Radio Shack PRO-2048 User Manual

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Owner’s Manual
Programmable Home Sca nner
Please read before using this equipment.
Cat. No. 20-417
PRO-2048 200-Channel
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FEATURES
Your RadioShack PRO-2048 200­Channel Programmable Home Scan­ner lets you in on all the action! This scanner gives you direct access to over 30,000 exciting frequencies that include police and fire departments, ambulance and transportation ser­vices, and amateur radio. You can select up to 200 channels to scan, and you can change your selections 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 also has these fea­tures:
Manual or Scan Cha n ne l S el e ct
— lets you manually specify a single channel or set the scanner to auto­matically scan all the stored chan­nels.
Triple Conversion Superhetero­d
ne Receiver
— virtually elimi­nates any interference from intermediate frequency (IF) images, so you hear only the frequency you select.
— let you select normal or Hyper Scan speeds, and normal, high, or HyperSearch speeds.
H
perScan
— scans 50 ch annels
per second.
perSearch
H
— searches through frequencies at 300 s teps per second in bands that have 5 kHz steps to help you find interesting broadcasts.
Ten 20-Channel Stora
e Banks
— let you store 20 channels in eac h of 10 banks to group frequencies so you can easily identify calls.
Ten Pr io rit
Channels
— let you set the scanner to chec k up t o 10 chan­nels every 2 seconds so you d o not miss important calls.
Data Si
nal Skip
— lets you set the scanner to skip non-modulated sig­nals or data signa ls during a limit or direct search so it can automatically continue searching.
Monitor Memories
— let you store up to 10 frequ encies you locate dur­ing a frequency search which you can then transfer into channels.
Search Function
— searches for new and unlisted frequencies using a designated frequency range (limit search) or starting from a specified frequency (direct search).
Search Skip
20 frequencies for the scanner to skip during a limit or direct search, so you can avoid unwanted frequencies such as those with a continuous
— lets you select up to
transmission.
© 1997 Tandy Corporation.
HyperScan and HyperSearch are trademarks and RadioShack
is a register ed trad emark used by Tandy Corporat ion.
All Rights Reserv ed .
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CAUTION
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Adjustable Tone — lets you turn on or off the beep you hear when you press a key.
Two-Second Sca n Delay — delays scanning for 2 seconds b efore mov­ing to another channel, so you can hear more replies.
Weather Band Key — scans the preprogrammed weather frequen­cies so you can stay informed about current weather conditions.
Memory Backup — keeps the chan­nel frequencies s tored in your s can­ner’s memory for up to 3 days during a power loss.
Squelch C ontrol — lets you adjust the receiver’s sensitivity low enough to receive weak signals or high enough to eliminate receiver noise when not receiving a signal.
Lock-Out Function — prevents channels you select from being scanned.
Backlit Liquid Crystal Display — lets you easily see the indicators on the scanner’s display, even at night.
Audio O ut p ut Ja ck — lets you con­nect an earphone or headphones for private listening, or an external speaker for listening in a remot e or noisy area.
Optional Antenna Termi nals — let you connect the supplied telescoping
antenna to the screw-in terminal, or an external antenna to the BNC con­nector.
Optional Power Sources — you can power your scanner using the supplied AC adapter or an optional DC cigarette-lighter power cable.
Warning: To preven t fire or shoc k
hazard, do not expose this system to rain or moisture.
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION
ELECTRIC SHOCK, DO NOT REMOVE COVER OR BACK. NO USER-S ERVICE­ABLE PARTS INSIDE. REFER SERVIC­ING TO QUALIFIED PERSONNEL.
!
: TO REDUCE THE RISK OF
This symbol is intended to alert you to the presence of uninsulat­ed dangerous voltage within the scanner’s enclosure that might be of sufficient magnitude to consti­tute a risk of elec tri c shoc k. Do no t open the scanner’s case.
This symbol is intended to inform you that important operating and maintenance instructions are in­cluded in the litera ture a ccom pa­nying this scanner.
!
We recommend you record your scanner’s serial number here. The number is on the back panel.
Serial Number: ________________
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Your PRO-2048 can receive these bands:
Band Frequency Range
10-Meter Ham Band 29.00 VHF-Lo 29.7 6-Meter Ham Band 50.00 Aircraft 108 Government/Ham 137 VHF-Hi 148 Ham/Government 406 UHF-Lo 450 UHF-T (TV) 470 UHF-Hi 806
(MHz)
136.975
823.9375
851
868.9375
896.1125
29.7
50.00
54.00
– – – – –
148 174 450 470 512
956
FCC NOTICE
Your scanner might c ause 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 electrical circuit from the receiver
• Contacting your local RadioShack store for help
If you cannot eliminate t he interference, the FCC requires that you stop using your scanner.
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This device complies with Part 15 of lowing two conditions: (1) This device may not cause ha rmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
FCC Rules
. Operation is subject to the fol-
SCANNING LEGALLY
Your scanner covers frequencies used by many different groups including police and fire departments, ambulance services, government agenc ies, private com­panies, amateur radio services, military operations, pager services, and wireline (telephone and telegraph) service provide rs. It is legal to li sten to al most 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 transmission)
• Pager transmissions
• Any scrambled or encrypted transmissions
According to the Electronic Communications P rivacy Act (ECPA), you are sub­ject to fines and possible imprisonment for intentionally listening to, using, or di­vulging the contents of such a t ransmission unless you have the c onsent of a party to the conv ersat ion (unless such acti vity is otherw ise illeg al). We enco ur­age responsible, legal scanner use.
Note:
Mobile use of this scanner is unlawful or requires a permit in some areas.
Check the laws in your area.
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CONTENTS
Preparation ..................................................................................................... 8
Connecting Power ..................................................................................... 8
Using Standard AC Power ............................................. ..... .. ..... ..... .. .. 8
Using Vehicle Battery Power ............................................................... 8
Connecting the Antenna ............................................................................ 9
Connecting an Optional Antenna . ..................................................... 10
Resetting the Scanner’s Display .............................................................. 10
Initializing the Scanner ............................................................................ 11
Connecting an Earphone/Headph ones/Ext ernal Speaker ....................... 12
Listening Safely ................................................................................. 12
Traffic Safety ..................................................................................... 12
Understandin
A Look at the Front Panel ........................................................................ 13
A Look at the Display ............................................................................... 15
Understanding the Scanner ’s Memory . ................................................... 17
Channel-Storage Banks .................................................................... 17
Monitor Memories ............................................................................. 17
Operation ...................................................................................................... 18
Turning On the Scanner/Setting the Volume and Squelch ...................... 18
Manually Storing Frequencies in Channels ............................................. 19
Searching For and Temporarily Storing Active Frequencies .................... 20
Limit Search ...................................................................................... 20
Direct Search .................................................................................... 21
Search Skip Memory ......................................................................... 22
Listening to Monitor Memories ................................................................. 23
Moving a Frequency from a Monitor Memory to a Channel ..................... 23
Scanning the Stored Channels ................................................................ 24
Turning Channel-Storage Banks On and Off ........................................... 24
Manually Selecting a Channel ................................................................. 24
Listening to the Weather Band ................................................................ 25
Special Features ........................................................................................... 26
Using Priority Channels ........................................................................... 26
Using the 2-Second Delay ....................................................................... 27
Locking Out Channels ................................ .............. ................... ............ 27
Changing Scanning and Search Speeds ................................................. 28
Skipping Data Signals ............................................................................. 28
Turning the Key Tone On or Off ............................................................... 29
Your Scanner ...................................................................... 13
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A General Guide To Scanning ..................................................................... 30
Guide to Frequencies ............................................................................... 30
US Weather Frequencies .................................................................. 30
Canadian Weather Frequencies .................................. ....... .......... ......30
Ham Radio Frequencies .................................................................... 30
Birdie Frequencies .............................................................................30
Guide to the Action Bands ....................................................................... 31
United States Broadcast Bands ........................................................ 31
Typical Band Usage .......................................................................... 31
Primary Usage ................................................................................... 33
Specified Intervals .................................................................................... 33
Band Allocation ........................................................................................ 34
Frequency Conversion ............................................................................. 39
Troubleshooting ........................................................................................... 40
Care and Maintenance ................................................................................. 41
Specifications ............................................................................................... 42
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DC 12VANT
EXT SP
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PREPARATION
CONNECTING POWER
If a power failure occurs or if
Note:
the DC cigarette-lighter power cable or AC adapter is disconnected, the scanner’s memory backup circuit keeps information in memory for up to 3 days.
Using Standard AC Power
You can power your scanner fr om a standard AC outlet using the sup­plied AC adapter.
Warnin
er’s polarized plug with an extensio n cord receptacle unless the blades can be fully inserted to prevent blade exposure.
Do not use the AC adapt-
:
• Be sure you connect the AC adapter to the scanner before you connect it to a standard AC outlet. Then disconnect the adapter from the AC outlet before you disconnect it from the scanner.
• If you have difficulty inserting the AC adapter ’s polarized plug, do not force it. Turn it over and rein­sert it.
1. Insert the supplied AC adapter ’s barrel plug into the scanner’s
12V
jack.
EXT SP
RESETDC 12V
DC
2. Plug the adapter’s power mod­ule into a standard AC outlet.
Cautions:
• The supplied AC adapter sup­plies 12 volts and delivers 500 milliamps . Its cent er tip is s et to positive, and its plug properly fits the scanner’s
DC 12V
Using an AC a dapter that does not meet these specifications could damage the scanner or the adapter.
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jack.
Using Vehicle Battery Power
To power your scanner from your ve­hicle’s cigarette-lighter socket, you need a DC cigarette-lighter power cable such as Cat. No. 270-1533).
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Cautions:
• The DC cigarette-lighter power cable must be capable of deliv­ering 12 volts and 500 milli­amps, its center t ip must be set to positive, and its barrel plug must correctly fit the scanner's
DC 12V
jack. The recommended power cable meets t hese speci­fications. Using a power cable that does not meet these specifi­cations could damage the scan­ner or the power cable.
• Always plug the power cable into the scanner before you plug it into your vehicle's cigarette­lighter socket. Always unplug the power cable from the vehi­cle's cigarette-lighter socket before you unplug it from the scanner.
Follow these steps to use vehicle battery power.
Note: If the scanner does not oper­ate properly when you use a ciga­rette-lighter power cable, unplug the power cable from the cigarette­lighter socket and clean the socket to remove ashes and other debris.
CONNECTING THE ANTENNA
To attach the supplied telescoping antenna to your scanner, simply screw it into the hole on top of your scanner.
RESETDC 12VANT EXT SP
1. Insert the power cable’s barrel plug into the scanner’s
DC 12V
jack.
2. Plug the other end of the power cable into the vehicle’s cigarette­lighter socket.
The antenna’s length controls its sensitivity. Adjust the length of the telescoping antenna as follows for the best reception.
29–54 MHz Extend all 3
segments
108 MHz
406 MHz
174
956
Extend only 2
segments
Collapse fully
(only 1 segment
extended)
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Connecting an Optional Antenna
The s upp li ed t ele sc opi ng ant enn a re ­ceives strong, local signals. Howev­er, to receive weaker, more distant signals in all bands, you can attach an optional antenna, such a s an ex­ternal mobile antenna or outdoor base station antenna. Your local Ra­dioShack store se lls a variety of an­tennas.
If you connect an external an-
Note:
tenna, remove the telescoping an­tenna from the top of the scanner.
Always use 50-ohm coaxial cable, such as RG-58 or RG-8, to connect an outdoor antenna. For lengths over 50 feet, use RG-8 low-loss d ielectric coaxial cable. If your antenna’s cable does not have a BNC connector, use a BNC adapter available at your local RadioShack store.
Warnin
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 t he ant enna, 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.
Cautions
• Do not run the cable over sharp
• Do not run the cable next to
• Do not run the cable through
• Follow all cautions and warnings
Use extreme caution when
:
:
edges or moving parts.
power cables or other antenna cables.
areas that produce extreme heat.
included with the antenna.
Follow the installation instructions supplied with the antenna, route the antenna cable to the scanner, then connect it to the of the scanner.
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ANT
jack on the back
ANT EXT SP
RESETTING THE SCANNER’S DISPLAY
If the scanner’s display stops work­ing after you connect a power source, follow these steps to reset it.
1. If the scanner is off, press
POWER
to turn it on.
RESETDC 12V
EXT SP
RESET
DC 12V
EXT SP
ANT
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INITIALIZING THE SCANNER
If the scanner or its display does not work properly even after resetting it, follow these steps to initialize the scanner.
2. Using a pointed object, such as a straightened paper clip, pre ss
RESET
on the back of the scan­ner. The display resets, and the scanner turns off.
3. Press
POWER
to turn on the
scanner again.
Caution:
Initializing the scanner clears all the channels you stored in memory. Initialize the scanner only when you are sure it i s not working properly.
1. If the scanner is off, press
POWER
2. Hold down
RESET
to turn it on.
/CLEAR
, then press
on the back of the scan­ner using a pointed object, such as a straightened paper clip. The display resets, and the scanner turns off.
3. Press
POWER
to turn on the
scanner.
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CONNECTING AN EARPHONE/ HEADPHONES/ EXTERNAL SPEAKER
The 1/8-inch of the scanner lets you connect an optional earphone (such as Ca t. No. 33-175), headphones (such as Ca t. No. 20-210), or an external speaker (such as Cat. No. 21-549).
Note:
vice to the disconnects the internal speaker.
EXT SP
DC 12V
RESET
EXT SP
ANT
jack on the back
Connecting any external de-
EXT SP
jack automatically
Listening Safely
To protect your hearing, follow these guidelines when you use an ear­phone or headphones.
• Do not listen at extremely high volume levels. Extended high­volume 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.
• Once you set the volume, do not increase it. Over time, your ears adapt to the vol ume level, so a volume level that does not cause discomfort might still damage your hearing.
Traffic Safety
Do not wear an earphone or head­phones while operating a motor vehi­cle or riding a bicycle. This can create a traffic hazard a nd could be illegal in some areas.
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Even though some earphones and headphones let you hear some out­side sounds when listening at normal volume levels, they still can present a traffic hazard.
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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 pu t the scan ner to work for you . You simply find the communications y ou want to receive, then set the scanner to scan those frequencies.
A
frequenc
find active frequencies, you can use the search within a specific range of frequencies or the which lets you search up or down from the currently displayed frequency.
When you find a frequen cy, you can store it into a permanent memory location called a
stora
activity on the frequencies st ored there. Each time t he scanner finds an ac tive frequency, it stays on that channel until the transmission ends.
Another option is to store the frequency into a temporary memory location called a
Just keep in mind — you search frequencies and scan channels.
is the tuning l ocation of a st ation (expressed in kHz or M Hz). To
function which lets y ou
direct search
channel
e bank
monitor memor
, which is grouped with your other channels in a
. You can then
limit search
the channel-storage banks to see if there is
scan
until you decide to move it to a channel.
function
channel-
A LOOK AT THE FRONT PANEL
This look at the scanner’s front panel will help you understand each cont rol’s function.
VOLUME
SQUELCH
Sets the scanner’s volume. Adjusts the scanner’s receiver sensitivity to help you elim-
inate background noise.
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SCAN
MANUAL
Starts scanning through the stored channels. Stops scanning and lets you manually enter a channel
number.
L/O/SEARCH SKIP
Turns the selected channel ’s lockout function on and off, or skips a specified frequency during a limit or direct search.
DELAY
PRI/HYPER SEARCH
Programs a 2-second delay for the selected channel. Sets and turns on and off the priority function for a partic-
ular channel, or selects the HyperSearch speed.
MON
Stores frequencies into and accesses the 10 monitor
memories.
LIMIT
Used to set the lower or upper limit during frequency searches.
SPEED
POWER
Changes the scanning or search speed.
Turns the scanner on and off. D — Enters the up or down direction in the search mode. Number Keys
/CLEAR
ENTER
PGM
WX
DATA
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Each key has a single-digit label and a range of numbers.
The single digits are used to enter a channel or a frequen-
cy. The range of numbers (21
40, for example) above the
key indicates the channels t hat make up a channel-stor-
age bank.
Enters the decimal point in a frequency, or clears an incor-
rect entry. Also used when you initialize the scanner.
Enters programmed frequencies into channels.
Programs frequencies into channels.
Searches through the seven preprogrammed weather
channels.
Turns the data skip feature on and off.
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A LOOK AT THE DISPLAY
The display’s indicators show the scanner’s current operating mode.
MON
BANK
SCAN
MANUAL
PROGRAM
P
CH
MHz
PRIORIT Y
LOCKOUT
Appears when you listen to a monitor memory. Appears with numbers (1–10) next to it to show which
channel-storage banks are turned on for scanning. Appears when you scan channels. Blinks when the scan-
ner is in the HyperScan mode. Appears when you manually select a channel. Appears while you program frequencies into the scan-
ner’s channels. Appears when you are hearing a priority channel. Digits to the left o f this indicator show which channe l the
scanner is tuned to. Digits to the left of this indicator show which frequency the
scanner is tuned to. Appears when you turn on the priority channel feature. Appears when y ou manually select a locked chan nel, or
during a search hold when the frequency is stored in search skip memory.
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DATA
DELAY
WX
and
s
SEARCH
Error
Lo
Hi
-h-
-H-
Appears while the data skip function is turned on. Appears when you program a chan nel for a two-second
delay before scanning or when you listen to a channel programmed with the delay feature.
Appears when the scanner is in the weather band mode.
t
Indicates the search direction. Blinks in the high speed search mode.
Appears during a limit ( weather scan. Blinks in the HyperSearch mode.
Appears when you make an incorrect entry. Appears when you program the lower limit for a frequency
search. Appears when you program the upper limit for a frequency
search. Appears during a direct search hold. Appears during a limit or weather search hold.
-L-
) or direct (
-d-
) search or
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UNDERSTANDING THE SCANNER ’S MEMORY
You can store up to 210 frequencies into your scanner’s memory. This scanner has 20 0 channel memories and 10 monitor memories.
Channel-Storage Banks
To make it easier to identify and se­lect the channels you want to listen to, channels are divided into 10 chan­nel-storage banks of 20 channels each. Use each storage bank to group frequencies, such as the po­lice department, fire department, am­bulance services, or aircraft (see “Guide to the Action Bands” on Page 31).
For example, the police department might use four frequencies, one for each side of town. You could pro­gram the police f requencies starting with Channel 1 (t he first channel in Bank 1) and program the fire depart­ment starting with Channel 21 (the first channel in Bank 2).
Monitor Memories
The scanner has 10 monitor memo­ries. You can use these memories to temporarily store frequencies while you decide whether or not to store them into channels. This is handy for quickly storing an active frequency when you search through an entire band. You can manually select these memories, but you cannot scan them. See “Searchin g For and Tem­porarily Storing Active Frequencies” on Page20.
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OPERATION
TURNING ON THE SCANNER/SETTING THE VOLUME AND SQUELCH
1. Turn
2. Press
3. Press
SQUELCH
POWER
scanner. The scanner continu­ously scans the unlock ed chan­nels.
If you have not stored any
Note:
frequencies into channels, the scanner does not scan.
MANUAL
ning. The display shows the cur­rent channel.
fully clockw ise.
to turn on your
to stop the scan-
4. Turn
5. Turn
6. Adjust
7. Slowly turn
8. To turn off the scanner, press
VOLUME
the scanner’s volume about of the way between
MAX
.
SQUELCH
wise until you hear a hissing noise.
VOLUME
level.
until the hissing noise stops.
Squelc h Ti ps:
• If the scanner picks up un­wanted or weak transmis­sions, slightly turn clockwise to decrease re­ceiver se ns it iv it y.
• If the scanner does not pick up any transmissions, slig htly turn wise to increase receiver sen­sitivity.
POWER
clockwise to set
counterclock-
to a comfortable
SQUELCH
SQUELCH
.
1
MIN
and
clockwise
SQUELCH
counterclock-
/
4
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MANUALLY STORING FREQUENCIES IN CHANNELS
You can manually store up to 200 fre­quencies into your scanner’s chan­nels.
Great references for active frequen­cies are the RadioShack “Police Call Guide including Fire and Emergency Services,” “Official Aeronautical Fre­quency Directory,” and “Maritime Frequency Directory.” We update these directories every year, so be sure to get a current copy.
If you do not have a reference to fre­quencies in your area, you can use a limit or direct search to find a trans­mission (see “Searching For and Temporarily Storing Ac tive Frequen­cies” on Page 20).
Follow these steps to manually store frequencies.
PGM
3. Press number, the selected channel number and
MHz
, and
4. Enter the frequency you want to store, including the decimal point.
Note:
quency, the scanner automati­cally rounds it to the nearest valid number. For example, if you enter rounds it up to 151.475.
5. Press quency into the selected chan­nel.
BANK
.
and the b ank
CH, 000.0000
PROGRAM
When you enter a fre-
151.473
ENTER
appear.
, your scanner
to store the fre-
1. Press
2. Enter the channel number where
MANUAL
ning.
you want to store a frequency.
to stop the scan-
Note:
If you made a mistake in Step 4, Steps 4 and 5.
6. To program the next channel in sequence, repeat S teps 3–5 . To program other channels not in sequence, repeat Steps 2–5.
Error
appears. Repeat
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SEARCHING FOR AND TEMPORARILY STORING ACTIVE FREQUENCIES
You can search for frequencies using a limit or direct search, then tem po­rarily store frequencies into monitor memories.
Limit Search
Note:
If you enter an invalid fre­quency, rect this, simply repeat the step.
3. Press appear.
Error
LIMIT
appears. To cor-
. Hi and a frequency
Note:
ner’s delay feature while using a limit search (see “Using the 2-Second De­lay” on Page 27).
Follow these steps to search for ac­tive frequencies using a limit search.
You can also use the scan-
1. Press
2. Using the number keys, enter
PGM
frequency appear.
the lowest frequency (including the decimal point) you want to search within the desired fre­quency range, then press
ENTER
.
, then
LIMIT
. Lo and a
4. Using the number keys, enter the highest frequency you want to search within the desired fre­quency range, then press
ENTER
5. Press D to search upward from the lower to the upper limit, or press — to search downward from the upper to t he lower limit.
-L-, SEARCH
appear, and the next available moni tor memory fla sh e s .
.
, and s or t
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6. When the scanner finds an active frequency, you can do one of the following:
• To store the displayed fre-
quency into the current moni­tor memory, quickly press
MON
.
• To continue the search, press
D or —.
• To hold the frequency, press
-H-
LIMIT
.
appears.
LIMIT
Press
again to cancel the hold and resume the limit search.
Notes:
• If you press D or — during the
hold mode, the frequency changes in the current step increment toward the upper or lower limit (see “Specifica­tions” on Page 42).
• If you tune to a search skip
frequency, the display shows
LOCKOUT
(see “Search Skip
Memory” on Page 22).
Follow these steps to search for ac­tive frequencies using a direct search.
1. Press
MANUAL
.
2. Using the number keys, enter the frequency (including the dec­imal point) you want to start the search from, or the channel number containing the starting frequency.
3. Press D to search up or — to search down starting from the specified frequency or channel.
-d-, SEARCH
, and s or t appear, and the next available monitor memory flashes.
Direct Search
A direct search lets you specify a starting frequency, then search for active transmissions above or b elow the specified frequency.
You can also use the scan-
Note:
ner’s delay feature while using direct search (see “Using the 2-Second De­lay” on Page 27).
If you enter an invalid fr e-
Note:
quency,
Error
peat Steps 2 and 3.
appears. Re-
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4. When the scanner finds an active frequency, you can do one of the following:
• To store the f requency into the
current monitor memory,
MON
press
.
• To continue the search, press
D or —.
• To hold the frequency, press
-h-
LIMIT
.
appears.
LIMIT
Press
again to cancel the hold and resume the direct search.
Notes:
• If you press D or — while a
frequency is held, the fre­quency changes in the current step increment.
• If you tune to a search skip
frequency, the display shows
LOCKOUT
(see “Search Skip
Memory”).
To skip a frequency, press
SEARCH SKIP
when the scanner
L/O/
stops on the frequency during a limit, direct, or weather search.
To clear a single frequency from skip memory so the scanner can stop on it during a limit, direct, or weather search, press search, press D or skipped frequency, then press
SEARCH SKIP
LIMIT
to hold the
— to select the
LOCKOU T
until
L/O/
disap-
pears.
Search Skip Memory
You can skip specified frequencies during a limit, direct, or weather search (see “Listeni ng t o the Weath­er Band” on Page 25). This lets you avoid unwanted frequencies o r ones you have already stored in a channel. You can program up to 20 frequen­cies to skip into the scanner’s memo­ry.
22
To clear all the skip frequencies at once, while in the search mode, hold down
L/O/SEARCH SKIP
until the
scanner beeps 2 times.
20-417 .fm Page 23 Wednesday, August 4, 1999 11:33 AM
Notes:
• If you program more than 20 skip frequencies, each new fre­quency replaces old ones , start­ing from the first stored frequency.
• You can select the skipped fre­quency when the scanner is in the hold mode. The sca nner dis­plays select a skipped frequency.
• If you skip all frequencies in the weather band or within a search range, the scanner sounds three beeps and will not start search­ing.
LOCKOUT
when you
LISTENING TO MONITOR MEMORIES
After you temporarily store frequen­cies into the scanner’s monitor mem­ories, you can listen to them by pressing number for the monitor mem ory you wan t to li s ten to.
MANUAL, MON
, then the
Note: To listen to the monitor memo­ries, the priority channel feature must be turned off (see “Using Priority Channels” on Page 26).
MOVING A FREQUENCY FROM A MONITOR MEMORY TO A CHANNEL
1. Press
2. Enter the channel number where
MANUAL
ning.
you want to store the monitor frequency, then press
PROGRAM
to stop the scan-
PGM
appears.
.
23
20-417 .fm Page 24 Wednesday, August 4, 1999 11:33 AM
3. Press
4. Press
MON
, then enter the moni­tor memory number that has the frequency you want to store.
MON
and the entered frequency appear, and the channel number blinks.
ENTER
stores the frequency into the selected channel.
. The scanner
SCANNING THE STORED CHANNELS
To scan the stored channels, press
SCAN
. Your scanner scans through all the stored channels except the ones you lock ou t (see “Locking Out Channels” on Page 27).
When you turn off a bank, the scan­ner does not scan any of the 20 channels in the bank.
While scanning, press the number key for the bank you want to turn on or off. If the memory bank indicator is on, the bank is turned on and the scanner scans all channels within that bank that are not locked out. If the indicator is off, the scanner does not scan any of the chann els within that bank.
Notes:
• You can manually select any channel in a bank, even if the bank is turned off.
• You cannot turn off all banks. There must be at least one active bank.
MANUALLY SELECTING A CHANNEL
If necessary, readjust you do not hear the hissing sound between transmissions.
SQUELCH
so
TURNING CHANNEL­STORAGE BANKS ON AND OFF
You can set your scanner to scan more efficiently by turning selected channel storage banks on or off.
24
You can continuously mon itor a spe­cific channel without scanning. This is useful if you hear an emergency broadcast on a channe l and want to hear all the details (even though there might be p eriods of silence) or if you want to monitor only a specific channel or a locked-out channel.
To manually select a channel, press
MANUAL
then press
, enter the channel number,
MANUAL
again.
20-417 .fm Page 25 Wednesday, August 4, 1999 11:33 AM
Your scanner searches through the weather band and stops on an active broadcast. If a broadcast is weak,
WX
press through the weather band.
again to continue to search
If the scanner is scanning and stops at the desired cha nnel, pres s
AL
once. Repeatedly press to step through the channels one at a time.
MANU-
MANUAL
LISTENING TO THE WEATHER BAND
Your scanner is preprogrammed with the following weather frequencies.
162.400 MHz 162.500 MHz
162.425 MHz 162.525 MHz
162.450 MHz 162.550 MHz
162.475 MHz To hear your local forecast and re-
gional weather information, simply
WX
press
. WX appears.
You can press weather search, then pres s D repeatedly to move forward or bac k­ward through the channels. To con­tinue the search, hold down or — for more than 1 second.
If you tune to a search skip fre-
Note:
quency, the display shows
OUT
(see “Search Skip Memory” on
Page 2 2).
LIMIT
to pause the
or —
LIMIT
LOCK-
, D,
25
20-417 .fm Page 26 Wednesday, August 4, 1999 11:33 AM
SPECIAL FEATURES
USING PRIORITY CHANNELS
The priority feature lets you scan through channels and still not miss important or interesting calls on spe­cific channels. Y ou can progr am one stored channel in each bank as a pri­ority channel (up to 10 stored chan­nels in total). As t he scanner scans the bank, if the priority feature is turned on, the scanner checks the priority channels every 2 seconds for activity.
The scanner automatically desig­nates each bank’s first channel as its priority channel. Follow these steps to select a different channel as the priority channel for a bank.
If the scanner cannot find a pri-
Note:
ority channel, pears when you turn on t he priority feature.
To confirm all priority channel num­bers, press
PRI/HYPER SEARCH
press priority channels.
To turn on the priority feature, press
PRI/HYPER SEARCH
PRIORITY
ning. 2 seconds the scanner checks the priority channel in each bank t hat is turned on, starting from the lowest­numbered to the highest-numbered priority channel. If there is a trans­mission on the priority channel, the scanner tunes the t ransmission until it stops.
CH LOCOUt
P
PGM
, then repeatedly
to see the
during scan-
appears and every
ap-
1. Press
2. Enter the channel number you
3. Repeat Steps 1
26
PGM
.
want to select as the priority channel, then press
SEARCH
of the channel number.
nel in each bank you want to program as a priority channel.
. appears to the le ft
P
PRI/HYPER
2 for the chan-
The scanner does not check the channel if it is in a bank which is turned off or if the priority channe l is locked out.
To turn off the priority feature, press
PRI/HYPER SEARCH.
disappears.
PRIORITY
20-417 .fm Page 27 Wednesday, August 4, 1999 11:33 AM
USING THE 2-SECOND DELAY
Many agencies use a two-way radio system that might have a pause of several seconds between a query and a reply. To avoid missing a reply, you can program a 2-second delay into any of your scanner’s cha nnels or frequencies. Then, when the scan­ner stops on the channel or f requen-
DELAY
cy, continues to monitor the channel/fre­quency for 2 seconds after the trans­mission stops before it resumes scanning or searching.
You can program a 2-second delay in any of these ways:
appears and the scanner
• If the scanner is searching,
DELAY
press
DELAY
ner automatically adds a 2-sec­ond delay to every trans mission it stops on.
To turn off delay, press
DELAY
is displayed.
during the search.
appears and the scan-
DELAY
when
LOCKING OUT CHANNELS
To lock out a channel, press
AL
, enter the desired channel num-
LOCKOUT
so
MANUAL
ber, press the channel, then press
SKIP
PGM
or
appears.
MANU-
to select
L/O/SEARCH
• If the scanner is scanning and stops on an active channel, quickly press starts to scan again. appears.
• If the desired channel is not selected, manually select the channel then press
DELAY
DELAY
appears
before it
DELAY
DELAY
.
Note:
locked out channels.
You can still manually select
27
yp
p
g
20-417 .fm Page 28 Wednesday, August 4, 1999 11:33 AM
To unlock a channel, manually select the channel, then press
SKIP
LOCKOUT
so
L/O/SEARCH
disappears.
To unlock all channels, while the scanner is scanning, select the banks containing the locked chan­nels you want to unlock, press
UAL
, then hold down
SKIP
until the scanner beeps twice.
L/O/SEARCH
MAN-
CHANGING SCANNING AND SEARCH SPEEDS
The PRO-2048 has two scan and three search speeds.
T
eS
Normal Scan
HyperScan
Normal Search
h Speed
Hi Search
HyperSearch
50 steps/second
eed
12 channels/
second
50 channels/
second
100 steps/
second
300 steps/
second (5 kHz
steps only)
To select the HyperSearch speed, during a limit or direct search, pr ess
PRI/HYPER SEARCH.
SEARCH
flash-
es during HyperSearch speed.
Note:
You can use HyperSearch
speed only in 5 kHz-step bands.
SKIPPING DATA SIGNALS
You can set the scanner to skip non­modulated or data signals (such as control signals for pagers or trunked systems) when searching or scan­ning.
This feature does not work and
Note:
DATA
does not appear in the AM mode. Also, the scanner might not skip data signals that have varied patterns of pauses and frequencies.
To skip data signals, press
DATA
appears.
DATA
.
To change the ing scanning, press
scanning
SPEED
speed, dur-
to switch between normal and HyperScan speeds.
SCAN
flashes during Hyper-
Scan speed.
sear ch
To change the
speed, during
a limit, direct, or weather search,
SPEED
press
to switch between the normal and high speed search speeds. s or t flashes during high speed search.
28
To turn off data skip, press
DATA
disappears.
DATA
so
20-417 .fm Page 29 Wednesday, August 4, 1999 11:33 AM
TURNING THE KEY TONE ON OR OFF
Your scanner beeps each time you press a key. Follow these steps to turn off the key tone beep.
1. Turn off the scanner.
2. Hold down then turn on the scanner.
bEEP
appears.
To turn on the beep, repeat these
on bEEP
steps.
L/O/SEARCH SKIP
OFF
appears.
,
29
g
20-417 .fm Page 30 Wednesday, August 4, 1999 11:33 AM
A GENERAL GUIDE TO SCANNING
Reception of the frequencies covered b y your scanner is mainly “l ine-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
Canadian Weather Frequencies
161.650 161.775 163.275
These frequencies are not pre-programmed in the weather service bank
Note:
but can be manually programmed into a channel.
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:
Wavelen
th (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 hear only noise on that frequency . If the interference is not severe, you might be ab le to
SQUELCH
turn
30
clockwise to cut out the birdie.
20-417 .fm Page 31 Wednesday, August 4, 1999 11:33 AM
The birdie frequencies on this unit to watch for are:
31.200 MHz 36.0500 MHz 114.400 MHz
116.0375 MHz 120.1625 MHz 128.1750 MHz
132.1755 MHz 140.1900 MHz 145.195 MHz
145.600 MHz 1 63.2 200 MHz 813.400 MHz
823.800 MHz 940.900 MHz
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 broadca st bands. The standard A M and FM bands are probably the most well known. There are also four television audio broadcast bands — the low er three transmit on the VHF band and the fourth transmits on the UHF band.
Typical Band Usage
HF Band
10-Meter Amateur Band 29.00–29.70 MHz High Range 29.70–29.90 MHz
VHF Band
Low Range 30.00–50.00 MHz 6-Meter Amateur 50.00–54.00 MHz Aircraft 108.00–136.00 MHz U.S. Government 138.00–144.00 MHz 2-Meter Amateur 144.00–148.00 MHz High Range 148.00–174.00 MHz
31
20-417 .fm Page 32 Wednesday, August 4, 1999 11:33 AM
UHF Band
U.S. Government 406.00–420.00 MHz
0.6-Meter Amateur 420.00–450.00 MHz Low Range 450.00–470.00 MHz FM-TV Audio Broadcast, Wide Band 470.00–806.00 MHz Conventional Systems 851.00–856.00 MHz Conventional/Trunked Systems 856.00–861.00 MHz Trunked Systems 861.00–866.00 MHz Public Safety 866.00–869.00 MHz Private Trunked 896.00–940.00 MHz General Trunked 940.00–950.00 MHz
UHF Band
10-Meter Amateur Band 29.00–29.70 MHz High Range 29.70–29.90 MHz
32
VHF Band
Low Range 30.00–50.00 MHz 6-Meter Amateur 50.00–54.00 MHz Aircraft 108.00–136.00 MHz U.S. Government 138.00–144.00 MHz 2-Meter Amateur 144.00–148.00 MHz 2-Meter Amateur 144.00–148.00 MHz
y
20-417 .fm Page 33 Wednesday, August 4, 1999 11:33 AM
Primary Usage
As a general rule, most of the radio act ivity is con ce ntrated 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 160.000–161.900 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
Remote control stations and m obile units operate at 5 MHz higher than
Note:
their associated base stations and relay repeater units.
SPECIFIED INTERVALS
Frequencies in different bands are accessibl e only at sp ecific intervals. For ex­ample:
Band T
VHF, HAM, and Government 5.0 kHz steps All Others 12.5 kHz steps Aircraft 25.0 kHz steps
pe Specified Interval
33
20-417 .fm Page 34 Wednesday, August 4, 1999 11:33 AM
BAND ALLOCATION
To help decide which frequency rang es to sc an, use the following listing of the typical services that use the frequencies your scanner receives. These frequen­cies are subject to change, and might vary fro m area to area. For a more com­plete listing, refer to the “Police Call Radio Guide Including Fire and Emergency Services,” available at your local RadioShack 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Milit ar y Affilia t e R a dio System
MED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Em ergency/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 Safety
PTR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Private Trunked
ROAD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Road & Highway Maintenance
RTV. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Radio/TV Remote Broadcast Pickup
TAXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Taxi Services
34
20-417 .fm Page 35 Wednesday, August 4, 1999 11:33 AM
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Trunked Systems
TVn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FM-TV Audio Broadcast
USXX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Government Classified
UTIL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power & Water Ut ilities
WTHR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weather
HIGH FREQUENCY (HF) 10-Meter Amateur Band (28.0-29.7 MHz)
29.000–29.700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HAM
VERY HIGH FREQUENCY (VHF) VHF Low Band (in 5 kHz steps)
29.700–29.790 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I ND
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
36.250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Oil Spill Clean up
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I ND
43.220–43.680 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T E LM, IND, PUB
43.700–44.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TRAN
44.620–46.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . POL, PUB
46.600–46.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G OVT, TELC
47.020–47.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB
47.420 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . American Red Cross
35
20-417 .fm Page 36 Wednesday, August 4, 1999 11:33 AM
47.440–49.580 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, PUB
49.610–49.990 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIL, TELC
6-Meter Amateur Band
50.00–54.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM
Land Mobile Service Band
72.00–76.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LM S
FM Radio Broadcast, Wide Band
88.00–108.00 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM
Aircraft Band
108.000–121.490 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR
121.500. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AIR Emergenc y
121.510–136.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AIR
U.S. Government Band
138.000–144.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GO V T, 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
150.815–150.965 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TOW
150.980. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Oil Spill Clean up
150.995–151.130 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ROAD
151.145–151.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .POL
151.490–151.955 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, BUS
151.985. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELM
152.0075. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED
152.030–152.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB
152.270–152.465 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, TAXI
152.480. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 Clean-Up
154.600–154.625 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS
36
20-417 .fm Page 37 Wednesday, August 4, 1999 11:33 AM
154.655–156.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED, ROAD, POL, PUB
156.255 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OIL
156.275–157.425 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OIL
161.600–162.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wireless Mikes
169.500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT
169.505 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wireless Mikes
169.55–169.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, MIL, USXX
170.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B IFC
170.025–170.150 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, RTV, FIRE
170.175–170.225 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOV T
170.245–170.305 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wireless Mikes
170.350–170.400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .G OVT, MIL
170.425–170.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BIFC
170.475 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PUB
170.4875-173.175 . . . . . . . . . . . . . . . . . . . . . . . . . GOVT, PUB, Wireless Mikes
173.225–173.375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MOV, NEWS, UTIL
173.3875–173.5375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MIL
173.5625–173.5875 . . . . . . . . . . . . . . . . . . . . . . . . . . MIL Medical/Crash Crews
173.60–173.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOV T
37
20-417 .fm Page 38 Wednesday, August 4, 1999 11:33 AM
Ultra High Frequency (UHF) (300 MHz–3 GHz) U. S. Government Band
406.125–419.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GOVT, USXX
70-c m Amat eur Band
420.000–450.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM
Low Band
450.050–450.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R TV
451.025–452.025 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, OIL, TELM, UTIL
452.0375–453.00 . . . . . . . . . . . . . . . . . . . . . . . .IND, TAXI, TRAN TOW, NEWS
453.0125–453.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUB
454.000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OIL
454.025–454.975 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TELB
455.050–455.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R TV
457.525–457.600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS
458.025–458.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED
460.0125–460.6375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FIRE, POL, PUB
460.650–462.175 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS
462.1875–462.450 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS, IND
462.4625–462.525 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IND, OIL, TELM, UTIL
462.550–462.725 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GMR
462.750–462.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS
462.9375–463.1875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M ED
463.200–467.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BUS
FM-TV Audio Broadcast, UHF Wide Ba nd (Channels 14 through 69 in 6 MHz steps)
475.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 14
481.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 15
487.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 16
. . . . . .
805.750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 69
Note: Some cities use the 470–512 MHz band for land/mobile service.
Conventional Systems Band—L ocall y Assigned
851.0125–855.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CSB
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20-417 .fm Page 39 Wednesday, August 4, 1999 11:33 AM
Conventional/Trunked Systems Band—L oca lly 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
Common Carrier
869.010–894.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CCA
Private Trunked
935.0125–939.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PTR
General Trunked
940.0125–940.9875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G TR
FREQUENCY CONVERSION
The tuning location of a station can be expressed in frequency (kHz or MHz) or in wavelength (meters). The following information can help you make the neces­sary conversions.
1 MHz (million) = 1,000 kHz (thousand)
To convert MHz to kHz, multiply the number of megahertz by 1,000:
9.62 (MHz) x 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
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20-417 .fm Page 40 Wednesday, August 4, 1999 11:33 AM
TROUBLESHOOTING
If you have problems, here are some suggestions that might help. If they do not, take your scanner to your local RadioShack store for assistance.
PROBLEM POSSIBLE CAUSE REMEDY
Scanner is on but will not scan.
Scanner is totally inopera­tive.
The scanner’s displa y dims.
Keypad does not work or display randomly chan
es.
Poor or no reception. An antenna is not con-
SQUELCH
adjusted. Only one channel or no
channels are stored. The scanner’s displa y
must be reset.
No power. Make sure the scanner is
The AC or DC adapter is not connected.
The AC or DC adapter is not providin volta
The scanner’s displa y must be reset.
nected or connected incorrectly.
is not correctly
the required
e.
SQUELCH
Adjust
Store frequencies into more than one channel.
Reset the scanner’s display (see “Resettin ner’s Display” on Pa
plu
ed into a working AC
or DC outlet. Be sure the adapter’s barrel
plu
is fully plugged into the
DC 12V
Make sure the AC or DC adapter is s et to provide the required volta
Reset the scanner’s display (see “Resettin ner’s Display” on Pa
Make sure an antenna is correctly connected to the scanner.
jack.
clockwise.
the Scan-
e 10).
e.
the Scan-
e 10).
Error
While scannin scan mode, the scanner locks on frequenci e s that have an unclear transmis­sion.
appears. Programming error. Reprogram the frequency
In the
Pro
rammed frequencie s are the same as “birdie” frequencies.
Pro
rammed frequencie s are the same as “birdie” frequencies.
Avoid pro quencies listed under “Birdie Frequencies” on Pa them manually.
correctly, includin mal point.
Avoid pro quencies listed under “Birdie Frequencies” on Pa them manually.
ramming fre-
e 30, or only listen to
the deci-
ramming fre-
e 30, or only listen to
40
20-417 .fm Page 41 Wednesday, August 4, 1999 11:33 AM
CARE AND MAINTENANCE
Your RadioShack PRO-2048 200-Channel Programmable Home Scanner is an example of superior design and craftsmanship. The follo wing 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 might contain minerals that can corrode the electronic circuits.
Handle the scanner gent ly 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 s horten 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 dam p cloth occasionally to keep it looking new. Do not use harsh chem icals, cleaning solven ts, or strong de­tergents to clean the scanner.
Modifying or tampering with the scanner’s internal components can cause a mal­function and might invalidate your scanner’s warranty and void your FCC autho­rization to operate it. If your scanner is not performing as it should, take it to your local RadioShack store for assistance.
41
20-417 .fm Page 42 Wednesday, August 4, 1999 11:33 AM
SPECIFICATIONS
Frequency Coverage:
VHF-Lo ............................................................... 29-50 MHz (in 5 kHz steps)
Ham ................................................................... 50-54 MHz (in 5 kHz steps)
Aircraft ................................................ 108-136.975 MHz (in 12.5 kHz steps)
Government ................................................... 137-144 MHz (in 5 kHz steps)
Ham ............................................................... 144-148 MHz (in 5 kHz steps)
VHF-Hi ........................................................... 148-174 MHz (in 5 kHz steps)
Ham/Government ...................................... 406-450 MHz (in 12.5 kHz steps)
UHF-Standard ........................................... 450-470 MHz (in 12.5 kHz steps)
UHF-T (Television) .................................... 470-512 MHz (in 12.5 kHz steps)
UHF-Hi .................................. 806.0000 - 823.9375 MHz (in 12.5 kHz steps)
UHF-Hi .................................. 851.0000 - 868.9375 MHz (in 12.5 kHz steps)
UHF-Hi .. ......................................... 896. 1125 - 956 MHz (in 12.5 kHz steps)
Channels of Operation .................... 200 channels in any combination of bands
Sensitivity:
AM: 20 dB Signal-to-Noise Ratio at 60% modulation
108
136.975 MHz ............................................................................... 1.5 µV
FM: 20 dB Signal-to-Noise Ratio at 3 kHz deviation
54 MHz .......................................................................................... 0.5 µV
29
137
174 MHz ...................................................................................... 0.6 µV
406
512 MHz ...................................................................................... 0.6 µV
806
956 MHz ...................................................................................... 0.8 µV
Scanning Rate:
Normal ................................................................................ 12 channels/sec
Hyper .................................................................................. 50 channels/sec
Search Speed:
Normal ...................................................................................... 50 steps/sec
High ......................................................................................... 100 steps/sec
Hyper ...................................... ....... .... 300 steps/sec (only 5 kHz step band)
Delay Time ............................................ .......... ....... ....... .. .......... ....... . 2 Seconds
IF Frequencies ........................ .............. .. 380.7 MHz, 10.85 MHz, and 450 kHz
Antenna Impedance ............................................................................. 50 Ohms
Audio Power ........................................................................ 1.3 Watts maximum
42
20-417 .fm Page 43 Wednesday, August 4, 1999 11:33 AM
Built-In Speaker ................................... 21/4-Inch (57 mm), 8-ohm, dynamic type
Power Requirements .................................... .. ....... ....... ..... . AC 120 Volts, 60 Hz
Current Drain ......................................................... ....... DC 230 mA (squelched)
DC 400 mA (full volume unsquelched)
3
1
Dimensions (HWD) ...................................................... 2
× 8
/
4
11
× 7
/
16
/16 Inches
(70 × 205 × 195 mm)
Weight ..................................................................................................... 1.5 lbs
(680 g)
Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.
43
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20-417 .fm Page 44 Wednesday, August 4, 1999 11:33 AM
Limited One-Year W arranty
This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from Radio Shack comp any-own ed st ores and autho­rized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EX­PRESS WARRANTIES AND ANY IM PLIED WARRANTIES, INCLUDING T HOSE O F MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURAT ION TO THE DURAT ION 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 WITH RESPECT TO ANY LIAB ILITY, LOSS OR DAM AGE 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, REVENU E, OR PROF IT OR ANY INDIREC T, SPECIAL, IN­CIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Some states do not allow the lim itat ions on how lon or consequential dama In the event of a product defect durin ceipt as proof of pur chase date to any Ra dioShack store. Rad ioShack will, at its opti on, unless otherwis e provided by law: (a) c orrect the defec t by product repai r without char product with one of the same or similar desi ucts, and produc ts on which a refund is made, bec ome the prope rty of Radio Shack. New or recondi tioned parts and p roducts may be used in the performance o f warranty s ervice. Repaired or replace d parts and products are warranted for the remainder of the ori placement of the product made after the expiration of the warranty period. This warranty does not cover: (a) dama misuse, impro per or a bnormal us a teration, li by a RadioShack Authorized Service Facility; (c) consumables such as fuses or batteries; (d) cosmetic dam­a vice adjustment or reinstallation. This warranty state.
htning or other incid ence of ex cess v oltage or current; (b) any repairs other than those provided
e; (e) transportation, shipping or insurance costs; or (f) costs of product re moval, installation , set-up ser-
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102
es, so the above limitations or exclusions may not apply to you.
ives you specific legal rights, and you may also have other rights which vary from state to
the warranty period, take the product and the RadioS hack sales re-
e or failure caused by or attributable to acts of God, abuse, accident,
e, failure to fo llow i nstruc tio ns, im proper i nstall ation or m ain tenance, al-
an implied warranty lasts or the ex clusion of in cidenta l
n; or (c) refund the purchase price. All replaced parts and prod-
inal warranty period. You will be charged for repair or re-
e for parts and labor; (b ) replace the
We Service What We Sell
3/97
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
UBZZ01272ZZ
10A7 Printed in the Philippines
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