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•  Connect the equipment into an outlet on a 

circuit different from that to which the receiver is 
connected.

This device complies with part 15 of the FCC Rules. 
Operation is subject to the following two conditions: 
(1) This device may not cause harmful interference, and 
(2) this device must accept any interference received, 
including interference that may cause undesired 
operation.

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 wireline (telephone and telegraph) 
service providers. It is legal to listen to almost every 
transmission your scanner can receive. However, there 
are some transmissions you should never intentionally 
listen to. These include:

•  Telephone conversations (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), as amended, 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 of a party to the 
communication (unless such activity is otherwise illegal).

This scanner is designed to prevent reception of illegal 
transmissions, in compliance with the law which requires 
that scanners be manufactured in such a way as to not 
be easily modifiable to pick up those transmissions. Do 
not open your scanner’s case to make any modifications 
that could allow it to pick up transmissions that are not 
legal to listen to. Doing so could subject you to legal 
penalties. 

In some areas, mobile use of this scanner is unlawful 
or requires a permit. Check the laws in your area. We 
encourage responsible, legal scanner use.

Care

Your scanner is not waterproof. Do not expose it to rain, 
moisture, or extremely high humidity. If the scanner gets 
wet, wipe it dry immediately. Use and store the scanner 
only in normal temperature environments. Handle the 
scanner carefully; do not drop it. Keep the scanner 
away from dust and dirt, and wipe it with a damp cloth 
occasionally to keep it looking new.

Service and Repair

If your scanner is not performing as it should, take it to 
your local 

RadioShack

 store for assistance. To locate 

your nearest 

RadioShack

, use the store locator feature 

on 

RadioShack’s

 website (www.radioshack.com), or call 

1-800-The Shack (800-843-7422) and follow the menu 
options. 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.

Specifications

Frequency Coverage (MHz)

10 Meter Amateur Radio ................29–30 (in 5 kHz steps)
VHF Lo .............................................30–50 (in 5 kHz steps)
6 Meter Amateur Radio ..................50–54 (in 5 kHz steps)
Aircraft ...........................108–136.9875 (in 12.5 kHz steps)
Government ...........................137–144 (in 12.5 kHz steps)
2 Meter Amateur Radio ..............144–148 (in 5 kHz steps)
VHF Hi ..................................148–150.8 (in 12.5 kHz steps)
VHF Hi ....................................... 150.8-162 (in 5 kHz steps)
VHF Hi ..................................... 162-174 (in 12.5 kHz steps)
Amateur Radio/Government 380–450 (in 12.5 kHz steps)
UHF Standard.........................450–470 (in 12.5 kHz steps)
UHF “T” ..................................470–512 (in 12.5 kHz steps)
Channels of Operation ................................. 200 channels

Sensitivity (S+N)/N 20 dB

29–54 MHz .................................................................0.5 uV
108–136.9875 MHz ....................................................1.0 uV
137–174 MHz .............................................................0.5 uV
380–512 MHz .............................................................0.7 uV
Spurious Rejection (FM @154 MHz) ........................ 50 dB

Summary of Contents for PRO-404

Page 1: ...anner from RadioShack Please read this user s guide before installing setting up and using your new scanner Handheld Radio Scanner www radioshack com Package Contents Scanner Antenna Belt Clip User s...

Page 2: ...2 Storing Found Frequencies into Channels 23 Scanning the Stored Channels 24 Turning Channel Storage Banks On and Off 24 Monitoring a Stored Channel 25 Clearing a Stored Channel 25 Listening to the Ma...

Page 3: ...ce When you find a frequency you can store it into a programmable memory location called a channel Features Your new PRO 404 Handheld Scanner lets you scan conventional transmissions and is preprogram...

Page 4: ...ated to marine fire police aircraft ham radio and weather services This is handy for quickly finding active frequencies instead of searching through an entire bank see Service Bank Search on page 22 P...

Page 5: ...55 730 156 210 60 158 730 159 210 60 166 250 170 150 3 453 0375 453 9625 12 5 458 0375 458 9625 12 5 460 0125 460 6375 12 5 465 0125 465 6375 12 5 Aircraft Service Bank Group Frequency Range MHz Step...

Page 6: ...that bank DELAY Input a decimal point when entering frequencies Program a two second delay for the selected channel ENT Enter Complete the entry of frequencies SCAN MAN Manual Enter Scan mode to scan...

Page 7: ...M Program mode PRI Priority feature is active DLY Two second delay is active Row 1 Row 2 Row 3 Row 4 Additional Display Messages ALL CH L out All channels locked out during scan or marine band search...

Page 8: ...e scanner 2 Place 4 AA batteries into the correct battery holder matching polarity symbols Black Alkaline non rechargeable Yellow Rechargeable Ni MH or Ni Cd 3 Place the battery holder into the batter...

Page 9: ...ng the environment and conserving natural resources Call 1 800 THE SHACK 1 800 843 7422 for more information Using External Power You can power your scanner using a power source that supplies 9V DC an...

Page 10: ...e HEADPHONE jack on the top of the scanner This automatically disconnects the internal speaker Listening Safely Do not wear headphones earphones or earbuds while operating a motor vehicle or riding a...

Page 11: ...f you made a mistake entering the frequency Error appears and the scanner beeps three times when you press ENT Start again from Step 2 Your scanner automatically rounds the entered frequency down to t...

Page 12: ...on all banks Police Fire Aircraft or Ham Service Banks When the scanner is in manual scan or tune mode press to search for activity on all banks When the scanner is in the Police Fire Aircraft or Ham...

Page 13: ...hen you turn on a bank during scanning the scanner moves to the selected bank and scans it If no transmission is found the scanner continues to scan through all selected banks Monitoring a Stored Chan...

Page 14: ...priority channel 1 Press 2 Select the weather channel you want to set as the priority channel 3 Press and hold ENT then PRI ALERT P ChAnnEL is displayed momentarily Then PCH flashes and 000 0000 or t...

Page 15: ...nal Weather Service forecast office Using the Skywarn feature in your scanner you can easily jump to your local Skywarn frequency and monitor these reports in many cases hearing about severe weather i...

Page 16: ...ou reach the highest locked out frequency the scanner beeps twice and rolls to the lowest locked out frequency If the Service Bank has no locked out frequencies EMPty appears Removing Lock outs from A...

Page 17: ...the programmed data to and from a PRO 404 scanner using an optional connecting cable with inch 3 5mm stereo phone plugs on both ends available from your local RadioShack store or www RadioShack com 1...

Page 18: ...be the same as birdie frequencies Avoid programming birdie frequencies or only listen to them manually Birdie Frequencies Every scanner has birdie frequencies Birdies are signals created inside the sc...

Page 19: ...to make any modifications that could allow it to pick up transmissions that are not legal to listen to Doing so could subject you to legal penalties In some areas mobile use of this scanner is unlawfu...

Page 20: ...the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store in the U S RadioShack will at its option unless otherwise provided by law a repair the product without c...

Page 21: ...rights reserved RadioShack and RadioShack com are trademarks used by RadioShack Corporation Protect the environment by recycling your used electronics Go to E CyclingCentral com to find an electronic...

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