How it Works
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2000424
Users manual
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Radio Shack 2000424 Users manual

20-424 Owner’s Manual
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PRO-2018 200 Channel Deskto p Scanner
Owner’s Manual Please read before using thi s equipment

The FCC Want You to Know

However, there is no guarantee that in terference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiv er.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause undesired operation.
Note: Mobile use of this sc ann er is u nlaw fu l or requ ires a per mit i n so me areas. Chec k the laws i n your area.
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20-424 Owner’s Manual
WARNING: To reduce the risk of fire or shock hazard, do not expose this product to rain or moisture.
© 2002 RadioShack Corporation. All Rights Rese r ved. RadioShack is a registered t r ademark used by Tandy Corporation. Hyperscan, Hypersearch, and Adaptaplug are trademarks used by Tandy Corporation.

CONTENTS

will add

FEATURES

Your RadioShack 200-Channel VHF/AIR/UHF Desktop Scanner lets you in on all the action! This scanner gives you direct access to over 25,000 frequencies, including those used by police and fire departments, ambulance services, gov ernment agencie s, air, and amateur radio services. You can select up to 200 channels to scan, and you can change your select i on at any time.
The secret to your scanner’s ability to scan so many frequencies is its built-in microprocessor. Your scanner also has these special features:
One Touch Search Banks – let you search preset frequencies in separate ham radio, police/fire/emergency, aircraft, weather, and marine ban ks, to make it easy to locate spec ific ty pes of calls. Two-Second Scan Del ay – delays scanning for 2 seconds before moving to another channel, so you can hear more replies. Ten Channel-Storage Banks – let you store up to 20 channels in each of 10 different banks, to group channels so you can mor e easily identify calls. Memory Backup – keeps the channel frequencies stored in memory for about 1 hour during a power loss. HyperSearch TM and HyperScan TM – let you set the scanner to search at up to 50 steps per
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second and to scan at up to 25 chan nel per second, to help quic kly find interesting tr ansmissions. Duplicate Frequency Check – automatically notifies you if you are about to store a frequency you have already stored, to help avoid wasting storage space.
Tune – lets you search for new and unlisted frequencies starting from a specified frequency. Priority Channel – lets you program a frequency in the priority channel to be scanned every 2
seconds so you do not miss importa nt cal ls. Weather Alert – automatically sounds the alarm tone to advise of hazardous weather conditions when the scanner detects an alert signal on the local NOAA w eat her channel. Lock-Out Function – lets you set your scanner to skip over specified channels or frequencies when scanning or searchin g. Liquid Crystal Display – makes it easy to view and change programming information at any time.
Display Backlight – makes the scanner easy to read in low light situations. Supplied Telescoping Antenna – lets the scanner receive strong local signa ls. External Antenna Terminal – lets you connect an ext ernal ante nna (not supp lie d) t o t he sca nner.
Your scanner can receive these bands:
Frequency Range (MHz) Ty pe of Transmissions 29-54 10-Meter Ham Band, VHF Lo, 6-Meter Ham Band 108-136.9875 Aircraft 137-174 Military Land Mobile, 2-Meter H am Band, VHF Hi 380-512 MHz UHF Aircraft, FGovernment, 70-cm Ham Band,
UHF Standard Band, UH F “T” Band
SCANNING LEGALLY
Scanning is a fun and interesting hobby. You can hear police and fire departments, ambulance services, government agencies, private companies, amateur radio services, aircraft, and military operations. It is legal to listen to almost every transmission your scanner can receive. However, there are some electronic and w ire co mmunications that are illegal to intenti onally intercept. These include:
• telephone conversations (cellular, cordless, or other private means of telephone signal transmission)
• pager transmissions
• any scrambled or encrypted trans missi ons
According to the Federal Electronic Communications Privacy Act (ECPA), and amended, you could
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be fined and possibly imprisoned for intentionally listening to, using, or disclosing the contents of such a transmission unless you have the consent of a party to the communication (unless such activity is otherwise illegal). These laws change from time to time and there might be state or local laws that also affect l egal scanner usage.

PREPARATION

POWER SOURCES

USING AC POWER
You can power the scanner using the supplied 12V, 300mA AC adapter.
Cautions:
! You must use a Class 2 power source that supplies 12V DC and delivers at least 300 mA. Its center tip must be set to positive and its plug must fit the scanner’s DC 12V jack. The supplied adapter meets these specifications. Using an adapter that does not meet these specifications could damage the scanner or the adapt er.
• Always connect the AC power to the scanner before you connect it to the scanner before you connect it to AC power. When you finish, disconnect the adapter from AC power before you disconnect it from the scanner .
Warning: To prevent electric shock, do not use the AC adapter’s polarized plug with an extension cord, receptacle, or other outlet unless you can fully insert the blades t o prevent blade exposure.
Follow these steps to power the scanner from a standard AC outlet.
1. Insert the AC adapter’s barre l pl ug into the DC 12V jack on the back of the sc anner.
2. Plug the adapter into a sta ndard AC outlet.
USING VEHICLE BATTERY POWER
You can power the scanner from a vehicle’s 12V power source (such as cigarette-lighter socket) using a 12V, 300-mA DC cord and a size M AdaptaplugTM (neither supplied) Both are avail able at your local RadioShac k store.
Cautions:
! You must use a power cord that can carry 12V DC and at least 300 mA. Its center tip must be
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set to positive and its plug must fit the scanner’s DC 12V jack. Using an cord that does not meet these specifications could damage the scanner or the cord.
• Always connect the DC cord to the sca nner b efore you conn ect it t o the pow er source. When you finish, disconnect the cord fr om the power source before you disconnect it from the scanner.
Follow these steps to power the scanner from a vehicle’s cigarette-li ghter socket.
1. Connect the adaptaplug c onnector to the DC cord so the tip reads posit iv e (+ ).
2. Insert the DC cord’s barre l plug into the DC 12V jack on the back of the scanner.
3. Plug the cord into the vehic le’s cigarette-lighter socket.
Notes:
• If you use a 12V DC cord and your vehic le’s engin e is running, you might h ear electric al nois e on the scanner caused by the engine. This is normal.
• Mobile use of this sc anner is un law fu l or requ ires a p er mit in so me areas. C hec k the laws i n y our area.
CONNECTING AN ANTENNA
CONNECTING THE SUPPLIED ANTENNA
You must install an antenna before you can operate the scanner.
The supplied telescoping antenna helps your scanner receive strong local signals. To install the antenna, thread it clockw ise into the hole on top of the scan ner.
The scanner’s sensitivit y depends on its location and the antenna’s length. For the best reception of the transmissions you w ant to hear, adjust the antenna’s length according to the chart below.
Frequency Antenna Length
29-174 MHz Extend fully 380-512 MHz Extend 2 segments
CONNECTING AN OUTDOOR ANTENNA
Instead of the supplied antenna, you can connect an outdoor base-station or mobile antenna (neither supplied) to your scanner. Your local RadioShack store sells a variety of antennas. Choose the one that best meet s your needs.
When deciding on an outdoor antenna and its location, consider t hese points.
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When deciding on an outdoor antenna and its location, consider t hese points:
• The antenna should be lo cat ed as high as possible.
• The antenna and antenna cable should be as far as possible from sources of electrical noise (appliances, other radios, and s o on).
• The antenna should be vertical for the best performance.
To connect an optional base-station or mobile antenna, first remove the supp lied ante nna from the scanner. Always use 50 Ohm coaxial cable, such as RG-58 or RG-8, to connect an outdoor antenna. For length over 50 feet, use RG-8 low -loss die lectric coa xial cabl e. If the antenna cab le’s connector does not have a BNC connector, you will also need a BNC adapter (not supplied, available at your local RadioShack store). Your local RadiShack store carries a wide variety of coaxial cable and connect ors.
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
Warning: Use extreme caution when you installing or removing 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.
Caution: Do not run t he cable over sharp edges or moving parts that might damage it.
ANT connector.

CONNECTING AN EARPHONE/HEADPHONES

For private listening, you can plug an 1/8-inch (3.5 mm) mini-plug earphone or headphones (not supplied), available at your local RadioShack store, into the (headphone symbol)/PC jack on the rear of your scanner. This automatic al ly disconnects the internal s peaker.
Listening Safely
To protect your hearing, follow these guidelines when you u se an earphone or headphones.
• Do not listen at extremely high volume levels. Extended high-volume listening can lead to permanent hearing loss.
• Set the volume to the lowest setting before you begin listening. After you begin listening, adjust the volume to a comfortable level.
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• Once you set the volu me, do n ot incre ase it. Ov er time, your ears ad apt to t he v olume lev el, so a volume level that does not cause discomfort might still damage your hearing.
Traffic Safety
Do not wear an earphone or headphones while you drive a vehicle or ride a bicycle. This can create a traffic hazard and can be illegal in some areas. Even though some earphones and headphones let you hear some outside sounds when you listen at normal levels, they still can present a traffic hazard.

CONNECTING AN EXTENSION SPEAKER

In a noisy area, an extension speaker (not supplied), available at your local RadioShack store, might provide more comfortable listening. Plug the speaker cable’s 1/8-inch (3.5 mm) mini-plug into your scanner’s (headphone symbol)/PC jack.
Note: You must use an amplified speaker with this scanner. Non-amplified speakers do not provide sufficient volume for comfortable listening.
ABOUT YOUR SCANNER
Once you understand a few simple terms used 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 w ant t o receive, then set the scanner to scan the m.
A frequency is the receiving signal location (expressed in kHz or MHz). To find active frequencies, you can use the search function.
You can also search the One Touch Search Bands, which are preset groups of frequencies categorized by ty pe of serv ice.
When you find a frequency, you can store it into a programmable memory loc ation cal led a channel, which is grouped with other channels in a channel-storage bank. You can then scan the channel- storage banks to see if there is activ ity on the frequencies stored there. Each time the scanner finds an active frequency, it stays on that channel until the trans mission ends.
A LOOK AT THE KEYPAD
Here is a brief overview of your scann er’s keys and their functions.
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MAR Lets you seearch the scanner’s pre programmed marine band. FD/PD Lets you search the scanner’s prepro grammed fire/police band. AIR Lets you search the scanner’s prepro grammed aircraft band. HAM Lets you search the scanner’s preprogrammed a mate ur radio band. WX Lets you search the scanner’s preprogrammed 7 weather channe ls. PRI/ALERT Turns on and off the priority feature; turns the WX ale rt mo de on and off. SCAN/MAN Scans any preprogrammed channels or stops scanning and lets you directly
enter a channel number. ^/v Searches up or down for active frequencies or selects the direction when scanning
channels.
TUNE/CL Lets you tune a frequency along with ^ or v or, clears an incorrect entry. L/O RVW/L/O Reviews locked-out frequencies; lets you lock out selected channels or
frequencies.
PGM Programs frequencies into channels.
Number Keys Each key has single-digit (0 to 9) and a range of numbers. Use the range of
numbers above the key (21–40 for example) to select the channel in a channel-storage bank. See “Understanding Ban ks” on Page 9.
DELAY /• Programs a 2-second delay for the selected channel; ent ers a decimal point. ENT (enter) Enters frequencies into channels.
A LOOK AT THE DISPLAY
The display has indicators that show the scanner’s current operating status. This quick look at the display will help you un derst and how your scanner operates.
BANK
them show which banks are turned on for sca nning (see “Understanding Banks” on Page 9).
MAR WX FD/PD AIR HAM
^/v Indicates the search or scan direction.
Appears with numbers (1–10) to indicate the scan bank. Bank numbers with a bar under
Indicates that the scanner is se arching the marine bank. Indicates that the scanner is searching the weather channels. Indicates that the scanner is searching the fire/police bank. Indicates that the scanner is se arching the aircraft bank. Indicates that the scanner is se arching the amateur radio ban k.
CH B
L/O (lockout) Appears when you manually select a channel that was previously locked out
Appears with digits (1–200) or P to show which channel the scanner is tuned to. Appears when the batteries are low .
during scanning or when y ou review a locked-out frequency.
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SRCH SCAN MAN PGM PRI DLY
b X -FULL
banks channels are full.
-dUPL- DEFA ULt
frequencies.
D-Error End Error FLo ALL-CL
or HAM bank or tune.
FLo-FULL
are already locked out.
Appears during service bank and direct frequency searches. Appears when the scanner scans channels. Appears when you manually select a channel. Appears when you program fre quencies into the scanner’s channels. Appears when the priority feature is turned on. Appears when you program a 2-sec ond delay.
Appears when you try to enter a frequency during a search when all displayed
Appears when you try t o st ore a frequency that is already stored in anot her channel.
Appears when you remove all the lock-outs from the FD/PD, AIR, or HAM bank
Appears when the scanner rece ives a data error during wired programming. Appears when the scanner has finished wired programming. Appears when you make an entry error.
Appears when you remove all the locked-out frequencies during a FD/PD, AIR,
Appears when you try t o lock out a fr equency during a tune wh en 50 frequencies
F L-out L-r oFF tonE on tonE P StArt
-t- WirEd
into it.
Appears when you start a tune fro m a locked-out frequency. Appears when you review the locked-out frequencies.
Appears when you turn the key t one off.
Appears when you turn the key t one on. Appears when the scanner is t uned to the priority channel. Appears when the scanner start s w ired pro gramming. Appears during a direct frequency search.
Appears when you set the scanner t o its wired progra mming mode to program freq uencies
UNDERSTANDING BANKS
Channel Storage Banks
A bank is a storage area for a group of channels. Channels are storage areas for freequencies. Whereas a channel can only contain one frequency, a bank can hold numerous channels.
To make it easier to identify and select the channels you want to listen to, your scanner divides the channels into 10 banks (1 to 10) of 20 channels each, a total of 200 channels. You can use each channel-storage bank to group frequencies, such as those used by the police department, fire
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department, ambulance services, or aircraft (see “Guide to the Action Bands” on Page 24).
For example, a police department might use four frequencies, one for each side of town. You could program the police frequencies start ing with Chann el 1 (the first chann el in bank 1) and progra m the fire department frequencies startin g w ith C hannel 21 (the first channel in ban k 2).
One Touch Banks
The scanner is preprogrammed with the frequencies allocated by marine, fire/police, aircraft, ham radio, and weather services. This is handy for quickly findin g active fre quenc ies instead of search ing through an entire band (see “Searching the One Touch Banks” on Page 14).
Note: The frequencies in the scanner’s service banks are preset. You cannot change them.
Fire/Police
Group Frequency Range (MHz) Step
(kHz)
1 33.420–33.980 20
37.020–37.420 20
39.020–39.980 20
42.020–42.940 20
44.620–45.860 40
45.880 –
45.900 –
45.940–46.060 40
46.080–46.500 20
2 153.770–154.130 60
154.145–154.445 15
154.650–154.950 15
155.010–155.370 60
155.415–155.700 15
155.730–156.210 60
158.730–159.210 60
166.250 –
170.150 –
3 453.0375–453.9625 12.5
458.0375–458.9625 12.5
460.0125–460.6375 12.5
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