Specified Intervals, Primary Usage | Radio Shack PRO-2045 manual

Primary Usage

As a general rule, most radio activity is concentrated on the following frequencies:

VHF Band

Activities	Frequencies (MHz)

Government, Police, and Fire	153.785–155.980
Emergency Services	158.730–159.460

Railroad	160.000–161.900

UHF Band

Activities	Frequencies (MHz)

Land-Mobile Paired Frequencies	450.000–470.000

Base Stations	451.025–454.950

Mobile Units	456.025–459.950

Relay Repeater Units	460.025–464.975

Remote Control Stations	465.025–469.975

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

Band Type	Specified Interval (kHz)

VHF, HAM, and Government	5.0

Aircraft	25.0

All Others	12.5

Note: Your scanner automatically rounds the entered frequency down to the closest valid frequency. For example, if you try to enter a frequency of 151.473, your scanner

accepts it as 151.470.

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Radio Shack PRO-2045 owner manual Specified Intervals, Primary Usage

Contents

PRO-2045 Features Page Scanning Legally FCC Notice Contents Troubleshooting Care and Maintenance Specifications Preparation Connecting PowerUsing Standard AC Power Using Vehicle Battery Power Optional Outdoor Antenna Connecting AN AntennaTelescoping Antenna Using the Feet Resetting Scanner Testing Alert Reception Testing Alert Operation Listening Safely Connecting AN EarphoneTesting the Weather Alert Traffic Safety Connecting AN Amplified Extension SpeakerInstalling AN Optional Ctcss Tone Board Ctcss Board Look AT the Keyboard Understanding Your ScannerPage Look AT the Display FREQ, CHAN, Lock shows the rotary tuner’s current setting Channel-Storage Banks Understanding CHANNEL-STORAGE BanksMonitor Memories Storing Frequencies Using the Rotary ControlOperation Limit Search Searching for and Temporarily Storing Active Frequencies Direct Search Search Skip Automatically Storing Frequencies Turning Channel-Storage Banks On and Off Listening to Monitor MemoriesMoving a Frequency from a Monitor Memory to Channel Scanning Channels Locking Out Channels Manually Selecting a Channel Weather Alert Using the Weather Alert Standby ModeScanning Weather Band Priority Special FeaturesDelay Changing Search Speeds Using Programmable Attenuator Turning on or OFF the KEY Tone Using Auto SortSkipping Data Signals Exchanging Frequencies Between Two Programmed Channels Transferring a Frequency to Another ChannelTransferring to an Empty Channel Transferring to a Channel that has a Stored Frequency Ctcss Tone Frequencies Using the Count FeatureUsing Ctcss Changing or Deleting a Ctcss Tone Frequency for a Channel Assigning a Ctcss Tone Frequency to a Channel Ham Radio Frequencies National Weather Service FrequenciesGeneral Guide to Scanning Guide to Frequencies Birdie Frequencies Typical Band Usage Guide to the Action Bands Primary Usage Specified Intervals Bifc Band Allocation High Frequency HF 29 MHz-30 MHz AIR CSB Frequency Conversion Troubleshooting Care and Maintenance Specifications Dimensions /4 × 91/4 × 81/16 Inches HWD 82 × 235 × 205mm RadioShack