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Radio Shack PRO-74 - User Manual

Radio Shack PRO-74
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Owner’s Manual
Cat. No. 20-513
PRO-74 100-Channel
VHF/UHF/Air/800 MHz
Race Scanner
Please read before using this equipment.
20-513.fm Page 1 Wednesday, August 4, 1999 2:39 PM

Table of Contents

Questions and Answers

  • J
    John PerezAug 15, 2025
    Why does BATT.Lo appear on my Radio Shack Transceiver?
    • M
      Meredith YoungAug 15, 2025
      If 'BATT.Lo' appears on your Radio Shack Transceiver, it means the batteries are weak. Recharge rechargeable batteries, or replace non-rechargeable batteries.
  • S
    Susan JacksonAug 18, 2025
    What to do if my Radio Shack Transceiver is totally inoperative?
    • C
      Cindy FarmerAug 18, 2025
      If your Radio Shack Transceiver is totally inoperative, first check the batteries or ensure the scanner is properly plugged into a working AC or DC outlet. Also, verify that the adapter’s barrel plug is fully inserted into the POWER jack. If using batteries, try recharging rechargeable batteries or replacing non-rechargeable ones.
  • W
    williamscodyAug 21, 2025
    What to do if my Radio Shack Transceiver is on but will not scan?
    • M
      Matthew Meyer MDAug 22, 2025
      If your Radio Shack Transceiver is on but not scanning, adjust the SQUELCH clockwise. Also, ensure you have stored frequencies into more than one channel.
  • T
    Teresa MerrittAug 25, 2025
    Why is the reception poor or non-existent on my Radio Shack Transceiver?
    • N
      Natasha OliverAug 25, 2025
      If you are experiencing poor or no reception on your Radio Shack Transceiver, check the batteries or make sure the scanner is plugged into a working AC or DC outlet. Weak or dead batteries can cause this issue.
  • P
    Patrick MoralesAug 28, 2025
    What to do if the keypad does not work on my Radio Shack Transceiver?
    • R
      Robert PerezAug 28, 2025
      If the keypad on your Radio Shack Transceiver is not working, the keylock function may be activated. To turn off the keylock, press KEYLOCK until K/L disappears from the display.
  • R
    Richard BrownAug 31, 2025
    What to do if error appears on Radio Shack Transceiver?
    • J
      Joseph HatfieldAug 31, 2025
      If 'Error' appears on your Radio Shack Transceiver, it means that the frequency was entered incorrectly. Re-enter the frequency correctly, including the decimal point.
  • M
    Michelle MitchellSep 4, 2025
    Why does my Radio Shack Transceiver display dim or sound a tone every 15–30 seconds?
    • J
      Jonathan WyattSep 4, 2025
      If your Radio Shack Transceiver's display dims or it sounds a tone every 15–30 seconds, it could be due to a couple of reasons. First, make sure the batteries are installed with the proper polarity (+ to + and – to –). Second, the batteries might be low; try recharging rechargeable batteries or replacing non-rechargeable batteries.
  • T
    Tara RiveraSep 7, 2025
    What to do if my Radio Shack Transceiver locks on frequencies with unclear transmission while scanning?
    • V
      Veronica MckenzieSep 7, 2025
      If, while scanning, your Radio Shack Transceiver locks on frequencies that have an unclear transmission, it might be because the stored frequencies are the same as 'birdie' frequencies. Avoid storing frequencies listed under “Birdie Frequencies”, or only listen to them manually.
  • K
    knightbrianSep 10, 2025
    How to fix Radio Shack Transceiver keys that don't work or display changes at random?
    • K
      Kenneth MorrisSep 12, 2025
      If the keys on your Radio Shack Transceiver do not work or the display changes at random, reset the scanner.

Summary

FEATURES

Quick-Track Memory

Stores a car's number and frequencies for quick recall.

Twelve Service Banks

Organizes preset frequencies into separate categories for easy searching.

Priority Channels

Allows setting specific channels to be checked more frequently.

PREPARATION

Power Sources

Details on using internal batteries, AC adapter, or DC adapter for power.

CONNECTING AN ANTENNA

UNDERSTANDING YOUR SCANNER

A Look at the Keypad

Explanation of the scanner's key layout and functions.

OPERATION

Turning On and Setting Squelch

Initial scanner activation and adjustment of reception sensitivity.

STORING KNOWN FREQUENCIES INTO CHANNELS

FINDING AND STORING ACTIVE FREQUENCIES

Searching the Service Banks

How to search for transmissions within predefined service bank frequency ranges.

SCANNING CHANNELS

SPECIAL FEATURES

Locking Out Channels

How to prevent the scanner from stopping on unwanted channels.

Priority Feature

Allows setting specific channels to be checked more frequently.

TROUBLESHOOTING

Troubleshooting Common Problems

Solutions for common scanner issues like no power or poor reception.

SPECIFICATIONS

Radio Shack PRO-74 Specifications

General IconGeneral
TypeHandheld Scanner
ModeAM/FM
Channels200
Frequency Range406-512 MHz
RF Power OutputNot applicable
Power SupplyAC Adapter
BatteryAA
AntennaTelescoping antenna

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