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User’s Guide 

20-404/PRO-404

Thank you for purchasing your 
Handheld Radio Scanner 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 Guide

Quick Start Guide

Alkaline Battery Holder 

Rechargeable Battery 
Holder

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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