Setting the Base and Offset frequencies for Motorola VHF/UHF trunked systems
To properly track Motorola VHF and UHF trunked systems you must enter what is known as the “base” and the “offset” frequencies for each system. To find these out, check the www.trunktracker.com or www.bearcat1.com/free.htm and other web sites and frequency resources.
To enter the base and offset frequency:
1.Select the bank into which you want to program the trunking system.
2.Select the system type (Type II VHF or Type II UHF) by scrolling through the system selector.
3.Enter the frequencies for the system.
4.Press 
. (406.000 is the default bAS frequency for UHF)
5.Press 
. Or, enter a new base frequency and press 
.
6.Press 
. The screen will show the OFS (offset) frequency default of 50 kHz.
7.Press 
. Or, enter another offset including: 12.5, 25,
50or 100.
8.Press 
to begin trunking.
Note: If the system is not tracking properly, you may need to try a new base or offset frequency or you may be missing frequencies from the system.
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