General Research of Electronics Inc 0716 用户手册

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and SWPR objects. An example of when this might be handy 
would be when you want to scan for activity on a collection of 
TGRP and CONV objects, then do a quick sweep for 
transmissions from nearby transmitters. 
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 dont 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: 108-137 MHz 
VHF Aircraft Band
2: 137-174 MHz 
VHF High Band
3: 216-300 MHz 
220 MHz Commercial/Amateur Band
4: 300-406 MHz 
UHF Military Air Band
5: 406-470 MHz 
UHF Band
6: 470-512 MHz 
UHF-T Band
7: 764-806 MHz 
700 MHz Band
8: 806-869 MHz 
800 MHz Band
9: 896-1300 MHz 
900 MHz Band, 23 cm Amateur Band
In Public Safety, the sub bands are defined as follows:
0716 User Manual
Page 50