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RadioShack Pro 2045 Weather Alert Home Scanner Owners Manual

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    							Cat. No. 20-418
    OWNER’S MANUAL
    PRO-2045
    200-Channel Weather Alert Home Scanner
    Please read before using this equipment.
    20-418.fm  Page 1  Wednesday, August 4, 1999  12:42 PM 
    						
    							2
    FEATURES
    Your RadioShack PRO-2045 200-
    Channel Weather Alert Home Scan-
    ner lets you in on all the action! This
    scanner gives you direct access to
    over 49,500 exciting frequencies used
    by police and fire departments, ambu-
    lance and transportation services, am-
    ateur radio, as well as aircraft
    communications, Citizen’s Band, and
    commercial FM and television broad-
    casts.
    You can select up to 200 channels for
    your scanner to scan, and you can
    change your selections at any time. Its
    rotary tuning control lets you easily se-
    lect frequencies and channels. Plus,
    when you turn on the weather alert
    function, the scanner sounds an alarm
    if the weather service transmits a
    weather alert tone.
    The secret to your scanner’s ability to
    scan so many frequencies is its cus-
    tom-designed microprocessor — a
    tiny, built-in computer.
    Your scanner has these features:
    WX Alert — warns you of serious
    weather conditions by sounding an
    alarm if the weather service transmits
    a weather alert tone.
    Weather Band Auto Scan — scans
    the preprogrammed weather frequen-
    cies so you can stay informed about
    current weather conditions.Hyperscan — scans programmed
    channels at up to 50 channels per
    second.
    H
    ypersearch — lets you set the scan-
    ner to search at up to 300 steps per
    second.
    Rotar
    y Tuner — lets you easily tune
    and select frequencies or channels. 
    Auto Sort — lets you scan the chan-
    nels stored in a bank, in order from
    lowest to highest frequency, to in-
    crease scanning speed.
    Auto Store — quickly finds and auto-
    matically stores active frequencies
    into the selected banks (but does not
    store the frequency if it is already
    stored in another channel).
    Ten Channel-Stora
    ge Banks — let
    you store 20 channels in each of 10
    banks to group frequencies so you
    can easily identify calls.
    Frequenc
    y Transfer — lets you easi-
    ly organize your frequencies by trans-
    ferring them from one channel to
    another.
    Monitor Memories — let you store up
    to 10 frequencies you locate during a
    frequency search.
    Limit Search — lets you search for
    transmissions within a set range.
    © 1996 Tandy Corporation.
    All Rights Reserved.
    RadioShack is a trademark used by Tandy Corporation.
    Hyperscan and Hypersearch are registered trademarks used by Tandy Corporation.
    20-418.fm  Page 2  Wednesday, August 4, 1999  12:42 PM 
    						
    							3
    Direct Search — lets you search for
    transmissions starting from a frequen-
    cy you specify.
    Count Feature — lets you keep track
    of how many times your scanner has
    stopped on a channel.
    Search Skip — lets you select up to
    50 frequencies for the scanner to skip
    during a search, so you can avoid fre-
    quencies you have already discovered
    or that have a continuous transmis-
    sion.
    Two-Second Scan Delay — delays
    scanning for 2 seconds before moving
    to another channel, so you can hear
    more replies.
    Data Skip — skips data signals (non-
    modulated signals such as preamble
    signals for pagers) during scan, limit
    search, and direct search.
    Lock-Out Function — prevents
    channels you select from being
    scanned.
    Priority Channels — checks 10 spec-
    ified channels every 2 seconds so you
    do not miss important calls.
    Automatic Modulation Mode — se-
    lects the modulation method — nar-
    row-band frequency modulation
    (NFM) or amplitude modulation (AM)
    — most often used for each band, and
    lets you manually override the preset
    mode.Attenuator — reduces the scanner’s
    sensitivity to help limit reception to
    strong, nearby transmitters.
    Memory Backup — keeps stored
    channel frequencies in memory for up
    to 3 days during a power loss.
    CTCSS Option — with an optional
    CTCSS tone circuit board, you can
    use the Continuous Tone Coded
    Squelch System (CTCSS) to selec-
    tively listen to some business band
    and amateur radio transmissions.
    Backlit Display — lets you easily see
    the indicators on the scanner’s dis-
    play, even at night.
    We recommend you record your scan-
    ner’s serial number here. The number
    is on the scanner’s back panel.
    Serial Number: _________________
    Your scanner has the following pre-
    programmed weather channels:
    • 162.4000 MHz (NFM)
    • 162.4250 MHz (NFM) 
    • 162.4500 MHz (NFM)
    • 162.4750 MHz (NFM) 
    • 162.5000 MHz (NFM) 
    • 162.5250 MHz (NFM) 
    • 162.5500 MHz (NFM)
    20-418.fm  Page 3  Wednesday, August 4, 1999  12:42 PM 
    						
    							4
    Your scanner can receive all of these
    bands:
    FCC NOTICE
    Your scanner might cause radio or TV
    interference even when it is operating
    properly. To determine if your scanner
    is causing the interference, turn off
    your scanner. If the interference goes
    away, your scanner was causing it.
    Try to eliminate the interference by:
    • Moving your scanner away from
    the receiver 
    • Connecting your scanner to an
    outlet that is on a different electri-
    cal circuit from the receiver 
    • Contacting a RadioShack store for
    help
    If you cannot eliminate the interfer-
    ence, the FCC requires that you stop
    using your scanner.
    SCANNING LEGALLY
    Your scanner covers frequencies
    used by many different groups includ-
    ing police and fire departments, ambu-
    lance services, government agencies,
    private companies, amateur radio ser-
    vices, military operations, pager ser-
    vices, and wireline (telephone and
    telegraph) service providers. It is legal
    to listen to almost every transmission
    your scanner can receive. However,
    there are some transmissions you
    should never intentionally listen to.
    These include:
    • Telephone conversations (either
    cellular, cordless, or other private
    means of telephone signal trans-
    mission)
    • Pager transmissions 
    • Any scrambled or encrypted
    transmissions
    According to the Electronic Communi-
    cations Privacy Act (ECPA), you are
    subject to fines and possible imprison-
    ment for intentionally listening to, us-
    ing, or divulging the contents of such a
    transmission unless you have the con-
    sent of a party to the conversation (un-
    less such activity is otherwise illegal).
    RadioShack encourages responsible,
    legal scanner use.
    Range
    (MHz)Step
    (kHz)Mode
    29–54 5 NFM
    108–136.975 12.5 AM
    137–174 5 NFM
    216–224.9875 12.5 NFM
    225–399.9875 12.5 AM
    400–512 12.5 NFM
    806–823.9375 12.5 NFM
    851–868.9375 12.5 NFM
    896.1125–1,000 12.5 NFM
    20-418.fm  Page 4  Wednesday, August 4, 1999  12:42 PM 
    						
    							5
    CONTENTS
    Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
    Connecting Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
    Using Standard AC Power  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
    Using Vehicle Battery Power   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  7
    Connecting an Antenna   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
    Telescoping Antenna   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
    Optional Outdoor Antenna   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  8
    Resetting the Scanner   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
    Using the Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  9
    Testing Alert Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
    Testing Alert Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  10
    Testing the Weather Alert  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
    Connecting an Earphone   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
    Listening Safely   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
    Traffic Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12
    Connecting an Amplified Extension Speaker   . . . . . . . . . . . . . . . . . . . . . . . .  12
    Installing an Optional CTCSS Tone Board   . . . . . . . . . . . . . . . . . . . . . . . . . .  12
    Understandin
    g Your Scanner  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
    A Look at the Keyboard   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  14
    A Look at the Display   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  16
    Understanding Channel-Storage Banks  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
    Channel-Storage Banks  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
    Monitor Memories  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  18
    Operation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
    Turning On the Scanner/Setting Volume and Squelch  . . . . . . . . . . . . . . . . .  19
    Using the Rotary Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
    Storing Frequencies   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  19
    Searching For and Temporarily Storing Active Frequencies  . . . . . . . . . . . . .  20
    Limit Search  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  20
    Direct Search   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  21
    Search Skip   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  22
    Automatically Storing Frequencies  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  23
    Listening to Monitor Memories   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
    Moving a Frequency from a Monitor Memory to a Channel   . . . . . . . . . . . . .  24
    Scanning Channels  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  24
    Turning Channel-Storage Banks On and Off   . . . . . . . . . . . . . . . . . . . . .  24
    Locking Out Channels   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25
    Manually Selecting a Channel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  25
    Scanning the Weather Band  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
    Weather Alert  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  26
    Using the Weather Alert Standby Mode  . . . . . . . . . . . . . . . . . . . . . . . . .  26
    20-418.fm  Page 5  Wednesday, August 4, 1999  12:42 PM 
    						
    							6
    Special Features   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
    Delay  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
    Priority  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
    Changing Search Speeds  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  28
    Using the Programmable Attenuator  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
    Using Auto Sort  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
    Skipping Data Signals  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  29
    Turning On or Off the Key Tone  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  29
    Changing the Modulation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  29
    Transferring a Frequency to Another Channel   . . . . . . . . . . . . . . . . . . . . . . . 30
    Transferring to an Empty Channel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
    Transferring to a Channel that has a Stored Frequency  . . . . . . . . . . . . . 30
    Exchanging Frequencies Between Two Programmed Channels   . . . . . .  30
    Using the Count Feature  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
    Using CTCSS   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
    CTCSS Tone Frequencies   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
    Assigning a CTCSS Tone Frequency to a Channel   . . . . . . . . . . . . . . . . 32
    Changing or Deleting a CTCSS Tone Frequency for a Channel  . . . . . . . 32
    A General Guide to Scanning  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
    Guide to Frequencies   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
    National Weather Service Frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . 33
    Ham Radio Frequencies  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
    Birdie Frequencies   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
    Guide to the Action Bands  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
    Typical Band Usage   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
    Primary Usage   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  36
    Specified Intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
    Band Allocation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
    Frequency Conversion   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
    Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
    Care and Maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
    Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
    20-418.fm  Page 6  Wednesday, August 4, 1999  12:42 PM 
    						
    							7
    PREPARATION
    CONNECTING POWER
    You can power your scanner from a
    standard AC outlet using the supplied
    AC adapter or from your vehicle’s bat-
    tery using an optional DC power cord.
    If a power failure occurs or if the pow-
    er cord is disconnected, the scanner’s
    memory backup circuit keeps informa-
    tion in memory for up to 3 days.
    Note: The memory backup circuit be-
    gins to protect memory within a few
    minutes after you plug in the scanner.
    Using Standard AC Power
    Warning: Do not use the AC adapter
    with an extension cord unless the
    blades can be fully inserted.
    Cautions:
    • The supplied AC adapter supplies
    12 volts and delivers 500 milli-
    amps. Its center tip is set to posi-
    tive, and its plug properly fits the
    scanner’s 
    DC 12V jack. Using an
    AC adapter that does not meet
    these specifications could dam-
    age the scanner or the adapter.
    • Connect the adapter to the scan-
    ner before you connect it to an AC
    outlet. Disconnect the adapter
    from the AC outlet before you dis-
    connect it from the scanner.
    • If you have difficulty inserting the
    AC adapter’s plug, do not force it.
    Turn it over and reinsert it.Follow these steps to use AC power.
    1. Insert the supplied AC adapter’s
    barrel plug into the scanner’s 
    DC
    12V
     jack.
    2. Plug the adapter ’s power module
    into a standard AC outlet.
    Using Vehicle Battery Power
    Use a DC power cord (not supplied),
    such as RadioShack Cat. No. 270-
    1533, to power your scanner in your
    vehicle.
    Cautions: 
    • The DC power cord you select
    must supply 12 volts and deliver
    at least 500 mA. Its center tip
    must be positive, and its plug
    must fit the scanner’s 
    DC 12V jack.
    The recommended power cord
    meets these specifications. Using
    a power cord that does not meet
    these specifications could dam-
    age the scanner or power cord.
    • Connect the power cord to the
    scanner before you plug it into
    your vehicle. Disconnect the
    power cord from the vehicle
    before you disconnect it from the
    scanner.
    DC 12V
    20-418.fm  Page 7  Wednesday, August 4, 1999  12:42 PM 
    						
    							8
    • If you use your scanner in your
    vehicle with the engine running,
    you might hear electrical noise
    from the scanner. This is normal.
    Note: Mobile use of this scanner is
    unlawful or requires a permit in some
    areas. Check the laws in your area.
    Follow these steps to use vehicle bat-
    tery power.
    1. Insert the DC power cord’s barrel
    plug into the scanner’s 
    DC 12V
    jack.
    2. Plug the DC power cord’s ciga-
    rette-lighter plug into your vehi-
    cle’s cigarette-lighter socket.
    CONNECTING AN 
    ANTENNA
    You can connect either the supplied
    telescoping antenna or an optional an-
    tenna to your scanner.
    Telescoping Antenna
    The supplied telescoping antenna
    helps your scanner receive strong lo-
    cal signals. Follow these steps to in-
    stall the supplied antenna.1. Hold the antenna so it stands
    straight up.
    2. Gently push the antenna’s plug
    onto the 
    ANT jack on the scan-
    ner ’s back panel.
    The antenna’s length affects recep-
    tion. Adjust the antenna’s length as
    follows for the best results.
    Optional Outdoor Antenna
    The supplied antenna is usually good
    for strong, local signals. However, for
    the best results in receiving weaker,
    more distant signals on all bands, you
    can attach an optional outdoor anten-
    na (not supplied), such as a mobile,
    telescoping, multi-band, or outdoor
    base antenna.
    Warning: When installing or removing
    an outdoor antenna, follow all cautions
    and warnings included with the anten-
    na.
    DC 12V
    29–150 MHz Extend fully
    150–174 MHz Extend only 3 seg-
    ments
    216–406 MHz Extend only 2 seg-
    ments
    406–1000 MHz Collapse Fully (only 
    1 segment extended)
    ANT
    20-418.fm  Page 8  Wednesday, August 4, 1999  12:42 PM 
    						
    							9
    Note: Always use 50-ohm coaxial ca-
    ble to connect an outdoor antenna to
    your scanner. For lengths under 50
    feet, use RG-58 or RG-8/M coaxial ca-
    ble. For lengths over 50 feet, use RG-
    8, low-loss coaxial cable. If the coaxial
    cable’s connector does not fit the 
    ANT
    jack, you might also need an adapter.
    Your local RadioShack store sells a
    complete line of outdoor antennas,
    adapters, BNC connectors, and
    mounting hardware.
    For the best performance, consider
    the following when deciding on an out-
    door antenna and its location:
    • The location of the external
    antenna should be as high as pos-
    sible.
    • The external antenna and
    antenna cable should be as far
    away as possible from sources of
    electrical noise (appliances, other
    radios, and so on).
    • The external antenna should be
    vertical.
    Mount the antenna following the in-
    structions supplied with the antenna
    and its mounting hardware, then route
    the antenna cable to the scanner and
    connect it to the 
    ANT jack on the back
    of the scanner.
    RESETTING THE 
    SCANNER
    If the scanner’s display locks up or
    does not work properly after you con-
    nect power or after a power surge, you
    might need to reset the scanner.
    Caution: 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.
    1. Turn off the scanner.
    2. While you press and hold down 
    2
    and 9, turn on the scanner.
    USING THE FEET
    To tilt the display for the best viewing
    angle and to provide the best traction,
    pull down on the scanner’s feet so
    they lock into place.
    ANT
    20-418.fm  Page 9  Wednesday, August 4, 1999  12:42 PM 
    						
    							10
    TESTING ALERT 
    OPERATION
    For your scanner’s weather alert func-
    tion to be effective, you must place the
    scanner:
    • Where it can receive an emer-
    gency alert broadcast (see “Test-
    ing Alert Reception” on this page)
    • Where you can hear its alert tone
    (See “Testing the Weather Alert”
    on Page 11).
    Once you determine a location that
    meets these two conditions, leave the
    scanner there for the best protection.
    Testing Alert Reception
    The fact that you get clear voice re-
    ception or that the tone sounds when
    you test the weather alert does not
    guarantee that an emergency alert
    broadcast  will trigger your scanner’s
    alert tone. Also, if you are in a 
    fringe
    area, your scanner might be triggered
    by a broadcast in one area, but not be
    triggered if you place it somewhere
    else (even close by).
    To test for actual reception, your radio
    must receive a test or emergency alert
    broadcast. The National Weather Ser-
    vice (NWS) broadcasts a test alert ev-
    ery week on Wednesday between 11
    AM and 12 Noon. To find out the spe-
    cific test schedule in your area, con-
    tact your local National Oceanic and
    Atmospheric Administration (NOAA)
    or National Weather Service office.These offices are usually listed in the
    telephone book under “US Govern-
    ment, Department of Commerce.”
    To verify that your scanner receives
    the test alert properly, set the scanner
    to the weather alert standby mode
    (see “Using the Weather Alert Stand-
    by Mode” on Page 25) during the time
    when the test alert is broadcast in your
    area.
    If the test alert broadcast does not trig-
    ger your scanner’s tone, you are out of
    range of the broadcast.
    Note: 
    If you use your scanner’s
    weather alert feature when you travel,
    you cannot guarantee that an emer-
    gency alert broadcast will trigger the
    scanner in all areas.
    Notes for Weather Alerts:
    • To ensure your scanner will sound
    the alert tone when it receives an
    emergency signal, keep the
    antenna fully extended at all
    times.
    • If severe weather threatens, do
    not wait for an alert tone; turn on
    your scanner and monitor the lat-
    est weather information.
    20-418.fm  Page 10  Wednesday, August 4, 1999  12:42 PM 
    						
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