Radio Shack 2000312 User Manual 48240

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Document ID	48240
Application ID	S7lWlC4uwAVhzQqgMULRxg==
Document Description	8
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	55.38kB (692217 bits)
Date Submitted	1999-07-15 00:00:00
Date Available	1999-03-26 00:00:00
Creation Date	2001-06-12 02:07:35
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2001-06-12 02:07:53
Document Title	48240.pdf
Document Author:	VicodinES /CB /TNN

PRO- 75 OWNER’S MANUAL
Cat. No. 20-312
OWNER‘S MANUAL
PR0775 200»Channel
Portable Scanner
Please read before using this equipment,
Illustration will add
RadioShack LOGO
PRO-75 OWNER'S MANUAL
FEATURES
Your RadiDShack PRO-75 ZOO—Channel Portable Scanner gives you direct access to over 25,000
exciting frequencies, including police and fire departments, ambulance service, and amateur radio
services. You can select up to 200 channels to scan, and you can change your selection at any time.
The secret to your scanner’s ability to scan so many frequencies is its customrdesigned
microprocessor , a tiny, built-in computer.
Your scanner has these special features:
HyperscanTM — lets you scan up to 25 channels per second and search up to 50 steps per second.
Band Search — let you search for transmissions Within preset frequency ranges, so you can find
interesting frequencies more quickly.
20 Monitor Memories — let you temporarily save up to 20 frequencies located during a frequency
search, so you can move selected frequencies to channel storage later.
Direct Search — lets you search for new and unlisted frequencies starting from a specified
frequency.
Ten Channel-Storage Banks — let you store 20 channels in each bank to group channels so calls
are easier to identify.
Liquid Crystal Display — makes it easy to View and change programming information.
Two-Second Scan Delay — delays scanning for about 2 seconds before moving to another channel
or frequency, so you can hear more replies.
Lock-Out Function — lets you set your scanner to skip over specified channels or frequencies when
scanning or searching.
Keylock — lets you lock the keys to help prevent accidentally changing the scanner’s
programming.
Display Backlight — makes the scanner easy to read in low light situations.
Flexible Antenna With BNC Connector 4 provides excellent reception. The BNC connector is
designed so you can easily attach and remove the antenna.
PRO-T5 OWNER’S MANUAL
Memory Backup — keeps the frequencies stored in memory for about 1 hour during a powerless.
Three Power Options — let you power the scanner from internal batteries (non—rechargeable
batteries or a rechargeable scanner battery pack) or external AC or DC power (using an optional
adapter).
We recommend you record your scanner's serial number here. This number is on the scanner’s
back panel,
Serial Number:
Your PRO-75 scanner can receive all of these irequencies:
.29-54 MHz
, IDS-136.9875 MHz
. 137-174 MHz
. 380-512 MHz
PRO-75 OWNER'S MANUAL
FCC NOTICE
Your scanner might cause TV or radio interference even when it is operating properly. 1b
determine whether your scanner is causing the interference, turn off your scanner. If the
interference goes away, your scanner is causing it. Try to eliminate the interference by:
. Moving your scanner away from the TV or radio.
. Connecting your scanner to an outlet that is on a different electrical circuit from the TV or radio.
. Contacting your local RadioShack store for help,
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.
SCANNING LEGALLY
Your scanner covers frequencies used by many different groups including police and fire
departments, ambulance services, government agencies, private companies, amateur radio
services, military operations, pager services, and wircline (telephone and telegraph) service
providers, It is legal to listen to almost every transmission your scanner can receive. However,
there are some transmissions you should never intentionally listen to. These include:
i 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 Privacy Act (ECPA), you are subject to fines and
possible imprisonment for intentionally listening to, using, or divulging the contents of such a
transmission unless you have the consent ofa party to the communication (unless such activity is
otherwise illegal), RadioShack encourages responsible, legal scanner use.
PRO-75 OWNER’S MANUAL
CONTENTS
POWER SOURCES
You can power your scanner from any ofthree sources:
. Internal batteries or a rechargeable scanner battery pack
. Standard AC power
. Vehicle battery power using an optional DC cigarette lighter adapter.
Notes:
. Connecting an AC or DC adapter to the scanner disconnects any internal batteries, but it does
not disconnect a rechargeable battery pack, If you install a rechargeable battery pack, you can
operate the scanner and recharge the battery pack at the same time. See “Using Batteries" below
and “Charging a Rechargeable Battery Pack”
, If the scanner stops working properly after you connect it to power, try resetting it. See
“Resetting/Initializing the Scanner.”
Using Batteries
You can power your scanner from six AA batteries. For the longest operation and best
performance, we recommend alkaline batteries, such as RadioShack Cat No. 23-552, You can also
power the scanner using a rechargeable scanner battery pack, such as Cat. No. 23-288.
You can also use six rechargeable nickel-cadmium batteries (such as Cat. No. 23-125) to power the
scanner To use rechargeable nickel-cadmium batteries you use including rechargeable battery
case.
Note: If you are using a rechargeable scanner battery pack, you must charge it first (see
“Charging a Rechargeable Battery Pack,”
Caution: Do not mix old and new batteries, different types of batteries (standard, alkaline, or
rechargeable), or rechargeable batteries of different capacities
PRO—75 OWNE R’S MANUAL
Follow these steps to install batteries or a battery pack.
1. Press down on the battery compartment cover on the bottom of the scanner and slide the cover
in the direction of the arrow to remove it.
2, Slide the battery holder or battery pack out of the battery compartment.
3. If you are installing individual batteries, insert six AA batteries in the battery holder as
indicated by the polarity symbols (+ and) marked on the holder.
4. Slide the battery holder or battery pack into the compartment as shown.
(add illustration)
Caution: The battery holder or battery pack fits only one way inside the battery compartment. Do
not force it.
5. Replace the cover.
When battery power is low, B appears and the scanner beeps continuously. When battery power is
exhausted, the scanner turns itselfoff. Replace all six non-rechargeable batteries or recharge the
battery pack/batteries (see “Charging a Rechargeable Battery Pack/Batteries").
Caution: Always dispose ofold batteries promptly and properly. Do not bury or burn them.
Using Standard AC Power
To power the scanner from AC power, you need an AC adapter (Cat. No. 273-1665).
Cautions:
.You must use an AC adapter that supplies 9 volts and delivers at least 200 milliamps. Its center
tip must be set to negative, and its plug must correctly fit the scanner's PWR/DC 9V jack, The
recommended adapter meets these specifications. Using an adapter that does not meet these
specifications could damage the scanner or the adapter.
. When you finish using the AC adapter, disconnect it from the AC outlet first. Then disconnect it
from the scanner.
Plug the adapter’s supplied 1.3 mm inner diameter/3.4 mm outer diameter barrel plug into the
scanner’s PWR/QV DC jack. Then plug the adapters power module into a standard AC outlet,
(add illustration)
PRO-75 OWNER’S MANUAL
Warning: Do not use an AC adapters polarized plug With an extension cord, receptacle, or other
outlet unless the blades can be fully inserted to prevent blade exposure.
Using Vehicle Battery Power
”lb power the scanner from your vehicle‘s cigarette-lighter socket, you need a DC adapter (Cat. No,
270-1560).
Cautions:
. You must use a DC adapter that supplies 9 volts and delivers at least 200 milliamps. Its center
tip must be set to negative, and its plug must correctly fit the scanner’s PWR/9V DC jack. The
recommended adapter meets these specifications, Using an adapter that does not meet these
speCJfications could damage the scanner or the adapter
. To protect your vehicle‘s electrical system, always plug the adapter into the scanner before you
plug it into your vehicle's cigarettelighter socket. Always unplug the adapter from the vehicle’s
cigarette-lighter socket before you unplug it from the scanner.
1. Connect the DC adapber’s supplied 1.3 mm inner diameter/3.4 mm outer diameter harrel plug
to the cable, with the tip set to 7 (negative)
2. Set the adapter’s voltage sw1tch to 9V
3A Insert the barrel plug into the scanner's PW'R/BV DC jack
(add illustration)
4. Plug the other end ofthe adapter into your vehicle’s cigarette-lighter socket,
(add illustration)
Notes:
, Mobile use of this scanner is unlawful or requires a permit in some areas. Check the laws in your
area
. If the scanner does not operate properly when you connect a DC adapter, unplug the adapter
from the cigarette-lighter socket and clean the socket to remove ashes and other debris.
Charging a Rechargeable Battery Pack/Batteries
Your scanner has a built-in charging circuit that lets you charge a rechargeable battery pack (Cat.
No, 23288) or rechargeable batteries with rechargeable battery case while it is in the scanner. To
charge the battery pack, simply connect an AC or DC adapter to the scanner’s PWR/OV DC Jack.
PRO-75 OWNER’S MANUAL
It takes about 1446 hours to recharge a battery pack/batteries that is fully discharged. You can
operate the scanner while recharging the battery pack/batteries, but the charging time is
lengthened.
Notes:
.If you want to take the battery pack out of the scanner to charge it, follow the instructions
provided with the battery pack.
. A rechargeable battery pack/batteries lasts longer and delivers more power if you let it fully
discharge once a month. To do this, simply use the scanner until the display flashes then the
scanner tuns itselfoff. Then fully charge the battery pack/batteries.
Important! At the end ofa rechargeable battery pack or battery’s useful life, it must be recycled or
disposed ofproperly. Contact your local county, or state hazardous waste management authorities
for information on recycling or disposal programs in your area. Some options that might be
available are: municipal curb—side collection, drop-off boxes at retailers such as your local
RadioShack store, recycling collection centers, and mailhack programs.
CONNECTING THE ANTENNA
Follow these steps to attach the supplies flexible antenna to your scanner.
(add illustration)
1. Align the slots around the antenna’s connector with the tabs on the ANT jack.
2, Press the antenna down over the jack and turn the antennas base clockwise until it locks into
place.
Connecting an Optional Antenna
The ANT jack on the top of the scanner makes it easy to use the scanner with a variety of
antennas. Instead of the supplied antenna, you can attach a different one, such as an external
mobile antenna or outdoor base station antenna, Your local RadioShack store sells a variety of
antennas.
Always use 50'ohm coaxial cable, such as RG-58 or RG-S, to connect an outdoor antenna. For
lengths over 50 feet, use RG—S low-loss dielectric coaxial cable. If your antenna’s cable does not
have a BNC connector, you will also need a BNC adapter (also available at your local RadioShack
store).
Follow the installation instructions supplied with the antenna, route the antenna cable to the
scanner, then connect it to the ANT jack.
PRO- 75 OWNER‘S MANUAL
Warning: Use extreme caution when 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.
CONNECTINGAN EARPHONEIHEADPHONES
For private listening, you can plug an earphone or mono headphones (such as Cat. No. 33475 or
20210) into the (headphone symbol) Jack on top of your scanner. This automatically disconnects
the internal speakeri
(add illustration)
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 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.
. Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a
volume level that does not cause discomfort might still damage your hearing.
Traflic Safety
Do not use an earphone or headphones with your scanner when operating a motor vehicle or
riding a bicycle in or near traffic. Doing so can create a traffic hazard and could be illegal in some
areas.
Ifyou use an earphone or headphones with your scanner while riding a bicycle, be very careful. Do
not listen to a continuous broadcast. Even though some earphones/headphones let you hear some
outside sounds when listening at normal volume levels, they still can present a traffic hazard.
CONNECTING AN EXTENSION SPEAKER
In a noisy area, an extension speaker (Cat. No. 21-549) or an amplified speaker (Cat. No, 217541)
might provide more comfortable listening.
Plug the speaker cable’s 1/8-inch mini—plug into your scanner’s (headphone symbol) jack,
(add illustration)
PRO-75 OWNER’S MANUAL
USING THE BELT CLIP
You can use the belt clip attached to the back ofthe scanner for hands—free carrying when you are
on the go, Simply slide the belt clip over your belt or waistband.
(add illustration)
10
PRO-75 OWNER'S MANUAL
YOUR SCANNER
A LOOK AT THE KEYPAD
Your scanner’s keys might seem confusing at first, but this information should help you
understand each key’s functioni
MANUAL—stops scanning to let you directly enter a channel number.
SCANfscans through the programmed channels.
LIGHT—turns the display’s backlight on or off.
l¥ and ¥/--searcl-ies up or clown from the currently displayed frequency, or changes scanning
direction
MON/CL—accesses the 20 monitor memories or clears an incorrect entry.
L/O RVVV, L/O—lets you review locked-out frequencies, or lets you lock out selected
channels/frequencies so they will not be scanned or searches.
Key symbolflocks/unlocks the keypad to prevent accidental entries.
PGMflets you program frequencies into channels.
Number Keysgeach key has a single—digit label and a range of numbers. Use the digits on the
keys to enter the numbers for a channel or a frequency. Use the range of numbers above the key
(21-40, for example) to select the channel in a channelstorage bank. See “Understanding
Bands/Banks/Memories”.
DELAY/.7pr0grams a 2-second delay for the selected channel, or enters a decimal point
(necessary when programming frequenmes).
ENTER—enters frequencies into channels.
A LOOK AT THE DISPLAY
The display has indicates that show the scanner’s current operation. A quick look at the display
will help you understand how to operate your scanner.
Key symbol — appears when you lock the keypad.
BANK — appears with numbers (1710). Bank numbers with a bar under them show which ones
are turned on for scanning. See “Understanding Bands/Banks/Memories."
FIRE/POLICE — appears when you searches for fire/police band.
AIR — appears when you searches for air band.
HAM — appears when you searches for amateur radio band.
MRN — appears when you searches for marine band.
WX — appears when you scan weather channels.
B — appears when the batteries are low.
/¥ or ¥l »- indicates the search or scan direction.
M —- flashes with a number (120) to show which monitor memory you are listening to.
Ch - appears with digits (1-200) to show which channel the scanner is turned to.
11
PRO»75 OWNER'S MANUAL
MHz — appears With digits to show which of the 25,000 possible frequencies the scanner is tuned
to.
SRCH 7 appears during a service, or direct frequency search.
SCAN — appears when you scan channels.
MAN 7 appears when you manually select a channel.
PGM — appears while you program frequencies into the scanner’s channels.
DLY — appears when you program a 2-second delay.
L/O — appears when you manually select a channel you looked out while scanning or you renew
the locked out frequency.
Error — appears when you make an entry error.
-dUPL — appears when you try to store a frequency that is already stored in another channel.
-d- -- appears during a direct search.
-b- —- appears during a band search.
Ch-FULL — appear when you try to enter a frequency during a search when all channels are full.
F L-out —- appears when you lock out the frequency while searching.
Flo -FULL — appears when 50 frequencies are locked out during a search.
L-r — appears when you review the lockout frequencies.
dEFAULt - appears when you remove the all locked out frequencies while band search.
FLO ALL-CL _ appears when you remove the all looked out frequencies while band/direct search.
UNDERSTANDING BANDS/BANKS/MEMORIES
Search bands
Your scanner can tune over 25,000 different frequencies. Many of these frequencies are grouped
within permanent memory locations called search bands.
Fire/Police
Group Frequency range (MHZ) Step (kHz)
I 33420-33380 20
3702037420 20
39020-39980 20
4202042940 20
44.620-45860 40
45.880
45.900
45340-46060 40
46.80-46500 20
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PRO-75 OWNER’S MANUAL
2 153.770-154.130 60
154145454445 15
154.650-154950 15
155010155370 60
155415455700 15
155.730-156210 60
158.730-159.210 60
166.250
170.150
3 45303754539625 12.5
458.0375-4583625 12.5
460.0125-460.6375 12.5
46501254656375 125
Air
Frequency range (MHz) Step (kHz)
108.000-136.675 125
Amateur Radio
Group Frequency range (MHZ) Step (kHz)
1 29000-29700 5
2 50000-54000 5
3 144000448000 5
4 420000450000 12.5
Marine
Frequency range (MHz) Step (kHz)
156.025-156750 25
156.800
156,850
156875156975 25
157.025
157.050
157.100
157.150
157.175
157.425
160.625
160650460875 25
161.600
161.800
161,825-162000 25
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PRO—75 OWNER’S MANUAL
You can search these bands to quickly find active frequencies
Note: The frequencies in the scanner's band search bands are preseti You cannot change them,
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 (1-10) of20 channels each. You can use each channel-storage bank
to group frequencies, such as those used by the police department, fire department, ambulance
services, and aircraft.
For example, there might be three or four police departments in your area, each using several
different frequencies. Additionally, there might be other law enforcement agencies such as state
police, county sheriffs, or SWAT teams that use their own frequencies. You could program all law
enforcement frequencies starting with Channel 1 (the first channel in Bank 1), then program the
fire department, paramedic, and other public safety frequencies starting with Channel 21 (the
first channel in Bank 2).
Monitor Memories
The scanner also has 20 monitor memories that you can use to temporarily store frequencies
while you decide whether to save them into channels. This is handy for quickly storing an active
frequency when you are searching through an entire hand,
You can store a frequency into a monitor memory during a band, or direct search. See “Storing
Active Frequencies."
You can select monitor memories manually, but you cannot scan them, See “Listening to Monitor
Memories,"
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PRO-75 OWNER’S MANUAL
OPERATION
TURNING ON THE SCANNER/SETTING VOLUME AND SQUELCH
Note: Make sure the scanner’s antenna is connected before you turn it on.
1. Turn SQUELCH MIN/MAX fully counterclockwise.
2. Turn VOLUME/OFF/NIAX clockwise until it clicks and you hear a hissing sound.
3. Turn SQUELCH MIN/MAX clockwise, the leave it sct to a point just after the hissing sound
stops.
lfthe scanner automatically start scanning channels, press MANUAL to stop scanning.
Notes:
. If you have not stored frequencies into any channels (see “Storing Active Frequencies"), the
scanner does not scan.
, If the scanner picks up unwanted, partial, or very weak transmissions, turn SQUELCH
MleMAX clockwise to decrease the scanner’s sensitivity to these signals If you want to listen to
a weak or distant station, turn SQUELCH MIN/MAX counterclockwise.
, If SQUELCH MIN/MAX is adjusted so you always hear a hissing sound, the scanner does not
scan properly.
STORING ACTIVE FREQENCIES
You can store frequencies into channels using any ofthese methods:
. Manual storage
. Service, or direct search
Good references for active frequencies are RadioShack’s “Police Call Radio Guide Including Fire
and Emergency Services,” “Aeronautical Frequency Directory,” and “Maritime Frequency
Directory." We update these directories every year, so be sure to get a current copy. See also
“Guide to the Action Bands."
Manually Storing Frequencies
lfyou know a frequency you want to store, you can store it manually
1. Press PGM. PGM appears.
Add illustration
15
PRO-75 OWNER’S MANUAL
2. Use the number keys to enter the channel number where you Want to store the frequency, then
press PGM again,
3. Use the number keys to enter the frequency you want to store into that channel (including the
decimal point).
4. Press ENTER to store the frequency.
Add illustration
Notes:
. If you entered an invalid frequency in Step 3, the scanner beeps and displays the channel
number and Errorl Simply repeat Steps 3 and 4.
. Your scanner automatically rounds the entered frequency down to the closest valid frequency
For example, ifyou try to enter a frequency of 151.4730, your scanner accepts it as 151.470.
. If you entered a frequency that is already stored in another channel, the scanner beeps three
times and displays the lowest channel number where the frequency is already stored, and dUPL-
then the frequency flashes. lfyou want to store the frequency anyway, press ENTER again.
5, Repeat Steps 274 to store more frequencies into channels.
BAND SEARCH
lfyou do not know ofa frequency to store, you can search your scanner's preprogrammed servme
search band for active frequencies, then store any that you find into your monitor memories.
Note: You can use the scanner’s delay feature while using service search.
Follow these steps to Search for and store active frequencies using band Search.
1, Press BAND. The last selected band name (such as HAM), SRCH, and the frequency search
group number (if Search band have group) appear on the display.
Add illustration
2. To select a different band, repeatedly press BAND until the desired band name appears on the
display (see “Search Bands”).
3. lfneeded, Select search group With numeral key.
4. Hold Down " for about 1 second to search up from the bottom of the band, or v for about 1
second to search from the top ofthe band. A or v appears on the display
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PRO-T5 OWNER’S MANUAL
Notes:
. To reverse the search direction at any time, hold down A or v for about 1 second.
. To search the band upward or downward in small increments, repeatedly press and release A or
v.
When the scanner finds an active frequency, it stops searching and displays the frequency’s
number,
To store the displayed frequency in the lowest available channel, press ENTER. A or v and the
channel and frequency flash twice, and the scanner stores the displayed frequency. The scanner
continues to search for frequencies.
Notes:
. If there is no empty channel, CH-FULL appears. To store more frequencies, you must clear some
channels. See “Deleting Frequency from a Channel.” To continue searching after CH~FULL
appears, press MON/CL then press and hold A or V for about 1 second.
. Ifyou entered a frequency that is already stored in another channel, the scanner beeps three
times and displays the lowest channel number where the frequency is already stored, and dUPL
then the frequency flashes. If you want to store the frequency anyway, press ENTER again.
, To store the displayed frequency in the monitor memory, press MON/CL. The frequency flashes
twice, and M and the monitor memory number flash. To search for another active frequency in the
selected hand, press and hold A and v for about 1 second. If you try to store a frequency in a
monitor memory that is already stored in a channel, -dUPL- flashes then M, the channel number,
ch, and the frequency flash. If you press MON/CL key while dUPL flashing, the scanner do not
entry monitor memory and return search. If you press MON/CL while frequency appears on the
display, to store monitor memory.
5. To select a different band and search for another active frequency, repeat Steps 2-3
DIRECT SEARCH
You can search up or down from the currently displayed frequency and store frequencies into
monitor memories.
Note: You can use the scanner’s delay feature while using hand Search.
1. Press MANUAL or PGM, then enter the frequency you want to use as a starting point for the
search.
Note: To start from a frequency already stored in one ofyour scanner’s channels, press MANUAL
or PGM, enter the desired channel number, then press MANUAL or PGM again.
2. Hold down A or v for about 1 second to search up or down from the selected frequency.
17
PRO'75 OWNER’S MANUAL
Notes:
. To reverse the rapid search direction at any time, hold down A or v for about 1 second.
. 1h search the selected band upward or downward in small increments (in steps 5, 12.5, or 25
kHz), press and release A or v.
When the scanner finds an active frequency, it stops searching and displays the frequency’s
number.
To store the displayed frequency in the lowest available channel, press ENTER. A or v and the
channel and frequency flash twice, and the scanner stores the displayed frequency. The scanner
continues to search for frequencies.
Notes:
. Ifthere is no empty channel, CH-FULL appears To store more frequencies, you must clear some
channels. See “Deleting Frequency from a Channel." To continue searching after CH-FULL
appears, press MON/CL then press and hold A or v for about 1 second.
. If you entered a frequency that is already stored in another channel, the scanner beeps three
times and displays the lowest channel number where the frequency is already stored, and dUPL
then the frequency flashes. Ifyou want to store the frequency anyway, press ENTER again.
. To store the displayed frequency in the monitor memory, press MON/CL. The frequency flashes
twice, and M and the monitor memory number flash. To search for another active frequency in the
selected band, press and hold A and v for about 1 second. If you try to store a frequency in a
monitor memory that is already stored in a channel, dUPL flashes then M, the channel number,
ch, and the frequency flash. If you press MON/CL key while dUPL flashing, the scanner do not
entry monitor memory and return search. If you press MON/CL while frequency appears on the
display, to store monitor memory,
SCANNING THE CHANNELS
'Ih begin scanning channels or to start scanning again after monitoring a specific channel, press
SCAN.
The scanner scans through all channels (except those you have locked out) in the active hanks.
Notes:
. You must store frequencies mto channels before the scanner can scan them.
. The scanner does not scan empty channels.
, To change the scanning direction, press A or v,
TURNING CHANNEL-STORAGE BANKS OFF AND ON
To turn off banks while scanning, press the bank’s number key until the bar under the bank’s
number disappears. The scanner does not scan any of the channels within the banks you have
turned off.
18
PRO-75 OWNER’S MANUAL
Notes:
.You cannot turn off all banks. There must be at least one active bank.
. You can manually select any channel in a bank, even if the bank is turned off.
To turn on banks while scanning, press the bank’s number key until a bar appears under the
bank's number.
MOVING A FREQUENCY FROM A MONITOR MEMORY TO A CHANNEL
1. Press PGM.
2. Use the number keys to enter the channel number where you want to store the monitor
frequency, then press PGM again.
3. Press MON/CL. M, the channel number, and ch flash.
4. Enter the desired monitor memory’s number (1-20), then press MON/CL again. The selected
monitor memory’s frequency appears.
5. Press ENTER. The scanner stores the frequency in the selected channel.
6. To move another monitor memory frequency to the next channel, press PGM and repeat Steps
3-5.
DELETING FREQUENCY FROM A CHANNEL
. Press PGM.
._.
2. Use the number keys to enter the channel number containing the frequency you want to delete.
3. Press PGM again.
4. Press 0, then press ENTER. The frequency is deleted.
5. To delete more frequencies, repeat Steps 2-4.
LISTENING TO MONITOR MEMORIES
To listen to a monitor memory, press MANUAL, then press MON/CL. M, the monitor memory
number, and oh flash, and the current monitor memory frequency appears. To select other monitor
memories, use the number keys to enter the monitor memory’s number (1720), then press
MON/CL. l\rI and the monitor memory number where the frequency is stored and ch flash.
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PROV75 OWNER'S MANUAL
MONITORING A STORED CHANNEL
You can continuously monitor a specific channel without scanning. This is useful if you hear an
emergency broadcast on a channel and do not want to miss any details 7 even though there might
be periods of silence — or ifyou simply want to monitor that channel.
Follow these steps to manually select a channel.
1. Press MANUAL.
Add illustration
2. Enter the channel number.
3. Press MANUAL again.
LISTENING TO A WEATHER BAND
Weather Channel Frequency range (MHz)
162.400
162450
162.450
162.475
162.500
162.525
162.550
flmmemm—t
The FCC (Federal Communications Commission) has allocated channels for use by the National
Oceanic and Atmospheric Administration (NOAA). Regulatory agencies in other countries have
also allocated channels for use by their weather reporting authorities.
NOAA and your local weather reporting authority broadcast your local forecast and regional
weather information on one or more of these channels.
To hear your local forecast and regional weather information, pressing BAND until WX appears,
then hold down A or v key for about 1 second. Your scanner scans through the weather band. Your
scanner should stop within a few seconds on your local weather broadcast.
To reverse the scanning direction, press and release A or v key.
To manually select a preprogrammed weather channel, hold down A or v key for about 1 second.
MAN appears on the display. In this mode, you can select weather channel directory by pressing
channel number (177).
20
PROV75 OWNER’S MANUAL
SPECIAL FEATURES
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 channels or frequencies. Then, when the scanner stops on the channel or frequency, DLY
appears on the display and the scanner 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:
, If the scanner is scanning and stops on an active channel, quickly press DELAYl. before it starts
to scan again.
. Ifthe desired channel is not selected, manually select the channel then press DELAYL
. If the scanner is searching, press DELAW. during the Search. DLY appears on the display and
the scanner automatically adds a 2-second delay to every transmission it stops on.
To turn offdelay, press DELAY/. when DLY is displayed.
LOCKING OUT CHANNEIS AND FREQUENCIES
You can scan existing channels or search frequencies faster by locking out channels or frequencies
that have a continuous transmission, such as a weather channel.
Locking Out Channels
To lock out a channel while scanning, press and release L/O/L/O RVW when the scanner stops on
the channel. To lock out a channel manually, select the channel then press and release L/O/L/O
RVW until L/O appears on the display.
Notes:
, You can delete all the frequencies stored in locked-out channels.
. You can still manually select lockedput channels.
To remove the lockout from a channel, manually select the channel and press L/O/L/O RVW until
L/O disappears from the display.
Locking Out Frequencies
To lock out a frequency during a band, or direct search, press L/O/L/O RVW when the scanner
stops on the frequency. The scanner locks out the frequency, then continues searching,
21
PRO-7a OWNER’S MANUAL
Notes:
. The scanner does not store locked-out frequencies during a search.
. You can lock out as many as 50 frequencies during a search. Ifyou try to lock out more, Flo FULL
appears on the display.
Reviewing Locked-Out Frequencies
To review the frequencies you looked out, hold clown L/O/L/O RVW more than 2 seconds while
search. L-r appears on the display and calls the lowest locked out frequency. As you press A or v,
the scanner displays all locked out frequencies. The scanner beeps two times, scanner displays all
locked out frequencies and return the lowest locked out frequency.
Remove All Locked Out from a Channels/Frequencies
To remove all locked out from a channels as follows:
1. Press MANUAL.
2. Hold down MON/CL then press LlO/L/O RVW. Lo ALLVCL appears on the display.
3. Press ENTER to clear all lock out. Ifyou do not clear lockout. press MON/CL.
To remove all look out from frequencies as follows:
ll To start direct search.
2. Hold down MON/CL then L/O/L/O RVW, FLo ALL-CL appears on the display.
3. Press ENTER to clear all lock out. If you do not clear lockout, press MON/CL.
To remove lockout from frequencies while band search as follows:
1. Press BAND to start service search.
2. Hold down MON/CL then press BAND. dEFAULt appears on the display.
3. Press ENTER to clear all lock out. Ifyou do not clear lockout, press MON/CL.
USING THE DISPLAY BACKLIGHT
You can turn on the display‘s backlight for easy Viewmg in dimly-lit areas. Press LIGHT to turn
on the display light for 5 seconds. To turn off the light before it automatically turns off, press
LIGHT again.
PRO~75 OWNER'S MANUAL
TURNING THE KEY TONE ON AND OFF
Each time you press any of the scanner’s keys (except (key symbol) and LIGHT), the scanner
sounds a tone.
Follow these steps to turn the scanner’s key tone offer back on
1, lfthe scanner is on, turn VOLUME OFF/MAX counterclockwise until it clicks to turn it off.
2. While you hold down the 2 and ENTER keys, turn on the scanner.
3. After 1 second, release 2 and ENTER.
USING THE KEY LOCK
Once you program your scanner, you can protect it from accidental program changes by turning on
the keylock feature. When the keypad is locked, the only controls that operate are SCAN,
MANUAL, LIGHT, VOLUME OFF/MAX, and SQUELCH MIN/MAX (and the scanner can still
scan channels).
To turn on the keylock, hold down (key symbol) for about 3 seconds until the scanner beeps three
times and (key symbol) appears on the display. ”lb turn it off, hold down (key symbol) for about 3
seconds until the scanner beeps three times and (key symbol) disappears from the display.
23
PRO-75 OWNER‘S MANUAL
A GENERAL GUIDE TO SCANNING
Reception of the frequencies covered by your scanner is mainly “linenf-sight.” That means you
usually cannot hear stations that are beyond the horizon.
GUIDE TO FREQUENCIES
US Weather Frequencies
162.400 162.425 162.450 162.475
162.500 162.525 162.550
Other Weather Frequencies
161.650 161.775 162,440 163,275
Ham Radio Frequencies
Ham radio operators often transmit emergency information when other means of communication
break down The following chart shows the frequencies the scanner receives that Ham radio
operators normally use:
Wavelength (meters) Frequencies (MHz)
10-Meter 29000-29700
G-Meter 50000-54000
Z-Meter 144.000-148000
70~cm 420000450000
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 ofthese frequencies, you hear only noise on that frequency If the interference is not
severe, you might be able to turn SQUELCH clockwise to cutout the birdie.
24
PRO- 75 OWNER’S MANUAL
The birdie frequencies on this unit to watch for are:
Birdie Frequencies will add
1b 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 ifit 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 State Broadcast Bands
In the United State, there are several broadcast bands. The standard AM and FM bands are
probably the most well known. There are also four television audio broadcast bands — the lower
three transmit on the VHF band and the fourth transmits on the UHF band.
Typical Band Usage
VHF Band
Low Range 2900-5000 MHz
G—Meter Amateur 5000-5400 MHz
US. Government 13700-14400 MHz
2-Meter Amateur 14400-14800 MHz
High Range 14800-17400 MHz
UHF Band
Military Aircrafi 38000-38400 MHz
US. Government 40600—42000 MHz
70-cm Amateur 42000-45000 MHz
Low Range 45000-47000 MHz
FM-TV Audio Broadcast, Wide Band 47000-51200 MHz
Primary Usage
As a general rule, most of the radio activity is concentrated on the following frequencies;
25
PROV75 OWNER‘S MANUAL
VHF band
Activities Frequencies
Government, Police, and Fire 153.785-155.980 MHZ
Emergency Services 158.730-159AGO MHz
Railroad 1601000461900 MHZ
UHF Band
Activities Frequencies
Land»Mobile "Paired" Frequencies 450000470000 MHz
Base stations 451025454950 MHz
Mobile units 456025459950 MHz
Repeater Units 460025461975 MHz
Control Stations 465025469375 MHz
Note: Remote control stations and mobile units operate at 5 MHz higher than their associated
base stations and relay repeater units.
SPECIFIED INTERVALS
Frequencies in different bands are accessible only at specific intervals. For example:
Frequency Range(s) Specified Interval
29454 and 137—174 MHz 5.0 kHz steps
IDS-136.9875, 380-512 MHZ 12.5 kHz steps
Note: In band search, frequency interval 15 not same as above, See “Search bands,”
BAND ALLOCATION
To help decide which frequency ranges to scan, use the following listing of the typical services that
use the frequencies your scanner receives. These frequencies are subject to change, and might
vary from area to area. For a more complete listing, refer to the “Police Call Radio Guide including
Fire and Emergency Services," available at your local RadioShack store.
BAND ALLOCATION list will add
26
PROV75 OWNER’S MANUAL
FREQUENCY COVERSION
The tuning location of a station can he expressed in frequency (kHz or MHZ) or in wavelength
(meters), The followmg information can help you make the necessary conversions.
l. MHZ (million) 2 1,000 kHz (thousand)
To convert MHz to kHz, multiply the number of megahertz by 1,000:
32.62 (MHZ) x 1000 = 32,620 kHz
To convert from kHz to MHz, divide the number ofkilohertz by L000:
127,800 (kHz)/ 1000 : 127.8 MHz
To convert MHz to meters, divnie 300 by the number ofmegahertz:
300/50 MHz 2 6 meters
27
TROUBLESHOOTING
PRO-75 OWNER’S MANUAL
If your scanner is not working as it should, these suggestions might help you eliminate the
problem. If the scanner still does not operate properly, take it to your local RadioShack store for
assistance.
Problem
The scanner does not
work at all
Poor or no reception.
Keypad does not work
Error appears on the
display,
Keys do not work or
display changes.
Scanner is on but
will not scan.
In the scan mode, the
scanner locks on
frequencies that have
an unclear transmission.
Possible Causes
i The batteries are dead.
. The optionalAC or DC
adapter is not connected.
. Improperly connected
antenna.
, Programmed
frequencies are the
same as birdie
frequencies.
Keylock is turned on.
Programming error.
Undetermined error.
SQUELCH is not
correctly adjusted.
Birdies.
RESETTING/IN'ITIALIZING THE SCANNER
Remedies
. Replace the batteries with
fresh ones or recharge the battery
pack or rechargeable batteries
(if used).
. Be sure the adapter is fully
inserted into the PWR/DC9V jackl
. Be sure the antenna is properly
connected.
i Avoid programming
frequencies listed under “Birdie
Frequencies" or only select them
manually.
Turn off keylock.
Enter the frequency correctly,
including the decimal point.
Turn the scanner off then on again,
or reset the scanner (see
“Resetting/Initializing the
Scanner").
Adjust SQUELCH clockwise (see
”Dinning On the Scanner/Setting
Volume and SQUELCH").
Avoid programming frequencies
listed under “Birdie Frequencies”
or only listen to them manually.
If the scanner's display locks up or does not work properly after you connect a power source, you
might need to reset or initialize it.
28
PRO- 75 OWNER’S MANUAL
Important: If you have problems, first try to reset the scanner. If that does not work, you can
initialize the scanner; however, initializmg clears all information stored in the scanner‘s memory.
Resetting the Scanner
1‘ ’l\irn offthe scanner, then turn it on again.
2. Insert a pointed object, such as a straightened paper dip into the reset opening on the side of
the scanner. Then gently press and release the reset button inside the opening.
illustration will add.
Initializing the Scanner
Important: This procedure clears all information you stored in the scanner’s memory. Initialize
the scanner only when you are sure the scanner is not working properly.
1, Turn offthe scanner, then turn it on again,
2. While holding down MON/CL, insert a pointed object, such as a straightened paper clip, into
the reset opening on the side of the scanner. Then gently press and release the reset button
inside the opening.
Note: You must release the reset button before you release MON/CL. Otherwise, the memory
might not clear,
3. When the display reappears, release MON/CL.
29
PRO-75 OWNER’S MANUAL
CARE AND MAINTENANCE
Your RadioShack PRO-75 ZOO-Channel Portable scanner is an example of superior design and
craftsmanship, The following suggestions will help you care for your scanner so you can enjoy it
for years.
Keep the scanner dry. If it gets wet, wipe it dry immediately. Liquids can contain minerals that
can corrode the electronic circuits.
Handle the scanner gently and carefully, Dropping it can damage circuit boards and cases and can
cause the scanner to work improperly.
Use only fresh batteries ofthe recommended size and type. Always remove old and weak batteries.
They can leak chemicals that destroy electronic circuits.
Use and store the scanner only in normal temperature environments. Temperature extremes can
shorten the life ofelectronic devices, damage batteries, and distort or melt plastic parts,
Keep the scanner away from dust and dirt, which can cause premature wear ofparts,
Wipe the scanner with a damp cloth occasionally to keep it looking new. Do not use harsh
chemicals, cleaning solvents, or strong detergents to clean the scanner.
Modifying or tampering with the scanner’s internal components can cause a malfunction and
might invalidate its warranty and void your FCC authorization to operate it. If your scanner is
not operating as it should, take it to your local RadioShack store for assistance.
30
SPECIFICATIONS
Frequency Coverage
PRO-75 OWNER’S MANUAL
29-54 MHz (in 5 kHz steps) (FM)
ICE-1363875 MHZ (in 125 kHz steps) (AM)
137474 MHz (in 5 kHz steps) (FM)
3807512 MHz (in 125 kHz steps) (FM)
Operational Channels
Sensitivity
29-54 MHz
IDS-1369875 MHz
137-174 MHz
380-512 MHz
Spurious Rejection
(FM at 154 MHz)
Selectivity
+/-10 kHz
+/—18 kHz
IF Interference Ration
107 MHZ at 154 MHz
Scanning Rate
Search Rate
Delay Time
IF Frequencies
Squelch Sensitivity
Threshold
Tight (FM)
Tight (AM)
Antenna Impedance
Audio Power
Built-in Speaker
Power Req.
Current Drain (Squelched)
OP Temp.
Dimensions
Weight
Specifications are typical; Individual units might vary. Specifications are subject to change and
improvement Without notice.
200 channels plus 20 monitor memories
FM: (S+N)fN 20 dB, Dev.: SkHz at lkHz
AM: (S+N)/N 20 dB, Mod.: 60% at 1 kHz
0 5 uV
1 uV
05 uV
0.7 uV
50 dB
6 dB
750 dB
70 dB
25 channels/sec
50 steps/sec
2 sec
10.7 MHz, and 455 kHz
less than 110 uV
(S+N)/N 25 dB
(S+N)/N 20 dB
50 ohms
200 mWatts nominal (10%THD)
1 3/8" (36 mm), 8—ohm, dynamic type
+9V DC, 6 AA batteries
or a suitable adapter (negative ground only)
50 mA
+14F to +140 F(»10(‘, to +600)
61/4 x 21/2 x111/1S”(HWD)(160 x 62 x 43 mm)
approx. 8.1 oz (230 g) without antenna
31
Intertek Testin Services
Radio Shack, A Division or Tandy Corporation, Scanning Receiver Date of Test: July 20 81. 23, 1998
FCC ID: AA02000312
9.0 InstmflinnMannal
Attached is a preliminary copy of the Instruction Manual.
This manual will be provided to the end—user with each unit sold/leased in the United States.
LTO/I: ”8020207 19

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