 40.000-40.300

41.890 44.100-44.300 48.100-48.300

52.100-52.300 108.100-108.800 112.100-112.700

120.300-120.500 121.500 128.300 -128.900

136.200-136.800 144.300-144.800 150.150

152.300-152.800 155.500 156.300 -156.500

160.300-160.900 166.200 171.550

400.400 429.050 434.400

450.450 479.100 504.125

810.150 820.650 865.350

915.400 944.050

To find the birdies in your scanner, begin by disconnecting the antenna

and moving it away from the scanner. Make sure that no other nearby radio

or TV sets are turned on near the scanner. Use the search function and

scan every frequency range from its lowest frequency to the highest.

Occasionally, the searching 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.

GUIDE TO THE ACTION BANDS

United States Broadcast Bands

In the United States, there are several broadcast bands. The Standard AM

and FM bands are probably the most well known. There are also four

television audio broadcast bands - the lower three transmit on the VHF

band and the fourth transmits on the UHF band.

Typical Band Usage

VHF Band

Low Range 29.00 -50.00 MHz

6-Meter Amateur 50.00 -54.00 MHz

U.S. Government 137.00 -144.00 MHz

2-Meter Amateur 144.00 -148.00 MHz

High Range 148.00 -174.00 MHz

UHF Band

Military Aircraft 380.00 -384.00 MHz

U.S. Government 406.00 -420.00 MHz

70-cm Amateur 420.00 -450.00 MHz

Low Range 450.00 -470.00 MHz

FM-TV Audio Broadcast, Wide Band 470.00 -512.00 MHz

800 Band Law Enforcement 806.00 -824.00 MHz

Conventional/Trunked Systems 856.00 -866.00 MHz

Public Safety 866.00 -869.00 MHz

Trunked Private/General 894.00 -960.00 MHz

Primary Usage

As a general rule, most of the radio activity is concentrated on the

following frequencies:

VHF Band

Activities Frequencies

Government, Police, and Fire 153.785 -155.980 MHz

Emergency Services 158.730 -159.460 MHz

Railroad 160.000 -161.000 MHz

UHF Band

Activities Frequencies

Land-Mobile "Paired" Frequencies 450.000 -470.000 MHz

Base Stations 451.025 -454.950 MHz

Mobile Units 456.025 -459.950 MHz

Repeater Units 460.025 -464.975 MHz

Control Stations 465.025 -469.975 MHz

Note: Remote control stations and mobile units operate at 5 MHz

higher than their associated base stations and relay repeater

units.

SPECIFIED INTERVALS

Frequencies in different bands are accessible only at specified intervals.

For example:

Frequency Range (s) Specified Interval

29.54 and 137-174 MHz 5.0 kHz steps

380-512 MHz 12.5 kHz steps

108-136.975 MHz 25 kHz steps

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, and might vary from area to

area. For more complete listing, refer to the "Police Call Radio Guide

including Fire and Emergency Services," available at your local Radio

Shack store.

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

(Manufacturing, Construction, Farming, Forest Products)

MAR Military Amateur Radio

MARI Maritime Limited Coast

(Coast Guard, Marine Telephone,

Shipboard Radio, Private Stations)

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

(Public Safety, Local Government, Forestry Conservation)

PSB Public Safe ty

PTR Private Trunked

ROAD Road & Highway Maintenance

RTV Radio/TV Remote Broadcast Pickup

TAXI Taxi Services

TELB Mobile Telephone

(Aircraft, Radio Common Carrier, Landline Companies)

TELC Cordless Phones

TELM Telephone Maintenance

TOW Tow Trucks

TRAN Transportation Services

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

TSB Trucked Systems

TVn FM -TV Audio Broadcast

USXX Government Classified

UTIL Power & Water Utilities

WTHR Weather

VERY HIGH FREQUENCY (VHF)

VHF Low Band - (In 5 kHz steps)

29.900-30.550 GOVT, MIL

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

36.250 Oil Spill Cleanup

36.270-36.990 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..000-54.00 HAM

U.S. Government Band

137.000-144.000 GOVT, MIL

2-Meter Amateur Band

144.000-148.000 HAM

VHF High Band

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

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