User's Manual

Essential Spectrum Sweeper parameters
Like every other object type, there are certain parameters in a SWPR record that are essential in order for
the SWPR object to function correctly. By default, a newly created SWPR object is ready to go without any
changes. In its default configuration, the SWPR object will sweep through all of the important land mobile
radio bands and look for strong signal activity from nearby transmitters. As you become more familiar with
SWPR operation, you may wish to include or exclude some bands in your sweeps to check other frequency
ranges or to limit the amount of time the scanner spends sweeping frequency ranges where local
transmitter activity is less likely. This will speed up operation, and when used while scanning, will allow the
radio to return to scanning for activity on CONV, TGRP and other enabled objects.
To create a new SWPR object, press PGM to place your scanner into Program Mode, then press the NEW
softkey, then press the SRCH softkey to view the available Search types, then press the SWPR softkey. By
default the SWPR parameters are set for a general purpose sweep of all important land mobile radio bands.
Optionally, you may wish to toggle the Type: field from All Bands to Public Safety by pressing > on the
5-way pushbutton pad. When Public Safety is selected, the frequency sweep will be limited to those
frequency ranges typically used for Public Safety communications. Note that other radio services also use
these ranges, so don't be surprised if you occasionally hear activity that is not Public Safety related. The
sub-bands are defined as follows:
0: 25-54 MHz VHF Low Band
1: 108-136.99166 MHz VHF Aircraft Band
2: 137-174 MHz VHF High Band
3: 216.0025-299.975 MHz 220 MHz Commercial/Amateur Band
4: 300-405.9875 MHz UHF Military Air Band
5: 406-470 MHz UHF Band
6: 470.0125-512 MHz UHF-T Band
7: 764-767 MHz 700 MHz Band
769-776 MHz
794-796.996875 MHz
8: 806-868.9875 MHz* 800 MHz Band
9: 896-960 MHz 900 MHz Band, 23 cm Amateur Band
1240-1300 MHz
* Exzcludes frequencies utilized by the Cellular Mobile Radiotelephone Service 824-848.9875 MHz and
869-893.9875 MHz.
In Public Safety, the sub bands are defined as follows:
0: 33.420-46.5 MHz VHF Low Band